Hunter 42999 44050S User manual

OwnerÕs Manual

42999/44050

SINCE 1 8 8 6

Other Quality Products from Hunter

Fans

Air Purifiers Humidifiers

Installation

Operation

Table Of Contents

Features 6

Remove Old Thermostat 8

Labeling Wires 10

Connecting Wires and Mounting Thermostat 14

System Selector Switches 14

Start-Up 16

Reviewing Current Temperature Setting 16

Setting New Temperature 17

Filter Monitor 18

Resetting Filter Counter To Zero 19

Temperature Span 19

Backlighting 19

Trouble Shooting 20

Typical Wiring Diagrams 22

We are pleased you have selected one of our broad line of home comfort products. Our

products are manufactured to high quality standards and are designed for years of service.

We hope you will be satisfied and thank you for buying a Hunter product.

Read This Before Installing Thermostat

IMPORTANT

Read the entire installation section of this

Owner’s Manual thoroughly before you begin

to install or operate your Hunter Thermostat.

• Remove the mylar label from the display

window.

INSTALLATION

All installation is normally performed at your

thermostat.

PROGRAMMING

You can practice programming before

installing your thermostat by inserting and

connecting the batteries and following the

instructions on page 14. This can be done while

you relax in your favorite chair and is a very

good way to familiarize yourself with all the

functions of your Hunter Thermostat.

OPERATION

Your Hunter Thermostat is designed to

operate with most gas, oil, electric or 2-wire

hot water heating, and air conditioning systems

that have 24-volt or millivolt control.

This Hunter Thermostat will not control multi-

stage heating or cooling systems, 110/220 V

systems, or 3 wire zone systems.

COMPRESSOR PROTECTION

The thermostat provides a 4-minute delay

after shutting off the compressor before it

can be restarted. This feature will prevent

damage to your air conditioner compressor

caused by rapid cycling. It does not provide a

delay when there are power outages.

TEMPERATURE RANGE

Your thermostat can be programmed between

40°F and 95°F (5°C and 35°C). However, it will

display room temperatures from 32°F to 99°F (0°C

to 37°C).

POWER FAILURE

Whenever the main power is interrupted or

fails, the battery power retains the programs

and current time.

BATTERY WARNING

When the batteries are low the “LOW BATT”

indicator on the display will flash. When this

happens, install new batteries immediately.

Once the “LOW BATT” indicator appears, the

thermostat will continue to operate for

approximately 30 days. (Only alkaline batteries

should be used in your thermostat.

Rechargeable batteries have different properties

which may cause the thermostat to not operate

properly. Do not use old batteries.) The batteries

should last one year.

CAUTION: The batteries are the only source

of power used to operate your system. If you

do not replace the batteries, the display will

dim and your heating and cooling system will

stop operation.

NOTE: If you plan to be away from the

premises over 30 days, we recommend that

you replace the old batteries with new

alkaline batteries prior to leaving.

FILTER

HEAT OFF COOL AUTO FAN RESET

Features (Model 42999)

■Function

Switch

For turning

on heating

and cooling

system.

■Fan ON

and

AUTO

Selector

Switch.

■Reset Button

For resetting

thermostat.

■Easy access battery compartment.

■Easy-To-Read

Digital Display

Liquid crystal

display shows

room

temperature, set

temperature,

filter indicator,

low battery

indicator, heat

and cool system

indicator.

■Unique Filter

Monitor

Automatically

reminds you to

clean or

replace your

heating and air

conditioning

filters.

■For raising

temperature.

■For lowering

temperature.

TEMP

SET TEMP

FILTER

LO BAT

HOLD HEAT COOL

■To reset filter

counter back

to zero.

6-7

Features (Model 44050)

■Function

Switch

For turning

on heating

and cooling

system.

■Fan ON

and AUTO

Selector

Switch.

■Reset Button

For resetting

thermostat.

■Easy access battery compartment.

■Easy-To-Read

Digital Display

Liquid crystal

display shows

room

temperature, set

temperature,

filter indicator,

low battery

indicator, heat

and cool system

indicator.

■Unique Filter

Monitor

Automatically

reminds you to

clean or

replace your

heating and air

conditioning

filters.

■For raising

temperature.

■For lowering

temperature.

TEMP

SET TEMP

FILTER

LO BAT

HOLD HEAT COOL

■Display

backlight for

viewing in

the dark.

■To reset filter

counter back

to zero.

FILTER

LIGHT

HEAT OFF COOL AUTO FAN RESET

8-9

Installation

This thermostat comes with two #8 slotted screws and two wall anchors for mounting. To

install your unit, you should have the following tools and materials.

■Slotted screwdriver ■Electric drill and 3/16" bit

■Hammer ■Two 1.5V (AA) Size Alkaline batteries

CAUTION: Do not remove any wiring from existing thermostat before reading the

instructions carefully. Wires must be labeled prior to removal.

■IMPORTANT! Turn off the power to the furnace at the main power panel or at the furnace.

■Remove existing thermostat cover and thermostat. See Figure 1. Some thermostats will have

screws or other locking devices that must first be removed. Once wall mounting plate is

exposed, look for wires.

■If wires are not visible, they may be connected to the back of the wallplate. Again, look for

screws, tabs, etc. Some models have doors that open to expose wires and mounting screws.

(See Figure 1).

What You Need

Remove Old Thermostat

Wall Mounting Plate Thermostat Cover

TYPICAL HOME THERMOSTATS

FIGURE 1

10-11

Installation

■Each wire coming from the wall to the existing thermostat is connected to a terminal point on

that thermostat. Each of these terminal points is usually marked with a code letter as shown in

Table A on page 9.

■The number of wires in your system can be as few as two (for heat only systems), as many as

eight, or any number in between. If you follow the labeling procedures correctly, you do not

have to be concerned about how many wires there are.

■There is often no terminal marking on the existing thermostat of two wire, heat only systems.

Do not worry, just connect either of the wires to the RH terminal, then connect the other wire

to the W terminal to complete the circuit.

■IMPORTANT! BEFORE DISCONNECTING ANY WIRES, APPLY THE SELF-ADHESIVE LABELS

PROVIDED TO THE WIRE AS SHOWN IN TABLE A ON PAGE 11. (For example, attach the

label marked W to the wire which goes to the W or H terminal on your existing thermostat.)

IGNORE THE COLOR OF THE WIRES since these do not always comply with the standard.

■After labeling wires, disconnect them from the existing

thermostat terminals.

■Remove existing wallplate. To make sure wires do not fall back

into wall opening, you may want to tape them to the wall.

■If hole in wall is larger than necessary for wires, seal this hole so

that no hot or cold air can enter the back of the thermostat

from the wall. This air could cause a false thermostat reading.

Label Wires

WGYRH

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