GENERAL INFORMATION,,
OVERVIEW
Your combination
dual fuel heat pump unit is designed to
comfort condition all year long with safe, efficient, trouble-
free operation. It is important that you understand how to
operate and maintain you r unit to keep it operating safely and
efficiently. This manual will acquaint you with these impor-
tant procedures. Familiarize yourself with this manual and
store it in a convenient
location for future reference.
Any additions, changes, or conversions required in order for
the unit to satisfactorily
meet the application needs, should
be made by a qualified product distributor or local service
dealer, using factory specified and approved parts. See
figure 1 for component layout.
Remember these instructions at all times:
•
Never perform any maintenance
procedures until the
electrical power to the unit is turned off.
•
Never perform any maintenance procedures until the gas
valve in gas supply line is turned off.
•
Never remove any panel from the unit while it is ope rating.
•
Never remove panels or parts from the unit that are not
discussed in this manual.
•
Never cover the unit since it is designed to operate year
round.
Your unit is of complex design. To ensure that it performs
safely and give long-lasting service, some of the mainte-
nance work must be performed by a qualified serviceman.
When a serviceman
is referred to in this manual, it is
describing a service technician that
has had special
training or a number of years experience
in servicing
this type of equipment. It is your responsibility to select a
qualified service company that can provide a serviceman of
this caliber.
THERMOSTAT
Room thermostats are delicate temperature-sensing
con-
trols. Their main function is to energize and de-energize the
heating or cooling circuit to maintain the temperature setting
you select.
Many thermostats contain a room thermometer
to indicate
the approximate room temperature, and a temperature scale
at the adjustment indicator to select the desired indoor air
temperature. In addition, most thermostats have a selector
mode switch with Heat, Off and Cool positions, and a fan
switch with On and Auto positions.
HEAT EXCHANGER
COIL
o
o
o
o
o
//
OUTDOOR
COIL
BLOWER
UNIT CONTROL
BOX
FLUE BOX
FURNACE
GAS VALVE
COMBUSTION
FAN BLOWER
PRESSURE
SWITCH
2
Dwg. No.21X660305
P02