1 of 9

Multifunction Unit

2 of 9

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

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Multifunction Unit

Heater

W1 R W2

Backup thermostat

R W

Jumper

Wiring Scheme for 2 stages Heater

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4 of 9

Activation Unit V1

5 of 9

Activation Unit V1

Heater

W(T1) R (T2)

Backup thermostat

R (T1) W(T2)

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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

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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.

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Wiring a furnace to the Activation Unit V1

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Heater

W1 R W2

Backup thermostat

R W

Activation Unit V1

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

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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

8 of 9

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

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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

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Activation Unit V2

Jumper

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

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Wiring a two stages furnace to the Activation Unit V2

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