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I
STEP1
STEP2
Fig. 7 - To Shut-off
Unit Electric Cooling
BURNER FLAME
Warranty
Certificate
MAINoN
-[_
STEP3
A07797
BURNER
Your unit has a limited warranty.
Be sure to read the warranty
care-
fully to determine
the coverage
for your unit.
Before you call for service...
...check for several easily-solved
problems.
MANIFOLD
C99021
Fig. 8 - Monoport Burner
6. Inspection
and cleaning of blower wheel housing
and motor.
7. Inspection
of all supply-air
and return-air
ducts for leaks,
obstructions,
and insulation
integrity.
Any problems
found
should be resolved
at this time.
8. Inspection
of the unit base to ensure that no cracks, gaps, etc.,
exist which
may cause a hazardous
condition.
9. Inspection
of the unit casing for signs of deterioration.
10. Inspection
of all electrical wiring
and components
to assure
proper connection.
11. Inspection
for leaks in the refrigerant
circuit. Pressure
check
to determine
appropriate
refrigerant
charge.
12. Operational
check
of
the
unit
to determine
working
conditions.
Repair or adjustment
should be made at this time.
Your servicing
dealer may offer an economical
service contract
that
covers seasonal
inspections.
Ask for further details.
Complete
service instructions
can be found in the unit Installation,
Start-up
and Service Instructions.
If insufficient
heating
or cooling
is suspected:
( ) Check for sufficient
airflow. Check the air filter for dirt. Check
for blocked
return-air
or supply-air
grilles.
Be sure they are open
and unobstructed.
If these checks do not reveal the cause, call your
servicing
dealer.
If your
unit is not operating
at all, check
the following
list for
easy solutions:
(
) Check to be sure that
your thermostat
temperature
selector is
set below
the indoor
temperature
during
the cooling
season
or
above the indoor
temperature
during
heating
season.
Be sure the
SYSTEM
switch or MODE
control is in the COOL or HEAT posi-
tion and not in the OFF position.
(
) If your unit still fails to operate,
call your servicing
dealer for
troubleshooting
and repairs. Specify
the model
and serial numbers
of your unit. (Record
them in this manual
in the space provided.)
If
the dealer knows
exactly
which
unit you have, he may be able to
offer suggestions
over the phone,
or save valuable
time through
knowledgeable
preparation
for the service call.
In Case of Trouble
If you perform
the steps above and unit performance
is still unsatis-
factory,
shut off the unit and call your dealer.
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