Hunter 44300 User manual

OwnerÕs Manual
SINCE 1 8 8 6
®
44300/44350

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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.
Table Of Contents
Installation
Operation
Features 6
Remove Old Thermostat 8
Labeling Wires 10
System Selector Switches 14
Connecting Wires and Mounting Thermostat 14
Programming/Setting Clock 16
Personal Program Schedule 20
Reviewing Program Settings 26
Manual Overide 27
Temperature Span 30
Backlighting 30
Filter Monitor 31
Trouble Shooting Guide 32
Typical Wiring Diagrams 34

Read This Before Installing Thermostat
IMPORTANT
1
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
2
All installation is normally performed at your
thermostat.
PROGRAMMING
3
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
4
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
5
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
6
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
and 37°C).
POWER FAILURE
7
Whenever the main power is interrupted or
fails, the battery power retains the programs
and current time.

This thermostat is designed to optimize the use of your heating and cooling equipment. It
does this by matching your comfort (the temperatures in your home) to your schedule.
An example:
6:00 am – You wake up. Program 1 has the heat set to 70° (21°C).
7:30 am – You leave for work. The second program turns the heat back to 62° (17°C)
while you are away.
5:00 pm – You come home. The third program has already warmed your house back
to 70° (21°C).
10:00 pm – You go to bed. A half hour later, program 4 turns the heat back to 64° (18°C)
to save energy while you are under the blankets.
How This Thermostat Works…And Saves You Money
BATTERY WARNING
8
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.

LIGHT
6-7
Features
Manual switch for
turning on heating and
cooling system.
Display backlight for viewing in the dark.
(Feature found only on certain models.)
Manual switch for
automatic or continuous
fan operation.
Battery door for easy access
Soft touch programming
buttons (see below)
Display shows time, day, temperature, program number,
hold, usage and low battery indicator.
Reset button for
resetting computer back
to 12:00 A.M. and
clearing all programs.
Individual
pushbuttons for
raising or lowering
temperature settings.
M T W TH F SA SU
SET TEMP HOLD TEMP
88:88 88
c
AM
PM
HEAT COOL
1234
FILTER LO BAT

Changes the clock
into 12 or 24 hour
(military) mode.
(Model 44300)
HOLD/CLEAR button.
(Model 44350)
For entering minute of day.
For reviewing
and changing
weekday or
weekend
programs
Picks the
day/days for
programs Returns
display to
current
time and
temperature.
Automatically
programs
thermostat for
weekday and
weekend
program
settings.
For entering day of week.
Reviews filter
usage in
hours and
minutes. Also
resets filter
counter to
zero.
For entering hour
of day.
MIN
AUTO
PROGRAM
HOUR
PROG
DAY
FILTER
12/24 HRS
PROG
DAY RETURN

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).
8-9
Installation
What You Need
Remove Old Thermostat

TYPICAL HOME THERMOSTATS
FIGURE 1
Wall Mounting Plate Thermostat Cover
Wall Mounting Plate Thermostat Cover

■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 11.
■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.
10-11
Installation
Label Wires
WGYRH
RC