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IO-230F 08/04
Quality Makes the Difference!
All of our systems are designed and manufactured with the same high quality standards
regardless of size or efficiency. We have designed these units to significantly reduce the
most frequent causes of product failure. They are simple to service and forgiving to operate.
We use quality materials and components. Finally, every unit is run tested before it leaves
the factory. That’s why we know. . . There’s No Better Quality.
Visit our websites at www.goodmanmfg.com or www.amana-hac.com for information on:
• Products
• Warranties
• Customer Services
• Parts
• Contractor Programs and Training
• Financing Options
© 2003-2004 Goodman Manufacturing Company, L.P.
THERMOSTATS
Note: Second Stage heat can be accomplished by multi-
stage heating thermostat or the addition of an outdoor
thermostat as shown in Figures 12 and 13.
Goodman part number CHT18-60 is a single-stage cool
and single-stage heat thermostat.
Goodman part number HPT18-60 is a single-stage cool,
two-stage heat pump thermostat. The first stage is heat
pump heating and the second stage is optional electric heat.
If additional features are desired, such as digital or
programmable capabilities, these thermostats are
commercially available. Follow the thermostat
manufacturer’s instruction for installation.
START-UP PROCEDURE
• Prior to start-up, ensure that all electrical connections
are properly sized and tightened.
• All panels must be in place and secured. For Air Tight
application, neoprene gasket must be positioned at
prescribed locations to achieve 2% leakage.
• Tubing must be leak free.
• Unit should be elevated, trapped and pitched to allow
for drainage.
• Low voltage wiring is connected.
• Auxiliary drain is installed when necessary and pitched
to allow for drainage.
• Drain pan and drain tubing has been leak checked.
• Return and supply ducts are sealed.
• Unit is elevated when installed in a garage or where
flammable vapors may be present.
• Unit is protected from vehicular or other physical
damage.
• Return air is not obtained from any areas where there
may be objectionable odors, flammable vapors or
products of combustion such as carbon monoxide
(CO), which may cause serious personal injury or
death.
REGULAR MAINTENANCE
WARNING
DISCONNECT ALL POWER SUPPLIES BEFORE
PERFORMING ANY SERVICE. NOTE THAT THERE MAY
BE MORE THAN ONE POWER SUPPLY. FAILURE TO
OBSERVE THIS WARNING CAN RESULT IN ELECTRICAL
SHOCK THAT CAN CAUSE PERSONAL INJURY OR
DEATH.
The only item to be maintained on a regular basis by the
user is the circulating air filter(s). Filter should be cleaned
or replaced regularly. A certified service technician must
perform all other services.