1183508-UUM-B-0915
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Johnson Controls Unitary Products
SOME EFFICIENCY DO’S & DON’TS
DON’T heat or cool unused household area. Reduce supply and return
air flow to a minimum in areas which are not living spaces (storage
rooms, garages, basements, etc).
DON’T be a “thermostat jiggler”. Moving your thermostat setting will not
make your system heat or cool any faster. Adjust your thermostat to a
comfortable setting and leave it there.
DON’T restrict air circulation. Placing furniture, rugs, etc. in such a way
that they interfere with air vents will make your system work harder to
achieve a comfortable temperature level. This requires more energy,
which means greater cost to you.
DON’T locate lamps or other heat-producing appliances (radios, TV’s,
heaters, etc.) near your thermostat. The heat from these items will give
your thermostat “false information” about the temperature in the room.
DO select a comfortable thermostat setting, but keep in mind that mod-
eration in temperature selection will save energy.
DO turn on your kitchen exhaust fan when cooking and your bathroom
exhaust fan when showering. Also, make sure your clothes dryer is
properly vented. If these items are neglected, an excess heat and
humidity condition may be created, causing your air conditioning sys-
tem to run longer.
DO set your thermostat a few degrees lower than normal several hours
before entertaining a large group of people in a relatively small area.
People give off a considerable amount of heat and moisture in a closed
area.
DO keep drapes and venetian blinds closed when practical. These
items provide insulation against heat loss/gain.
DO contact a qualified service person to make repairs or adjustments to
your system. He has been trained to perform this service.
CHARACTERISTICS OF HEAT PUMPS
A CONSTANT HEAT
Heat pumps have a noticeable cooler supply air temperature than fur-
naces. The common practice of over-sizing furnaces contributes to an
“off-and-on again” operation with short blasts of hot supply air. The heat
pump system is sized more closely to the heating needs of your home.
Heat is supplied at a lower temperature over a longer period of time to
provide a more constant heat, and it may give you the impression that
your system “never stops running”.
WATER RUN-OFF
During the heating cycle, in mild weather you may notice water running
off the outdoor coil. Moisture from the air is condensed on the outside
surface of the coil where it gathers and runs off. No need for alarm, your
unit has not sprung a leak!
OUTDOOR COIL DEFROSTING
At certain outdoor conditions (low temperature, high humidity), frost
may build up on the coil of the outdoor unit. In order to maintain heating
efficiency, the system will automatically defrost itself. Steam rising from
the outdoor unit is normal and is an indication of proper operation. The
vapor cloud will only last for a few minutes. When the defrost cycle is
completed, the system will automatically switch back to heating. Auxil-
iary heat is automatically energized to maintain comfort during defrost.
