6
620515, 620525, 620526, 630515 & 630516 Installation Instructions
E. Dometic Comfort Control Center™ & Cable
Installation
1. Location
a. If the system is to be used WITHOUT a Re-
mote Temperature Sensor, the proper loca-
tion of the Comfort Control Center™ is very
important to ensure that it will provide a comfort-
able RV temperature. Observe the following
rules when selecting a location:
• Locate the Comfort Control Center™ 54"
above the floor.
• Install the Comfort Control Center™ on a
partition, not on an outside wall.
• NEVER expose it to direct heat from lamps,
sun or other heat producing items.
• Avoid locations close to doors that lead
outside, windows or adjoining outside walls.
• Avoid locations close to supply registers
and the air from them.
b. If the system is to be used WITH a Remote
Temperature Sensor in ALL zones, the Com-
fort Control Center
TM
may be mounted any-
where that is convenient in the coach. Try to
avoid hard to reach and hard to see areas.
• Refer to the instructions provided with the
Remote Temperature Sensor for details
of installation.
c. A 3/8" diameter hole will be needed to route the
cable through the wall. See Section D-3.
2. Control Cable Installation
A 4-conductor control cable must be routed from the roof
opening to the Comfort Control Center
TM
.
a. Choose the shortest, most direct route from the
14-1/4" x 14-1/4" (±1/8") opening to the Com-
fort Control Center
TM
location selected. Leave
6" of cable extending through the wall. See
Section D-6.
b. The control cable that should be used is a flat,
4-conductor telephone cable.
c. The control cable must be terminated with two
(2) RJ-11 telephone connectors. Refer to the
crimp tool manufacture for crimping instruc-
tions.
Important: RJ-11 connectors must be installed as
shown in FIG. 7A & 7C.
3. Comfort Control Center
TM
Installation
a. Carefully remove the base plate from the Com-
fort Control Center
TM
. This may be accom-
plished by inserting a small screwdriver under
the tab on thebottom edge of the front cover
and gently prying. See FIG. 8.
b. Insert the control cable through the hole in the
base plate and mount the plate to the wall with
two (2) screws provided. Check the alignment to
ensure level installation.
c. Install the control cable RJ-11 connector into
the back of the Comfort Control Center™ and
gently press onto the base plate.
FIG. 7A
FIG. 7B
6. Route a 4-conductor control cable from the Comfort
Control Center™ mounting position into the
14-1/4" x 14-1/4" (±1/8") roof opening. Make sure
that at least 15" of the wire extends into the roof
opening and 6" extend from the wall at the mounting
position of the Comfort Control Center™. See
Section E-2.
7. In the event that other Air Conditioners are installed
(additional zones) an additional 4-conductor control
cable must be routed to the other Air Conditioners.
Make sure that at least 15" of the wire extends into
the roof opening. See FIG. 21.
8. If an automatic generator start kit (AGS) will be
installed, a 4-conducter control cable must be
routed from the last air conditioner to location of
AGS kit. Follow AGS kit instructions for installation.
Flat Four Conductor Cable
RJ-11 Connector
Pin 1
FIG. 7C
Insert Screwdriver
under Tab
Insert Screwdriver
under
Tab
M
ODE
MODE
FAN
UP
DOWN
OFF
ON
OFF
ON
ZONE
TE
M
P
TEMP
FIG. 8
(20 pages)
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