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Honeywell TZ-4 manual

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Table of contents for the manual

  • Page 1

    PRODUCT DATA 68-0259-1 ® U.S. Registered Trademark Copyright © 2002 Honeywell • All Rights Reserved TZ-4 TotalZone® Zone Control Panel APPLICATION The TZ-4 T otalZone Zone Control Panel co ntrols single-stage, multi-stage, conventional or heat pump heat/coo l equipment. It controls 2, 3 or 4 zones, and is expandable up to 32 zones with optiona[...]

  • Page 2

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 2 SPECIFICATIONS Input Ratings: V oltage: 20-30 V ac, 50/60 Hz. Power: 13 V A, nomin al. Output Ratings: 1.5A run, 200,000 cycles (30 V ac). 3.5 inrush. 1.5A run, 100,000 cycles (30 V ac) 7.5A inrush. Humidity Ratings: 5 to 90 percent RH, non-condensing. T emper ature Ratings: Shipping: -20° to 120°F[...]

  • Page 3

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 3 68-0259-1 a Heat pump thermostat with single Y first-stage termi nals. See Heat Pump Thermostats section and Fig. 6. b Multi-stage and heat pump thermostats are not required to cont rol multi-stage and heat pump syst ems with T otalZone. They are used only when second stage or emergency heat control from the z[...]

  • Page 4

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 4 INSTALLATION Mounting CAUTION Equipment Damage Hazard . Do not mount TZ-4 inside HV AC equipment Mount only on wall or on cold air return. Identifying DIP Switches This panel has two banks of DIP swi tches, DIP switch 4 (S4) and DIP switch 5 (S5), see Fig 15. Each b ank has eight individual switches [...]

  • Page 5

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 5 68-0259-1 Wiring Diagrams (Fig. 3 and 4) Conventional Thermostats Conventional (RWYG) thermostat s can be used to control conventional, multi-stage, and h eat pump equipment. If the thermostat has a common terminal, it is wired to C on the panel, see Fig. 3. A multi-st age thermost at is wired with the second [...]

  • Page 6

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 6 Fig. 4. PC8900 with W890 0A,C Thermostat wiring. Heat Pump Thermostats Select a heat pump thermostat fr om T able 1. If the thermostat selected has a separate Y1 and W1 w ire, as shown in Fig. 5, leave the zone O/B thermostat type jumper on the TZ-4 disconnected, and wire as shown in Fi g. 5. If the [...]

  • Page 7

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 7 68-0259-1 . Fig. 5. He at pump the rmost at with sep arate Y1 and W1 terminals and multi-stage thermostat wiring. If the thermostat selected from T able 1 has a single Y terminal for first stage heat and cool, wire as shown in Fig. 6. Wire either O or B (not both) from the thermost at to the O/B terminal on th[...]

  • Page 8

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 8 Fig. 7. Heat pump thermostat with 3-st age heat, 2-stage cool single Y thermostat wiring. Fig. 8. W iring ARD or ZD damp er to p anel. Fig. 9. Wiring AOBD damp er to p anel. Fig. 10. Wiri ng two AOBD dampers in p arallel. MARD Dampers or Damper s Using an ML6161 Motor Actuator Wire the MARD Damper or[...]

  • Page 9

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 9 68-0259-1 Fig. 12. MARD or ML6161 Damper Motor Actuator using R8222 Relay wiring. Transformer 1. Wire the transformers to the panel as shown in Fig. 13. One 40 V A, 24 V ac tra nsformer controls up to five ARD or ZD dampers. 2. Connect the transformer to termina ls R and C. 3. Add the auxiliary transformer if [...]

  • Page 10

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 10 Fig. 15. T otalZone Add-A-Zone wir ing. Conventional Equipment Wire the heating and cooling eq uipment to the equipment terminals on the TZ-4 Pan el as shown in Fig. 16. Conventional Equipment: Set DIP switch 5-1 to on. Electric Furnaces: Set DIP switch 5 -6 to off to energize the fan with a call fo[...]

  • Page 11

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 1 1 68-025 9-1 Fig. 16. Wiring conventional h eating and cooling equipm ent to TZ-4 p anel. Heat Pump Equipment See Fig. 17-22 for heat pump wiring. Refer to manufacturer instructions for additional wiring de tails and substitute the TZ-4 equipment terminals for the thermostat terminals shown. — Connect the ch[...]

  • Page 12

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 12 Fig. 17. Wiring si ngle-st age heat pump with auxiliary he at. Fig. 18. Wiring si ngle-stage heat pump with separate auxiliary and emergency hea t. T wo-speed Comp ressor: Wire the first stage compre ssor to Y1 and the second stage compressor to Y2. If the same heat source is used for auxiliary heat[...]

  • Page 13

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 13 68-0259-1 Fig. 21. Du al Fuel with sing le-st age heat pump and single- stage fossil fuel. Fig. 22. Dual fuel wi th two-st age heat pump and one- or two-stage fossil fuel. Water Source Heat Pumps Wire the equipment, as applicable, to the TZ-4 as shown in Fig. 17-19. Refer to manu factur er instructions for ad[...]

  • Page 14

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 14 Purge Mode At the end of every call for heat or cool, the panel enters a Purge mode that hol ds open the calling zo ne damper for two (default) or three and one-ha lf minutes. During this time, the panel or the HV AC equipment can be configured to operate the fa n. The Purge LED l ights to signal th[...]

  • Page 15

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 15 68-0259-1 HEAT PUMP OPERATION The panel can control singl e- or two- stage heat pumps with or without auxiliary heat. Set DIP switch 5 -1 to Off for heat pump control. This energizes equipment terminal Y1 on a call for first stage heat or cool. If second stage is configured to operate with DIP switch 4-1 and [...]

  • Page 16

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 16 Thermostat Operation Conventional Thermostats Conventional (R,W ,Y ,G) heat/cool thermostat s can be used with the TZ-4 to control single or multi-stage gas, electric or oil systems and heat pumps with auxiliary heat. The panel can be configured to control second stage heat and cool and third stage [...]

  • Page 17

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 17 68-0259-1 Use DIP switch 5-2 to chang e cooli ng limit settings: Zone-A-Lone Switch When the Zone-A-Lone switch is in the occupied (up) position and the OC/OC terminals are no t used, the system functions as a zone control system. When switched to the unoccupied (down) position, al l dampers are opened and al[...]

  • Page 18

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 68-0259-1 18 TROUBLESHOOTING T abl e 8. T rouble shooting. Symptom Possible Cau se Action No LEDs are Illuminated No power to the board. Check for 24 V ac (±10%) across R and C. T r ansformers out of phase If 48 V ac across R and T1, reverse T 1 and T2 wires. Shorted wire. Check thermal circuit breaker . If hot[...]

  • Page 19

    TZ-4 T OTALZONE® ZONE CONTROL PANEL 19 68-0259-1 T able 9. LED In dicators. LED Color Illuminated Not Illuminated Flashing Heat Red Heat call . No heat calls. High limit reached. Cool Green Cool call. No cool calls. Low limit reached. Purge Amber Purge mode. Not in Purge mode. • DA T S failure: slow flash. • OT failure: fast flash. • DA TS a[...]

  • Page 20

    68-0259-1 G .H. Rev . 12-02 www .honeywell.com/yourhome Automation and Control Solutions Honeywell Honeywell Li mited-Honeywel l Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 5542 2 Scarborough, Ontario M1V 4Z9 TZ-4 T OTALZONE® ZONE CONTROL PANEL[...]