Operating Instructions; Controls; Off" Position ( ); Cooling Operation (Blue Graphic) - Dometic 489516P series Installation & Operating Instruction

OPERATING INSTRUCTIONS

A.

Controls

1. The Selector Switch has (8) positions including
"OFF". This controls fan speeds, cooling modes
and optional heating modes of operation. See
(FIG. 21).
FIG. 21
Blue Graphic
Cooling
2. The thermostat controls the compressor On/
OFF operation within a temperature range of
approximately 65° F and 90° F measured at the
ADB inlet.
B.

"OFF" Position ( )

1. This is to turn unit off.
C.

Cooling Operation (Blue Graphic)

1. Turn selector switch to cooling (blue graphic).
2. Set the thermostat at the desired temperature
level.
3. Select the fan speed that best satisfies your
needs:
a. HIGH COOL: Selected when maximum cool-
ing and dehumidification required.
b. MEDIUM COOL: Selected when normal or
average cooling required.
c. LOW COOL: Selected when room is at de-
sired comfort level and needs to be main-
tained. Normally this speed used for night
time operation.
 T he compressor will cycle on and off as
cooling is required to maintain the select-
ed temperature level. The fan runs when
the compressor is off to help keep the
temperature uniform throughout the boat.
Black
Graphic Fan
Colder
 Wait at least 2 minutes before
restarting the compressor when it has been
manually cycled off with either the selector
switch or the temperature set lever. Other-
wise, compressor will quick-cycle and could
result in compressor or supply circuit over-
load.
D. Heating Operation (With Electric Heater
Option Installed).
 T he heat mode of operation will NOT replace
a furnace for heating your boat in cold weath-
er. The intent is to remove the chill on cool
days or mornings.
1. Turn the selector switch to "OPT HEAT".
2. The heat strip will come on and begin heating.
3. When desired temperature level in boat is
reached, move the selector switch to "OFF" po-
sition or "FAN" position.
 T hermostat does NOT control the fan/heater
ON/OFF cycle.
E.

Fan Operation (Black Graphic)

 T his will circulate the air in your boat without
cooling or heating.
1. Turn the selector switch to fan (black graphic).
There are three positions to select from (high,
medium and low). See (FIG. 21).
F.

Center Air Discharge

1. Slide lever to open and close. See (FIG. 22).
FIG. 22
11
Slide To Open
Or Close