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HZ22 TrueZONE
69-2200—0
SPECIFICATIONS AND ACCESSORIES
Input Ratings:
Voltage: 18-30 VAC 50/60 Hz transformer of 40 VA
or more.
Current Draw:
Zone Panel: 6.25 VA max.
All VA specifications at 24 VAC.
Wiring:
18–20-gauge solid (not stranded) wire.
Humidity Ratings:
5% to 90% RH non-condensing.
Temperature Ratings:
Shipping: -20° to 150°F (-29° to 66°C)
Operating: -40° to 165°F (-40° to 74°C)
Dimensions:
See below.
Emissions:
Complies with FCC Class B, part 15 requirements.
M24742A
8 (203)
8-1/8
(206)
1-55/64
(47)
HZ221 TrueZONE panel dimensions in in. (mm).
RECOMMENDED THERMOSTATS, DAMPERS, AND
ACCESSORIES
The following are suggested thermostats, dampers, and
accessories for use with the TrueZONE panel.
Table 1. Recommended Thermostats.
System Non-Programmable Programmable
Heat
Pump
TH3210D, TH5220D,
TH5320U
TH4210D, TH6220D,
TH8220U, TH8321U,
YTH9421C
Note: These thermostat models all have different four-
digit suffixes. All versions of the model numbers listed
above will work with the applications they're listed for.
Table 2. Recommended Dampers.
Type Honeywell
Damper
Round Rectangular
Zone Spring-open/
power-closed
ARD ZD
Zone Power-open/
power-closed
MARD/
RRD
For recommended
dampers call the
Honeywell Zoning
Hotline at
1-800-828-8367.
Bypass Static pres-
sure regulat-
ing damper
SPRD SPRD
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 addi-
tional dampers.
Maximum dampers per panel is limited by transformer
size.
Ensure transformer is large enough to power the panel
(6.25 VA) and dampers.
Table 4. Accessories.
Accessory Description
40 VA transformer* AT140A1042*
75 VA transformer AT175A1008
Discharge Air
Temperature Sensor
(DATS)*
DATS C7735A1000*
SDCR Slave Damper Control Relay
* Included in HZ221K kit.