Dometic FreshJet3 Series Installation Manual page 16

Installation
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
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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 16 to
install the thermostat onto the wall.
7 .1 .2 Using RV-C BUS and Multiplexer to
Supply CAN Communication to the AC
I If installing RJ-45 wiring, go to "Using Independent
RJ-45 Wire to Supply Communication to the
Thermostat" on page 15.
16
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Rooftop air conditioner (air distribution box, wall thermostat controls)
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.
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16 Connecting the thermostat communication cable plug to the
thermostat terminal block
Thermostat
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terminal block
2. Terminate the wires into a 4-pin Molex Mini-Fit Jr.
receptacle 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.
7 .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
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Thermostat
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communication cable
EN