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TZ-3 TotalZone® Zone Control Panel
APPLICATION
The TZ-3 TotalZone Zone Control Panel controls single-stage,
multi-stage, conventional or heat pump heat/cool equipment.
It controls 2 or 3 zones, and is expandable up to 30 zones with
optional TotalZone® Add-A-Zone™ Zone Control Panel.
® U.S. Registered Trademark
Copyright © 2001 Honeywell • All Rights Reserved
FEATURES
• Up to three stages heat and two stages cooling can be
controlled by thermostat or built-in timer, based on the
number of zones calling.
• Controls up to three zones and can be expanded with
TotalZone Add-A-Zone zone Control Panel for up to 30
zones.
• Uses virtually any Honeywell four-wire, single-stage,
multi-stage, or Trol-A-Temp heat pump thermostat.
• Zone-A-Lone central setback feature.
• Purge timer protects equipment between calls for heat
or cool with choice of continually on or equipment
controlled fan.
• System and zone damper LEDs indicate system and
damper status.
• Individual zone fan control.
• Optional Discharge Air Temperature Sensor for
capacity control with adjustable high and low limits.
• Thermal circuit breaker protects panel and transformer
from damage if miswired.
For Internet access: www.trolatemp.com or
www.honeywell.com/yourhome/zoning/zoning_home.htm
For technical support, call 1-800-TAT-Temp (1-800-828-8367).
To download Zoning literature: http://hbctechlit.honeywell.com
Application.........................................................................1
Features ............................................................................1
Specifications ....................................................................2
Installation .........................................................................4
Startup and Checkout........................................................9
Operation...........................................................................10
Troubleshooting.................................................................13
PRODUCT DATA
Contents
68- 0223-2

Summary of Contents

  • Page 1

    It controls 2 or 3 zones, and is expandable up to 30 zones with optional TotalZone® Add-A-Zone™ Zone Control Panel. ® U.S. Registered Trademark Copyright © 2001 Honeywell • All Rights Reserved FEATURES • Up to three stages heat and two stages cooling can be controlled by thermostat or built-in timer, based on the number of zones calling.

  • Page 2: Specifications

    Multi-Stage Heat pump thermostat with single Y first-stage terminals. See Heat Pump Thermostats with Single Y Output section and Fig. 3. Multi-stage and heat pump thermostats are not required to control multi-stage and heat pump systems with TotalZone. They are used only when second stage or emergency heat control from the zone thermostat is needed.

  • Page 3

    Honeywell Damper Type Power-open/power-closed Spring-open/power-closed Table 3. Required Accessories (Not Supplied With Panel). Accessory 40 VA transformer Capacity protector Round static pressure regulator damper Rectangular static pressure regulator damper Table 2. Recommended Dampers. Round MARD Description AT140D1046 (PMT-40) ZMS, DATS (C7735A1000)

  • Page 4: Installation

    Fig. 3. Typical single-stage thermostat wiring. Heat Pump Thermostats Select a heat pump thermostat from Table 1. If the thermostat selected has a separate Y1 and W1, see Fig. 4. When using the thermostat to control the second stage of heat (W2), set DIP switch 5 to On, and DIP switch 1 to Off.

  • Page 5

    THERMOSTAT W1 C/X ZONE THERMOSTAT Fig. 4. Heat pump thermostat with separate Y1 and W1 terminals and multi-stage thermostat wiring. If the thermostat selected has a single Y terminal, see Fig. 5. Select a single Y thermostat for each zone. See Table 1.

  • Page 6

    TZ-3 TOTALZONE® ZONE CONTROL PANEL ZONE CONTROL PANEL DAMPER TERMINALS Fig. 9. MARD and CDO-51 Damper wiring. ML6161 Motor Actuator When the ML6161 Motor Actuator is used, wire as shown in Fig. 10. Wire the R8222 relay to prevent the damper LED from constantly lighting amber.

  • Page 7

    EM HEAT MODEL TZ-3 Heat Pump Equipment Wire the heat pump to the equipment terminals on the panel as shown in Fig. 15. Refer to manufacturer’s instructions for additional wiring instructions and substitute the TZ-3 equipment terminals for the thermostat terminals shown.

  • Page 8

    VALVE (COOL) 24V TRANSFORMER FAN RELAY EMERGENCY HEATING RELAY 2 STAGE HEATING RELAY HEAT PUMP CONTROLS Fig. 15. Heat pump with auxiliary heat wiring. TAYPLUS 103 VARIABLE TRANE XL1800 SPEED CONDENSING UNIT FURNACE Fig. 16. Trane XL 1800 with TAYPLUS 103 in restricted mode wiring.

  • Page 9: Startup And Checkout

    2ND STAGE COMPRESSOR AUXILIARY HEAT 2 STAGE EM. HT. Fig. 17. Water source heat pump wiring. panel, the Idle LED flashes seven times before entering the Purge mode.) Then the Idle LED turns red and each damper LED turns green.

  • Page 10: Operation

    TZ-3 TOTALZONE® ZONE CONTROL PANEL OPERATION Sequence of Operation On a call for heating or cooling, the zone damper stays open to the calling zone, and the dampers close to the zones that are not calling. The TZ-3 panel brings on the heating or cooling and conditioned air is delivered to the calling zone until that zone is satisfied.

  • Page 11

    When the Em Heat switch or a Cool thermostat puts the panel in the emergency heat mode, the heat pump is locked out and calls for heat are sent to the E terminal. A heat pump thermostat can also control emergency heat from the thermostat system switch.

  • Page 12

    Fan On In Heat The system blower can be set to come on with a call for heat as required for hydro-air, heat pump, or electric heat systems. Set the blower using DIP switch 8. DIP Switch 8...

  • Page 13: Troubleshooting

    Damper LEDs on, but no Insufficient voltage. other LEDs illuminated. Incorrect configuration. Erratic Operation Emergency Heat switch on. Zone-A-Lone Feature on. Heat pump operates Incorrectly wired. incorrectly or not at all. Incorrectly configured. Heat LED flashing. High limit reached. Cool LED flashing.

  • Page 14

    TZ-3 TOTALZONE® ZONE CONTROL PANEL DIP Switch Function Staging by number of zones calling. ZMS low limit. Purge mode timing. Fan control during purge. Control of W2 outpu.t Cool changeover from thermostat. Heat changeover from thermostat. Fan control in heat. Color Illuminated Heat...

  • Page 15

    See Fig. 20 for TZ-TotalZone Zone Control Panel. ZoneMAX™ TEST JUMPERS TERMINALS (NOT USED) ZoneMAX™ TEMP SETTING ONE™ TERMINALS STAGE TIMER HVAC EQUIPMENT TERMINALS 2 STAGE EM HEAT JUMPER ZONE, THERMOSTAT & DAMPER DIP SWITCHES FOR SYSTEM CONFIGURATION SYSTEM STATUS LED INDICATIORS MOTOR TERMINALS Fig.

  • Page 16

    TZ-3 TOTALZONE® ZONE CONTROL PANEL Home and Building Control Home and Building Control Honeywell Honeywell Limited-Honeywell Limitée 1985 Douglas Drive North 35 Dynamic Drive Golden Valley, MN 55422 Scarborough, Ontario M1V 4Z9 68-0223-2 G.H. Rev. 9-01 Printed in U.S.A. on recycled paper containing at least 10% post-consumer paper fibers.

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