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SAFETY CONSIDERATIONS
Installationandservicing ofthisequipmentcan behazardousdueto
mechanical and electrical components. Only trained and qualified
personnel should install, repair, or service this equipment.
Untrainedpersonnelcanperformbasicmaintenancefunctionssuch
as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on this
equipment, observeprecautions inthe literature,on tags, and on la-
belsattachedto o rshippedwith theunitandothersafetyprecautions
that may apply.
Follow allsafety codes. Installation must be incompliance with lo-
cal and national building codes. Wear safety glasses, protective
clothing, and work gloves. Have fire extinguisher available. Read
these instructions thoroughly and follow all warnings or cautions
included in literature and attached to the unit.
Recognize safety information. This is the safety--alert symbol
!
!
Whenyouseethissymbolontheunitandininstructionsormanuals,
be alert to the potential for personal injury.
Understandthesesignalwords:DANGER,WARNING,andCAU-
TION. These words are used with the safety--alert symbol. DAN-
GER identifies the most serious hazards which will result in severe
personalinjuryor death.WARNING signifieshazards whichcould
resultinpersonalinjuryordeath.CAUTIONisusedtoidentifyun-
safepracticeswhich mayresultinminorpersonalinjuryorproduct
andpropertydamage.NOTEisusedtohighlightsuggestionswhich
will result in enhanced installation, reliability , or operation.
Note:Installer:Thismanualshouldbeleftwiththeequipmentuser.
FIRE, EXPLOSION, ELECTRICAL SHOCK
HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
Installation and servicing of this equipment can be
hazardous due to mechanical and electrical components.
Only trained and qualified personnel should install, repair,
or servicethis equipment.
!
WARNING
FIRE,EXPLOSION,ELECTRICALSHOCKHAZARD
Failureto follow this warning could result in personalinjury,
death or property damage.
Do not use this unit if any part has been under water.
Immediately call a qualified service technician to inspect the
unit and to replace any part of the control system which has
been under water.
!
WARNING
ELECTRICAL SHOCK HAZARD
Failureto follow this warning could result in personalinjury
or death.
Before performing recommended maintenance, be sure the
main power switch to unit is turned off and a lock--out tag is
installed.
!
WARNING
CUT HAZARD
Failure to follow this caution may result in personal injury .
Sheet metalpartsmayhavesharpedges orburrs.Usecareand
wear appropriate protective clothing, safety glasses and
gloves when handling parts and servicing furnaces.
!
CAUTION
OPERATING YOUR UNIT
Theoperationofyour heatpumpsystemiscontrolledby theindoor
thermostat.Yousimplyadjustthethermostatanditmaintainsthein-
door temperature at the level you select. Most thermostats of heat
pump systems have 3 controls: a temperature control selector, a
FANcontrol,andaSYSTEMorMODEcontrol.Refertoyourther-
mostat owner’s manual for more information.
Tobetterprotectyour investmentand toeliminateunnecessary ser-
vice calls, familiarize yourself with the following facts:
1. During heating, increasing the desired temperature setting
morethan 2°F(--17°C) may causethesupplementalheaters
to be turned on for a short period of time t o satisfy the
demand. Needless use of the supplementary heat reduces
potential energy savings.
2. Ice or frost tends to form on the coil during w inter heating
operation. Your unit is designed to automatically melt the
ice. When in this defrost cycle, it is normal for steam or
fog to risefrom theoutdoor unit,and forwater to drain
from the outside ofunit. Do not bealarmed!
To start the unit:
1. Turn on the electrical power supply to unit.
2. Set MODE control to desired mode and select temperature.
To shut off unit:
Note: If the unit is being shut down because of a malfunction, call
your dealer assoon as possible.
1. Set system MODE control to OFF.
2. Turn off the electrical power supply to unit.
Cooling Mode
With the SYSTEM orMODE control set to COOL, yourunit will
run in cooling mode until the indoor temperature is lowered to the
level you have selected. On extremely hot days, your unit will run
for longer periods at a time and haveshorter “off” periods than on
moderate days.
Heating Mode
With the SYSTEM or MODE control set to HEAT, your unit will
runinheatingmodeuntiltheroomtemperatureisraisedtothelevel
you have selected. Of course, yourunit will runfor longerperiods
to maintain a comfortable environment on cooler days and nights
than on moderate ones.
Supplemental Heat
Your unitisyour primaryheating source.Yoursystemmay alsobe
equipped with a supplemental heating source such as electricheat.
Oncolddaysandnights,yoursystemwillautomaticallyturnonthe
supplementalheat,asneeded,inordertomaintainthelevelofcom-
fort you have selected.
When your heat pump needs additional heat to keep you comfort-
able your thermostat will turn on the supplemental heat (if
equipped).
Defrost Mode
Whenyourunitisprovidingheattoyourhomeorofficeandtheout-
doortemperaturedropsbelow45°F(7.2°C),moisturemaybeginto
freezeonthesurfaceofthecoil.Ifallowed tobuildup,thisicewould
impede airflow across the coil and reduce the amount of heat ab-