Installation Sheet

HZ432 TrueZONE
1 69-2198—05
ACCESSORIES
The HZ432 TrueZONE® panel controls:
• Single-stage, multi-stage, conventional, or heat pump heat/cool HVAC equipment up to 3 stages of heat and 2
stages of cool;
• Dual-fuel systems with up to 2 heat pump stages and 2 fossil fuel stages;
• 2, 3, or 4 zones and is expandable to 32 zones using wired thermostats with the TotalZone® AddAZone™ panel;
• 2, 3, or 4 zones with wireless thermostats when used with the wireless adaptor.
Please refer to TrueZONE Panel Frequently Asked Questions form 509694 for operating details, or see
http://customer.honeywell.com
Table 1. Recommended Thermostats.
System Non-Programmable Programmable
Single-
Stage
TH5110D, TH3110D,
T87N
TH8110U, TH6110D,
TH4110D
Multi-
Stage
TH5220D TH8320U, TH8321U,
TH6220D, YTH9421C
Heat-
Pump
TH5220D (2H/1C only)
TH3210D (2H/1C only)
TH5320U* (Up to
3H/2C)
TH8320U (Up to 3H/2C)
TH8321U (Up to 3H/2C)
TH6320U* (Up to 3H/2C)
TH6220D (2H/1C only)
TH4210D (2H/1C only)
YTH9421C
Wire-less
†
TH5320R TH6320R
* This thermostat cannot control two stages of fossil fuel when in emer-
gency heat mode.
†
For RedLINK™ wireless devices, a THM4000 is required. For more than
4 zones, see page 11.
Table 2. Recommended Dampers.
Type Actuation Round Rectangular
Residential
Zone Spring-open/
power-closed
ARD
(6 VA)
ZD (6 VA)
Zone Power-open/
power-closed
RRD
(2 VA)
Bypass Barometric SPRD SPRD
Commercial
Zone Power-open/
power-closed
MARD
(2 VA)
D2 or D3 with
ML6161A2009 (2 VA)
Bypass Power-open/
power-closed
MARD
(2 VA)
with SPC
D2 with ML6161B2024*
(2 VA) and SPC
* Or equivalent damper and actuator.
APPLICATION
Table 3. Maximum Dampers.*
Ambient Temp. Maximum Damper VA per Zone
100°F (38°C) 28.8
160°F (71°C) 16.8
* Use an SDCR (Slave Damper Control Relay) for additional dampers to
surpass the maximum damper VA per zone.
Maximum dampers per panel is limited by transformer size.
Ensure transformer is large enough to power the panel, thermostats,
wireless adapter module, and dampers.
Table 4. Accessories.
Accessory Description
40 VA transformer* AT140A1042
75 VA transformer AT175A1008
Discharge Air Temperature Sensor
(DATS)*
C7735A1000
TAZ4 TotalZone® AddAZone
TM
Control
Panel
SDCR** Slave Damper Control Relay
Portable Comfort Control*** REM5000R1001
Wireless Adapter*** THM4000R1000
Wired Outdoor Air Temperature
Sensor
‡
C7089U1006 (hard wired)
Wireless Outdoor Air Temperature
Sensor***
‡
C7089R1013 (wireless)
RedLINK Internet Gateway*** THM6000R1002**
* Included in HZ432K kit.
** Use an SDCR (Slave Damper Control Relay) to add additional dampers
to a zone to surpass the maximum Damper VA rating per Zone.
*** For RedLINK™ wireless devices, a THM4000 is required.
‡
A wired or wireless outdoor sensor is required for Dual Fuel applica-
tions.