Installation Guide

Step 9: Set the jumpers on the back of your Thermostat

The

Accessory (ACC) wires are used to power devices such as humidifier or

dehumidifier

. If your system does not have any ACC wires, you can leave the

black jumper in either position.

If your system has two ACC wires with an

H wire, set the jumpers as illustrated. This

is the default position.

If your system has two ACC wires without an

H wire, set the jumpers as illustrated.

If your system has one

ACC wire with an RH

wire, set the jumpers as illustrated.

If your system has one

ACC wire without an

H wire, set the jumpers as illustrated.

1 ACC wire

without

H wire

1 ACC wire

with R

H wire

2 ACC wires

without R

H wire

2 ACC wires

with RH Wire

(Default position)

Note : If there is no ACC wire, the black jumper can be in

either position.

Jumper Position for Accessory & RH Wire

ACC wire

H wire