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...
Read This Before Installing Thermostat IMPORTANT This Hunter Thermostat will not control multi- Read the entire installation section of this stage heating or cooling systems, 110/220 V Owner’s Manual thoroughly before you begin systems, or 3 wire zone systems. to install or operate your Hunter Thermostat.
Page 5
BATTERY WARNING CAUTION: The batteries are the only source When the batteries are low, the “LOW BATT” of power used to operate your system. If you indicator on the display will flash. When this do not replace the batteries, the display will happens, install new batteries immediately.
Features M T W TH F SA SU HEAT COOL 88 : 88 88 Display shows time, day, temperature, program number, hold, usage and low battery indicator. SET TEMP HOLD TEMP FILTER LO BAT Individual pushbuttons for Display backlight for viewing in the dark. raising or lowering (Feature found only on certain models.) temperature settings.
Page 7
Automatically Changes the clock Returns programs into 12 or 24 hour display to (military) mode. current thermostat for (Model 44300) time and weekday and weekend temperature. HOLD/CLEAR button. program (Model 44350) settings. Get user manuals: See SafeManuals.com...
Installation What You Need 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 Remove Old Thermostat CAUTION: Do not remove any wiring from existing thermostat before reading the instructions carefully.
Page 9
TYPICAL HOME THERMOSTATS FIGURE 1 Wall Mounting Plate Thermostat Cover Wall Mounting Plate Thermostat Cover Get user manuals: See SafeManuals.com...
Installation 10-11 Label Wires 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.
Page 11
RH, R, This table will help you VR or 4 match the labels to the 24 Volt wires so you can attach them to your Hunter Thermostat. RC, VC 24 Volt Cool BLUE G or F NOTE: Follow the labels...
Page 12
Installation 12-13 Wire Labeling NOTE: If your thermostat has one wire marked R or RH (4-wire system), then leave the jumper wire between the RH and RC terminals. Otherwise, if you have separate RH and RC wires (5-wire system), then remove the jumper wire between the RH and RC terminals.
Page 13
Position wallplate on wall and pull existing wires through large opening. Then level for appearance. Mark holes for plastic anchors provided if existing holes do not line up with Hunter Thermostat holes. Drill holes with 3/16" bit and gently tap anchors into the holes until flush with wall.
Installation 14-15 Selector Switches The heating system selector and the F°/C° selector switches are located on the Printed Circuit Board. Heating system selector The heating system selector is a switch on the Printed Circuit Board on the inside of the thermostat.
Page 15
Be sure to tighten the terminal screws securely, otherwise a loose wire could cause operational problems with your system or thermostat. Push excess wire back into hole to prevent interference with mounting of the thermostat cover. Make sure the Function Switch is set at OFF, and the FAN-AUTO Switch is in AUTO. Insert the bottom tab on the thermostat body into the slot at the bottom of the wallplate.
Programming 16-17 Remove mylar label covering display If power is interrupted the batteries will window. keep all programs. When the heating or cooling system is If “LOW BATT” indicator appears on the actually operating, “HEAT” or “COOL” display replace the batteries. will appear on the display.
Page 17
Press and hold until current hour T W TH F SA SU HEAT COOL 9 : 00 appears on display. HOUR SET TEMP HOLD TEMP FILTER LO BAT Press and hold until current T W TH F SA SU HEAT COOL 9 : I 5 minutes appear on display.
Page 18
Programming 18-19 Typical Suggested Summer and Winter Programs for Maximum Savings Studies conducted by the Department of PROG # TIME TEMP IN F° (C°) Energy estimate that setting your thermostat back 10°F for two 8-hour periods during 5:00AM 68 (20) 78 (25) winter can reduce your fuel bill by as much 7:00AM...
Page 19
NOTE: The thermostat program will NOT When your program becomes effective at take effect immediately after the next time/temperature setting, the programming of your thermostat but at appropriate corresponding program number the next programmed time/temperature will appear on the display. change.
Programming 20-21 Personal Program Schedule Before programming or changing the Use a pencil so you can revise your records program, use this Personal Program Schedule each time you change your temperature to determine which times and temperature settings. settings will best satisfy both your comfort and energy saving requirements.
Page 21
Programming Your Thermostat Your thermostat can be programmed in two PROGRAM different ways. NUMBER TIME TEMP IN F° (C°) 1. Auto-program method HEAT COOL 2. Manual method 5:00AM 68 (20) 78 (25) MON. – Before programming, position the FRI. HEAT/OFF/COOL selector to the mode to be 7:00AM 60 (15) 85 (29) programmed.
Page 22
Programming 22-23 Programming Your Thermostat (Continued) NOTE: 1) The program time is set in 3) When setting PM time, make increments of 15 minutes. sure the “PM” indicator appears on the display. 2) The program temperature is set in increments of 1°F. Press Display Reads Weekday...
Page 23
Press Display Reads Step 4 Press once to change M T W TH F SA SU HEAT COOL 86 : 00 69 temperature to 69°F. Weekday program 1 is complete. SET TEMP HOLD TEMP FILTER LO BAT Press PROG to move to program 2, 3, and 4 and follow the same steps to insert or change time and...
Page 24
Programming 24-25 Individual Day Programming To program for each individual day separately by a different set of programs, first select day by displaying the day of program, then insert the desired times and temperatures. Press Display Reads M to F are selected. M to F will M T W TH F SA SU HEAT COOL...
Page 25
to enter programs PROG HOUR for Monday. T is selected. W TH F SA SU HEAT COOL 80 : 00 68 PROG Similarly SET TEMP HOLD TEMP FILTER LO BAT W is selected. TH F SA SU HEAT COOL 80 : 00 68 PROG SET TEMP HOLD TEMP FILTER...
Programming 26-27 Reviewing Programs You may want to review the programs to see that the settings are compatible with your lifestyle. Normal display of current time, Weekday M T W TH F HEAT COOL 9 : 1 5 7 2 temperature, and day of week.
To Review The Current Temperature Setting: Current time and temperature HEAT COOL M T W TH F 89 : 15 68 SET TEMP HOLD TEMP FILTER LO BAT 70 indicates the current setting of Press M T W TH F SA SU HEAT COOL 86 :...
Page 28
Programming 28-29 Temporary Manual Override In the following example, the present room temperature is 60°F and we want to raise the temperature to 70°F temporarily until the next program. Press arrow to display current M T W TH F SA SU HEAT COOL 89 :...
Page 29
Programming Your Thermostat (Continued) Permanent Manual Override In the event you wish to hold your manual override for vacation or just an extended period of time, follow the temporary manual M T W TH F SA SU HEAT COOL 89 : override instructions on 55 72 HOLD...
Other Features 30-31 Temperature Span Your thermostat is pre-programmed at the 1° above or 1° below the temperature factory to cycle when the temperature rises setting. It cannot be changed. Backlighting (Model 44350 only) Press The display will remain backlit for LIGHT approximately five (5) seconds.
3 to 4 time and temperature. Seconds SET TEMP HOLD TEMP FILTER LO BAT NOTE: Press FILTER RESET to clear the filter counter on Model 44300. The counter is only reset when “FILTER” is displayed. Get user manuals: See SafeManuals.com...
Troubleshooting 32-33 Problem Solution SCRAMBLED OR DOUBLE DISPLAY 1. Remove clear mylar sticker. (numbers over numbers NO DISPLAY 1. Check battery connections and batteries. 2. Press reset button once with a small pin and hold in for two seconds. ENTIRE DISPLAY DIMS 1.
Page 33
HEATING OR COOLING DOES NOT GO 1. Check that function switch is in correct ON OR OFF position (“HEAT” or “COOL”). 2. There may be as much as 20 seconds delay before the system turns on - wait and check. 3.
Wiring Diagrams 34-35 4-wire Heat/Cool System THERMOSTAT Jumper Heat/Cool Heat Relay Cool Transformer Relay or Valve Contactor 5-wire Heat/Cool System THERMOSTAT Cool Heat Heat Relay Cool Transformer Transformer Relay or Valve Contactor Get user manuals: See SafeManuals.com...
Page 35
2-wire Heat Only THERMOSTAT Heat Heat Relay Transformer or Valve 3-wire Heat Only THERMOSTAT Heat Heat Relay Transformer Relay or Valve 3-wire Cool Only THERMOSTAT Cool Cool Transformer Relay Contactor Get user manuals: See SafeManuals.com...