Reznor R6GF Users Manual Manual de usuario descargar pdf (Pagina 4)

ABOUT THE HEAT PUMP

(DualFuelModelsOnly)

Yourheatpumpisaunique,allweathercomfort-controlappliance

that will heat and cool your building year round and provide

energy saving comfort. It’s an unknown fact that heat is always

in the air, even when the outside temperature is below freezing.

Theheatpumpusesthisbasiclawofphysicstoprovideenergy

saving heat during the winter months.

In colder temperatures, the heat pump performs like an air

conditionerruninreverse.Availableheatenergyoutsidethe

building is absorbed by the refrigerant and exhausted inside.

Thisefcientprocessmeansyouonlypayfor“moving”theheat

fromtheoutdoorstotheindoorarea.Youdonotpaytogenerate

the heat, as is the case with more traditional furnace designs.

During summer, the heat pump reverses the ﬂow of the heat-

absorbing refrigerant to become an energy-efﬁcient, central air

conditioner. Excess heat energy inside the home is absorbed

by the refrigerant and exhausted outside the building.

OPERATING INSTRUCTIONS

Athermostatwithfossilfuelback-upheatcapabilityisrequired

to operate the Dual Fuel iHybrid™ heat pump system. The

thermostatshouldbemountedabout5feetabovetheoor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.

Thermostatstylesvary.Somemodelswill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.

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.

CoolingOperation(1or2StageOperation)

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

fanmodetoAUTO.SeeFigure1.

2. Set the thermostat temperature selector to the desired

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

indoor blower will all cycle on and off to maintain the indoor

temperature at the desired cooling level.

NOTE: If Stage 1 cool does not satisfy the thermostat demand,

stage2coolwillenergize.Theoutdoorcompressorandindoor

blower will ramp to high speed.

HeatingOperation-HeatPumpMode

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

changethefanmodetoAUTO.SeeFigure1(pg3).

2. Set the temperature selector to the desired temperature level.

The compressor, outdoor fan, and blower motorwillcycle

on and off to maintain the indoor temperature at the desired

heating level.

NOTES:

• If Stage 1 heat does not satisfy the thermostat demand, stage

2 heat will energize. The outdoor compressor and indoor

blower will ramp to high speed.

•

Onsomethermostats,iftheheatingloadontheconditioned

space is not met in a normal period of time or the difference

between the thermostat set point and room temperature is

large, the heat pump will automatically shut off and the gas

heat will operate until the thermostat demand for heat is met.

EmergencyHeat-GasHeatmode

HeatpumpthermostatsincludeasystemmodecalledEMHTor

AUXHT,etc.Thisisaback-upheatingmodethatshouldonly

beusedifaproblemissuspected.WiththemodesettoEMHT,

etc., the compressor and outdoor fan will be locked off and the

gas furnace will be used as a source of heat. Sustained use of

gas heat in place of the heat pump will result in an increase in

thisutilitycost.Refertothethermostatmanualformoreinfo.

DefrostOperation

During cold weather heating operation, the outdoor unit will

develop a coating of snow and ice on the heat transfer coil.

Thisisnormalandtheunitwilldefrostitself.Thisunitfeatures

Demand Defrost that monitors ambient and coil temperatures

to regulate the defrost function accordingly.

Atthebeginningofthedefrostcycle,boththeoutdoorcondenser

fanandcompressorwillturnoff.Afterapproximately30seconds,

the compressor will turn on and begin to heat the outdoor coil

causing the ice and snow to melt.

During the defrost period, the gas funace will energize and

produce warm air to offset the heat pump operation while in its

reverse cycle. Initially the air out of the supply registers may

be slightly cooler since the heat pump has reversed its cycle

and is now in the cooling mode to aide in the defrosting of the

outdoorcoil.Theairwillriseintemperatureasthegasfurnace

continues to operate and the blower speed increases.

NOTE:

Whiletheiceandsnowismelting,somesteammay

rise from the outdoor unit as the warm coil causes the melting

frost to evaporate. When defrost is completed, the outdoor

fan motor will start, and the compressor will turn off again. In

approximately30secondsthecompressorwillstartupagain

andcontinuenormaloperation.Thegasheatwillshutdownat

the end of the defrost cycle.

AutomaticHeatPumpOperation(Cooling&Heating)

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

fanmodetoAUTO.SeeFigure1(page3).

2. Set the thermostat’s temperature selector to the desired

heatingandcoolingtemperaturelevel(s).Theoutdoorunitand

the indoor blower will then cycle on and off in either the heating

or cooling mode of operation as required to automatically

maintain the indoor temperature within the desired limits.

ContinuousIndoorBlowerOperation

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

circulate the indoor air to equalize a temperature imbalance

due to a solar load, cooking, or ﬁreplace operation.

Set

thethermostatfanmodetoON(seeFigure1).Theindoor

blower will start immediately and will run continually until the fan

switchisresettoAUTO.NOTE:Onsomethermostatmodels

the setting may be called CONT. Continuous indoor blower

operation can be obtained with the thermostat system switch

setinanyposition,includingOFF.

SystemShutdown

SetthethermostatsystemmodetoOFFandthethermostatfan

modetoAUTO.SeeFigure1.NOTE:Thesystemwillnotoperate,

regardless of the thermostat temperature selector’s setting.

DUAL FUEL UNITS - GAS HEAT / ELECTRIC HEAT PUMP

1 2 3 4 5 6 7 8

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