4-5-01 3109228.001 Comfort Control Center Operating Instructions

4-5-01 3109228.001 Comfort Control Center Operating Instructions
By Dometic
COMFORT CONTROL CENTER™
Part No. 3109228.001
MODE
Comfort Control
™
USA
SERVICE OFFICE
The Dometic Corp.
509 So. Poplar St.
LaGrange, IN 46761
(219) 463-4858
CANADA
Dometic Dist.
866 Langs Dr.
Cambridge, Ontario
CANADA N3H 2N7
(519) 653-4390
MODE OFF
FAN
UP
TEMP
DOWN
ZONE 1
ZONE
OFF
ON
For Service Center
Assistance Call:
800-544-4881
C
US
This Comfort Control Center will provide your cooling and
heating requirements regardless of your vehicle size.
Comfort
Control Center ™
OPERATING
INSTRUCTIONS
REVISION
Form No. 3108664.032 1/01
(Replaces 3108664.024)
(French 3109564.024
©2001 The Dometic Corporation
LaGrange, IN 46761
Part No. 3109228.001
1
Your recreational vehicle manufacturer has equipped your
vehicle with Duo-Therm's Comfort Control Center™. The
Comfort Control Center has been designed for you to easily
operate all the air conditioning and gas heating appliances
found in your vehicle from one location.
C. FAN SPEEDS – Possible available fan speeds are:
LOW, MEDIUM, HIGH and AUTO. To select the desired
fan speed, momentarily depress the FAN push button.
You will need to continue to depress and release the
FAN button until the desired fan speed is shown in the
LCD readout area of the Comfort Control Center.
In order to familiarize yourself with the operation of the
Comfort Control Center, the following diagram along with the
accompanying text will explain all the functional characteristics of the system.
D. TEMPERATURE SELECTOR BUTTONS – The temperature Set-point range is from 40° to 99° Fahrenheit or
4° to 37° Celsius. Determination of Fahrenheit or Celsius
standard is done at the time of your manufacturer's
installation of the Climate Control Center. To set the
temperature at your comfort level, simply depress and
release the UP or DOWN push-button until the desired
temperature is shown in the LCD readout area of the
Comfort Control Center.
Comfort Control
™
MODE
MODE OFF
FAN
UP
TEMP
DOWN
ZONE
OFF
ON
E. ZONE SELECTOR BUTTON – A ZONE is also
established at the time of installation of your Comfort
Control Center. If you have one air conditioner, you will
have one ZONE. If your vehicle has more than one cooling
system, depending on the manufacturing installation,
you may have 2, 3 or 4 ZONES. Zones are defined and
preset by your manufacturer. A zone is an area of
cooling/heating which is controlled independently within
that area, and regulated at the Comfort Control Center.
A typical example of a two zone application would be a
vehicle with two air conditioning systems, one in the front
area (living room, kitchen) and one in the back section
(bedroom and bath). The front area could be established
as ZONE 1 and the back section ZONE 2. You can select
the desired temperature and fan speeds for each zone
independently, thereby keeping your bedroom cooler
than the front portion of the vehicle. To determine the
number of established zones in your vehicle, depress the
ZONE push-button. ZONE 1 will be the first ZONE to
appear in the LCD readout. The ZONE number selected
will begin to flash and will flash for approximately 30
seconds or until another ZONE has been selected.
Continue to depress and release the ZONE button until
you see ZONE 1 reappear.
A.
B.
C.
D.
Liquid Crystal Display
Mode Selector Button
Fan Speed Selector Button
Temperature Selector Buttons
E. Zone and Stage Selector
F. On/Off Switch
A. LIQUID CRYSTAL DISPLAY – Your Comfort Control
Center is equipped with a liquid crystal display (LCD)
that identifies the mode of operation, the temperature
set-point, the zone identification and the fan speed. The
Comfort Control Center is designed to accept and
control many varied air conditioning and gas heating
appliances. When you begin to first operate your Comfort Control Center, you will see that the LCD readout will
only show the options available based on the appliances
installed on your vehicle. An incandescent light will
illuminate the LCD area when a selector button is
pushed for easy reading at all times.
F. ON/OFF SWITCH – The ON/OFF switch is located on
the lower right hand edge of the Comfort Control Center.
Move the lever from side to side to change status.
B. MODE SELECTOR BUTTON – Modes of operation
available are: OFF, FAN ONLY, COOL, HEAT PUMP,
FURNACE, HEAT STRIP and AUX. HEAT. Remember, your LCD readout will only show the options
available based on the appliances installed on your
vehicle. To select the mode of operation, momentarily
depress the MODE push-button. You will need to
continue to depress and release the button until the
desired mode is shown in the LCD readout area on the
Comfort Control Center.
To determine the Comfort Control Center options available to you, depress and release the MODE push-button
until it goes through all selections.
2
OPERATING YOUR
DUO-THERM COMFORT CONTROL CENTER
The Comfort Control Center allows you the freedom of controlling your vehicle's temperature to provide you with a comfortable
environment to enjoy your life-style. With just a few simple steps, you can control which mode of operation you will use, the vehicle
temperature and the fan speeds.
A. FAN ONLY MODE OF OPERATION
1. Begin by placing the power switch on the lower right
hand edge of the Control Center on the ON position. To
do this, simply move the lever to the right.
2. Momentarily depress and release the MODE pushbutton until the FAN ONLY indicator on the Liquid
Crystal Display (LCD) is illuminated.
3. Momentarily depress and release the FAN pushbutton until the desired fan speed indicator (LOW,
MED, HIGH, AUTO) is illuminated. If your vehicle is
equipped with a heat pump or a dual basement air
conditioning system, your selection choice will be
LOW, HIGH or AUTO.
4. After approximately 5 seconds, the selected fan
speed will come on. The MODE and FAN speed you
have selected will remain shown in the LCD area of the
Control Center until you change your selection.
5. If your vehicle contains more than one ZONE, depress
the ZONE push-button to select ZONE 2, and repeat
procedures from step two above. Repeat entire procedure for each additional zone.
2
Comfort Control
™
HIGH
MODE
FAN ONLY
MODE
FAN
3
UP
TEMP
ZONE 1
DOWN
ZONE
OFF
ON
1
B. COOLING MODE OPERATION
(To set cooling temperatures and fan speeds on DuoTherm Air Conditioners & the cooling mode of DuoTherm Heat Pumps)
1. Momentarily depress and release the MODE pushbutton until the COOL indicator on the LCD is illuminated.
2. Depress and release the FAN push-button to select
your desired fan speed (LOW, MEDIUM, HIGH or
AUTO). If your vehicle is equipped with a heat pump or
a dual basement air conditioner system, your selection choice will be LOW, HIGH or AUTO.
3. Depress and release the UP push-button to increase
the temperature or the DOWN push-button to decrease the desired temperature. The final selected
SET-POINT will be displayed in the LCD area of the
Comfort Control Center.
4. After a delay of approximately 2 minutes the air
conditioner's compressor will come on and the cooling
process will begin. Once the room temperature reaches
the selected SET-POINT, the compressor will cycle
off. Once the Comfort Control Center senses the need
for cooling, the compressor will restart in approximately two minutes. At this point, the fan will either:
a.continue to operate in the single selected fan speed
or,
b.cycle OFF and ON with the compressor if the AUTO
fan speed has been selected.
5. If your vehicle contains more than one ZONE, depress
the ZONE push-button to select ZONE 2, and repeat
procedures from Step 1. Repeat entire procedure for
each additional zone.
Comfort Control
™
1
LOW HIGH
MED AUTO
°F
SET POINT
72
MODE
MODE
FAN
2
COOL
UP
3
TEMP
ZONE 1
DOWN
ZONE
OFF
3
ON
™
Comfort Control
LOW HIGH
MED AUTO
°F
SET POINT
68
MODE
HEAT PUMP
MODE
FAN
2
UP
3
TEMP
ZONE 1
DOWN
ZONE
OFF
1
MODE
68
°F
SET [POINT
MODE
FURNACE
FAN
2
UP
3
TEMP
ZONE 1
DOWN
ZONE
OFF
4
ON
NOTE:
See Page 7, Items F & G for
additional Special Heat Pump
Features.
™
D. FURNACE MODE OPERATION
(If your vehicle is equipped with a gas furnace connected to the
Comfort Control Center)
1. Momentarily depress and release the MODE push-button until
the FURNACE indicator on the LCD is illuminated.
2. The A/C fan does not operate in the FURNACE mode.
3. Depress and release the UP push-button to increase the
temperature or the DOWN push-button to decrease the desired
temperature. The final selected SET-POINT will be displayed
in the LCD area of the Comfort Control Center.
4. Your Duo-Therm air conditioning system will not operate when
the Comfort Control System is in the FURNACE mode. For
cooling, change the MODE to COOL.
5. If your vehicle contains more than one ZONE, depress the
ZONE push-button to select ZONE 2, and repeat procedures
from Step 1 above. Repeat entire procedure for each additional
zone.
1
Comfort Control
C. HEAT PUMP OPERATION
(To set heating temperatures for vehicles equipped with a DuoTherm rooftop or basement heat pump. To operate cooling mode
with a heat pump, see "B. Cooling Mode Operation", Page 3.)
1. Momentarily depress and release the MODE push-button until
the HEAT PUMP indicator on the LCD is illuminated.
2. If you have not previously set your fan speed, you may do so
by depressing and releasing the FAN push-button to select the
desired fan speed.
3. Depress and release the UP push-button to increase the
temperature or the DOWN push-button to decrease the desired
temperature. The final selected SET-POINT will be displayed
in the LCD area of the Comfort Control Center.
4. After a delay of approximately 2 minutes the heat pump's
compressor will come on and the heating process will begin.
Once the room temperature reaches the selected SET-POINT,
the compressor will cycle off. Once the Comfort Control Center
senses the need for heating, the compressor will restart in
approximately two minutes. At this point, the fan will either:
a. continue to operate in the single selected fan speed or,
b. cycle OFF and ON with the compressor if the AUTO fan
speed has been selected.
5. If your vehicle contains more than one ZONE, depress the
ZONE push-button to select ZONE 2, and repeat procedures
from Step 1 above. Repeat entire procedure for each additional
zone.
ON
E. HEAT STRIP MODE OPERATION
(For Duo-Therm air conditioners with an electric heat strip)
1. Momentarily depress and release the MODE pushbutton until the HEAT STRIP indicator on the LCD is
illuminated.
2. The fan will operate in LOW, MED or AUTO. You will
not be able to select HIGH speed when in the HEAT
STRIP mode. Depress and release the FAN pushbutton to select desired speed. If your vehicle is
equipped with a heat pump or a dual basement air
conditioner system, your selection choice will be
LOW and AUTO.
3. Depress and release the UP push-button to increase
the temperature or the DOWN push-button to decrease the temperature. The final selected SETPOINT will be displayed in the LCD area of the Comfort
Control Center.
4. The electric heat strip will cycle ON and OFF per the
temperature SET-POINT displayed. The fan will either:
a. continue to operate in the selected fan speed or,
b. cycle OFF and ON with the heat strip if the AUTO
fan speed has been selected.
5. If your vehicle contains more than one ZONE, depress
the ZONE push-button to select ZONE 2, and repeat
procedures from Step 1 above. Repeat entire procedure for each additional zone.
Comfort Control
™
1
LOW HIGH
MED AUTO
°F
SET POINT
MODE
72
MODE
FAN
2
UP
3
HEAT STRIP
ZONE 1
TEMP
DOWN
ZONE
OFF
ON
COMFORT CONTROL CENTER
SPECIAL CONTROL FEATURES
4. HEAT STRIP MODE – When HEAT STRIP mode is
selected, the fan will start running in the LOW speed.
5. FAN ONLY MODE – In the FAN ONLY mode, the fan
will start running in the LOW speed.
A. AUTO FAN
When AUTO FAN is selected, the fan speed will be determined by the mode you are in.
1. COOL MODE – In the COOL mode, which is the air
conditioning mode, the fan will automatically select
the speed depending upon the difference between the
temperature SET-POINT and the room temperature.
When that difference is:
8° or more
The fan will operate on HIGH
4° to 8°
The fan will operate on MED
4° or below
The fan will operate on LOW
B. REFRIGERANT COMPRESSOR TIME DELAY
A time delay of approximately two minutes occurs any
time the compressor is required to begin the cooling or
heat pump cycle.
C. POWER INTERRUPTION
In the event that power to the air conditioner or control is
interrupted, the system will restart with the same settings you have previously set.
2. COOL MODE (Heat Pump and Basement units) –
If your vehicle is equipped with a Duo-Therm Heat
Pump or Basement unit, the fan will automatically
select the fan speed depending upon the difference
between the temperature SET-POINT and the room
temperature.
When the difference is:
8° or more
– The fan operates on HIGH
Less than 8°
– The fan operates on LOW
D. ZONE CONTROL
Your Duo-Therm Control Center will operate cooling and
heating appliances which your vehicle manufacturer has
designed to heat or cool different areas (ZONES) of your
RV. The Comfort Control Center will advise you if your
vehicle has multiple ZONES, by showing ZONE 1, 2 3 or
3. HEAT PUMP MODE – When HEAT PUMP mode is
selected, the fan will start running in the LOW speed.
5
Zone Control continued)
™
4 illuminated in the LCD readout. In the event your vehicle
has multiple zones designed, you have the freedom of
selecting the MODE of operation for each zone independently. To change from one zone to another, depress the
ZONE push-button. Each time you depress and release
this push-button, the indicator will change the zone data
displayed. The zone number flashing indicates zone
being programmed. The zone number will flash for
approximately 30 seconds unless another zone is selected or programming has been completed. At this time
the number will stop flashing and the desplay light will go
out.When all zones have been programmed, the zones
in operation will be underlined. To program each zone,
simply repeat the programming steps shown in the
operation section of this manual. Please note: The
Comfort Control Center will prevent operating FURNACE
and COOL or FURNACE and HEAT PUMP at the same
time.
Comfort Control
(D.
LOW HIGH
MED AUTO
°F
SET POINT
72
MODE
FURNACE
MODE
FAN
UP
TEMP
ZONE 1 2 3 4
DOWN
ZONE
PUSH
OFF
E. STAGE CONTROL OPERATION
If your vehicle is equipped with a Duo-Therm Dual
Basement Air Conditioner or a Dual Basement Heat
Pump, you have an air conditioning system that is
designed to optimize comfort and running efficiencies.
(Two units within one compartment). This is accomplished as long as the required electrical power is
available, by providing an on-demand secondary stage of
operation. (NOTE: The primary stage will continue to
operate even if there isn't enough electrical power available to run the second stage.) The Comfort Control
Center simplifies this operation and allows you to set the
primary temperature set-point while the differential temperature set-point which activates the secondary stage
is preset. After turning on your Comfort Control Center,
perform the following steps to set and activate the stage
control operation.
1) Momentarily depress the ZONE push-button to select
stage in the zone desired
2) Momentarily depress the MODE push-button to select
"ON".
3) Momentarily depress the ZONE push-button to select
the zone where stage was selected in Step 1.
4) Momentarily depress the MODE push-button until the
desired mode of operation is selected (FAN ONLY,
COOL or HEAT PUMP).
5) Momentarily depress the FAN push-button until the
desired fan speed is displayed (LOW, HIGH or AUTO).
6) Momentarily depress the UP and DOWN push-button
until the desired room temperature set-point is displayed.
ON
24
Comfort Control
™
LOW HIGH
MED AUTO
MODE
FAN ONLY
MODE
FAN
5
UP
6
TEMP
ZONE 1 2 3 4
STAGE
DOWN
ZONE
13
OFF
6
ON
™
Comfort Control
72
MODE
HEAT PUMP
AUX. HEAT
MODE
FAN
UP
TEMP
DOWN
OFF
™
G. DEFROST CYCLE
This cycle is active during HEAT PUMP operation and allows the
heat pump to operate down to 30°F. When the outside ambient
temperature is less than 42°F and greater than 30°F, a defrost timing
cycle will begin. The defrost timing cycle will allow operation of the
heat pump for 25 minutes. The fan will then be shut off, the refrigerant
flow reversed and run for 4-1/2 minutes, this is the DEFROST cycle.
The refrigerant flow will then be returned to normal and, after a 30
second delay will continue until the temperature is greater than 42°F
or until the temperature becomes less than 30°F, at which time the
furnace will activate. (See AUX. HEAT). During the defrost cycle, the
DEFROST indicator on the LCD shall be illuminated.
LOW HIGH
MED AUTO
°F
SET POINT
ZONE
Comfort Control
F. AUX. HEAT
When in the HEAT PUMP mode, if the outside ambient temperature
is measured to be below 30°F and the vehicle is equipped with a
furnace connected to the Comfort Control Center, the control will
automatically select the FURNACE operation and the HEAT PUMP
will shut down.
Important: If vehicle is not equipped with a furnace no heat
will be available below 30°F. IF vehicle is equipped with a
furnace and it is connected to its own thermostat, it must be
manually turned ON and OFF for operation.
When this happens, the AUX. HEAT and the HEAT PUMP indicators
on the LCD will illuminate. Once the outside ambient temperature is
measured above 38°F, the control will return to the HEAT PUMP
operation and shut down the furnace if it is connected to the Comfort
Control Center. If furnace is not connected to the Comfort Control
Center, the furnace thermostat must be manually turned off.
LOW HIGH
MED AUTO
°F
SET POINT
72
MODE
HEAT PUMP
ON
MODE
FAN
UP
TEMP
DEFROST
DOWN
ZONE
OFF
H. OPTIONAL AUTOMATIC GENERATOR START (AGS)
On vehicles equipped with an optional AGS kit the vehicle generator
will automatically start when any zone calls for cooling and will shut
off when all zones reach set point.
ON
MODE
™
3
Comfort Control
1. Put the power switch in the ON position.
2. Momentarily depress and release the ZONE pushbutton until AGS indicator appears on the LCD.
3. Momentarily depress and release the MODE pushbutton to select AGS status.
FAN
AGS ON
UP
TEMP
ZONE 1
DOWN
ZONE
Important: When shore power is available, AGS must
2
OFF
be switched to the off position.
ON
1
7
GENERAL INFORMATION
A. The ability of the air conditioner to maintain the desired
inside temperature depends on the heat gain of the RV.
Some preventative measures taken by the occupants of
the RV can reduce the heat gain and improve the
performance of the air conditioner. During extremely high
outdoor temperatures, the heat gain of the vehicle may
be reduced by:
1.
2.
3.
4.
responsible for damage caused by condensed moisture
on ceilings or other surfaces. Air contains moisture and
this moisture tends to condense on cold surfaces. When
air enters the RV, condensed moisture may appear on
the ceiling, windows, metal parts, etc. The air conditioner removes this moisture from the air during normal
operation. Keeping doors and windows closed when this
air conditioner is in operation will minimize condensed
moisture on cold surfaces.
Parking the RV in a shaded area.
Using window shades (blinds and/or curtains).
Keeping windows and doors shut or minimizing usage.
Avoiding the use of heat producing appliances.
C. This equipment must be serviced by qualified personnel
and some states require these people to be licensed.
Starting the air conditioner early in the morning and
giving it a "head start" on the expected high outdoor
ambient will greatly improve its ability to maintain the
desired indoor temperature.
B. The manufacturer of this air conditioner will not be
MAINTENANCE
Center™ with a moist, soft cloth. DO NOT use solvents for
cleaning.
AIR FILTER: Periodically remove the return air filter. Wash
the filter with soap and warm water; let dry and then reinstall
or replace as required.
Note: Never run the air conditioner without the return air filter
in place. This may plug the unit evaporator coil with dirt and
may substantially affect the performance of the unit.
Comfort Control Center™: Clean the Comfort Control
SERVICE
If your unit fails to operate or operates improperly, check the
following before calling your service center.
A. If your RV is connected to a motor generator, check to
be sure the motor generator is running and producing
power.
B. If the RV is connected to a power supply by a land line,
check to be sure the line is sized properly to run air
conditioner load and it is plugged into the power supply.
C. Check your 115VAC fuse or circuit breaker to see if it is
open.
D. Check your 12VDC fuse or circuit breaker to see if it is
open.
E. After the above checks, call your local service center for
further help. This unit must be serviced by qualified
service personnel only.
When calling for service, always give the following:
A. Air Conditioner Model Number and Serial Number
found on Rating Plate located on the Base Pan of
the air conditioner.
B. Electronic Control Kit Part Number and Serial
Number found on Rating Plate located on the side
of the Kit.
RETURN AIR GRILLE MUST BE REMOVED FROM
THE RETURN AIR COVER TO VIEW THESE
RATING PLATES.
8
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