Operating instructions

49
The operating instructions can change from one model to
another.
Be sure you are familiar with the proper operating instructions
for the specific model of air conditioner you are diagnosing. An
installation and operating manual is packaged with each air
conditioner system.
1D.1D.
1D.1D.
1D.
MECHANICAL CONTROLSMECHANICAL CONTROLS
MECHANICAL CONTROLSMECHANICAL CONTROLS
MECHANICAL CONTROLS
This type of air conditioner has an air distribution box that has
a mechanical selector switch and thermostat installed in it.
CONTROLSCONTROLS
CONTROLSCONTROLS
CONTROLS:
The Selector Switch has eight positions including "OFF". This
controls fan speed, heating mode and cooling modes.
The Thermostat controls the temperature range from 65°F on
the coldest side to 90°F on the warmest side. In the cooling
mode, the compressor ON/OFF is controlled by the thermostat
setting.
COOLING OPERATIONCOOLING OPERATION
COOLING OPERATIONCOOLING OPERATION
COOLING OPERATION:
Set the thermostat at the desired temperature level.
Select the fan speed that best satisfies your needs.
a.
HIGH COOLHIGH COOL
HIGH COOLHIGH COOL
HIGH COOL: Selected when maximum cooling and
dehumidification is required.
b.
MED. COOLMED. COOL
MED. COOLMED. COOL
MED. COOL: Selected when normal or average
cooling is required.
c.
LOW COOLLOW COOL
LOW COOLLOW COOL
LOW COOL: Selected when room is at desired
comfort level and needs to be maintained. Normally
this speed is used for nighttime operation.
NOTENOTE
NOTENOTE
NOTE: The blower runs continuously to circulate air and
maintain an even temperature. The compressor will come on
as cooling is required to maintain the selected temperature
level.
AFTER SHUTTING THE AIR CONDITIONER DOWN WITHAFTER SHUTTING THE AIR CONDITIONER DOWN WITH
AFTER SHUTTING THE AIR CONDITIONER DOWN WITHAFTER SHUTTING THE AIR CONDITIONER DOWN WITH
AFTER SHUTTING THE AIR CONDITIONER DOWN WITH
EITHER SELECTOR SWITCH OR THERMOSTAT, WAIT ATEITHER SELECTOR SWITCH OR THERMOSTAT, WAIT AT
EITHER SELECTOR SWITCH OR THERMOSTAT, WAIT ATEITHER SELECTOR SWITCH OR THERMOSTAT, WAIT AT
EITHER SELECTOR SWITCH OR THERMOSTAT, WAIT AT
LEAST TWO (2) MINUTES BEFORE RESTARTING. THISLEAST TWO (2) MINUTES BEFORE RESTARTING. THIS
LEAST TWO (2) MINUTES BEFORE RESTARTING. THISLEAST TWO (2) MINUTES BEFORE RESTARTING. THIS
LEAST TWO (2) MINUTES BEFORE RESTARTING. THIS
ALLOWS THE REFRIGERANT PRESSURE TO EQUALIZEALLOWS THE REFRIGERANT PRESSURE TO EQUALIZE
ALLOWS THE REFRIGERANT PRESSURE TO EQUALIZEALLOWS THE REFRIGERANT PRESSURE TO EQUALIZE
ALLOWS THE REFRIGERANT PRESSURE TO EQUALIZE
AND COMPRESSOR TO RESTART EASILY.AND COMPRESSOR TO RESTART EASILY.
AND COMPRESSOR TO RESTART EASILY.AND COMPRESSOR TO RESTART EASILY.
AND COMPRESSOR TO RESTART EASILY.
FAN OPERATIONFAN OPERATION
FAN OPERATIONFAN OPERATION
FAN OPERATION:
This will circulate the air in your RV without cooling or heating.
There are three positions: HIGH FAN, MED. FAN or LOW FAN
to select from, depending upon personal choice.
HEATING OPERATION:HEATING OPERATION:
HEATING OPERATION:HEATING OPERATION:
HEATING OPERATION:
(With Optional Heat Kit Installed)(With Optional Heat Kit Installed)
(With Optional Heat Kit Installed)(With Optional Heat Kit Installed)
(With Optional Heat Kit Installed)
NOTE: This electric heater will not replace a furnace for heating
your RV in cold weather. The intent is to remove the chill on cool
days or mornings.
1. Turn the selector switch to "OPT. HEAT".
2. The heater will come on and begin heating.
3. When desired temperature level in RV is reached, move the
selector switch to off position or fan position. (NOTE:
Thermostat does not control heater ON/OFF cycle.)
"OFF" POSITION"OFF" POSITION
"OFF" POSITION"OFF" POSITION
"OFF" POSITION: This is to turn Unit off.
2D.2D.
2D.2D.
2D.
ELECTRONIC CONTROLSELECTRONIC CONTROLS
ELECTRONIC CONTROLSELECTRONIC CONTROLS
ELECTRONIC CONTROLS
This type of air conditioner has a main board and a control
board that replaces the mechanical switch and thermostat on
the mechanical controlled air conditioner. The control board
can be mounted in the air distribution box or on a wall. The
control board that is mounted on a wall allows the air condi-
tioner to utilize a ceiling duct to distribute the cool air throughout
the structure. NOTE: Remember to check the installation and
operating instructions for the specific model of air conditioner
you are diagnosing.
PRE-WIRED F OR OPT. HEAT
HIGH
MED
LOW
OFF
FAN
COOL
LOW
MED
HIGH
COLDER
by Dometic
SECTION D. OPERATING INSTRUCTIONS