Important Safety Information; About The Heat Pump; Operating Instructions; Cooling Operation - Frigidaire Q4SE Series User's Manual & Installation Instructions

Two stage r-410a single package heat pump
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imPoRTanT SaFeTY inFoRmaTion

Safety markings are used frequently throughout this
manual to designate a degree or level of seriousness and
should not be ignored. waRning indicates a potentially
hazardous situation that if not avoided, could result in
personal injury or death. cauTion indicates a potentially
hazardous situation that if not avoided, may result in minor
or moderate injury or property damage.

abouT THe HeaT PumP

Your heat pump is a unique, all weather comfort-control
appliance that will heat and cool your home year round
and provide energy saving comfort. It's an unknown fact
that heat is always in the air, even when the outside
temperature is below freezing. The heat pump uses this
basic law of physics to provide energy saving heat during
the winter months. For example, If the outdoor temperature
is 47° F (8° C), your heat pump can deliver approximately
3.5 units of heat energy per each unit of electrical energy
used, as compared to a maximum of only 1 unit of heat
energy produced with conventional heating systems.
In colder temperatures, the heat pump performs like an air
conditioner run in reverse. Available heat energy outside
the home is absorbed by the refrigerant and exhausted
inside the home. This efficient process means you only
pay for "moving" the heat from the outdoors to the indoor
area. You do not pay to generate the heat, as is the case
with more traditional furnace designs.
During summer, the heat pump reverses the flow of the
heat-absorbing refrigerant to become an energy-efficient,
central air conditioner. Excess heat energy inside the
home is absorbed by the refrigerant and exhausted
outside the home.
Fan
System
Mode
Mode
Figure 1. Digital Thermostat
uSeR inFoRmaTion
Please refer to the thermostat manufacturer's User manual
for detailed programming instructions.

cooling operation

1. Set the thermostat's system mode to COOL or AUTO
2. Set the temperature selector to the desired

Heating operation

1. Set the thermostat's system mode to HEAT or AUTO
2. Set the temperature selector to the desired

emergency Heat

Some thermostats may include a system mode called EM
HT or AUX HT, etc. This is a back-up heating mode that
should only be used if a problem is suspected. With the
mode set to EM HT, etc., the compressor and outdoor fan
will be locked off and supplemental heat (electric resistance
heating) will be used as a source of heat. Sustained use
of electric resistance heat in place of the heat pump will
result in an increase in electric utility costs.

Defrost operation

During cold weather heating operation, the outdoor unit
will develop a coating of snow and ice on the heat transfer
Temperature
coil. This is normal and the unit will defrost itself. This unit
Selector
features a Demand Defrost board that monitors ambient
and coil temperatures to regulate the defrost function
accordingly.

oPeRaTing inSTRucTionS

and change the fan mode to AUTO. See Figure 1
temperature level. The outdoor fan, compressor, and
blower motor will all cycle on and off to maintain the
indoor temperature at the desired cooling level.
noTe: If the temperature level is re-adjusted, or the
system mode is reset, the fan and compressor in the
outdoor unit may not start immediately. A protective
timer circuit holds the compressor and the outdoor
fan off for approximately three minutes following a
previous operation or the interruption of the main
electrical power.
and change the fan mode to AUTO. See Figure 1.
temperature level. The compressor, outdoor fan, and
blower motor will cycle on and off to maintain the
indoor temperature at the desired heating level.
noTe: If the temperature level is re-adjusted, or the
system mode is reset, the fan and compressor in the
outdoor unit may not start immediately. A protective
timer circuit holds the compressor and the outdoor
fan off for approximately five minutes following a
previous operation or the interruption of the main
electrical power.
3

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This manual is also suitable for:

Q4se-x24Q4se-x36Q4se-x48Q4se-x60

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