6074816-UIM-A-0421
Johnson Controls Ducted Systems 13
SECTION VIII: INSTRUCTING THE USER
Assist the user with processing warranty cards or online registration.
Review the User’s Guide, and provide a copy to the user and guidance
on correct operation and maintenance. Instruct the user how to start,
stop, and adjust the temperature setting.
When applicable, instruct the user that the compressor is equipped with
a crankcase heater to prevent the migration of refrigerant to the com-
pressor during the OFF cycle. The heater is energized only when the
unit is not running. If the main switch is disconnected for long periods of
shut down, do not attempt to start the unit until 8 h after the switch has
been connected. This allows sufficient time for all liquid refrigerant to be
driven out of the compressor.
The installer must also instruct the user on correct operation and main-
tenance of all other system components.
MAINTENANCE
1. Do not allow dirt to accumulate on the outdoor coils or other parts in
the air circuit. Clean as often as necessary to keep the unit clean.
Use a brush, vacuum cleaner attachment, or other suitable means.
2. The outdoor fan motor is permanently lubricated and does not
require periodic oiling.
3. If the coil needs to be cleaned, use clean water to wash dust, dirt,
and debris from outdoor condensing coil.
4. Refer to the furnace or air handler instructions for filter and blower
motor maintenance.
5. The indoor coil and drain pan must be inspected and cleaned
regularly to prevent odors and assure proper drainage.
Figure 19: Thermostat Chart - Single Stage PSC Furnace with Single Stage Air Conditioner
$
NOTICE
Do not use coil cleaners to clean outdoor condensing coil. Cleaners
containing hydrogen fluoride (HF), hydroxides, chlorides, and sulfates
can greatly reduce the lifetime of the micro channel coil.
CAUTION
It is unlawful to knowingly vent, release, or discharge refrigerant into
the open air during repair, service, maintenance, or the final disposal
of this unit.
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