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HZ322 TrueZONE
3 69-2199—01
WIRING
Follow these steps for wiring all systems. However, wiring will vary depending on equipment. For conventional sys-
tems, refer to page 5. For heat pump systems, see page 6.
Wiring must comply with applicable codes, ordinances, and regulations. Use the following wiring diagrams to wire
the zone panel to the thermostats and dampers.
The HZ322 offers many innovations for wire management and organization: wires can be run
behind the panel, through wire channels on its sides, and must be attached to a wiring anchor
with a cable tie.
M24743
Install thermostats using instructions provided with thermostats.
Connect thermostat to zone panel. To connect wire to the panel, strip
approximately 1/4 in. of insulation and push wire into terminal. To
release wire, press the button on top of the terminal.
In retrofit applications, trim end of wire if not straight.
3
Install dampers using instructions provided with dampers.
Connect dampers to zone panel.
NOTE: Multiple dampers can be wired in parallel.
4
M28023
Rc
R
C
W
W2
Y
Y2
G
M1
M4
M6
R
C
W1/E
W2
Y1
Y2
G
O/B
L
ZONE 3
DAMPER
THERMOSTAT
CAUTION: Voltage Hazard.
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
Wire entire panel before applying transformer power.
Fig. 4
Fig. 5
Fig. 6
M24920
ARD OR ZD DAMPER SPRING-OPEN POWER-CLOSED
ZONE 3
DAMPER
M1
M4
M6
R
ZONE 1
DAMPER
RRD OR MARD DAMPER POWER-OPEN POWER-CLOSED
M4 OPEN
M6 CLOSED
M1 COMMON
ARD OR ZD DAMPER SPRING-OPEN POWER-CLOSED
ZONE 2
DAMPER
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