Hunter 40120 Support Question
Hunter 40120 Support Question
Find answers below for this question about Hunter 40120.Need a Hunter 40120 manual? We have 3 online manuals for this item!
Question posted by RenaldoWarren on September 22nd, 2012
My Hunter 40120 Turns On For About 20 Then Turns Off.
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Related Hunter 40120 Manual Pages
Owner's Manual - Page 1
Electronic/Mechanical Thermostat
installation and operation manual
Model 40120
1
44018-01 04-01-2008
Owner's Manual - Page 3
Table of Contents
Important Information 5 Tools 6 Uninstalling the Existing Unit 9 Installing the Thermostat 12 Installing the wall plate 14
connecting the wires 15 attaching the thermostat 17 Operation 20 Indicators & Adjustments 22 Troubleshooting 25 Wiring Diagrams 27
3
Owner's Manual - Page 4
Please read this manual before beginning installation and save this booklet for choosing a Hunter thermostat.
Thank you for complete operation instructions.
4 Electronic/Mechanical Thermostat
Model 40120
Congratulations! Your new Hunter thermostat will provide years of reliable service and year-round energy savings.
Owner's Manual - Page 5
... designed to work on the following heating and cooling systems:
Gas - Fired Boilers Oil - Electronic Ignition
Gas - important information This thermostat is not designed for heat pump systems or 110/220 V baseboard heating systems.
If you are unsure what kind of heating and cooling system you ...
Owner's Manual - Page 6
Tools 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
6
Owner's Manual - Page 7
The wires must be labeled prior to removal to ensure proper reconnection.
7 NOTICE! Do not disconnect the wires from the existing thermostat before reading these instructions.
Owner's Manual - Page 9
... the back of the wall plate. Locate, but do not disconnect the wires.
(If wires are not visible, they may be removed or disengaged.)
3. Turn the system power OFF from the wall.
(Some thermostats may have multiple covers, screws or other locking devices that open to access the wires from the existing...
Owner's Manual - Page 10
If your existing thermostat is marked...
RH / r / vr / 4 w / h g / f
label the wire with this sticker:
24 Volt RH
heating W
fan G
G W RH
* See page 27 for complete wiring diagram.
10
Owner's Manual - Page 11
... ignored. Using the provided stickers, label each wire and remove the existing wall plate.
11 Refer to the existing terminal designation for non-battery powered thermostats.
5. If you disconnect them. uninstalling the existing unit, cont.
4.
Owner's Manual - Page 12
Wall Plate
Thermostat 12 Remove the new thermostat from the back plate by pulling the two halves apart. installing the thermostat INSTALLING THE THERMOSTAT
1.
Owner's Manual - Page 14
...16" holes where marked.
5. installing the thermostat, cont. Tap the plastic anchors into the anchors. If the existing holes do not match those on the Hunter wall plate, or if there are flush with... for two holes.
4. Insert the mounting screws through the opening .
3. Verify that the thermostat is visually level and securely tighten both screws.
14 Reposition the wall plate on the wall ...
Owner's Manual - Page 16
... the wall.)
3. Wires should be inserted behind the black terminal shields. Match and connect the wires from the wall to prevent interference.
16 installing the thermostat, cont.
Owner's Manual - Page 18
.... Restore power at the electrical panel or
furnace.
18 Locate the HE/HG switch on the back of the thermostat. Set the switch to HG for electric furnaces.
5. Align the thermostat with the the wall plate,
and snap the two halves together. 7. Set the switch to HE for a gas furnace or oil...
Owner's Manual - Page 20
System Switch
Thermometer Set Temperature Slider
SYSTEM OFF
90
HEAT
90
30
80
80
70
20
70
60
60
AUTO
50
10
50
ON
F
C
F
Fan Switch
Battery Indicator 20
Owner's Manual - Page 21
... continuously, slide the Fan Switch to the desired
temperature. 2. Set the Set Temperature slider to the On position.
Operation 1. The Fan Switch should normally be turned on by your system. Note: In Auto , The fan will be turned on along with normal
operation of the thermostat.
Owner's Manual - Page 22
... indicates the room
temperature.
2. When this warning appears, install two fresh AA alkaline batteries at your system OFF. Your system will turn your earliest convenience.
3. When this warning appears, the thermostat is the Shut-down and will remain shut-off until you install two fresh AA alkaline batteries.
22 The Battery Indicator...
Owner's Manual - Page 24
... cycling either too often or not often enough, then use a small Phillips-head screwdriver to turn the Span Adjust left or right to cycle your system run LONGER, turn the Span Adjust counter clockwise.
4. Reattach the thermostat to the wall plate. The Span setting remains the same in both the Heat and Cool...
Owner's Manual - Page 25
My heating or cooling will not turn on or off position.
2 a. If applicable, make sure the furnace blower door is in the off .
1 a. My system continues to operate when the
thermostat is closed
properly.
2. Check the HE/HG switch to ensure it is enough power to the correct position.
1 b. Replace the batteries with...
Owner's Manual - Page 10
RH / r / vr / 4 w / h g / f
label the wire with this sticker:
24 Volt RH
heating W
fan G
G W RH
* Vea la página 27 para el digrama eléctrico completo
10 If your existing thermostat is marked...
Owner's Manual - Page 6
To install your new thermostat, you will need the following supplies:
Tournevis à tête plate
Petit tournevis Phillips
Marteau
Perceuse électrique et mèche de 3/16
Deux batteries alcalines de 1,5 Volts (AA
6 les outils This thermostat includes two #8 slotted screws and
two wall anchors for mounting.
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