Thermostat Wiring; Digital Thermostat Operation - Dometic Duo-Therm 630015.301 Installation & Operating Instructions Manual

C. THERMOSTAT WIRING
Thermostat wiring for Dometic Bimetal thermostat:
Route the (10) conductor cable from the 14"x14" opening
to the thermostat location. Leave enough cable within the
14"x14" opening to connect to the low voltage cable. At the
thermostat location, leave about six (6") inches of cable
extending through the wall. Plug the thermostat cable into
the thermostat connector cable.
When an auxiliary furnace is used with the heat pump,
a two conductor cable must be routed from the furnace to
the thermostat location. Connect one wire from the fur-
nace to the violet wires with a wire nut. Connect the other
wire from the furnace to the green wire in the thermostat
cable and secure with a wire nut. Tuck the excess wire
back into the wall and fill opening with insulation to prevent
drafts that could affect the thermostat operation. Secure
the thermostat to the wall using the two screws.
D. THERMOSTAT OPERATION
BIMETAL
Cooling:
1) Set the SYSTEM SWITCH to COOL.
2) Set the temperature LEVER to your comfort level.
3. Set the FAN switch to:
a) AUTO: The fan cycles off and on with the
compressor.
b) ON: The fan will run continuously. The com-
pressor will turn off when the room temperature is
cool enough to satisfy the thermostat setting.
Heating:
1) Set the system switch to HEAT:
2) Set the temperature LEVER to your comfort level.
3) Set the FAN switch to:
a) AUTO: The fan will cycle off and on with the
compressor.
b) ON: The fan will run continuously. The com-
pressor will cycle off and on with thermostat
demand.
Auxiliary Heat:
1) Set the system switch to AUX.HEAT.
2) Set the fan switch to AUTO.
NOTE: The auxiliary heat position is only used if:
1) You have a factory installed furnace operating
from the heat pump system thermostat.
DIGITAL
2) The outside temperature is above 40 degrees and
you wish to operate your furnace.
3. For quick interior warm up.
4. There is no 115 volt AC power available to operate
your heat pump and you must operate the furnace
for your comfort.
Fan:
To circulate air without heating or cooling:
1) Set the SYSTEM SWITCH to OFF.
2) Set the FAN SWITCH to ON.
Hi/Low:
HIGH: Fan speed position
LOW: Fan speed position
E.

THERMOSTAT WIRING

Thermostat wiring for DIGITAL thermostat: Route the
(10) conductor cable from the 14"x14" opening to the
thermostat location. Route a two conductor cable from the
coach's 12 volt DC power source to the thermostat loca-
tion. Connect 12 volt positive lead to the green wire on the
thermostat cable.
Connect the 12 DC volt negative lead to the brown lead.
Secure both connections using wire nuts.
At the thermostat location, leave about six (6") inches of
cable extending through the wall. Plug the thermostat
cable into the thermostat connector cable.
When an auxiliary furnace is used with the heat pump, a
single wire conductor must be routed from the furnace to
the thermostat location. Connect this wire from the furnace
to the violet pigtail at the thermostat and secure with wire
nut. Tuck the excess wire back into the wall and fill opening
with insulation to prevent drafts that could affect the
thermostat operation. Using the two screws provided,
secure the thermostat to the wall
NOTE: The furnace has two wires for thermostat connec-
tions. One wire should be marked 12V DC or (+) and the
other wire may be unmarked, or labeled "thermostat". The
wire marked 12V DC or (+) should be capped and not used
with the heat pump setup. The wire marked "thermostat"
or the unmarked wire is the wire to connect to the violet
thermostat pigtail. See Wiring Diagram on Page 13.
F.

DIGITAL THERMOSTAT OPERATION

Your air conditioner is operated from the control panel of
the electronic wall thermostat. When the furnace is con-
nected to this thermostat, it will operate from the same
control panel.
Identification and operational descriptions for all control
panel switches and display are listed below:
1) Liquid Crystal Display: This display will be illumi-
nated any time the system is in operation.
The display shows the operator both the mode of the
display (indicated by the arrow at the left side of the
display), and the temperature for that mode.
There are three display modes: ACTUAL, COOL and
HEAT.
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