Checking Out The System; Operation; Maintenance; Cleaning The Air Filter - Dometic FreshJet3 Series Installation Manual

Rooftop Air Conditioner (Air Distribution Box, Wall Thermostat Controls)
e. Continue to "Checking out the system" on
page 25).

9 .2 Checking out the system

I See the thermostat operating instructions for
details.
1. Verify the system features function properly.
2. Verify the operation of all applicable modes,
including: Auto, Cool, Fan, and Heat.
3. If a feature does not work correctly:
a. Disconnect the 120 VAC and 12 VDC power
supplies.
b. Verify all the wiring is correct and the correct DIP
switches are set to the On position.
c. Perform a system reset.

10 Operation

See the operating instructions for your thermostat model
to learn how to use the thermostat.

11 Maintenance

This section describes routine activities to maintain
properly-working system components.

11 .1 Cleaning the air filter

NOTICE: Never run the unit without the return air
filter in place. Otherwise, dirt will accumulate and may
substantially degrade the performance of the unit over
time.
This section describes how to maintain a clean air filter.
1. Periodically (or at a minimum of every two weeks of
operation) remove the return air filter located behind
the return air vent grille and wash it with soap and
warm water.
2. Let the return air filter dry completely before placing
the return air filter back into position.
EN

11 .2 Cleaning the ADB

NOTICE: Never use furniture polish or scouring
powders to clean the outside shell of the ADB.
Clean the outside shell of the ADB with a soft cloth
dampened with a water and mild detergent solution.

11 .3 Servicing the blower

The blower motor in the rooftop component is factory-
lubricated and requires no service.
Operation
25