HZ322 TrueZONE
  1 69-2199—05
APPLICATION
ACCESSORIES
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 
TH3210D
TH8320U 
TH8321U 
TH6220D 
TH4210D 
YTH9421C
Wire-
less*
TH5320R TH6320R
Note: All versions of the model numbers listed 
above will work with the applications they're listed 
for.
* For RedLINK™ wireless devices, a THM4000 is 
required.
Table 2. Recommended Dampers.
Type Honeywell 
Damper
Round Rectangular
Zone Spring-open/
power-closed
ARD  
(8 VA)
ZD (8 VA)
Power-open/
power-closed
MARD/
RRD  
(2 VA)
For recommend-
ed dampers call 
the Honeywell 
Zoning Hotline at 
18008288367.
Bypass Static pres-
sure regulat-
ing damper
SPRD/
MARD 
(2 VA)
SPRD
Table 3. Recommended Commercial Dampers.*
Type Actuation Round Rectangular
Zone Power-open/
power-closed
MARD D2 or D3 with 
ML6161A2009*
Bypass Power-open/
power-closed
MARD 
with 
SPC
D3 with 
ML6161B2024* 
and SPC
* Or equivalent damper and actuator.
Table 4. 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 addi-
tional dampers.
  Maximum dampers per panel is limited by transform-
er size.
  Ensure transformer is large enough to power the 
panel (7.5 VA) and dampers.
Table 5. Accessories.
Accessory Description
40 VA transformer* AT140A1042*
75 VA transformer AT175A1008
Discharge Air 
Temperature Sensor *
DATS C7735A1000*
SDCR** Slave Damper Control 
Relay
Wireless Adapter*** THM4000R1000
Wireless Outdoor Air 
Temperature Sensor***
C7089R1013
Portable Comfort 
Control***
REM5000R1001
RedLINK Internet 
Gateway***
THM6000R1002
*   Included in HZ322K 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.
The HZ322 TrueZONE
®
 panel controls:
•  Conventional gas, oil, or electric forced-air systems up to 2 stages heat and cool;
•  Heat pump systems with single stage compressor and auxiliary heat, and two stage heat pumps with no 
auxiliary heat; and two stage heat pumps with no auxiliary heat;
•  2 or 3 forced-air zones with wired thermostats, or wireless thermostats using THM4000R wireless adapter.
Please refer to TrueZONE Panel Frequently Asked Questions form 509694 for operating details.
http://customer.honeywell.com