Hunter 40170 User manual

Electronic/Mechanical

ermostat

Model 40170

installation and

operation manual

42998-01 01-19-2007

2

3

Table of Contents

Important Information.................................................. 5

Tools ............................................................................ 6

Uninstalling the Existing Unit ...................................... 9

Installing the Thermostat ........................................... 13

installing the wall plate .................................... 15

connecting the wires ........................................ 17

attaching the thermostat .................................. 19

Operation ................................................................... 23

Indicators & Adjustments ........................................... 25

Troubleshooting ......................................................... 28

Wiring Diagrams ........................................................ 30

4

Congratulations!

Thank you for choosing a Hunter thermostat. Your new

Hunter thermostat will provide years of reliable service

and year-round energy savings.

Please read this manual before beginning installation

and save this booklet for complete operation instructions.

Electronic/Mechanical

Thermostat

Model 40170

5

This thermostat is designed to work on the following

heating and cooling systems:

Gas – Standing Pilot

Gas – Electronic Ignition

Gas – Fired Boilers

Gas – Millivolt Systems

Oil – Fired Boilers

Oil – Fired Furnace

Electric Furnace

Electric Air Conditioning

Single-stage Heat Pump Systems

This thermostat is not designed for Multi-stage heat pump

systems or 110/220 V baseboard heating systems.

If you are unsure what kind of heating and cooling system

you have, please contact a qualiﬁed HVAC Technician for

assistance.

IMPORTANT INFORMATION

6

This thermostat includes two #8 slotted screws and two

wall anchors for mounting.

To install your new thermostat, you will need the

following supplies:

Flat-head screwdriver

.............................................................................................

Small Phillips-head screwdriver

.............................................................................................

Hammer

.............................................................................................

Electric drill and 3/16” bit

.............................................................................................

Two fresh 1.5 Volt (AA) size alkaline batteries

.............................................................................................

TOOLS

7

NOTICE! Do not disconnect the wires

from the existing thermostat before

reading these instructions. The wires

must be labeled prior to removal to

ensure proper reconnection.

8

UNINSTALLING THE EXISTING UNIT

Y

RC

G

W

Y

RC

G

W

9

1. Turn the system power OFF from the existing

thermostat. Turn the power to the HVAC system OFF

at the main power panel or at the furnace.

2. Remove the existing thermostat cover to access the

wires from the wall.

(Some thermostats may have multiple covers, screws or other

locking devices that must be removed or disengaged.)

3. Locate, but do not disconnect the wires.

(If wires are not visible, they may be connected to the back of the

wall plate. Some models may have doors that open to expose the

wires and mounting screws.)

UNINSTALLING THE EXISTING UNIT

10

UNINSTALLING THE EXISTING UNIT, CONT.

if your existing

thermostat is marked...

label the wire

with this sticker:

G / F

G

G

W / H

W

W

Y / C* / M

Y

Y

RC / VC

RC

RC

RH / R / VR / 4

RH

RH

24 Volt

24 Volt cool

air conditioning

compressor

heating

fan

O

O

O

reversing valve

cool

B

B

B

reversing valve

heat

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