Honeywell TotalZone TZ-4, Product Data

Page 1: ...s and can be expanded up to 32 zones with Add A Zone Control Panels Uses Honeywell four wire single stage multi stage or select heat pump thermostats Zone A Lone central setback feature Purge timer protects equipment between calls for heat or cool with choice of panel or HVAC equipment controlled fan System and zone damper LEDs indicate system and damper status Individual zone fan control Discharg...

Page 2: ...ed Wiring 18 gauge wire for all equipment and system connections Wiring Connections Thermostat R C W1 E W2 W3 AUX Y1 Y2 G L O B Dampers M6 Closed M4 Open M1 Common Discharge Air Temperature Sensor C7735A1000 DATS DATS Zone A Lone OC OC Outdoor Temperature OT OT Transformer 1 R hot C common Transformer 2 T1 hot T2 common Equipment Rc Rh W1 E W2 W3 AUX Y1 Y2 G O B Thermostats See Table 1 Most conven...

Page 3: ... maximum of five dampers per zone when using two 40 VA transformers Use SDCR and 40 VA transformer for additional dampers required on one zone Dampers are connected to M1 Common M4 Open and M6 Closed see Fig 7 10 for hookups Accessories For required accessories see Table 3 Table 1 Recommended Thermostats System Non Programmable Programmable Single Stage T87F1859 Q539A1014 T87F4010 Q539A4026 T8501D...

Page 4: ...as shown in Fig 7 10 3 Connect C7735A Discharge Air Temperature Sensor not supplied to the DATS terminals The wires are not polarized See Fig 13 4 Connect Add A Zone panels if used to the AZ1 and AZ2 terminals 5 Connect the HVAC equipment to the EQUIP terminals on the panel See Fig 15 21 6 Connect a 40 VA 24 volt transformer to R hot and C common This must be a dedicated transformer and each TAZ 4...

Page 5: ...s a zone thermostat See Fig 4 for hookup This thermostat can be used to control up to 2 heat and 2 cool stages of conventional equipment When used to control heat pump equipment the W8900A is recommended Connect a jumper on the W8900 from Rc to Rh as shown in Fig 4 Wire terminals R and C to a transformer If the system current draw is within specifications the R and C on the W8900 could alternately...

Page 6: ... 4 disconnected and wire as shown in Fig 5 If the PC8900 W8900 Thermostat is used in a heat pump application use the W8900A not the W8900B and wire as shown in Fig 4 M20508B W8900A C IS RECOMMEDED FOR CONVENTIONAL AND HEAT PUMP APPLICATIONS THE W8900B CANNOT SWITCH THE PANEL TO EMERGENCY HEAT LEAVE O B JUMPER ON TZ 4 DISCONNECTED TZ 4 THERMOSTAT CONNECTORS 1 2 1 S1 S T1 T OUT OUT LED G Y2 Y1 W1 W2...

Page 7: ... to the panel as shown in Fig 8 Multiple dampers can be wired in parallel Use these dampers on systems up to 2000 cfm AOBD Dampers Wire the AOBD dampers to the panel as shown in Fig 9 Two AOBD can be wired in tandem as shown in Fig 10 More than two AOBD dampers require the Slave Damper Control Relay SDCR Fig 6 Heat pump thermostat with single Y thermostat wiring M20506B G C R Y W1 L W2 E B O COMMO...

Page 8: ...tion indication Use the MARD or D643 with the ML6161 on systems above 2000 cfm Fig 11 Wiring MARD Damper or ML6161 Actuator to panel M20891 G C R Y1 Y2 L W3 E B O COMMON C TERMINAL IS USED ONLY ON THERMOSTATS THAT REQUIRE A COMMON WIRE ALTERNATIVELY JUMPER E THERMOSTAT TERMINAL TO Y1 FOR EMERGENCY HEAT CONNECT O B JUMPER ON TZ 4 WHEN USING O OR DISCONNECT WHEN USING B FOR CHANGEOVER FIELD INSTALLE...

Page 9: ... Relay SDCR Fig 13 Wiring transformer s to panel Discharge Air and Outdoor Temperature Sensors Wire the C7735A Discharge Air Temperature Sensor DATS to the panel as shown in Fig 14 The Purge LED yellow flashes in all modes except purge if no DATS is connected to the TZ 4 or if there is a problem with the DATS or the wiring For dual fuel applications connect the C7089 Outdoor Temperature Sensor as ...

Page 10: ...elay has powered terminals remove the Rh Rc jumper Set DIP switch 5 6 to off to energize the fan with a call for heat Oil Heat Wire the oil primary T T terminals to the Rh and W equipment terminals If the oil primary has powered terminals remove the Rh Rc jumper Multi Stage Wire the equipment as shown in Fig 16 using the W2 and W3 terminals for second and third stages of heat Wire Y2 for second st...

Page 11: ...MIN 0 1 0 40 MIN 0 0 1 50 MIN 0 0 0 60 MIN ON OFF 1 0 CONV HP 40F 48F 2 0 MIN 3 5 MIN HVAC PANEL NO CHG OPEN HVAC PANEL COOL HEAT DISABLED ENABLED RH RC W1 E W2 W3 AUX ZONE LEDs ON Damper open or opening OFF Damper closed or closing MOMENTARY PUSH BUTTONS Boot Clears microprocessor Purge Overide Bypass Purge Mode BOOT PURGE OVERRIDE Single Transformer Heating Cooling systems require a jumper to be...

Page 12: ...second stage of compressor to Y2 See Fig 22 M20521B HVAC Equipment RH RC W1 E W2 W3 AUX Single Transformer Heating Cooling systems require a jumper to be installed connecting RH and RC factory installed Y1 Y2 G O B Heating Transformer 24 VAC Equip Cooling Transformer Auxiliary Heat Compressor Reversing Valve Fan Relay 1 1 FIELD INSTALLED JUMPER M20522B HVAC Equipment RH RC W1 E W2 W3 AUX Single Tr...

Page 13: ... zone two LED turns green 7 Repeat for zones three and four 8 Alternately lower the setpoint to call for cooling Verify that the green cool LED illuminates OPERATION Identifying DIP Switches This panel has two banks of DIP switches DIP switch 4 S4 and DIP switch 5 S5 Each bank has eight individual switches that are identified by two numbers the first number is the bank number 4 or 5 and the second...

Page 14: ...tage configuration Note that second and third stage can be controlled differently Set stages not used to Off DIP Switch bank 4 switches 1 4 are used to configure the staging method Switches 1 and 2 configure second stage control See Table 4 Switches 3 and 4 configure third stage control See Table 5 When stage two or three is not used disable that stage by turning off the corresponding switches Sin...

Page 15: ... the fossil fuel mode IMPORTANT A C7089B1000 Outdoor Temperature Sensor and a C7735A1000 Discharge Air Temperature Sensor are required for dual fuel operation Table 4 DIP Switch Bank 4 Stage 2 Configuration Operation Switch 4 1 Switch 4 2 Thermostat On On Timer On Off of Zones Off On Off Off Off Table 5 DIP Switch Bank 4 Stage 3 Configuration Operation Switch 4 3 Switch 4 4 Thermostat On On Timer ...

Page 16: ...ode W1 E is energized only in emergency heat A recommended heat pump thermostat can also control emergency heat from the thermostat system switch See Table 1 Multi Stage Thermostats Use multi stage thermostats to control up to three stages of heat and two stages cool with the W1 E W2 W3 AUX Y1 and Y2 thermostat terminals Manual and Automatic Changeover Thermostats Manual or automatic changeover th...

Page 17: ...tects the panel against shorts in the thermostat and damper wiring It does not protect against shorts in the wiring of the HVAC equipment into the panel When the circuit breaker is tripped none of the LEDs illuminate and the yellow rectangular component located left of the R and C terminals is hot to touch Remove power to the panel for at least five minutes to allow the circuit breaker to cool off...

Page 18: ...rminal wiring Incorrectly configured Verify DIP switch configuration Verify position of O B thermostat type jumper Erratic Operation Emergency Heat switch on Turn off down Emergency Heat switch Zone A Lone Feature on Turn off up Zone A Lone Heat LED flashing High limit reached LED stops flashing with ten degree fall and 2 1 2 minute delay Cool LED flashing Low limit reached LED stops flashing with...

Page 19: ... call No cool calls Low limit reached Purge Amber Purge mode Not in Purge mode DATS failure slow flash OT failure fast flash DATS and OT failure alternating fast and slow flash Fan Green Fan only call No fan only call EM Heat Red Emergency Heat mode or dual fuel mode Not in emergency Heat mode or dual fuel mode Zones 1 2 3 4 Green Damper is open or opening Damper is closed or closing ...

Page 20: ...tomation and Control Solutions Honeywell Honeywell Limited Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley MN 55422 Scarborough Ontario M1V 4Z9 Printed in U S A on recycled paper containing at least 10 post consumer paper fibers ...