Carrier 58HDV installation instructions Two-Stage

Page 51

TWO-STAGE	TSIB NOTE 5
THERMOSTAT

OPTIONAL DEHUMIDISTAT If no DEHUM from thermostat available

1

2

Connect 1 to Y1 for 2-

stage AC-HP applications.

OR Connect 1 to Y/Y2 for

1-stage AC- HP

applications

Y1		Y1
		O	SINGLE STAGE
		NOTE 11	SINGLE STAGE
		VS FURNACE	AIR CONDITIONER
		VS FURNACE
		CONTROL
W2		W2
W2		NOTE 7
		NOTE 7
W1		W1
Y2		Y/Y2	Y
G		G
R		R
DEHUM	NOTE 3, 9, 10	DEHUM
C		COM	C
		24V HUM
			OPTIONAL
			HUMIDIFIER
HUM			24V in
			COM

58HDV

NOTE 2

A09204

Fig. 59 - Two-Stage Thermostat with Variable Speed Furnace Models

and Single-Stage Air Conditioner

THERMOSTAT

TSIB NOTE 5

OPTIONAL

DEHUMIDISTAT

If no DEHUM from thermostat available

1

2

Connect 1 to Y1 for 2-

stage AC-HP applications.

OR Connect 1 to Y/Y2 for

1-stage AC- HP

applications

Y1		Y1
		O	TWO-STAGE
		NOTE 11	TWO-STAGE
		VS FURNACE	AIR CONDITIONER
		VS FURNACE
		CONTROL
W2		W2	Y1
W1		W1
Y2		Y/Y2	Y2
G		G
R		R
DEHUM	NOTE 3, 9, 10	DEHUM
C		COM	C
		24V HUM
			OPTIONAL
			HUMIDIFIER
HUM			24V in
			COM

NOTE 2

A09205

Fig. 60 - Two-Stage Thermostat with Variable Speed Furnace and Two-Stage Air Conditioner

and Single-Stage Air Conditioner

51

Image 51

Contents Installation Instructions Required Notice for Massachusetts Installations Furnace Reliability Hazard CUT HazardFIRE, EXPLOSION, and Asphyxiation Hazard Frozen Water Pipe Hazard Winter ShutdownWater Damage to Property Hazard Carbon Monoxide Poisoning Hazard Installation PositionsInstallation Requirements Location and ClearancesLeveling Furnace Installation ConsiderationsHorizontal Furnace Installation Condensate Trap and Drain LinesDimensions and Clearances Air Openings and Connecting Ducts Knock OutsOutdoor Combustion Air Method Requirements Confined Space InstallationIndoor Combustion Air Unconfined Space Ventilation Air Venting and Combustion Air CheckMake the Following Check For Two Pipe Installation Direct Vent Dual Certified Direct or Non- Direct VentContaminated Combustion Air Sizing Combustion Air and Vent Pipe Combustion Air and Vent Piping Insulation GuidelinesSingle Piping only Vent Termination ClearancesDirect Vent Termination Clearance Other than Direct Vent Termination Clearance Frozen and Burst Water Pipe Hazard Condensate Drain TrapOnly Upflow Installations Top Vent See FigSide View Upflow Installations Vent through Left-Side See FigPVC All Models Vent through Right-Side See FigExhaust Downflow Left-Side Vent and Trap See FigDownflow Right-Side Vent and Trap Downflow Right-Side Vent and Trap See FigExhaust Horizontal Left through Top See FigInlet Horizontal Left-Side Vent See FigHorizontal Right through Top Horizontal Right through Top See FigExhaust Horizontal Right-Side Vent See FigConnecting Vent and Combustion Air Piping Combustion Air Pipe Connection Direct VentVent Pipe Connection Connecting Vent Pipes and Termination Joining Pipe and FittingsHorizontal Termination Multi Vent Termination Clearances Using Exterior RisersVertical Termination Vent Termination ShieldingConcentric Vent and Combustion-Air Concentric Vent Termination Vertical & Horizontal TerminationCarbon Monoxide POISONING, Fire and Explosion Hazard 40,000, 50,000, 60,000, & 75,000 Btuh Furnaces Fire Hazard Gas Piping RequirementsGas Supply Requirements Fire and Explosion HazardTypical Gas Piping for Upflow Electrical Operation HazardAdditional Propane Connection Requirements High Altitude Air Pressure SwitchPropane Conversion General Derating RulesElectrical SHOCK, Fire or Explosion Hazard Changing Orifices for High AltitudeThermostat Heating Power Supply WiringFinal Gas Piping Check Junction Box J- Box RelocationTap Select Interface Board CoolingOptional Equipment Furnace Control FuseInsulation InstallationConnections SizingFilter Installation using Filter Rack FiltersAddition Of Air Conditioning Subbase for Combustible Floor Combustible Floor InstallationManifold Gas Pressure Adjustments StartupGas Supply Pressure Temperature Rise Check Natural Gas Input Rating CheckMain Burner Flame Check Changing Blower Speed Blower AdjustmentsContinuous- Fan using G Hard Wired Continuous Fan OperationOn = OFF = Low Cooling Y1 Request High Cooling Y1 & Y/Y2 or Y/Y2 RequestContinuous Circulating Fan G Request Heating Request with Gas Shut Off Furnace Control Board Diagnostic Codes See FigWiring Diagram Thermostat Wiring Guide No Connection SINGLE-STAGE Thermostat TWO-STAGE Catalog No 58HDV---01SI