Reznor JS4BD Users Manual Manuale Utente Scaricare il pdf (Pagina 2)

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Fan

Mode

Temperature

Selector

System

Mode



Thissplitsystemcoolingunithasbeendesignedandbuilt

to provide many years of safe and dependable comfort,

providing it is properly installed and maintained. With

regular maintenance, this unit will operate satisfactorily

year after year. Abuse, improper use, and/or improper

maintenance can shorten the life of the appliance and

create unsafe hazards. A regular service and maintenance

schedule should be established to ensure efﬁcient and

safe operation of the unit.

OPERATING INSTRUCTIONS

Thermostat stylesvary.Somemodelsmaynotinclude

theAUTOmodeandotherswillhavetheAUTOinplace

oftheHEAT andCOOL.Othersmayinclude allthree.

Please refer to the thermostat’s User Manual for detailed

programming instructions.

Thethermostatshouldbemountedabout5feetabovethe

ﬂoor on an inside wall and not on an outside wall or other

location where its operation may be adversely affected by

radiant heat from ﬁreplaces, sunlight, or lighting ﬁxtures,

and convective heat from warm air registers or electrical

appliances.

Cooling Operation

1. Setthethermostat’ssystemmodetoCOOLorAUTO

andchangethefanmodetoAUTO.SeeFigure1.

2. Set the temperature selector to the desired

temperaturelevel.Theoutdoorfan,compressor,and

blower motor will all cycle on and off to maintain the

indoor temperature at the desired cooling level.

NOTE: If the temperature level is re-adjusted, or the

system mode is reset, the fan and compressor in the

outdoor unit may not start immediately. A protective

timer circuit holds the compressor and the outdoor fan

offforapproximately5minutesfollowingaprevious

operation or the interruption of the main electrical

power.

Heating Operation

1. Setthethermostat’ssystemmodetoHEATorAUTO

andchangethefanmodetoAUTO.SeeFigure1.

2. Set the temperature selector to the desired

temperature level.The optional heating equipment

(furnace or electric heat) will cycle on & off to maintain

the indoor temperature at the desired heating level.

Operating the AC for Automatic Cooling &

Heating

1. SetthethermostatsystemmodetoAUTOandthe

thermostatfanmodetoAUTO.SeeFigure1.

2. Set the thermostat temperature selector to the

desired temperature level. The thermostat will

maintain the desired temperature level by switching

between either the outdoor cooling unit or the indoor

heating unit (furnace or electric heat) automatically.

Operating the Indoor Blower Continuously

Thecontinuousindoorbloweroperationistypicallyused

to circulate the indoor air to equalize a temperature

unbalance due to solar loads, increased occupancy loads,

or mechanical equipment operation. Set the thermostat

fan mode to ON (Figure 1). The indoor blower starts

immediately, and will run continually until the fan mode

isresettoAUTO.

NOTE:Thecontinuousindoorbloweroperationcanbe

obtained with the thermostat system mode set in any

position,includingOFF.

Turning the Air conditioner Off

Changethethermostat’ssystemmodetoOFFandthefan

modetoAUTO(SeeFigure1).NOTE:Thesystemwillnot

operate, regardless of the temperature selector setting.

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