Dometic CCC 2 User Manual

Comfort Control Center 2 Thermostat

3314150.016

User’s Guide

Dometic Comfort Control Center 2 Thermostat Quick Start-Up

The basic steps for operating your Air Conditioner, Heat Pump or Dehumidier (herein

after referred to as the “unit”), are described in this User’s Guide. For more detailed
information on modes of operation and special features refer to the Operating Instruc­tions Manual.

Quick reference to control buttons

Press to increase temperature

Press to select zone

or humidity set-point

Press to select
On and OFF

Press to select fan
speed

Press to set
clock

Press to
select mode

USA

SERVICE OFFICE

Dometic, LLC

2320 Industrial Parkway

Elkhart, IN 46516

574-294-2511

Press to select
program 1 or 2

Dometic, LLC

46 Zatonski, Unit 3

Brantford, ON N3T 5L8

519-720-9578

Press to display
relative humidity set­point (Select Models)

CANADA

CANADA

Press to display
inside temperature

Press to select
temperature format

Press to decrease
temperature or
humidity set-point

For Service Center

Assistance Call:

800-544-4881

Form No. 3314150.016 10/11

(Replaces 3314150.000)

(French 3314170.014)

REVISION

©2011 Dometic, LLC

LaGrange, IN 46761

1. To turn ON the CCC 2 thermostat

when the back light is off, rst press

any button to wake up the CCC 2
thermostat. Then press and release
the ON/OFF button.

2. Press the MODE button to cycle
through the mode options. A mode is

an operation that can be performed
by the unit and is controlled by
the Dometic CCC thermostat. The
available modes are: OFF, COOL,
HP (HEAT PUMP), HS (Heat Strip),
FAN, FURN (Furnace), and AUTO.

The available modes are determined
by your system options.

3. Press the ZONE button to cycle
through the available zones to be
programmed. Each zone signies a

unit designated to cool, heat or de-

humidify a specic area of an RV.

The Dometic CCC 2 thermostat can
control up to four units (zones).

4. Press the UP or DOWN but­tons to increase or decrease the room

air temperature (hereinafter referred

to as the set-point). The set-point
is the desired inside room air tem­perature.

5. Press the FAN button to select the
fan speed. The options are AUTO, HI,
MED, or LO.

6. Press the CLOCK button to initiate
the clock setting sub-menu on the
CCC 2 thermostat. When entering
this menu, the “hour” digits will ash
rst. Press the CLOCK button again
and the “minutes” digits will ash.
Press it a third time and the “AM” or

“PM” icon will ash.

Press the UP and DOWN but­tons to set the “hour”, “minute”, and
“AM/PM” setting.
Press the CLOCK button one more
time to store the new time in memory
and exit the clock setting sub-menu.

7. Press and hold the INSIDE TEMP
button and the LCD will display the
current inside temperature recorded

at the CCC 2 Thermostat (or at the

optional remote indoor temperature
sensor) instead of the temperature
set-point. The LCD will also display
“IN” to indicate that the inside tem­perature is being displayed. When the
INSIDE TEMP button is released, the
LCD will return to the programmed
temperature set-point.

Special Features:

● Auto Fan

● Stage Select (Two air conditioners/
heat pumps or models equipped with
two compressors)

● Programs 1 & 2

● Auxiliary Heat (heat pump models
only)

● Load Shed

● Automatic Generator Start (optional)
See Operating Instructions Manual
for more information on special fea­ture.

LCD Error Code

When the system determines that one of
the faults listed below has occurred an
error code will be displayed in the LCD
for the zone in which the error occurred.
During normal operation, a blinking zone
number indicates a fault has occurred.
The error code is displayed in place of the
temperature set-point.

E3 Shorted Indoor Temperature Sensor.

All heat, cool, and dehumidify opera­tion will be locked out. Manual fan op­eration can continue.

E4 Open circuit or out of range Outdoor

Temperature Sensor (Select Models).
Heat pump and dehumidication op-

eration will be locked out. Air condi­tioner, furnace, heat strip, and fan op­eration can continue to operate.

E5 Open circuit or out of range Freeze

Sensor (Select Models). Air condition­er and dehumidication operation will

be locked out. Heat pump, furnace,
heat strip, and fan operation can con­tinue to operate but displays the last
temperature set-point.

E6 Open circuit Humidity Sensor (Select

Models). Air conditioner and dehu-

midication operation will be locked

out. Heat pump, furnace, heat strip,
and fan can continue to operate.

E7 Loss of 120 VAC power to all power

module boards on the system. The
system will shut down.

Error Code:

E1 Loss of communication between the

CCC 2 thermostat and all system
power module boards. System will
shut down.

E1 Loss of communication between the

CCC 2 thermostat and an individual
system power module board. The
LED will display error code E1 and
the zone number that lost communi­cation. Any additional zones that lose
communication will blink in addition to
the current zone.

E8 Invalid zone conguration. The heat

pump and heat strip DIP switches
are both set to the ON position in one
zone. Heat pump, heat strip, air con­ditioner, and dehumidify operation
will be locked out in the affected zone.

E9 Invalid zone conguration. The dehu-

midier DIP switch and either the heat

pump or heat strip DIP switches are
set to the ON position in one zone.
Heat pump, heat strip, air condition­er, and dehumidify operation will be
locked out in the affected zone.

E2 Open circuit or out-of-range Indoor

Temperature Sensor. All heat, cool,
and dehumidify operation will be
locked out. Manual fan operation can
continue.

In the unlikely event you experience a system failure, refer to the “SERVICE” section of the Operating
Instructions furnished with your unit.