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®
SINCE 1 8 8 6
42999/44050
OwnerÕs Manual
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Other Quality Products from Hunter Fans Air Purifiers Humidifiers
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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 Features 6 Remove Old Thermostat 8 Labeling Wires 10 Connecting Wires and Mounting Thermostat 14 System Selector Switches 14 Operation Start-Up 16 Reviewing Current Temperature Setting 16 Setting New Temperature 17 Filte
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Read This Before Installing Thermostat IMPORTANT OPERATION Read the entire installation section of this Your Hunter Thermostat is designed to 1Owner’s Manual thoroughly before you begin 4operate with most gas, oil, electric or 2-wire to install or operate your Hunter Thermostat. hot water heating, and air conditioning systems that have 24-volt or millivolt control. • Remove the mylar label from the display window. This Hunter Thermostat will not control multi- stage heating or cooling systems, 1
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TEMPERATURE RANGE BATTERY WARNING Your thermostat can be programmed between When the batteries are low the “LOW BATT” 640°F and 95°F (5°C and 35°C). However, it will 8indicator on the display will flash. When this display room temperatures from 32°F to 99°F (0°C happens, install new batteries immediately. to 37°C). Once the “LOW BATT” indicator appears, the thermostat will continue to operate for approximately 30 days. (Only alkaline batteries POWER FAILURE should be used in your thermostat. Whe
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6-7 Features (Model 42999) TEMP For raising C SET TEMP temperature. FILTER LO BAT 69 To reset filter HOLD HEAT COOL counter back to zero. Easy-To-Read Digital Display For lowering Liquid crystal temperature. display shows FILTER room Function temperature, set Switch temperature, For turning filter indicator, on heating low battery and cooling indicator, heat system. and cool system indicator. HEAT OFF COOL AUTO FAN RESET Fan ON and Unique Filter AUTO Monitor Selector Automatically Switch.
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Features (Model 44050) TEMP For raising C SET TEMP temperature. FILTER LO BAT 69 Display HOLD HEAT COOL backlight for viewing in Easy-To-Read the dark. Digital Display Liquid crystal For lowering display shows temperature. LIGHT room Function temperature, set Switch temperature, For turning filter indicator, on heating low battery and cooling indicator, heat system. and cool system HEAT OFF COOL AUTO FAN RESET indicator. Fan ON and AUTO FILTER Selector Unique Filter Switch. Monitor Automatic
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Installation 8-9 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. Wires must be labeled prior to removal. IMPORTANT! Turn off the power to the furnace at the ma
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TYPICAL HOME THERMOSTATS FIGURE 1 Wall Mounting Plate Thermostat Cover Wall Mounting Plate Thermostat Cover
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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 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 term
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Wire Labeling If the code letter on your then mark wire and connect to thermostat existing thermostat is with label shown Terminal shown RH, R, This table will help you RH VR or 4 match the labels to the 24 Volt wires so you can attach them to your Hunter RED Thermostat. RC, VC RC 24 Volt Cool BLUE G or F G Fan NOTE: Follow the labels when connecting wires GREEN since many installations do not follow color Y, C or M coding of wires. Y (See Note) Air Conditioning YELLOW W or H W Heating WHITE
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Installation 12-13 Wire Labeling (Continued) 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. NOTE: Do not connect a “Common” wire (sometimes labelled “C”) to any terminal on this thermostat. Tape up the wire and do not use.
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Mount Wallplate and Thermostat Snap open the wallplate from your thermostat by pressing the release tab on the bottom of the thermostat. 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. Reposition wallplate to wall, pulling wires through large opening. Inse
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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. The switch is at “HG” position. Leave it in this position if you have a gas furnace or an oil burner. If you have an electric furnace, test to see whether the heat and fan come on as expected. Leave the switch in the “HG” position. If
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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. Press top of the thermostat body to snap it into the wallplate. (NOTE: Do not force the thermost
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Programming 16-17 Start-Up When you first install two AA size batteries, as directed in the installation instructions, press the Reset Button. The thermostat is preset at the factory to 68°F (20°C) for heat and 78°F (25°C) for cool. Room temperature is displayed. Your thermostat batteries will prevent memory loss and avoid reprogramming. Replace batteries as soon as low battery indicator comes on the display. A built-in timer prevents damage to your air conditioner compressor, caused by rapid cy
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Setting New Temperature In this example we are raising the current set temperature of 68°F to a new setting of 72°F. Press Press arrow to display current TEMP And F SET TEMP temperature setting. Hold FILTER 68°F is the current temperature LO BAT 68 setting. HOLD HEAT COOL After 3 seconds, “SET” starts TEMP F SET TEMP flashing and temperature digits FILTER will increase. LO BAT 72 Release at 72°F. HOLD HEAT COOL The display returns to current TEMP F SET TEMP room temperature in 5 seconds. FI
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Operations 18-19 Filter Monitor The Hunter Digital Thermostat measures and stores the amount of time the heating or air conditioning system operated. After 500 hours of usage, the word “FILTER” will appear and flash on the display, reminding you to check or replace your system filter. TEMP c SET TEMP FILTER LO BAT 69 HOLD HEAT COOL The word “FILTER” will continue flashing until the filter counter is reset back to zero. TEMP c SET TEMP FILTER LO BAT 69 HOLD HEAT COOL . 72 . 7I . 70
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To Reset Filter Counter To Zero TEMP After 5 seconds, when the filter c SET TEMP counter is reset, the “FILTER” FILTER Press FILTER disappears from the display. LO BAT 69 HOLD HEAT COOL Note: Filter button works only when “FILTER” is displayed on the display. If Filter button is pressed when “FILTER” is not displayed, the internal counter will not reset. Temperature Span Your thermostat is pre-programmed at the 1° above or 1° below the temperature factory to cycle when the temperature rises se
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Troubleshooting 20-21 Solution Problem 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. Replace batteries. AUTO/FAN DOES NOT COME ON 1. Move HG/HE system selector to opposite position. 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
