High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained Air Conditioner with No Heat

24 Volt+

Fan Only Operation

Common

Cooling

17Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

Y

Y

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained Air Conditioner with Single Stage Electric Heat

24 Volt+

Fan Only Operation

Common

Cooling

Heat

18Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

Y

Y

W1

W1

W1

Thermostat, 2 stage cool

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained Two-stage Air Conditioner with Single Stage Electric Heat

24 Volt+

Fan Only Operation

Common

Stage 1 Cooling

Stage 2 Cooling

Heat

19Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

Y1

Y2

Y1

Y2

Y1

Y2

Thermostat, 2 stage heat

Jumper

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self Contained Air Conditioner with Two-Stage Electric Heat

24 Volt+

Fan Only Operation

Common

Stage 1 Heat

Stage 2 Heat

Cooling

20Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire. *You can make an optional jumper at W1 and W2 for single stage heat.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

Y

W1

Y

W1

Y

W1*

Thermostat, 2 stage heat, 2 stage cool

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained, Two Stage Air Conditioner with Two Stage Electric Heat

24 Volt+

Fan Only Operation

Common

Stage 1 Heat

Stage 2 Heat

Stage 1 Cool

Stage 2 Cool

21Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

W1

W1

W1

Y1

Y2

Y1

Y2

Y1

Y2

High Voltage

1(800) 865-5931www.alpinehomeair.com

Two Stage Self-Contained Heat Pump with No Backup (AUX) Heat Control Wiring

24 Volt+

Fan Only Operation

Common

Reversing Valve

Stage 1 Cool/Heat

Stage 2 Cool/Heat

22Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

O

O

RHJumper

ORC

Self-Contained Unit

Y2

Y2

Y2

Y1

Y1

Y1

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained Heat Pump with Two Stage Backup (AUX) Heat

24 Volt+

Fan Only Operation

Common

23Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

O

O

RC

RHJumper

O

AUX/E

Y

AUX/E

Jumper

Self-Contained Unit

Y1

W1

Electric Backup Heat

Reversing Valve (cooling)

Cooling/Heating

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained Heat Pump with Single Stage Backup (AUX) Heat

24 Volt+

Fan Only Operation

Common

Cooling/Heating

Electric Backup Heat

Reversing Valve (cooling)

24Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

O

RC

RHJumper

AUX/E

O

Y

AUX/E

O

W1

Standard Thermostat

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained, Single Stage Gas Furnace with Single Stage Cooling (Gas Pack)

24 Volt+

Fan Only Operation

Common

Heat

Cooling

25Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

W1

Y

Y

Y

Thermostat, 2 stage heat, 2 stage cool

High Voltage

1(800) 865-5931www.alpinehomeair.com

Self-Contained, Two Stage Gas Furnace With Two Stage Cooling (Gas Pack)

24 Volt+

Fan Only Operation

Common

Stage 1 Heat

Stage 2 Heat

Stage 1 Cool

Stage 2 Cool

26Some AC Systems will have a blue wire with a pink stripe in place of the yellow or Y wire.

This diagram is to be used as reference for the low voltage control wiring of your heating and AC system. Always refer to your thermostat or equipment

installation guides to verify proper wiring.

NOTE

W1

W1

W1

Y1

Y2

Y1

Y2

Y1

Y2