Multiaqua MHRC, User Manual

Page 1: ...CONTROL MANUAL MHRC CHILLER Multiaqua Inc 306 Hagood Street Easley South Carolina 29640 Phone 864 850 8990 Fax 864 850 8995 Rev 2015 09 25 MHRC with MCS MAGNUM Controls...

Page 2: ...0 8990 Fax 864 850 8995 http www multiaqua com All information contained within this document is considered to be proprietary information of MCS System Controls No information or data from this docume...

Page 3: ...PUTS SENSOR STATUS 11 6 3 INPUT VALUE FOR M1 SENSOR 11 6 4 CHANGE VALUE REQUIRES HIGH AUTHORIZATION 11 7 Alarms 12 7 1 PRESS MENU SELECT ALARMS 12 7 2 ALARMS 12 8 Graphs 13 8 1 PRESS MENU SELECT GRAPH...

Page 4: ...alarms 36 21 2 2 Alarms as a result of user actions 36 21 2 3 Alarms generated by the control algorithm 37 21 3 MHRC MAGNUM system alarms 37 21 3 1 Alarms are generated by the MHRC MAGNUM control algo...

Page 5: ...tems communicate both locally and remotely The MCS MAGNUM provides exibility with setpoints and control options that can be selected prior to commissioning a system or when the unit is live and functi...

Page 6: ...e Menu items FUNCTION KEYS F1 F2 F3 are used to Page Up and Page Down as shown below F2 PG page up F3 PG page down Function keys are also used when a numerical digit is needed F1 1 F2 2 F3 3 ARROW KEY...

Page 7: ...display The MCS MAGNUM controller is a state computer that is decisions are made based upon setpoints timers and sensor inputs the controller moves from one state to another The controller will change...

Page 8: ...S HH MM C TNK H TNK COMPRESSOR 1 IS RUNNING TIME IN THIS MODE PROVIDES SUCTION DISCHARGE OIL PSI WITH MOTOR AS WELL AS TEMPERATURES PRESS F3 PG TO CONTINUE REVIEWING STATUS 4 Status Displays The curre...

Page 9: ...TED CONDENSING DISCHARGE SUPERHEAT PRESS F3 PG TO CONTINUE REVIEWING STATUS HH MM EXV 1 STATUS C TNK H TNK OPENING EXV 1 TIME IN THIS MODE PROVIDES VALVE TIME TO NEXT CHANGE SUPERHEAT RATE OF CHANGE P...

Page 10: ...CROLL THROUGH THE DATA FUNCTION KEY F1 ALLOWS THE USER TO DISPLAY ANALOG OUTPUTS PAGE UP DOWN DISPLAYS NEXT 4 OUTPUTS HH MM PRESSING F1 SELECTS ANALOG OUTPUTS THE SCREEN SHOWS 3 ANALOG OUPUTS IN THIS...

Page 11: ...SCROLL THROUGH THE DATA FUNCTION KEY F1 ALLOWS THE USER TO DISPLAY ANALOG OUTPUTS PAGE UP DOWN DISPLAYS NEXT 4 OUTPUTS HH MM INPUT SHOW CURRENT VALUE PRESS ENTER TO CHANGE VALUE 6 Status Inputs 6 1 P...

Page 12: ...DETAILS OF THE ALARMS THERE ARE A MAXIMUM OF 100 ALARMS PRESENTED TWO TO A SCREEN WITH MOST CURRENT FIRST HH MM ALARMS THE FIRST TWO ALARMS ARE PRESENTED ALLOWS THE USER TO SCROLL THROUGH THE ALARMS P...

Page 13: ...THRU THE DATA USING THE FUNCTION KEYS SELECT EDIT RELAY OUTPUTS OR ANALOG INPUT HH MM GRAPHS PRESSING F1 EDIT BRINGS UP THIS DISPLAY WITH CURRENT VALUE HIGHLIGHTED PRESS THE ENTER KEY USING ADJUST THE...

Page 14: ...O SCROLL THROUGH THE DATA FUNCTION KEY F1 ALLOWS THE USER TO DISPLAY SETPOINT DATA PRESS ENTER KEY TO SEE VALUE OF SETPOINT 1 9 Set Points 9 1 PRESS MENU SELECT SET POINTS 9 2 DISPLAY SET POINTS 9 3 E...

Page 15: ...LL THROUGH THE OPTIONS FUNCTION KEYS ALLOW PAGE UP DOWN PRESS PG DOWN SELECT SYSTEM INFO HH MM SELECT SYSTEM INFO ETHERNET NETWORK PRESS ENTER TO SELECT FUNCTION KEYS ALLOW PAGE UP DOWN HH MM SYSTEM I...

Page 16: ...CONTINUES TO NEXT SYSTEM INFO HH MM SYSTEM INFO SHOWS COMPANY NAME TYPE OF UNIT BEING CONTROLLED PG CONTINUES TO NEXT SYSTEM INFO HH MM SYSTEM INFO SHOWS CONFIG VERSION NUMBER CONFIG DATE PG CONTINUES...

Page 17: ...LOCKOUTS HH MM IF NO LOCKOUTS EXIST YOU WILL BE NOTIFIED IF THE UNIT IS IN LOCKOUT YOU WILL BE ALLOWED TO RESET YOU ARE LIMTED TO 10 RESETS A DAY MAKE SURE THE CAUSE OF THE RESET IS FIXED BEFORE TRYI...

Page 18: ...EM INFO LOCKOUT ALARM NO LOCKOUT ALARMS HH MM MENU KEY SELECT LCKOUTALARMS PRESS ENTER THIS WILL ALLOW USER TO DISPLAY ANY LOCKOUTS ALARMS 12 Lockout Alarms 12 1 PRESS MENU SELECT LCKOUT ALARM 12 2 1S...

Page 19: ...TO ENTER FROM KEYPAD CAN BE ANY COMBINATION FROM LAPTOP HH MM AS EACH DIGIT IS ENTERED AN ASTERICK SHOWS UP ON DISPLAY WHEN COMPLETED PRESS ENTER HH MM IF A CORRECT PASSWORD IS ENTERED YOU WILL BE NO...

Page 20: ...DESCRIPTION OF THE SYMBOLS USED TO MOVE CURSOR KEYS USED TO ENTER PASSWORD HH MM PRESS F3 KEY AT MAIN MENU 14 Main Menu Functin Keys 14 1 MAIN MENU 14 2 HELP DISPLAY 14 3 MHRC LARGE TYPE DISPLAY 14 4...

Page 21: ...ced into the LOCKOUT state In this state all RO s except ALARM and OIL HEATER for screws with an oil pump are turned OFF and placed in the LOCKOUT state Note If the Lockout Reset is pressed more than...

Page 22: ...tate is entered when the evaporator ow switch is off When the chiller is in this state the individual compressor states if active are moved to the CMP IS OFF state through the normal states One capaci...

Page 23: ...ows a If the MHRC temperature is above the target and the Chilled Water Rate Of Change ROC is not indicating the MHRC temperature is already decreasing at a suf cient rate the chiller s capacity contr...

Page 24: ...10 The chiller safeties Comp No Stop Phase Loss Emergency Stop Chilled Water Freeze Protection are checked once every second All of chiller safeties are options features Once a chiller safety has occu...

Page 25: ...REVISION 1 25 17 MCS MAGNUM EXV Suctin Discharge Superheat Logic...

Page 26: ...REVISION 1 26...

Page 27: ...REVISION 1 27...

Page 28: ...superheat is in control zone and ROC is acceptable IS OPENING Refer to EXV Logic Chart superheat is in control zone but rising too fast ROC less than 1 0 IS CLOSING Refer to EXV Logic Chart superheat...

Page 29: ...MIN If there is a VFD associated with the condenser this is the starting minimum speed Time sec eld This eld contains the condenser stage that must be on before the VFD is modulated 52 CND MIN Modulat...

Page 30: ...will allow the user to see addtional information The user can setup different Workspaces and save them for quick viewing see section on setting up custom work spaces in MCS CONNECT manual SENSOR INPUT...

Page 31: ...e maximum position allowed when opening the valve This value should be the valve opening at full capacity plus a 10 to 15 margin 17 LO SUPERHEAT If the calculated superheat remains below this value fo...

Page 32: ...e Controls scaling of the amount the AO is adjusted usually 1 The larger the number the smaller the AO adjustment as the adjustment will be divided by this value CND VFD MIN If there is a VFD associat...

Page 33: ...s is the minimum time delay between EXV adjustments if the rate of change is too fast when in EXV control zones 1 or 2 If this Setpoint is inactive then the ROC for this zone is 0 and the delay is 15...

Page 34: ...At that time if the discharge temperature has decreased below than the value of Setpoint 87 HI DISC TMP minus the value of Setpoint 89 HDISC T RELD the compressor will return to normal control 89 DIS...

Page 35: ...started if suf cient time has elapsed since the last defrost 159 DEF TRIG DEL Time in minutes between defrost cycles 160 DEF revDelay If a reversing valve is used this is the delay in minutes the sys...

Page 36: ...ns the historical data may be incorrect run times cycles min max values and trend graph data WATCHDOG RESET The Magnum has reset itself because of improper operator of the Magnum board Please consult...

Page 37: ...has been loaded into the system The system is not operational a con guration must be transmitted to the unit form MCS CONNECT or the con g chip must be replaced with a valid one INVALID CONFIG check s...

Page 38: ...etpoint the MHRC will be locked out and a UnsafeSupply alarm is generated DIRTY FILTER If the sensor reading of the Air Filter Diff Pres falls below the value in setpoint 56 DIRTY FILTER and it remain...

Page 39: ...d or the MHRC unit is damaged 21 5 2 Compressor safeties For a safety to be interrogated both the associated sensor input and the lockout setpoint must be active If a safety trips the alarm name will...

Page 40: ...remains there for the time speci ed in the safety time of that setpoint the compressor s safety will trip and a LO COMP AMPS alarm will be generated This safety is bypassed for the rst 3 seconds after...

Page 41: ...t 83 through 88 If the ampere raises above the calculated value and it remains there for the time speci ed in the safety time of setpoint 89 the heating stage safety will trip and a HI HEAT AMP alarm...

Page 42: ...ications terminal block If communica tions is lost to any board the entire LCC is shut down locked out and a LOST I O SHUTDOWN alarm is generated The user is required to correct the communication lost...

Page 43: ...UM Rev 8 1 PWR Input Terminal Ten 10 Relay Output terminals COMMON NO NC Twelve 12 Sensor Input Terminals Analog or Digital 12 VDC RS485 MCSI O Ethernet Spare Input Power Fuse Four 4 Analog Outputs Ke...

Page 44: ...REVISION 1 44 24 APPENDIX C MCS SENSORS Quick Reference Sheet 24 1 MCS CT 300 Current Transformer 24 2 MCS 667 Pressure Transducer...

Page 45: ...REVISION 1 45 24 3 MCS DS INTERFACE BOARD 24 4 MCS T 100 TEMPERATURE SENSOR...

Page 46: ...REVISION 1 47 APPENDIX E MHRC Digital Scroll Drawings...

Page 47: ...REVISION 1 48 APPENDIX E MHRC Digital Scroll Drawings...

Page 48: ...REVISION 1 49 APPENDIX E MHRC Digital Scroll Drawings...

Page 49: ...REVISION 1 50 APPENDIX E MHRC Digital Scroll Drawings...

Page 50: ...REVISION 1 51 APPENDIX E MHRC Digital Scroll Drawings...

Page 51: ...ULTI AQUA Site and or Unit Name MHRC 1 Model Name DIGITAL SCROLL Serial Number 2015 07 0000001 Config Version 17 Config Type MHRC Mag Technician Initials BWW Revision Number C Firmware Version 17 14I...

Page 52: ...ick Move Feature No Generate Alarm for Network Time Synchronization No Generate Alarm When Configuration is Updated No Daylight Savings Time Active Yes DOW Sunday Hour 2 Spring Forward Month MAR Begin...

Page 53: ...d M 6 Disc PSI MCS 667 0 M 7 Cnd Fan Standard M 7 Suct Tmp MCST100 0 M 8 ColdWtrPmp Standard M 8 Disc Tmp MCST100 0 M 9 HotWtrPmp Standard M 9 Cmp Amps CT 300 0 M10 Alarm Standard M10 LiqOutRec MCST10...

Page 54: ...Used Not Used Not Used Not Used Not Used 0 99 9 999 9 DISABLED Not Used Not Used Not Used Not Used M12 Liq PSI MCS 667 0 77 Not Used Not Used Not Used Auto Not Used Not Used Not Used Not Used Not Used...

Page 55: ...ed Enthalpy Sensor Not Used Ambient Temperature Not Used Ambient Humidity Not Used Demand Limit FLA Not Used Demand Limit Steps Not Used Vestibule Control Temp Control Sensor Not Used Fan Relay Not Us...

Page 56: ...d AO 1 Not Used VFD Speed AO 2 Not Used Pressure SI IN 1 Not Used Pressure SI IN 2 Not Used Pressure SI OUT 1 Not Used Pressure SI OUT 2 Not Used VFD Fault 1 Not Used VFD Fault 2 Not Used Evap Tonnage...

Page 57: ...REVISION 1 58 Lockout Information Lockouts based on I O boards not enabled Boiler Information Boiler Logic Not Enabled Circuit Information on Next Page Appendix F MHRC CONFIGURATION DIGITAL SCROLL...

Page 58: ...essor speed fault Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Pump Down Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Evap EXV Output Not Used Not...

Page 59: ...rant Temp Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Refrig Level Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Refr Leak Sensor Not Used Not Use...

Page 60: ...ITAL SW View Only Setpoint No 48 CND DELAY 15 5 120 1 0 0 SECONDS View Only Delay 1 1 0 No 49 CdFanStrt 50 20 100 5 1 1 HUMD or View Only Setpoint No 50 CND TARG PSI 325 225 450 5 0 0 PSI GAGE View On...

Page 61: ...LAY 120 30 300 10 0 0 SECONDS View Only Setpoint No 111 FREEZE 37 33 50 0 5 3 3 0 10 TEMP View Only Lockout 0 0 0 No 151 Unloaded Off 2 1 3 0 5 1 1 TEMP View Only Setpoint No 153 SftyUnld Dly 10 5 30...

Page 62: ...00 00 24 00 00 00 24 00 Tuesday 00 00 24 00 00 00 24 00 Wednesday 00 00 24 00 00 00 24 00 Thursday 00 00 24 00 00 00 24 00 Friday 00 00 24 00 00 00 24 00 Saturday 00 00 24 00 00 00 24 00 Holiday 00 00...

Page 63: ...y Type DIGITAL SW Comments SI 1 3 DiscFilter SI M 6 Disc PSI None Fixed Value 0 17 Display Type PSI GAGE Comments SI 1 4 Disc1PSI SI 1 1 CMP1 100 DI AND SI M 6 Disc PSI Display Type PSI GAGE Comments...

Page 64: ...REVISION 1 66 Appendix G MHRC Frequency Drive Drawings...

Page 65: ...REVISION 1 67 Appendix G MHRC Frequency Drive Drawings...

Page 66: ...REVISION 1 68 Appendix G MHRC Frequency Drive Drawings...

Page 67: ...REVISION 1 69 Appendix G MHRC Frequency Drive Drawings...

Page 68: ...REVISION 1 70 Appendix G MHRC Frequency Drive Drawings...

Page 69: ...MULTI AQUA Site and or Unit Name MHRC 1 Model Name VFD SCROLL Serial Number 2015 07 0000001 Config Version 17 Config Type MHRC Mag Technician Initials BWW Revision Number C Firmware Version 17 14I In...

Page 70: ...History Sample Rate 1 Activate Keypad Cursor Quick Move Feature No Generate Alarm for Network Time Synchronization No Generate Alarm When Configuration is Updated No Daylight Savings Time Active Yes...

Page 71: ...d M 9 AMPS CT 300 0 M10 ALARM Standard M10 ODCoilTmp MCST100 0 M11 L PSI OUT MCS 667 0 M12 L TEMP OUT MCST100 0 M13 HPSI MANSW DIGITAL Closed OFF M14 FLOW COLD DIGITAL Open OFF M15 FLOW HOT DIGITAL Cl...

Page 72: ...ITAL Not Used Closed OFF NO YES Not Used Not Used Manual ON Not Used Not Used Not Used Not Used Not Used 0 Not Used Not Used DISABLED Not Used Not Used Not Used Not Used M16 RUN STOP DIGITAL Not Used...

Page 73: ...Used Enthalpy Sensor Not Used Ambient Temperature Not Used Ambient Humidity Not Used Demand Limit FLA Not Used Demand Limit Steps Not Used Vestibule Control Temp Control Sensor Not Used Fan Relay Not...

Page 74: ...1 Not Used VFD Speed AO 2 Not Used Pressure SI IN 1 Not Used Pressure SI IN 2 Not Used Pressure SI OUT 1 Not Used Pressure SI OUT 2 Not Used VFD Fault 1 Not Used VFD Fault 2 Not Used Evap Tonnage Not...

Page 75: ...REVISION 1 77 Lockout Information Lockouts based on I O boards not enabled Boiler Information Boiler Logic Not Enabled Circuit Information on Next Page Appendix H MHRC CONFIGURATION FREQUENCY DRIVE...

Page 76: ...or speed fault Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Pump Down Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Evap EXV Output Not Used Not Us...

Page 77: ...rigerant Temp Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Refrig Level Not Used Not Used Not Used Not Used Not Used Not Used Not Used Not Used Refr Leak Sensor Not Used Not...

Page 78: ...JUST 3 1 20 1 1 1 HUMD or View Only Setpoint No 33 MIN ADJUST 1 1 5 1 0 0 HUMD or View Only Setpoint No 34 LOAD SENSIT 1 1 10 1 0 0 DIGITAL SW View Only Setpoint No 48 CND DELAY 20 5 120 1 0 0 SECONDS...

Page 79: ...DLAY 120 30 300 10 0 0 SECONDS View Only Setpoint No 111 FREEZE 37 33 50 0 5 3 3 0 10 TEMP View Only Lockout 0 0 0 No 151 Unloaded Off 2 1 3 0 5 1 1 TEMP View Only Setpoint No 153 SftyUnld Dly 10 2 30...

Page 80: ...00 00 24 00 00 00 24 00 Tuesday 00 00 24 00 00 00 24 00 Wednesday 00 00 24 00 00 00 24 00 Thursday 00 00 24 00 00 00 24 00 Friday 00 00 24 00 00 00 24 00 Saturday 00 00 24 00 00 00 24 00 Holiday 00 00...

Page 81: ...NLOADING 16 17 LO SUCT UNLOAD 17 18 LO SUCT HOLD 18 19 HI DISC UNLOAD 19 20 HI DISC HOLD 20 21 SAFETY TRIPPED 21 22 LO TEMP UNLOAD 22 23 LO TEMP HOLD 23 24 HI AMP HOLD 24 25 HI DIS TMP HLD 25 26 CMP I...

Page 82: ...kup Table AO Information S Customer Jobs Multiaqua VFD unit MHRC VFD 9 15 15 B cfg CONFIG DATE 9 15 15 at 04 09 PM PRINT DATE 9 24 15 02 36 PM Modbus Write AO Information AO 1 1 COMP ENABL Display Typ...

Page 83: ...0 0 3 0 0 3 0 0 3 0 0 4 0 0 4 0 0 4 0 0 5 0 0 5 0 0 5 0 0 6 0 0 6 0 0 6 0 0 7 0 0 7 0 0 7 0 0 8 0 0 8 0 0 8 0 0 9 0 0 9 0 0 9 0 0 10 0 0 10 0 0 10 0 0 11 0 0 11 0 0 11 0 0 12 0 0 12 0 0 12 0 0 13 0 0...

Page 84: ...by design need to be calibrated based on construction and altitude You must use the MCS Connect with a valid Authorization code to change sensor offsets See MCS Connect Interactive section for instruc...

Page 85: ...way is blinking This indicates that MCS Connect is talking to the gateway Verify that the two wire shielded cable is properly wired from the RS 485 connector to the gateway Verify red LED Located jus...

Page 86: ...Multiaqua Inc 306 Hagood Street Easley South Carolina 29640 Phone 864 850 8990 Fax 864 850 8995...