Dometic 630025.331 Operating Instructions, H.Air Distribution Box Installation, A.Controls

Models: 630025.331

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H.Air Distribution Box Installation

630025.331 Installation Instructions

H.Air Distribution Box Installation

1.Remove the two return air grills and filters.

2.Slide the front end of the air box over the shafts of the thermostat and selector switch. See FIG.13.

FIG. 13

Slide Air Box over Controls

3.Install four screws through legs in air box into the pre-punched holes in the ceiling template.

4.Install the return air grills and filters by simply push- ing them into place.

5.Install the two knobs provided on the ends of the thermostat and selector switch shafts.

6.The power supply to the air conditioner may now be turned “ON”.

7.Your air conditioner is now installed and ready for operation. Please read the following instructions be- fore attempting to run the unit.

OPERATING INSTRUCTIONS

A.Controls

1.The Selector Switch has ten positions including "OFF". This controls fan speed, heating mode, and cooling modes. See FIG. 14.

FIG. 14

 

 

 

 

 

MED

 

 

 

COOL

 

 

HI

LO

 

 

LO

HI

 

FAN

MED

MED

HEAT

 

 

 

HI

LO

 

 

 

OFF

 

 

Selector Switch

2.The thermostat controls the compressor ON/OFF operation in cooling temperature range of 65° to 90°F. See FIG. 15.

FIG. 15

 

 

 

3

4

5

HEAT PUMP

By DOMETIC

 

2

 

 

6

WARM

 

 

COOL

Thermostat

 

 

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.MED COOL: Selected when normal or average cooling required.

c.LOW COOL: Selected when room at desired comfort level and needs to be maintained. Normally this speed used for night time opera- tion.

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.

C.Fan Operation:

1.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. See FIG.14.

D.Heating Operation

NOTE: The heat pump will not replace a furnace for heating your RV in cold weather. The intent is to warm the coach during mild winter weather.

1.Turn the selector switch to:

a.High heat

b.Med heat

c.Low heat

2.Set the thermostat to your comfort level.

3.The fan and compressor will come on and begin heating.

4.When the desired temperature level is reached, the compressor will cycle as required to maintain se- lected temperature. The blower will run continuously to circulate air and maintain an even temperature.

E."OFF" Position

1.This is to turn Unit off.

G.Customer Maintenance

1.Periodically remove the return air filter located above the removable panel in the air box. Wash the filter with soap and warm water, let dry and the reinstall.

Note: Never run the air conditioner without return air filter in place. This may plug the unit evaporator coil with dirt and may substantially affect the performance of the unit.

2.Clean air box housing and control panel with a soft cloth dampened with a mild detergent. Never use furniture polish or scouring powders.

3.The blower motor is Factory lubricated and requires no service under normal use.

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Dometic 630025.331 Operating Instructions, H.Air Distribution Box Installation, A.Controls, B.Cooling Operation