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Rooftop Air Conditioner (Air Distribution Box, Wall Thermostat Controls)
14 Wiring to the thermostat
2. Insert the 8-conductor communication cable through
the hole in the base plate.
15 RJ-45 connector
RJ-45 cable connector
q
3. Insert the RJ-45 connector into the RJ-45 jack on the
back of the thermostat.
4. Go to "Mounting the thermostat" on page 17 to
install the thermostat onto the wall.
8 .1 .2 Using RV-C BUS and Multiplexer to
Supply CAN Communication to the AC
I
If installing RJ-45 wiring, go to "Using RJ-45 Wire
to Supply Communication to the Thermostat" on
page 16.
EN
q
q
1. Cut back the outer cable shield 3.0 in. (76 mm) and
strip 0.3 in. (7.6 mm) of insulation from each wire.
q q
w w
16 Connecting the thermostat communication cable plug to the
thermostat terminal block
Thermostat
q
terminal block
2. Terminate the wires with the appropriate plug for the
multiplex system using the correct pin assignments
below:
a. Connect Pin 1 to the (+) 12 V terminal.
b. Connect Pin 2 to the GND terminal.
c. Connect Pin 3 to the CAN_H (CAN Hi) terminal.
d. Connect Pin 4 to the CAN_L (CAN Lo) terminal.
3. Inspect all the connections to make sure they are tight
and not touching any other terminals or wires.
8 .1 .3 Mounting the thermostat
1. Avoid pinching or bending the connected wiring
cable(s) and tuck the cable(s) into the wall opening.
17 Mounting the thermostat
Installation
Thermostat
w
communication cable
17
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