AAON ASM02655, Technical Manual

Page 1: ...Main DX Barrel Chiller Controller Technical Guide ...

Page 2: ...ark of AAON Inc Tulsa OK BACnet is a registered trademark of ASHRAE Inc Atlanta GA Java is a registered trademark of Oracle Inc AAON assumes no responsibility for errors or omissions in this document This document is subject to change without notice www aaon com MAIN DX BARREL CHILLER CONTROLLER PARTS REFERENCE PART DESCRIPTION PART NUMBER Main DX Barrel Chiller Controller ASM02655 Chiller Refrige...

Page 3: ...X Barrel Chiller Controller Off and Run Modes 25 Main DX Barrel Chiller Controller Mechanical Chiller Overview 26 Main DX Barrel Chiller Controller Safety Checks 27 Chiller Refrigeration Module Operation 28 Chiller Refrigeration Module Safety Checks 29 Vestibule Module Operation and Safeties 30 Chiller Pumping Module Waterside Economizer Operation 31 Chiller Pumping Module Plate Heat Exchanger Ope...

Page 4: ...creens 63 Module Screens 64 System Status Screens 65 Sensor Status Screens 67 Alarms Screens 68 Alarms History Screen 69 Setpoint Status Screens 70 Pump Runtime Screens 72 EVAPORATIVE CONDENSER LCD SCREENS 73 Main Screens Map and Module Screens 73 Status Menu Screens 74 Sensor Menu Screens 75 Alarms Screen 76 Setpoint Status Screens 77 VESTIBULE MODULE LCD SCREENS 78 Main Screens Map and Module Sc...

Page 5: ...oints Screens 102 Configuration Settings Screens 103 Changing Configuration and Setpoint Values 104 Alarms Screen 105 Troubleshooting 106 PRISM 2 107 Requirements 107 Controller Status Screen 108 Changing Saving and Restoring Setpoints and Charting 114 Schedules and Holidays 115 Schedule Override and Viewing Alarms 116 RSM and EVAP Module Alarms Screens 117 CPM and Vestibule Alarms and Reset Scree...

Page 6: ...ce 94 Figure 19 Start Screen 95 Figure 20 Help Screen 95 Figure 21 System Overview Screen View Only 95 Figure 22 Login Screen 95 Figure 23 System Overview Screen Full Access 96 Figure 24 New Passcode Screen 96 Figure 25 Manage Users Screen 96 Figure 26 System Settings Screen 98 Figure 27 Chiller Pump Status and Waterside Economizer Status Details screen 99 Figure 28 Evaporator Condenser Status and...

Page 7: ...r Settings 112 Figure 57 Prism 2 Setpoints Building Pump Settings 112 Figure 58 Prism 2 Setpoints Evap Condenser Module 113 Figure 59 Prism 2 Setpoints Help Window 114 Figure 60 Prism 2 Clear Settings Confirmation Window 114 Figure 61 Prism 2 Charting Selection 114 Figure 62 Prism 2 DX Barrel Chiller Chart 114 Figure 63 Prism 2 Charting Selection 115 Figure 64 Prism 2 Schedules Screen 115 Figure 6...

Page 8: ...e Alarms Bit String 35 Table 15 Evaporative Condenser Alarms Bit String 36 Table 16 CPM Relays Bit String 36 Table 17 APP HB LED Blink Codes 42 Table 18 Temperature and Resistance for Type III 10K ohm Thermistor Sensors 46 Table 19 0 250 PSI Suction Pressure Transducer Coil Pressure Temperature and Voltage Chart for R410 A Refrigerant 47 Table 20 Discharge Pressure and Voltage Chart for Discharge ...

Page 9: ...ontroller has an on board BACnet port for connection to a BACnet MS TPBAS network There are also two E BUS expansion ports which allow for the connection of the Chiller Refrigerant Module Chiller Pumping Module Evaporative Condenser Module and Vestibule Module via E BUS cables In addition the controller and its associated modules contain a 2 x 8 LCD character display with four buttons that allow f...

Page 10: ...hiller Controllers together or to connect to other communication devices all wiring must be plenum rated minimum 18 gauge two conductor twisted pair with shield AAON can supply communication wire that meets this specification and is color coded for the network or local loop Please consult your AAON distributor for information If desired Belden 82760 or equivalent wire may also be used 8 Before app...

Page 11: ...RH Sensor CHILLER REFRIGERANT MODULE Analog Inputs 1 Suction Line Pressure 0 5VDC AI1 2 Discharge Line Pressure 0 5VDC AI2 3 Suction Line Temperature Sensor AI3 4 Discharge Line Temperature Sensor AI4 5 Liquid Line Pressure 0 5VDC AI5 6 Liquid Line Temperature Sensor AI6 7 Compressor 1 Amps AI7 8 Compressor 2 Amps AI8 Binary Inputs 1 Compressor 1 Status BI1 2 Compressor 2 Status BI2 3 Compressor 1...

Page 12: ...tor AO3 4 Chiller Pump VFD AO4 5 Bypass Valve AO5 Relay Outputs 24 VAC 1 Waterside Economizer Fan Enable RLY1 2 Waterside Economizer Glycol Circuit Pump RLY2 3 Chiller Pump Primary A Pump 1 RLY3 4 Chiller Pump Primary A Pump 2 RLY4 5 Chiller Pump Secondary Pump 1 RLY5 6 Chiller Pump Secondary Pump 2 RLY6 7 Chiller Pump Primary B Pump 1 RLY7 8 Chiller Pump Primary B Pump 2 RLY8 Communication Termin...

Page 13: ...y Inputs 1 Pump 1 Pressure Switch BI1 2 Pump 2 Pressure Switch BI2 3 Condenser Pump 1 VFD Fault BI3 4 Condenser Pump 2 VFD Fault BI4 Analog Outputs 1 Pump 1 VFD Speed AO1 2 Pump 2 VFD Speed AO2 Relay Outputs 24 VAC 1 Condenser Pump 1 Run RLY1 2 Condenser Pump 2 Run RLY2 3 Sump Heater Enable RLY3 4 Drain Valve Disable Make Up Water RLY4 Communication Terminals DUAL E BUS 2 E BUS Ports Table 7 Evapo...

Page 14: ...0270 24 VAC GND AAON P N ASM02655 MAIN DX BARREL CONTROLLER VDC OUTPUTS GND 5VDC 24VDC ANALOG INPUT JUMPERS www aaon com ANALOG INPUTS A 8 I NOT USED AI3 BARREL 1 OUT TEMP A 1 I CHILLER WATER IN TEMP AI4 BARREL 2 OUT TEMP AI5 CHILLER OUT RESET AI6 FLOW METER A 7 I AMBIENT TEMP AI2 CHILLER WATER OUT TEMP DUAL E BUS B 5 I PHASE BROWNOUT BI4 SAFETY SHUTDOWN SWITCH 2 BI3 WATER FLOW SWITCH 1 B 1 I REMO...

Page 15: ...ER ONLY WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED LABEL P N G070270 24 VAC GND AAON P N ASM02655 MAIN DX BARREL CONTROLLER VDC OUTPUTS GND 5VDC 24VDC ANALOG INPUT JUMPERS www aaon com ANALOG INPUTS A 8 I NOT USED AI3 BARREL 1 OUT TEMP A 1 I CHILLER WATER IN TEMP AI4 BARREL 2 OUT TEMP AI5 CHILLER OUT RESET AI6 FLOW METER A 7 I AMBIENT TEMP AI2 CHILLER WATER OUT TEMP DUAL E...

Page 16: ... V Suction Line Pressure Transducer Compressor 2 Status Compressor 1 VFD Fault Condenser Fan Fault BK RD WH Suction Line Temperature SIG GND V Liquid Line Pressure Transducer BK RD WH Liquid Line Temperature Compressor 1 Status Size transformer for correct total load Chiller Refrigerant Module 15 VA 18 30 VAC GND BLK WHT Compressor 1 Amps GND BLK WHT Compressor 2 Amps GND ALARM UP DOWN ENTER MENU ...

Page 17: ...NE PRESSURE AIN3 SUCTION LINE TEMP AIN4 DISCHARGE LINE TEMP AIN2 DISCHARGE LINE PRESSURE AIN1 SUCTION LINE PRESSURE AIN8 COMPRESSOR 2 AMPS AIN6 LIQUID LINE TEMP AIN7 COMPRESSOR 1 AMPS BIN1 COMP 1 STAT BIN2 COMP 2 STAT BIN3 COMP 1 VFD FAULT BIN5 COND FAN FAULT BIN4 CIRCUIT DISABLE BINARY INPUTS RELAY OUTPUTS RLY1 COMP 1 RLY2 COMP 2 RLY3 COND FAN A 1 O COMP 1 VFD ANALOG OUTPUTS A 2 O COND FAN VFD A ...

Page 18: ...B 5 CP VFD 2 I FAULT B 6 G OL FEED I LYC ER LOW BINARY INPUTS R1 WSE FAN R4 PRIM A PUMP 2 R2 GLYCOL PUMP R3 PRIM A PUMP 1 R8 PRIM B PUMP 2 R6 SEC PUMP 2 R5 SEC PUMP 1 R7 PRIM B PUMP 1 RELAY OUTPUTS A BYPASS VALVE O5 A 1 O WSE VFD SPEED A 4 O CHILLER PUMP VFD A 2 O PRIMARY ACTUATOR ANALOG OUTPUTS A 3 O SECONDARY ACTUATOR CP Building Pump Discharge Pressure Sensor SIG GND V BK RD WH SIG GND V CP Bui...

Page 19: ... THER M VOLTAGE INPUT JUMPERS ANALOG www aaon com A 4 HE GLYCOL SIDE OUTLET TEMP I AI5 CP BUILD PUMP SUCTION PRESSURE A 6 CP BUILD PUMP DISCHRG PRESSURE I A 3 I HE GLYCOL SIDE INLET TEMP ANALOG INPUTS A 1 MIXING VLV WATER OUTLET TEMP I AI2 HE WATER SIDE OUTLET TEMP DUAL E BUS BI2 NOT USED B 3 NOT USED I B 4 CP 1 I VFD FAULT B 1 WSE VFD FAULT I B 5 CP VFD 2 I FAULT B 6 G OL FEED I LYC ER LOW BINARY...

Page 20: ...SWITCH PRESSURE SWITCH VFD FAULT BIN3 COND PUMP 1 VFD FAULT BIN4 COND PUMP 2 TEMP3 SUMP TEMP 3 TEMP1 SUMP TEMP 1 TEMP2 SUMP TEMP 2 TEMP4 LOW SUMP DRY CONTACT AAON P N ASM02318 SP COND PUMP 1 AMPS HP COND PUMP 2 AMPS A 1 O PUMP 1 VFD SPEED AO2 PUMP 2 VFD SPEED BLK WHT BLK WHT BLK WHT BLK WHT Pump 2 VFD Signal Line Voltage The Evaporative Condenser Module controls the Evaporative Condenser of the Ch...

Page 21: ...2 CONDENSER PUMP 2 RUN RLY1 CONDENSER PUMP 1 RUN RLY4 DRAIN VALVE DISABLE MAKE UP WATER RLY3 SUMP HEATER ENABLE BIN2 PUMP 2 BIN1 PUMP 1 PRESSURE SWITCH PRESSURE SWITCH VFD FAULT BIN3 COND PUMP 1 VFD FAULT BIN4 COND PUMP 2 TEMP3 SUMP TEMP 3 TEMP1 SUMP TEMP 1 TEMP2 SUMP TEMP 2 TEMP4 LOW SUMP DRY CONTACT AAON P N ASM02318 SP COND PUMP 1 AMPS HP COND PUMP 2 AMPS A 1 O PUMP 1 VFD SPEED AO2 PUMP 2 VFD S...

Page 22: ...s that allow for status and alarm display See Figure 9 this page for input wiring and Figure 10 page 23 for output wiring 18 30 VAC GND Size transformer for correct total load Vestibule Module 18 VA Chiller Run Stat 1 Leak Detector Coil Pump WFS Vestibule Temp Sensor Outdoor Air Temp Sensor ALARM UP DOWN ENTER MENU AAON P N ASM02650 24 VAC GND RELAY CONTACT RATING IS 1 AMP MAX 24 VAC HEAT VENT FAN...

Page 23: ...AN ANALOG OUT NOT USED COMMON RELAY OUTPUT TERMINALS LABEL P N G068190 NOT USED NOT USED GND WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED 24 VAC POWER ONLY ALARM NOT USED 5 V 5 V VESTIBULE TEMP CHILL RUN STAT SP 1 HP 1 OA TEMP LEAK DETECTOR GND GND COIL PUMP WFS NOT USED GND NOT USED GND NOT USED NOT USED 5 V 5 V SP 2 HP 2 GND GND R SHD T E BUS R SHD T DUAL E BUS EXPANSION V...

Page 24: ...e according to the condition of the other three factors Since the schedule defaults to always active and the overrides default to always inactive activating this input will by default activate the chiller Internal Schedule The chiller controls have an internal schedule which may be used to automate chiller operations on a timed basis This schedule defaults to always on and in combination with the ...

Page 25: ...denser and if the ambient temperature is at or above the Ambient First Stage Enable Setpoint the evaporative condenser will be used as the first stage of heat rejection followed by the condenser fan If the ambient temperature is below the Ambient First Stage Enable Setpoint the condenser fan will be used as the first stage of heat rejection followed by the evaporative condenser Waterside Economize...

Page 26: ...ngle Barrel with Single Primary Water Circuit The compressor and circuit operation will stage to modulate the barrel out temperature to the Barrel Out Temperature Setpoint The Chiller Pumping Module will deactivate pumping operations when the last compressor is deactivated Dual Barrels with Single Primary Water Circuit The compressor and circuit operation will stage each barrel independently as it...

Page 27: ...r of these shutdowns will not affect the state of the evaporative condenser drain valve The drain valve can be commanded open closed via BACnet during this shutdown condition Refrigerant Leak Detection If a vestibule controller is present and gives indication of a leak detection a refrigerant leak detection alarm will generate All running compressors on all refrigeration modules for the barrel ass...

Page 28: ...ctive circuit the condenser fan will activate and start at minimum speed The fan will modulate to maintain the Head Pressure Setpoint If there is an evaporative condenser the controller will determine whether the evaporative condenser or the condenser fan will act as first stage of heat rejection based on the ambient temperature relative to the Ambient First Stage Enable Setpoint If one type of co...

Page 29: ...ations There are three types of alarms Warnings Faults Lockouts Warnings Warnings are alarms that may alter operating limits in circuit operation in an attempt to overcome the warning condition without stopping any current operations Warnings may progress into faults but otherwise will recover without intervention Faults Faults are alarms that result in forcibly shutting down compressors in an att...

Page 30: ... Cooling Enable Setpoint deadband and the ambient temperature if available is below the vestibule temperature by 0 5 F the vent fan output will be activated If cooling operation is active or when the vestibule temperature drops below the Cooling Enable Setpoint deadband or the ambient temperature if available rises above the vestibule temperature by 0 5 F the vent fan output will be deactivated Ch...

Page 31: ...onfiguration the primary mixing valve will modulate to regulate the output water temperature from the plate exchanger Fan Stage As the second stage of chilling the fan will be activated and modulate to regulate the output water temperature There is a hysteresis in the fan start stop operation to avoid fan cycling Economizing Mode Economizing Mode operation varies based on whether or not mechanical...

Page 32: ...e pumping operations will continue until both glycol side sensors are at or above 36 F and the water outlet sensor is at or above 40 F While the chiller is in Chilling Mode if the Glycol Side Inlet Temperature drops below 35 F the secondary mixing valve will modulate more closed as necessary to keep the inlet temperature at or above 35 F This modulation should not open the valve more than is deman...

Page 33: ...mp spins down These profiles must be relatively short so emergency pump shutdown operations can work properly Demand based Lead Lag balancing automatically includes pump startup balancing the pump with the lowest run time will activate on a startup Lead Lag Operation and Backup Pump If Lead Lag Operation is configured a Lead Lag calculation is performed every seven days at which point the module w...

Page 34: ... Barrel Circuit Discharge Line Temp B C DLT ºF Barrel Circuit Saturated Liquid Temp B C SLT ºF Barrel Circuit Liquid Line Temp B C LLT ºF Barrel Circuit Subcool B C SC ºF Barrel Circuit Fault B C Flt Barrel Circuit Warning B C Wrn Barrel Circuit Lockout B C Lkt Sump Temp SmpTmp ºF Sump Heater SmpHtr Low Sump Level LoSpLvl Condenser Pump CndPmp Condenser Pump Current Pmp Amp amps Condenser Pump VFD...

Page 35: ...Module B1 C3 6 64 CPM Module 7 128 Evap Module 8 256 Vestibule Module 1 9 512 Vestibule Module 2 Table 13 Alarm Group 5 Bit String ALARM GROUP 5 Bit Value Description 0 1 Module Alarms 1 2 RSM Module B1 C1 2 4 RSM Module B2 C1 3 8 RSM Module B1 C2 4 16 RSM Module B2 C2 5 32 RSM Module B1 C3 6 64 CPM Module 7 128 Evap Module 8 256 Vestibule Module 1 9 512 Vestibule Module 2 Table 14 CPM Module Alar...

Page 36: ...urrently active what relays are currently active or what alarms are currently active A single bit string value can be decoded to determine which multiple conditions might be simultaneously true This section is not intended to be a full explanation of how bit strings work but to explain how to decode the trend log items that are indicated as being bit string values Determine Active Binary Inputs Wh...

Page 37: ...er Temperature is not available the Waterside Economizer will be forced to the Off Mode condition An additional alarm will indicate the Waterside Economizer is not operating If the chiller has a plate heat exchanger in a primary loop isolation configuration the outlet temperature will continue to be used Suction Pressure Sensor Failure If the Suction Pressure Sensor fails an alarm will indicate th...

Page 38: ...display STATUS 1 This red LED is a diagnostic blink code LED Under normal operation it should not be blinking If the LED is blinking non stop along with Status 2 LED the controller is resetting factory defaults or there is an output Force Mode active STATUS 2 This red LED is a diagnostic blink code LED If the software is running this LED should blink at a rate of one blink every 10 seconds If the ...

Page 39: ...T USED AI3 BARREL 1 OUT TEMP A 1 I CHILLER WATER IN TEMP AI4 BARREL 2 OUT TEMP AI5 CHILLER OUT RESET AI6 FLOW METER A 7 I AMBIENT TEMP AI2 CHILLER WATER OUT TEMP DUAL E BUS B 5 I PHASE BROWNOUT BI4 SAFETY SHUTDOWN SWITCH 2 BI3 WATER FLOW SWITCH 1 B 1 I REMOTE RUN STOP BINARY INPUTS B 2 I WATER FLOW RLY1 ALARM INDICATOR RLY2 CHILLER FULLY LOADED RLY3 CHILLER RUNNING RELAY OUTPUTS THERM 4 20m A 0 10...

Page 40: ...0 seconds the module is in the Cool Mode STATUS 2 This red LED is not used Communication LED EBUS This yellow LED will blink to signal E BUS communications COMM1 This yellow LED is not used COMM2 This yellow LED is not used Relay LEDs RLY1 RLY3 These green LEDs will light up when the relays are enabled and will stay lit as long as they are active Refrigerant Module Binary Input LEDs BI1 This green...

Page 41: ...IN3 SUCTION LINE TEMP AIN4 DISCHARGE LINE TEMP AIN2 DISCHARGE LINE PRESSURE AIN1 SUCTION LINE PRESSURE AIN8 COMPRESSOR 2 AMPS AIN6 LIQUID LINE TEMP AIN7 COMPRESSOR 1 AMPS BIN1 COMP 1 STAT BIN2 COMP 2 STAT BIN3 COMP 1 VFD FAULT BIN5 COND FAN FAULT BIN4 CIRCUIT DISABLE BINARY INPUTS RELAY OUTPUTS RLY1 COMP 1 RLY2 COMP 2 RLY3 COND FAN A 1 O COMP 1 VFD ANALOG OUTPUTS A 2 O COND FAN VFD A 3 O EXV DUAL ...

Page 42: ...D is not used STATUS 2 This red LED is not used Communication LED EBUS This yellow LED will blink to signal E BUS communications COMM1 This yellow LED will turn on when the economizer is unable to operate due to a sensor fault COMM2 This yellow LED will turn on to signal economizer maxed out Relay LEDs RLY1 RLY8 These green LEDs will light up when the relay is enabled and will stay lit as long as ...

Page 43: ... OUTLET TEMP I AI5 CP BUILD PUMP SUCTION PRESSURE A 6 CP BUILD PUMP DISCHRG PRESSURE I A 3 I HE GLYCOL SIDE INLET TEMP ANALOG INPUTS A 1 MIXING VLV WATER OUTLET TEMP I AI2 HE WATER SIDE OUTLET TEMP DUAL E BUS BI2 NOT USED B 3 NOT USED I B 4 CP 1 I VFD FAULT B 1 WSE VFD FAULT I B 5 CP VFD 2 I FAULT B 6 G OL FEED I LYC ER LOW BINARY INPUTS R1 WSE FAN R4 PRIM A PUMP 2 R2 GLYCOL PUMP R3 PRIM A PUMP 1 ...

Page 44: ...p to indicate that 24 VAC power has been applied to the module Binary Input LEDs BI1 This green LED will light up when the Condenser Pump 1 Pressure switch contact is closed BI2 This green LED will light up when the Condenser Pump 2 Pressure switch contact is closed BI3 This green LED will light up when the Condenser Pump 1 VFD Fault contact is closed BI4 This green LED will light up when the Cond...

Page 45: ...light up to indicate that 24 VAC power has been applied to the controller Binary Input LEDs BI1 This green LED will light up when Chiller Run Status contact is closed BI2 This green LED will light up when Leak Detector contact is closed BI3 This green LED will light up when the Coil Pump Water Flow Switch is closed Relay LEDs RLY1 RLY4 These green LEDs will light up when the relays are enabled and...

Page 46: ... Resistance Voltage for Type III 10 K ohm Thermistor Sensors Temp ºF Temp ºC Resistance Ohms Voltage Input VDC Temp ºF Temp ºC Resistance Ohms Voltage Input VDC 10 23 3 93333 4 51 72 22 2 11136 2 635 5 20 6 80531 4 45 73 22 8 10878 2 605 0 17 8 69822 4 37 74 23 3 10625 2 576 5 15 60552 4 29 75 23 9 10398 2 549 10 12 2 52500 4 2 76 24 4 10158 2 52 15 9 4 45902 4 1 77 25 10000 2 5 20 6 6 40147 4 002...

Page 47: ...ltage at the 5V and GND terminals and compare it to the appropriate chart depending on the refrigerant in use If the temperature voltage or pressure voltage readings do not align closely with the chart the Suction Pressure Transducer is probably defective and will need to be replaced 0 250 PSI Suction Pressure Transducer Coil Pressure Temperature and Voltage Chart for R410 A Refrigerant Temepratur...

Page 48: ...charge Pressure Sensor while connected to the refrigeration module s The module must be powered for this test Read voltage with a meter set on DC volts Place the positive lead from the meter on the 5V input terminal located on the module Place the negative lead from the meter on the ground terminal located adjacent to the 5V terminal on the module Use a refrigerant gauge set to measure the suction...

Page 49: ...r DOWN key to enter Edit Mode on a user adjustable screen Edit Mode is indicated by the underscore appearing on the screen NOTE Entering Edit Mode will also adjust the value up one UP key or down one DOWN key ENTER Use the ENTER key to move through the digits in the screen when editing a numeric value An extended press of the ENTER key saves edits no matter the location of the editing cursor withi...

Page 50: ...ENU button DX CHILL 1140VXXX Press to go to the Settings screen Settings Press to scroll through Settings screens Press to go to the GLYCOL screen GLYCOL Press to scroll through GLYCOL screens Press to go to the Status screen Status Press to scroll through the Status screens Press to go to the Alarms screen Alarms Press to scroll through the Alarms If there are no alarms the screen will say No Ala...

Page 51: ...ettings Unit ID Addr 1 59 UNIT ADDRESS Unit address Valid range is 1 59 Default is 1 485 Baud HI SPEED 485 BAUD RATE HI SPEED or LO SPEED Default is HI SPEED MAC Addr 0 TO 127 BACnet CURRENT MAC ADDRESS Valid range is 0 127 Default is 0 The ENTER key moves the cursor between the digital fields Once the cursor is under a field use the UP and DOWN arrow keys to select a number between 0 and 9 Settin...

Page 52: ...ause mechanical damage to the Chiller GLYCOL GLYCOL AT 0 GLYCOL AT Use this screen to see the current glycol level Any changes made to this screen are not saved until validated by a HashCode From AAON Controls Engineering Key Code XXXXXX KEY CODE Submit this code to AAON Controls Engineering This code will not change until a HashCode has been entered HashCode 0 HASHCODE Input the code you receive ...

Page 53: ... for normal scheduled modes of operation and will also display for the Holiday scheduled mode of operation Other options are START UP SHUTDOWN and LOCKOUT Entering 65 0 ENTERING WATER TEMPERATURE 1 Leaving 45 0 LEAVING WATER TEMPERATURE LeaveSP 45 0 LEAVING WATER TEMPERATURE SETPOINT OA Temp 78 5 OUTDOOR AIR TEMPERATURE Barrel 1 78 5 BARREL 1 TEMPERATURE Barrel 2 78 5 BARREL 2 TEMPERATURE BarrelSP...

Page 54: ... REFRIG 2 MISSING Refrig Module 2 is not communicating REFRIG 3 MISSING Refrig Module 3 is not communicating REFRIG 4 MISSING Refrig Module 4 is not communicating REFRIG 5 MISSING Refrig Module 5 is not communicating REFRIG 6 MISSING Refrig Module 6 is not communicating EVAP Mod MISSING The Evaporative Condenser Module is not communicating CPM Mod MISSING The Chiller Pumping Module is not communic...

Page 55: ...SOR MENU Press to scroll through the SENSOR MENU screens Press to go to the SETPOINT STATUS screen SETPOINT STATUS Press to scroll through the SETPOINT STATUS screens Press to go to the ALARMS WARNINGS screen ALARM WARNINGS Press to scroll through the ALARM WARNINGS screens Press to go to the ALARM FAULTS screen ALARM FAULTS Press to scroll through ALARM FAULTS screens Press to go to the ALARM LOC...

Page 56: ...N DIAGNOSTICS This screen shows the number of COMM packets received SOFTWARE 1149vXXX SOFTWARE VERSION ADDRESS CURRENT BOARD ADDRESS Configure the address according to which board address this module represents 1 2 3 4 5 6 Number in parentheses is E BUS address Module 1 is 160 Module 2 is 161 Module 3 is 162 Module 4 is 163 Module 5 is 164 Module 6 is 165 BARREL NUMBER OF BARRELS 1 2 CIRCUIT NUMBE...

Page 57: ...OOLING OPERATING MODE STATUS COOLING or OFF COMP 1 100 COMPRESSOR 1 STATUS COMP 2 ON OFF v COMPRESSOR 2 STATUS ON OFF COND 100 CONDENSER STATUS 100 EXV 100 EXPANSION VALVE STATUS C1MINRUN XXX COMPRESSOR 1 MINIMUM RUN TIME in seconds C1MINOFF XXX v COMPRESSOR 1 MINIMUM OFF TIME in seconds C2MINRUN XXX COMPRESSOR 2 MINIMUM RUN TIME in seconds C2MINOFF XXX COMPRESSOR 2 MINIMUM OFF TIME in seconds RSM...

Page 58: ...D LINE PRESSURE READING FROM INPUT SATURATN XX X F SATURATION TEMPERATURE CALCULATION DISCCALC XX X F DISCHARGE TEMPERATURE SENSOR CALCULATION LIQDCALC XX X F LIQUID LINE TEMPERATURE SENSOR CALCULATION EVAPTEMP XX X F EVAPORATION TEMPERATURE READING FROM INPUT DISCTEMP XXX X F DISCHARGE TEMPERATURE READING FROM INPUT LIQDTEMP XXX X F LIQUID LINE TEMPERATURE READING FROM INPUT LVGH2O XXX X F LEAVIN...

Page 59: ...ap when navigating through the Screens From the SETPOINT STATUS Screen press ENTER to scroll through the screens SETPOINT STATUS LVGH2OSP XX X F LEAVING WATER TEMPERATURE SETPOINT SHEAT SP XX X F SUPERHEAT SETPOINT DISCH SP XX X PSIG v DISCHARGE PRESSURE SETPOINT RSM LCD SCREENS Setpoint Status Screens ...

Page 60: ...Level 2 Table 24 RSM Alarms Fault Description LOW SUCT PRESSURE Low Suction Pressure UNSAFE SUCT PSI Unsafe Suction Pressure HIGH PSI TRIP High Discharge Pressure Trip C1 NO START Compressor 1 not running C2 NO START Compressor 2 not running EVAPTEMP NODETECT Cannot detect Suction Line Temperature Sensor LOW SUPRHEAT Low Superheat HIGH DISCTEMP High Discharge Temperature HIGH DISCTEMP High Dischar...

Page 61: ... Lockout HIDISPSI LOCKOUT High Discharge Pressure System Lockout LO SUPHT LOCKOUT Low Superheat System Lockout HI SUPHT LOCKOUT High Superheat System Lockout HIGH SAT LOCKOUT High Saturation Temperature System Lockout C1 AMPS LOCKOUT Compressor 1 Under Current Lockout C2 AMPS LOCKOUT Compressor 2 Under Current Lockout Table 26 RSM Lockouts RSM LCD SCREENS Alarm Screens LOCKOUT LOCKOUT This will be...

Page 62: ...ns Press to go to the SENSOR STATUS screen SENSOR STATUS Press to scroll through the SENSOR STATUS screens Press to go to the ALARMS screen ALARMS Press to scroll through the ALARMS screens Press to go to the ALARMS HISTORY screen ALARMS HISTORY Press to scroll through the ALARMS HISTORY screens Press to go to the ALARM SETPOINT STATUS screen SETPOINT STATUS Press to scroll through the SETPOINT ST...

Page 63: ...It will display WSE if the economizer is isolated It will display PRIM SEC if the primary and secondary pumping circuits are isolated TEMP CFG F FAHRENHEIT or CELSIUS This screen will be present if the Waterside Economizer is enabled CP Enabled CHILLER PUMP OPERATION STATUS Enabled or Disabled CP CFG CHILLER PUMP CONFIGURATION This screen will be present only if the Chiller Pump is enabled PRIM FI...

Page 64: ... present only if the Chiller Pump is enabled and the configuration is not a primary fixed speed pump It indicates the maximum building pressure allowed out of the building pump before failing DIF BLDG XXX PSI TARGET DIFFERENTIAL PRESSURE This screen will be present only if the Chiller Pump is enabled and the configuration is not a primary fixed speed pump It indicates the target differential press...

Page 65: ...n will only be present if Waterside Economizer is enabled CP MODE CURRENT CHILLER RUN COMMAND This screen will be present only if the Chiller Pump is enabled OFF No Pump command is currently active PRIM A Primary A is commanded to run PRIM B Primary B is commanded to run PRIM A B Both A B are commanded to run A B SEC Primary A Primary B Secondary Pumps PRMA PMP ON PRIMARY A PUMP CURRENT RUN STATUS...

Page 66: ... Will display OFF or PUMPING BYPASS XXX BYPASS VALVE POSITION This screen will be present only if the Bypass Valve is enabled and configured Will display OFF or PUMPING BLDG DIF XXX PSI CALCULATED DIFFERENTIAL BUILDING PRESSURE This screen is only present if Chiller Pump is enabled and not config ured for Primary Only with Fixed Speed Pump Will display OFF or PUMPING CHILLER PUMPING MODULE LCD SCR...

Page 67: ...nfigured for isolated operation It shows the Heat Exchanger Glycol Side Inlet Temperature F C PRIMAFLW FLOWING PRIMARY A FLOW SWITCH INPUT STATUS This screen is only present if the Chiller Pump is enabled Will display FLOWING or NO FLOW PRIMBFLW FLOWING PRIMARY B FLOW SWITCH INPUT STATUS This screen is only present if the Chiller Pump is enabled Will display FLOWING or NO FLOW BLDG SUC XXX PSI v B...

Page 68: ...detected PMP2 VFD FAULT Second VFD pump fault detected PAP1 LOCKOUT Primary A Pump 1 locked out PAP2 LOCKOUT Primary A Pump 2 locked out SEC1 LOCKOUT Secondary Pump 1 locked out SEC2 LOCKOUT Secondary Pump 2 locked out PBP1 LOCKOUT Primary B Pump 1 locked out PBP2 LOCKOUT Primary B Pump 2 locked out CP SYSTM LOCKOUT Chiller pumping system is locked out COMM FAULT Communications have failed SUC SNS...

Page 69: ...Pump is enabled Time since last occurrence of a VFD Pump 1 fault PMP2 VFD MIN HR DAY This screen is only present if the Chiller Pump is enabled and not configured for Primary Only with Fixed Speed Pump Time since last occurrence of a VFD Pump 2 fault PAP1 LCK MIN HR DAY This screen is only present if the Chiller Pump is enabled Time since last occurrence of a Primary A Pump 1 Lockout PAP2 LCK MIN ...

Page 70: ...0 0 F FAN DLY SEC FAN STAGE UP DELAY SETPOINT This screen is only present if the Waterside Economizer is enabled Range is 0 to 30 seconds VFD MIN FAN VFD MINIMUM OPERATING SPEED IN PERCENT This screen is only present if the Waterside Economizer is enabled Range is 10 to 50 SLW OPEN RATE M PRIMARY MIXING VALVE SLOW OPENING RATE USED IN BRINGING WATERSIDE ECONOMIZER ON LINE WITH COM PRESSORS RUNNING...

Page 71: ...xed Speed Pumps It sets the maximum allowed building pressure from 0 to 200 psi STRT POF XXX SEC PROOF OF FLOW START This screen is only present if the Chiller Pump is enabled and is configured for Primary Only with Fixed Speed Pumps It sets how many seconds the pump will run before it is considered a failed start Range is 0 to 300 seconds CHILLER PUMPING MODULE LCD SCREENS Setpoint Status Screens...

Page 72: ...l accumulative runtime in hours PAP2 XXXXXXHR PRIMARY A PUMP 2 RUN TIME Total accumulative runtime in hours SEC1 XXXXXXHR SECONDARY PUMP 1 RUN TIME Total accumulative runtime in hours SEC2 XXXXXXHR SECONDARY PUMP 2 RUN TIME Total accumulative runtime in hours PBP1 XXXXXXHR PRIMARY B PUMP 1 RUN TIME Total accumulative runtime in hours PBP2 XXXXXXHR PRIMARY B PUMP 2 RUN TIME Total accumulative runti...

Page 73: ...r of COMM packets received SOFTWARE 1120vXXX CURRENT SOFTWARE VERSION ADDRESS 1 159 CURRENT BOARD ADDRESS EVAPCOND 1120vXXX Press to scroll through the EVAPCOND screens Press to go to the STATUS MENU screen STATUS MENU Press to scroll through the STATUS MENU screens Press to go to the SENSOR MENU screen SENSOR MENU Press to scroll through the SENSOR MENU screens Press to go to the ALARMS screen AL...

Page 74: ... through the Status Screens From the SYSTEM MENU Screen press ENTER to scroll through the screens STATUS MENU PUMP 1 ON PUMP 1 OPERATING STATUS ON OFF PUMP 2 ON PUMP 2 OPERATING STATUS ON OFF SUMPHEAT ON SUMP HEAT STATUS ON OFF DRAIN OPEN DRAIN STATUS OPEN CLOSED EVAPORATIVE CONDENSER LCD SCREENS Status Menu Screens ...

Page 75: ...ENTER to scroll through the screens SENSOR MENU LOW TEMP XX X F LOW TEMP NOTE This screen will only appear if more than one temperature sensor is configured TEMP1 XX X F SUMP TEMPERATURE SENSOR 1 TEMP2 XX X F SUMP TEMPERATURE SENSOR 2 TEMP3 XX X F SUMP TEMPERATURE SENSOR 3 P1 AMPS X X A PUMP 1 AMPS P2 AMPS X X A PUMP 2 AMPS EVAPORATIVE CONDENSER LCD SCREENS Sensor Menu Screens ...

Page 76: ... Pump 2 VFD Fault TEMP1 NODETECT Sump 1 Temperature Sensor not detected TEMP2 NODETECT Sump 2 Temperature Sensor not detected TEMP3 NODETECT Sump 3 Temperature Sensor not detected CONDSR 1 LOCKOUT Condenser 1 has a lockout condition CONDSR 2 LOCKOUT Condenser 2 has a lockout condition LOW SUMP TEMP Low Sump Temperature detected PUMP1 LO LOCKOUT Pump 1 Low Amperage lockout PUMP1 HI LOCKOUT Pump 1 H...

Page 77: ...reen press ENTER to scroll through the screens SETPOINT STATUS HEAT EN XX X F HEAT ENABLE READING DEADBAND X F DEADBAND NUM TEMP SENSORS NUMBER OF TEMPERATURE SENSORS OFFSET 1 X X F TEMPERATURE 1 SENSOR OFFSET OFFSET 2 X X F TEMPERATURE 2 SENSOR OFFSET OFFSET 3 X X F TEMPERATURE 3 SENSOR OFFSET NUMBR OF PUMPS NUMBER OF PUMPS EVAPORATIVE CONDENSER LCD SCREENS Setpoint Status Screens ...

Page 78: ...reens Press to go to the SYSTEM STATUS screen SYSTEM STATUS Press to scroll through the SYSTEM STATUS screens Press to go to the SENSOR STATUS screen SENSOR STATUS Press to scroll through the SENSOR STATUS screens Press to go to the ALARMS screen ALARMS Press to scroll through the ALARMS screens Press to go to the SETPOINT screen SETPOINT Press to scroll through the SETPOINT screens Vestibule Modu...

Page 79: ...up red and blink The Alarms will display and scroll automatically from theALARMS screen when alarms are present Alarm Description VestTemp FAIL Vestibule Temperature Sensor not detected Out Temp FAIL Outdoor Air Temperature Sensor not detected WFS LOSS Water Flow Switch open LeakDetc FAIL Leak Detector Sensor closed Table 29 Vestibule Module Alarms Setpoint Status Screens Refer to the following ma...

Page 80: ...ER ONLY WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED LABEL P N G070270 24 VAC GND AAON P N ASM02655 MAIN DX BARREL CONTROLLER VDC OUTPUTS GND 5VDC 24VDC ANALOG INPUT JUMPERS www aaon com ANALOG INPUTS A 8 I NOT USED AI3 BARREL 1 OUT TEMP A 1 I CHILLER WATER IN TEMP AI4 BARREL 2 OUT TEMP AI5 CHILLER OUT RESET AI6 FLOW METER A 7 I AMBIENT TEMP AI2 CHILLER WATER OUT TEMP DUAL E...

Page 81: ...lculated Saturation Temp BACnet Analog Inputs Point Type Number BACnet Point Name AI 64 B1 C1 Calculated Discharge Temp AI 65 B1 C1 Calculated Liquid Line Temp AI 66 B1 C1 Suction Line Temp AI 67 B1 C1 Discharge Line Temp AI 68 B1 C1 Liquid Line Temp AI 69 B1 C1 Superheat Temp AI 70 B1 C1 Discharge Superheat Temp AI 71 B1 C1 Sub cooling Temp AI 72 B1 C1 Compressor A1 Percentage AI 73 B1 C1 Compres...

Page 82: ...92 B1 C3 Liquid Line Pressure AI 193 B1 C3 Calculated Saturation Temp AI 194 B1 C3 Calculated Discharge Temp AI 195 B1 C3 Calculated Liquid Line Temp AI 196 B1 C3 Suction Line Temp AI 197 B1 C3 Discharge Line Temp AI 198 B1 C3 Liquid Line Temp AI 199 B1 C3 Superheat Temp AI 200 B1 C3 Discharge Superheat Temp AI 201 B1 C3 Sub cooling Temp BACnet Analog Inputs Point Type Number BACnet Point Name AI ...

Page 83: ...conomizer Freeze Protection Setpoint AV 32 0 50 Waterside Economizer Heat Exchange Inlet Setpoint AV 33 0 Sec 30 Sec Waterside Economizer Fan Staging Delay AV 34 0 Sec 120 Sec Waterside Economizer Startup Delay AV 35 0 50 Waterside Economizer Minimum VFD Speed AV 36 0 95 Waterside Economizer Minimum Mixing Valve w Fan On AV 37 1 Min 30 Min Waterside Economizer Primary 3 Way Valve Slow Start AV 38 ...

Page 84: ...et AV 70 1 Sec 60 Sec Compressor Modulation Rate AV 71 5 Sec 600 Sec High Outlet Water Temp Failure Time AV 80 0 Run 1 Reset Reset Unit Lockout 1 Reset AV 81 0 2 Auto Run Off Auto Run Off Command AV 82 0 Off 1 On Enable Disable EVAP Drain Valve AV 83 0 Off 1 On Enable Disable Main Relay 4 AV 84 0 Off 1 On Enable Disable Main Relay 5 AV 85 0 Off 1 On Enable Disable Main Relay 6 AV 86 0 Off 1 On Ena...

Page 85: ...ler Pumping Module Primary A Pump 1 Status Status BI 22 Chiller Pumping Module Primary A Pump 2 Status Status BI 23 Chiller Pumping Module Secondary Pump 1 Status Status BI 24 Chiller Pumping Module Secondary Pump 2 Status Status BI 25 Chiller Pumping Module Primary B Pump 1 Status Status BI 26 Chiller Pumping Module Primary B Pump 2 Status Status BI 27 Chiller Pumping Module Alarm Primary Pump A1...

Page 86: ...larm Pump 1 High Current Alarm BI 62 Evaporator Alarm Pump 2 Low Current Alarm BI 63 Evaporator Alarm Pump 2 High Current Alarm BI 70 B1 C1 Module Enabled Status BI 71 B1 C1 Compressor 1 Status Status BI 72 B1 C1 Compressor 2 Status Status BI 73 B2 C1 Module Enabled Status BI 74 B2 C1 Compressor 1 Status Status BI 75 B2 C1 Compressor 2 Status Status BI 76 B1 C2 Module Enabled Status BI 77 B1 C2 Co...

Page 87: ...arning No Discharge Pressure Sensor Warning BI 114 B1 C1 Warning No Discharge Temperature Sensor Warning BI 115 B1 C1 Warning High Superheat Warning BI 116 B1 C1 Warning Condenser Fault Warning BI 117 B1 C1 Warning No Liquid Line Pressure Sensor Warning BI 118 B1 C1 Warning No Liquid Line Temperature Sensor Warning BI 119 B1 C1 Warning High Discharge Pressure 2 Warning BI 120 B1 C1 Lockout Suction...

Page 88: ...ssure Warning BI 154 B2 C1 Warning No Discharge Pressure Sensor Warning BI 155 B2 C1 Warning No Discharge Temperature Sensor Warning BI 156 B2 C1 Warning High Superheat Warning BI 157 B2 C1 Warning Condenser Fault Warning BI 158 B2 C1 Warning No Liquid Line Pressure Sensor Warning BI 159 B2 C1 Warning No Liquid Line Temperature Sensor Warning BI 160 B2 C1 Warning High Discharge Pressure 2 Warning ...

Page 89: ...up Warning BI 194 B1 C2 Warning High Discharge Pressure Warning BI 195 B1 C2 Warning No Discharge Pressure Sensor Warning BI 196 B1 C2 Warning No Discharge Temperature Sensor Warning BI 197 B1 C2 Warning High Superheat Warning BI 198 B1 C2 Warning Condenser Fault Warning BI 199 B1 C2 Warning No Liquid Line Pressure Sensor Warning BI 200 B1 C2 Warning No Liquid Line Temperature Sensor Warning BI 20...

Page 90: ...ning BI 234 B2 C2 Warning Low Suction Pressure Startup Warning BI 235 B2 C2 Warning High Discharge Pressure Warning BI 236 B2 C2 Warning No Discharge Pressure Sensor Warning BI 237 B2 C2 Warning No Discharge Temperature Sensor Warning BI 238 B2 C2 Warning High Superheat Warning BI 239 B2 C2 Warning Condenser Fault Warning BI 240 B2 C2 Warning No Liquid Line Pressure Sensor Warning BI 241 B2 C2 War...

Page 91: ...t BI 274 B1 C3 Warning Low Suction Pressure Warning BI 275 B1 C3 Warning Low Suction Pressure Startup Warning BI 276 B1 C3 Warning High Discharge Pressure Warning BI 277 B1 C3 Warning No Discharge Pressure Sensor Warning BI 278 B1 C3 Warning No Discharge Temperature Sensor Warning BI 279 B1 C3 Warning High Superheat Warning BI 280 B1 C3 Warning Condenser Fault Warning BI 281 B1 C3 Warning No Liqui...

Page 92: ... Fault Compressor 2 Under Current Fault BI 315 B2 C3 Warning Low Suction Pressure Warning BI 316 B2 C3 Warning Low Suction Pressure Startup Warning BI 317 B2 C3 Warning High Discharge Pressure Warning BI 318 B2 C3 Warning No Discharge Pressure Sensor Warning BI 319 B2 C3 Warning No Discharge Temperature Sensor Warning BI 320 B2 C3 Warning High Superheat Warning BI 321 B2 C3 Warning Condenser Fault...

Page 93: ...t Point BACnet Point Name BACnet Description Limits MI 1 Operating Status Current Unit Mode 1 OFF_MODE 2 RUN MODE 3 Holiday OFF MODE 4 Holiday RUN MODE 5 Startup Delay 6 Emergency Shutdown 7 High Leaving Water Table 33 BACnet Parameter Multi State Input BACNET BACnet Multi State Input ...

Page 94: ...stem Directly below the touchscreen is a rocker switch panel with switches to shut down the unit and or each compressor The touchscreen provides the following useful functions Utilizes a graphical touchscreen menu system with easy to understand menu options Easy setup and operation without the need for specialized training Provides protection from unauthorized users through passcode authorization ...

Page 95: ...elp to exit the screen System Overview Screen View Only Tap the Start Screen to access the System Overview Screen view only The View Only status screen only shows alarms and component status Logging In Administrator Access At the bottom of the System Overview Screen touch the Login button to access the Login Screen See Figure 22 this page Touch the User Name field and use the pop up keyboard to en...

Page 96: ...scode WARNING Change theAdministrator passcode as soon as possible to secure the system and record the password before touching Change Passcode Logout of the touchscreen when tasks are completed in order to secure the system The New Passcode Screen will appear See Figure 24 this page Enter the new passcode in the passcode field and then again in the Confirm field or choose Generate Random Passcode...

Page 97: ...tion Buttons Button Function The Submit button is used throughout the program to save a setting or value This includes Submit Changes and Submit Search The program verifies the input and returns to the previous screen Touch the Save button to save changes and return to the previous screen Touch the Toggle button to turn it on and off Green is On Yes and red is Off No Touch the Radio button to turn...

Page 98: ...sing a CommLink 5 Verify communication has been established by performing a search for units Once communication has been established the Search for Units function is used to search for unit controllers on the loop or loops The Manage Units function is used to change names and or descriptions of loops and units if desired The Polling Units function shows the unit controllers in queue and the parame...

Page 99: ...age number at the bottom of each screen Slide the screen up and down to access each page Touch the symbol on the left to return to the System Overview Screen Figure 27 Chiller Pump Status and Waterside Economizer Status Details screen Figure 28 Evaporator Condenser Status and Vestibule Status Details Screen Figure 29 RSM Status Details Screen Figure 30 RSM Status and Compressor Staging Status Deta...

Page 100: ...his page Touch the Set Time button in the middle of the screen Touching Full Day Occupied or Full Day Unoccupied which will automatically set the times Toggle each event on in order to set the time It is also possible to copy a schedule from a previous day and or copy a schedule to the next day When finished touch Accept Scheduling Overrides From the Scheduling Screen it is possible to override th...

Page 101: ...modate holidays that float such as Memorial Day Saving and Restoring Schedules and Holidays While at the Scheduling Screen touch Save to save the controller s schedule Touch Load to restore a previously saved schedule or to copy or transfer a schedule from another controller Touch Clear to completely erase the schedule appearing in the window WARNING Clear will clear ALL entered stop start times s...

Page 102: ... Screen will appear See Figure 45 page 104 Each setpoint has its own data entry screen containing the name of the setpoint a brief description of the setpoint and the valid range for the setpoint Enter a new value that is within the allowable range Select Submit to have the system accept the new value If an entered setpoint is not in the valid range it will remain as is and will not change Touch B...

Page 103: ...ch the buttons to the right of the System Configuration Main Screen to access the categories Touch the symbol on the left or slide the screen to the left to return to the System Configuration Main Screen Figure 40 System Configuration Main Page Figure 41 Refrigeration Modules Screens Figure 42 Waterside Economizer Settings Screen Figure 43 Boiler Pump Settings Screen Figure 44 Evaporative Condense...

Page 104: ...new value that is within the allowable range in the blue data entry field above the keypad Touch Submit to have the system accept the new value If an entered setpoint is not in the valid range it will remain as is and will not change Touch Back to return to the previous screen without saving the entry The Configuration Settings Screens also utilize radio buttons and toggle keys Use the radio butto...

Page 105: ...View Only shows the alarm category alarm description and number of active alarms at the bottom center of the screen The Administrative Access shows the alarm category alarm description number of active alarms at the bottom center of the screen and has buttons at the bottom to allow the administrator to reset lockouts Touch one of the Reset Lockout buttons at the bottom of the screen to immediately...

Page 106: ...wered down for a week or longer it will lose its time and date Once power is cycled to the main controller the touchscreen will display the correct time and date Unit Run Stop and Compressor Disable There can be up to seven switches located below the touchscreen that can be used to disable the compressors or force the unit to run See Figure 47 this page The switches labeled Circuit A B C D E and F...

Page 107: ...he following requirements Operating System Microsoft Windows 10 NOTE Prism 2 is not intended for a server client environment nor for any version of Windows Server Minimum Hardware CommLink 5 or USB Link 2 for direct on site connection IP Module for remote connection Prism is NOT supported in a server environment It does not support client server systems Prism is a LAPTOP DESKTOP ONLY system WARNIN...

Page 108: ... Figure 48 this page This screen displays current operating status and inputs and outputs this screen allows a user to set schedules force modes run BACnet commands view alarms chart modules and access and change setpoints and configurations NOTE Only the Administrator and top level users can access and change setpoints and schedules Figure 48 Prism 2 DX Chiller Main Controller Status Screen PRISM...

Page 109: ... display See Figure 49 this page At the bottom of any Setpoints Screen there is access to all other Setpoint Screens by clicking the icons Temperatures Staging Delays Vestibule Calibration Configuration RSM Module Waterside Economizer Settings Pump Settings and Evap Module See Figure 49 this page The figures that follow show the rest of the screens available under Setpoints Figure 49 Prism 2 Contr...

Page 110: ...hnical Guide Figure 50 Prism 2 Setpoints Temperatures Figure 51 Prism 2 Setpoints Staging Delays Timing Intervals Figure 52 Prism 2 Setpoints Vestibules 1 and 2 Figure 53 Prism 2 Setpoints Sensor Calibration PRISM 2 Controller Setpoint Screens ...

Page 111: ...111 Main DX Barrel Chiller Controller Technical Guide Figure 54 Prism 2 Setpoints System Configuration Figure 55 Prism 2 Setpoints Refrigeration Modules PRISM 2 Controller Setpoint Screens ...

Page 112: ...112 Main DX Barrel Chiller Controller Technical Guide Figure 56 Prism 2 Setpoints Waterside Economizer Settings Figure 57 Prism 2 Setpoints Building Pump Settings PRISM 2 Controller Setpoint Screens ...

Page 113: ...113 Main DX Barrel Chiller Controller Technical Guide Figure 58 Prism 2 Setpoints Evap Condenser Module PRISM 2 Controller Setpoint Screens ...

Page 114: ...Factory Defaults To restore factory configuration and setpoint defaults for the main DX Barrel Chiller Controller select Restore Factory Defaults at the top of any setpoint screen A confirmation window will appear See Figure 60 this page Select Yes to clear all configuration and settings and restore factory defaults Select No to cancel this operation WARNING AAONdoesnotassumeanyresponsibilityor li...

Page 115: ...gram holidays for the next year and holidays do not automatically adjust for the new year It is necessary to access this screen after the new year and accommodate holidays that float such as Memorial Day Saving and Restoring Schedules and Holidays While at the Schedules Screen select Save to save the schedule Select Restore to restore a previously saved schedule Select Erase Schedules to completel...

Page 116: ... when bright red or the No Alarms button when dull red The Chiller Alarm Status Screen will appear See Figure 67 this page For the system to poll for alarms the Enabled box associated with each alarm category must be selected Select Alarm Polling Enabled in the Job Sites Window in order for Prism 2 to actively poll for alarms Refer to the Prism 2 Technical Guide for more information The gray OK bu...

Page 117: ...in DX Barrel Chiller Controller Technical Guide Figure 68 Prism 2 Refrigeration Module Alarms and Reset Screen Figure 69 Prism 2 EVAP Module Alarms and Reset Screen PRISM 2 RSM and EVAP Module Alarms Screens ...

Page 118: ...118 Main DX Barrel Chiller Controller Technical Guide Figure 70 Prism 2 CPM Alarms and Reset Screen Figure 71 Prism 2 Vestibule Alarms and Reset Screen PRISM 2 CPM and Vestibule Alarms and Reset Screens ...

Page 119: ...old CommLink 5 Wiring Should Be R To R SH G To Shld G T To T MiniLink PD 5 CommLink 5 NETWORK T SH R CommLink 5 COMM USB NETWORK L O O P T X U S B R X U S B C O M P A C T L A N L N K L A N W L A N MULTIPLE HIGH SINGLE LOW BAUD R SHLD T SERIAL 24VAC GND LOOP SOFTWARE T SHLD R T SHLD R NOTES USB drivers supplied with the CommLink 5 must be installed on the connected computer before the CommLink 5 ca...

Page 120: ...ring To Be R To B SHLD G To S G T To A S A B Pioneer Gold CommLink 5 Wiring Should Be R To R SH G To SHLD G T To T MiniLink PD 5 CommLink 5 NETWORK T SH R T SHLD R T SHLD R Front View CommLink 5 CommLink 5 COMM USB NETWORK L O O P T X U S B R X U S B C O M P A C T L A N L N K L A N W L A N Used for setting IP address on CommLink 5 See IP Module Technical Guide for software and installation details...

Page 121: ...upplied with the USB Link 2 must be installed on the computer before the USB Link 2 can be used ALARM UP DOWN ENTER MENU 24 VAC POWER ONLY WARNING POLARITY MUST BE OBSERVED OR THE CONTROLLER WILL BE DAMAGED LABEL P N G070270 24 VAC GND AAON P N ASM02655 MAIN DX BARREL CONTROLLER VDC OUTPUTS GND 5VDC 24VDC ANALOG INPUT JUMPERS www aaon com ANALOG INPUTS A 8 I NOT USED AI3 BARREL 1 OUT TEMP A 1 I CH...

Page 122: ...ll Rights Reserved AAON Controls Support 866 918 1100 Monday through Friday 7 00 AM to 5 00 PM Central Standard Time Controls Support website www aaon com controlstechsupport AAON Factory Technical Support 918 382 6450 techsupport aaon com NOTE Before calling Technical Support please have the model and serial number of the unit available PARTS For replacement parts please contact your local AAON R...