Cooling Mode; Start-Up Procedures; Care And Maintenance - Carrier F5M4 Installation Instructions Manual

F5M4: Installation Instructions
Fig. 21 – Wiring Layout of 1-Stage HP Unit with Dehum

Cooling Mode

Thermostat energizes R to G, R to Y, and R to O (heat pump only). G
energizes the fan relay on the PCB which completes the circuit to the
indoor blower motor. When G is de-energized, there is a 90-second delay
before the fan relay opens.

Start-up Procedures

Refer to outdoor unit Installation Instructions for system start-up
instructions and refrigerant charging method details.
CAUTION
!
PRODUCT DAMAGE HAZARD
Failure to follow this caution may result in poor unit performance
and/or product damage.
Never operate unit without a filter. Factory authorized filter kits may be
used when locating the filter inside the unit. For those applications
where access to an internal filter is impractical, a field-supplied filter
must be installed in the return air duct system.

Care and Maintenance

To continue high performance and minimize possible equipment failure,
it is essential that periodic maintenance be performed on this equipment.
Consult your local dealer as to the proper frequency of maintenance
contract.
The ability to properly perform maintenance on this equipment requires
certain mechanical skills and tools. If you do not possess these, contact
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
your dealer for maintenance. The only consumer service recommended
or required is filter replacement or cleaning on a monthly basis.
NOTE: Servicing the blower assembly requires the removal of two
screws that attach the blower housing to the fan deck. It is not necessary
to reinstall of these screws after service.
A230426
11
Fig. 22 – Shipping Screws
A221041A