Installing The Lcd Sz System - Dometic 640315 series Installation Instructions Manual

INSTALLATION PROCEDURE
FIG. 9
CCC 2 Thermostat
b. Insert the 4 conductor communication cable
through the hole in base plate. Align thermo-
stat base plate with hole in wall. Make sure
base plate is level and attach base plate to
wall using the 4 supplied screws.
c. Insert the 4 conductor communication cable
connector (RJ-11-6C4P) into the connector
on the back of the thermostat. See (FIG. 10).
FIG. 10
4 Conductor
Communication Cable
d. Align the thermostat with the back plate and
snap into position.
Disengage Tab
G.

Installing The LCD SZ System

 W ire colors listed for the communication ca-
ble (3-conductor cable) match the wire colors
in the unit wire harness and the wire harness
at the LCD SZ electronic control box. Avail-
able wire colors may vary.
1. Separate the cover from the LCD SZ thermostat
by pressing down on the tab located at the bot-
tom of the base.
2. Insert the previously run communication cable
(3-conductor cable) through the hole in the base
assembly.
3. Cut back the outer cable shield approximately 3
inches and strip 1/4" insulation from each wire.
4. Mount the thermostat level on the wall using the
screws provided.
5. Connect the wires. See (FIG. 11).
6. Inspect all connections to make sure they are
tight and not touching any other terminals or
wires.
7. Push the wires back through the base into the
wall. Place the cover on the thermostat and
push until an audible click is heard.
FIG. 11
● Red/white wire to the 12V+ terminal
● Black wire to the 12V– terminal
● Orange wire to the "COMMS" terminal
9
Communication
Cable