Instruction/ maintenance manual of the product TZ-4 Honeywell
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 55.
An important point after buying a device Honeywell TZ-4 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell TZ-4 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Honeywell TZ-4 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell TZ-4 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell TZ-4 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell TZ-4, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Honeywell TZ-4.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell TZ-4. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell TZ-4 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
