DOMETIC 3313192.XXX Single Zone LCD Thermostat Instruction Manual
Low Ambient Heat Pump Lock Out
All heat pumps are constrained to operation at a temperature range
that is determined by outside conditions. Since all heat pumps lose
their efficiency at low outside ambient temperatures, the Dometic
heat pump has a lock out feature that prevents heat pump mode
of operation when temperatures fall below 30 °F. If you have the
system set in the Auto Mode the fan will be turned OFF. Only the
fan will remain ON if the fan setting is set at Low or High, however
the compressor will not run and there will be no heat function below
30 °F.
Power Interruption
In the event the power to the air conditioner or control is interrupted,
the system will restart with the previous set points once power is
restored.
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.
Error Code:
E1 Loss of communication between the Single Zone LCD thermostat and the mod-
ule board. LCD will cycle between E1 and the previous mode setting. System
will shut down.
E2 Open circuit or out of range Indoor Temperature Sensor. Heating and cooling
operation will be locked out. Fan operation can continue to operate.
E3 Shorted Indoor Temperature Sensor. Heating and cooling operation will be
locked out. Fan operation can continue to operate.
E4 Open circuit or out of range Outdoor Temperature Sensor (select models). Heat
Pump operation will be locked out. Air Conditioner, Fan and Furnace operation
can continue to operate.
E5 Open circuit or out of range Freeze Sensor. Air conditioner mode of operation
will be locked out. Furnace, heat strip, heat pump and fan mode of operation can
continue to operate but displays the last temperature set-point.
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General Information
A. The ability of the air conditioner to maintain the desired inside tempera-
ture 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. Parking the RV in a shaded area
2. Using window shades (blinds and/or curtains)
3. Keeping windows and doors shut or minimizing usage
4. Avoiding the use of heat producing appliances
Operation on High Fan/Cooling mode will give optimum or maximum
efficiency in high humidity or high outside temperatures.
Starting the air conditioner early in the morning and giving it a "head
start"ontheexpectedhighoutdoorambientwillgreatlyimproveitsability
to maintain the desired indoor temperature.
Foramorepermanentsolutiontohighheatgain,accessorieslikeDometic
outdoor patio and window awnings will reduce heat gain by removing
the direct sun. They also add a nice area to enjoy company during the
cool of the evening.
B. The manufacturer of this air conditioner will not be responsible for dam-
age 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. During normal operation, this unit removes
moisture from the air. Keeping doors and windows closed when this air
conditioner is in operation will minimize condensed moisture on cold
surfaces.
Maintenance
Air Filter - Periodically (a minimum of every 2 weeks of operation) remove
the return air filter located behind the return air grille and wash the filter with
soap and warm water, let dry, and then reinstall. NEVER run the air condi-
tioner without the air filter in place. This will plug the unit evaporator coil with
dirt and may substantially degrade the performance of the unit over time.
Dometic Single Zone LCD thermostat: Clean the Single Zone LCD ther-
mostat with a moist soft cloth. DO NOT spray water directly on the Single
Zone LCD thermostat. DO NOT use solvents for cleaning.
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| General | Details |
|---|---|
| Name | DOMETIC 3313192.XXX Single Zone LCD Thermostat Instruction Manual |
| Make | Dometic |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.22 MB |
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