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1.
GENERAL INFORMATION
A. The roof top heat pump was designed to operate
in a MILD GEOGRAPHICAL AREA for heating
where the heat loss is minimum. The Heat Pump
will operate down to an outside ambient tempera-
ture of 40 degrees. At 40 degrees, the outdoor
thermostat will turn off the heat pump circuit. As
long as the temperature remains below 40 de-
grees, the main furnace will heat your home. As the
outside temperature increases to 45 degrees, the
outdoor thermostat switches back to the heat
pump circuit.
The advantages of the Heat Pump Air Conditioner
are:
1) User friendly- only one unit for both heating and
cooling.
2) When used in mild climates where the outdoor
temperature range is 40 degrees or higher, an
L.P. furnace is not needed.
3) Heat pump heating uses the campsite electri-
cal hookup; therefore, you save on trips to refill
L.P. tanks.
NOTE: Geographical location usage should be
determined before omitting a central fur-
nace.
B. This air conditioner is designed for:
1) Installation on a recreational vehicle at the time the
vehicle is manufactured or aftermarket installations.
2) Mounting on the roof of a recreational vehicle.
3) Connection to an air distribution box system.
4) Roof construction with rafters/joists on minimum of
16 inch centers.
5) Minimum of 1.75 inches and maximum of 4.50 inches
distance between roof to ceiling of recreational ve-
hicle. Alternate installation methods will allow for
roofs more than 4.50 inches thick.
6) Read installation and operating instructions care-
fully before starting your air conditioner
installation.
7) The Dometic Corporation will not be liable for any
damages or injury incurred due to failure in following
these instructions.
8) Installation must comply with the National Electrical
Code and any State or Local Codes or regulations.
9) DO NOT add any devices or accessories to this air
conditioner except those specifically authorized by
Dometic.
10) This equipment must be serviced by qualified
personnel and some states require these people
to be licensed.
MODEL NO.
Nominal Capacity (BTU/HR)
Electrical Rating
Compressor Rated Load Amps
Fan Motor Rated Load Amps
Compressor Locked Rotor Amps
Fan Motor Locked Rotor Amps
Power, Cooling (KW)
SCFM-High Speed Max./Min.
Refrigerant (R22) oz.
Minimum Wire Size *
Circuit Protection
Installed Weight (Pounds)
Minimum Generator
Size **
*
For distances over 24 ft. consult the National Electrical Code.
The Dometic Corporation gives GENERAL guidelines for generator requirements.
**
These guidelines come from experiences people have had in actual applications.
When sizing the generator, the total power usage must be considered. Also keep in
mind generators lose power at high altitudes and from lack of maintenance.
2. OPERATING INSTRUCTIONS
A.
CONTROLS:
1) The Selector Switch controls fan speed, heating
mode, and cooling modes.
2) The thermostat controls the compressor ON/OFF
operation in a temperature range of 65° to 90°F.
B.
COOLING OPERATION:
1) Set the thermostat at the desired temperature
level.
2) Select the fan speed that best satisfies your needs:
a) HIGH COOL: Selected when maximum cool-
ing and dehumidification required.
b) LOW COOL: Selected when room at desired
comfort level and needs to be maintained.
Normally this speed used for night time opera-
tion.
2
SPECIFICATIONS
59146
15,000
115 VAC, 60 Hz., 1 PH.
12.9
2.5
71.0
12.8
1.95
450/300
34.5
12 AWG Copper Up to 24 ft.
20 Amp Time Delay Fuse or
HACR Circuit Breaker
110
1 Unit
3.5 KW
2 Units
5.0 KW
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