2
For the location of your nearest distributor consult the white
business pages, the yellow page section of the local telephone
book or contact:
CONSUMER AFFAIRS
GOODMAN MANUFACTURING COMPANY, L.P.
7401 SECURITY WAY
HOUSTON, TEXAS 77040
877-254-4729
NOTE: Information contained in this manual pertains only
to equipment intended for outdoor installation. For addi-
tional information refer to literature packaged with other
system components.
Pre-Installation Instructions
Carefully read all instructions for the installation prior to in-
stalling product. Make sure each step or procedure is under-
stood and any special considerations are taken into account
before starting installation. Assemble all tools, hardware and
supplies needed to complete the installation. Some items may
need to be purchased locally. Make sure everything needed
to install the product is on hand before starting.
INSTALLATION AND OPERATING INFORMATION
FOR UNITS WITH SCROLL COMPRESSORS
Use care when handling scroll compressors. Dome temp-
eratures could be hot.
CAUTION
The following information should be read prior to installing
units with scroll compressors.
1. PUMP DOWN PROCEDURE
CAUTION
2. CRANKCASE HEATER
Heat pump models with scroll compressors may require a
crankcase heater.
3. TIME DELAY COMPONENT
The time delay is located in the low voltage control circuit.
When the compressor shuts off due to thermostat operation
or a power failure, this components keeps the compressor off
for at least 30 seconds which allows the system pressure to
equalize.
4. UNBRAZING SYSTEM COMPONENTS
If the refrigerant charge is removed from a scroll equipped
unit by bleeding the high side only, it is sometimes possible
for the scrolls to seal, preventing pressure equalization through
the compressor. This may leave the low side shell and suc-
tion line tubing pressurized. If a brazing torch is then applied
to the low side while the low side shell and suction line con-
tains pressure, the pressurized refrigerant and oil mixture
could ignite when it escapes and contacts the brazing flame.
To prevent this occurrence , it is important to check both the
high and low side with manifold gauge before unbrazing,
bleed refrigerant from both the high and low side.
IMPORTANT MESSAGE TO OWNER:
These instructions should be carefully read and kept for
future reference. It is suggested that this booklet be saved
for future references. It is addressed to your dealer and
serviceman, but we highly recommend you read it, paying
particular attention to the section titled MAINTENANCE.
The manufacturer assumes no responsibility for equipment
installed in violation of any code or regulation. The manual
will instruct you in the service and care of your unit. Have your
installer go over the manual with you so that you fully under-
stand your air conditioner and how it is intended to function.
The heat pump is a relatively simple device. It operates
exactly as a summer air conditioning unit on the cooling
cycle. Always let the thermostat control system operation.
Do Not try to second guess the thermostat or tamper with it.
If the conditioned area temperature is not suitable, change
the thermostat setting one degree at a time until desired
comfort level is achieved.
A heat pump in the heating mode cannot heat a building as
rapidly as a furnace heats it. It may take a day or two to “pull
down” a cold, moist house when the unit is initially installed
or after prolonged shutdowns.
MAINTENANCE
It is recommended that the outdoor unit be inspected and, if
necessary, cleaned each cooling season. Particular atten-
tion should be given to the air inlet side of the outdoor coil to
insure that leaves, grass, etc., are not being drawn into the
unit. Restriction to air flow across the coil will result in loss of
system capacity, high operating pressures and excessive
operating costs. If the outdoor unit is installed adjacent to a
grassy area, it is suggested that lawn mowers be routed in
such a manner that the discharge of the mower will be di-
rected away from the unit. There must be air filters installed
in the system at some point upstream to the indoor coil. Air
filters should be inspected and, if necessary, replaced and/
or cleaned AT LEAST once a month.
If disposable filters are used, an adequate supply of clean,
unused filters of the correct size should be kept available.
Equipment should never be operated without filters.
Permanent type filters may be vacuumed and/or washed but
should not be reinstalled until thoroughly dry. Most air filters
are marked to indicate the direction of air flow, and this should
be carefully noted when they are being installed. Never turn
a dirty filter to allow air flow in the opposite direction.
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