Honeywell HE240 Installation Instructions Manual page 14

HE240, HE280 HUMIDIFIER AND INSTALLATION KIT

WIRING

CAUTION

Hazardous Voltage.

Can cause personal injury or equipment damage.

Disconnect power supply before installing or servicing equipment.

IMPORTANT

All wiring must comply with applicable local code, ordinances and regulations.

Wire the humidifier solenoid valve, humidistat and transformer. See Fig. 16.

Determine the length of wire necessary to run from the humidifier to the

1.

humidistat. Cut to length and strip the ends appropriately.

Connect the red and white wires to the leads on the humidistat per the wiring

2.

diagram. Use the provided wire nuts to secure the connections.

Taking the opposite end of the wire, connect RED WIRE to one terminal on the

3.

humidifier. Leave the white wire loose at this point.

Using remaining wire, determine length needed to run from humidifier to the

4.

transformer. Cut to length and strip the ends appropriately.

Unplug the transformer. Connect the red and white wires to the transformer by

5.

loosening the screws on the transformer, wrap wire around screw post and then

re-tighten the screws.

Taking the opposite end of the wire, connect the RED WIRE to the open

6.

remaining loose terminal on the humidifier.

Connect the remaining two white wires together using the provided wire nut.

7.

69-2685ES—01

HUMIDIFIER

SOLENOID

6

VALVE

RED

RED

WIRE

WIRE

Fig. 16. Wiring the controls and the HE240.

HUMIDIFIER

SOLENOID

VALVE

RED WIRE

Fig. 17. Wiring the controls and the HE280.

HUMIDISTAT

WIRE NUT

WIRE NUT

2

WHITE WIRE

RED WIRE

TRANSFORMER

1

3

WHITE WIRE

7

RED WIRE

WIRE NUT

4

WHITE WIRE

HUMIDISTAT

WIRE NUT

WIRE NUT

RED WIRE

WHITE WIRE

RED

WIRE

WHITE WIRE

WIRE NUT

RED WIRE

WHITE WIRE

14

5

WHITE WIRE

M33413

TRANSFORMER

WHITE WIRE

M33327