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Multifunction Unit

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Multifunction Unit

Heater

W(T2) R (T1)

Backup thermostat

Wiring Scheme for Heater

Relay 1 to 10, your choice

R (T1) W(T2)

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Relay 1 to 10, your choice

Multifunction Unit

Heater

W1 R W2

Backup thermostat

R W

Jumper

Wiring Scheme for 2 stages Heater

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Activation Unit V1

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Activation Unit V1

Heater

W(T1) R (T2)

Backup thermostat

R (T1) W(T2)

Connect the “R” or “T1” wire on the right side to avoid damaging the Activation Unit V1 and the heater.

Relay 1, 2, 3 or 4

Make sure to select DRY option by moving the jumper on the bottom two pins of the 3-pin selector located above the white square.

Wiring a furnace to the Activation Unit V1

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Heater

W1 R W2

Backup thermostat

R W

Activation Unit V1

Connect the “R” or “T1” wire on the right side to avoid damaging the Activation Unit V1 and the heater.

Make sure to select DRY option by moving the jumper on the bottom two pins of the 3-pin selector located above the white square.

Wiring a two stages furnace to the Activation Unit V1

Relay 1, 2, 3 or 4.

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Activation unit V2

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Activation Unit V2

Heater

W(T1) R (T2)

Backup thermostat

R (T1) W(T2)

Relay 1, 2, 3 or 4

Wiring a furnace to the Activation Unit V2

Make sure to select DRY option with the selector located at the bottom of the board.

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Heater

W1 R W2

Backup thermostat

R W

Relay 1, 2, 3 or 4

Activation Unit V2

Jumper

Make sure to select DRY option with the selector located at the bottom of the board.

Wiring a two stages furnace to the Activation Unit V2