Rheem RKNN, RKPN, RKQN User Manual

USER’S INFORMATION MANUAL

FORYOUR COMBINATION
GAS HEATING/ELECTRIC COOLING
AIR CONDITIONING UNIT

DO NOT DESTROY. PLEASE READ CAREFULLY AND KEEP IN A SAFE PLACE FOR FUTURE

REFERENCE BY A SERVICEMAN OR USER OF THIS APPLIANCE.

ONDENSER FAN

C

RILLE

G

!

WARNING

IF THE INFORMATION IN THESE
INSTRUCTIONS IS NOT FOLLOWED

EXHAUST OUTLET

COMBUSTION AIR
INLET HOOD

FURNACE CONTROL
ACCESS PANEL

BLOWER
ACCESS
PANEL

HOOD

CONDENSATE
DRAIN

FIELD THERMOSTAT
WIRING ENTRANCE

FIGURE 1. 3-6 TON COMMERCIAL MODELS

GAS SUPPLY
ENTRANCE

CONDENSER
AIR INLET

FIELD WIRING
ENTRANCE

MANUAL RESET
HIGH PRESSURE
CONTROL
(OPTIONAL)

EXACTLY, A FIRE OR EXPLOSION
MAY RESULT, CAUSING PROPERTY
DAMAGE, PERSONAL INJURY OR
DEATH.

!

FOR YOUR SAFETY

— Do not store or use gasoline or other

flammable vapors and liquids, or other
combustible materials in the vicinity of
this or any other appliance.

— WHAT TO DO IF YOU SMELL GAS

• Do not try to light any appliance.

• Do not touch any electrical switch;
do not use any phone in your
building.

• Immediately call your gas supplier
from a neighbor’s phone. Follow the
gas supplier’s instructions.

• If you cannot reach your gas supplier,
call the fire department.

• Do not return to your home until
authorized by the gas supplier or fire
department.

— DO NOT RELY ON SMELL ALONE TO

DETECT LEAKS. DUE TO VARIOUS
FACTORS, YOU MAY NOT BE ABLE
TO SMELL FUEL GASES.

• U.L. recognized fuel gas and CO
detectors are recommended in all
applications, and their installation
should be in accordance with the
manufacturer’s recommendations
and/or local laws, rules, regulations,
or customs

— Installation and service must be

performed by a qualified installer,
service agency or the gas supplier.

SUPERSEDES 92-20802-75-03

92-20802-75-04

INTRODUCTION

Recognize this symbol as an indication of Important Safety Information!

!

This manual contains the operating
instructions for your combination
gas/electric year-round air
conditioner. There are precautions
that should be taken to maximize

atisfaction from this air conditioner.

s

IMPORTANT: COMPLETELY READ
ALL INSTRUCTIONS PRIOR TO
ATTEMPTING TO OPERATE OR
MAINTAIN THE PRODUCT.

his unit has been designed to give

T
you many years of efficient,
dependable comfort. With regular
maintenance, your unit will operate
satisfactorily year after year. Please
read this manual to familiarize
yourself with operation, maintenance
and safety procedures.

SAFETY

Carefully follow these safety rules:

1. The area around the unit must be
kept clear and free of all
combustible materials including
gasoline and other flammable
vapors and liquids.

2. Do not block the combustion air
inlets or the exhaust air outlet
openings. See Figures 1 and 2.

3. Do not operate the unit without
all panels and doors securely in
place.

!

WARNING

SHOULD OVERHEATING OCCUR
OR THE GAS SUPPLY FAIL TO
SHUT OFF, SHUT OFF THE
MANUAL GAS VALVE TO THE
APPLIANCE BEFORE SHUTTING
OFF THE ELECTRICAL SUPPLY.
FAILURE TO DO SO CAN RESULT
IN AN EXPLOSION OR FIRE
CAUSING PROPERTY DAMAGE,
SEVERE PERSONAL INJURY OR
DEATH!

4. Any additions, changes or
conversions required in order for
the unit to satisfactorily meet the
application needs should be
made by a qualified installer,

ervice agency or the gas

s
supplier, using factory specified
or approved parts. Read your
WARRANTY. Contact the
WARRANTOR for conversion
information. The unit was
equipped at the factory for use
on NATURAL GAS ONLY.
Conversion to LP GAS requires a
special kit supplied by the
WARRANTOR.

!

WARNING

OBSTRUCTION OF THE AIR VENT
ON AN LP TANK REGULATOR
CAN CAUSE EXPLOSION OR FIRE
RESULTING IN SERIOUS
PERSONAL INJURY, DEATH OR
PROPERTY DAMAGE.
PERIODICALLY INSPECT AND
CLEAN THE AIR VENT SCREEN
TO PREVENT ANY
OBSTRUCTION. KEEP
PROTECTIVE REGULATOR
COVER IN PLACE, AS EXPOSURE
TO THE ELEMENTS CAN CAUSE
ICE BUILDUP AND REGULATOR
FAILURE.

5. A gas burner needs an adequate
supply of combustion and
ventilation air for proper and safe
operation. Do not block or
obstruct air openings on the unit.
Do not place anything around the
unit that could block the flow of
fresh air to the unit.

6. Do not use this unit if any part
has been under water.
Immediately call a qualified
installer, service agency or the
gas supplier to inspect the unit
and to replace any part of the
control system or any gas control
that has been under water.

!

WARNING

O NOT ALLOW DEBRIS SUCH

D
AS LEAVES, GRASS, WEEDS,
SHRUBS, VINES OR SNOW
ACCUMULATE IN THE AREA
SURROUNDING THE UNIT,
PARTICULARLY IN THE VICINITY
OF THE VENT, AIR INTAKE AND
A/C CONDENSER FINS. DOING
SO CAN RESULT IN INADEQUATE

NIT PERFORMANCE OR CREATE

U
A FIRE HAZARD RESULTING IN
PROPERTY DAMAGE, PERSONAL
INJURY OR DEATH.

7. The combustion air inlet/exhaust
outlet hood and surrounding area
are very hot when operating in
heating mode. Do not allow

children to play on or around
the unit.

SYSTEM OPERATION
INFORMATION

Advice to the Customer

1. Keep the filter clean. Your system
will operate more efficiently and
provide better conditioned air.

2. Arrange your furniture and
drapes so that the supply and
return air registers and grilles are
unobstructed.

3. Close doors and windows. This
will reduce the cooling load on
your system for a more
economical operation.

4. Avoid excessive use of exhaust
fans.

5. Window shades and awnings will
reduce the cooling load.

6. Do not permit the heat generated
by television, lamps or radios to
influence the thermostat
operation.

7. Except for the mounting platform,
keep all combustible articles

2

hree feet from the unit and

t
exhaust system.

8. Unless you plan to remove
panels to service the unit, do not
disconnect the main power to
your unit. This is a safety
precaution for the protection of

he compressor. Otherwise, use

t
the thermostat switches to shut
the system off.

9. For extended periods of
inoperation, set the thermostat
system switch in the “OFF”
position and fan switch in the

AUTO” position.

“

10. Do not allow the unit to become a
play stand for children.

THERMOSTAT OPERATION

We find most air conditioning units
are installed with a single stage
heating and cooling thermostat which
includes a manual heat/cool system
switch and a manual auto/on fan
switch.

For cooling, position the system
switch to
“Auto.” If constant fan operation is
desired, place the fan switch in the
“On” position.

When heating is desired, position the
system switch to “HEAT” and place the
fan switch in the “Auto” position.

During the heating season, the
operation of the warm air furnace is
automatic. Your installing dealer has
provided a wall mounted thermostat
which is sensitive to the change in the
temperature of the air moving around
the thermostat. When the temperature
of the air within the heated space
surrounding the thermostat decreases,
the thermostat switch functions to
initiate the ignition sequence and open
the gas valve.

“Cool” and the fan switch to

he spark ignitor located on the main

T
burner tray will safely ignite the gas
(natural or LP) leaving the main burner
ports. After approximately 30 seconds
of burner operation, the blower control
will start the blower. Warm air should
now gently circulate from the supply
diffusers throughout the dwelling and
return to the furnace through return air

rille(s).

g

When the temperature of the
circulating air reaches the temperature
setting of the thermostat, the gas valve
will reclose, the heat exchanger will
cool, and the blower will shut off after
90 seconds.

In the cooling mode, the compressor
and circulation air motor are energized
upon a call for cooling. When the
thermostat is satisfied or turned to the
“OFF” position, the compressor is de­energized, but the circulation air blower
continues to operate for approximately
60 seconds to extract the residual
cooling left in the cooling coil.

We suggest that you experiment with
constant air circulation during the
heating and cooling cycles. To achieve
this style of operation, place the fan
switch on the thermostat subbase to
the “on” position. You may enjoy the
comfort associated with the continuous
air movement, constant air filtration,
and the near even temperature from
floor to ceiling.

With continuous air circulation, some
condensation on the cooling coil can
reevaporate at the end of each cycle
and cause a buildup of humidity prior
to the next cooling cycle.

SELECTION OF ROOM
TEMPERATURE

It is most important to select the

omfort temperature you desire for

c
either heating or cooling by use of the
thermostat temperature selector.

DO NOT PLAY WITH THE
THERMOSTAT. SET IT AND FORGET
IT.

If the temperature selection procedure
is new to you, ask your installing
contractor to familiarize you with the
operation of the thermostat.

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