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 nightinggale42 on November 27th, 2018
Thermostat Broken
I believe my thermostat is broken, even though I have it turned off it seems to being overheating my room and I do not know why. I have the temperature set to 65 degrees but it is heating my room to over 85 degrees. What can I do to try an fix this? I am a college student so the most effective way to fix it would be appriciated. Please help, any suggestions would be nice.
Current Answers
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
Your new Hunter thermostat will provide years of reliable service and year-round energy savings. Electronic/Mechanical Thermostat
Model 40120
Congratulations! Please read this manual before beginning installation and save this booklet for choosing a Hunter thermostat. Thank you for complete operation instructions.
4
Owner's Manual - Page 5
...
Gas - Fired Boilers Gas - Fired Furnace
Electric Furnace
This thermostat is designed to work on the following heating and cooling systems:
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 have, please contact a qualified HVAC...
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
NOTICE! The wires must be labeled prior to removal to ensure proper reconnection.
7 Do not disconnect the wires from the existing thermostat before reading these instructions.
Owner's Manual - Page 9
... wires are not visible, they may be connected to access the wires from the existing
thermostat. Some models may have doors that must 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 the HVAC system OFF...
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
... wall plate.
11 uninstalling the existing unit, cont.
4. Using the provided stickers, label each wire according to the existing terminal designation for non-battery powered thermostats.
5. If you disconnect them. After all wires are not labeled, contact a
qualified HVAC technician.)
W RH G W
Note: Wire colors do not connect it to the wall...
Owner's Manual - Page 12
installing the thermostat INSTALLING THE THERMOSTAT
1. Remove the new thermostat from the back plate by pulling the two halves apart.
Wall Plate
Thermostat 12
Owner's Manual - Page 14
.... Position the new wall plate on the Hunter wall plate, or if there are flush with the wall.
6. Verify that the thermostat is visually level and securely tighten both screws.
14 Remove the wall plate and drill two 3/16" holes where marked.
5. INSTALLING THE WALL PLATE
2. Insert ...
Owner's Manual - Page 16
installing the thermostat, cont. Match and connect the wires from the wall to prevent interference.
16 Tighten each screw after the connection has been made.
(The ends of ...
Owner's Manual - Page 18
... to HG for electric furnaces.
5. Insert two fresh AA alkaline batteries. 6. Align the thermostat with the the wall plate,
and snap the two halves together. 7. ATTACHING THE THERMOSTAT
4. Set the switch to HE for a gas furnace or oil burner. Restore power at the electrical panel or
furnace.
18 Locate the HE/HG switch...
Owner's Manual - Page 21
The Fan Switch should normally be turned on by your system. Select Off or Heat. 3. Note: In Auto , The fan will be turned on along with normal
operation of the thermostat. In a normal gas or oil furnace, the fan will be located in
the Auto position. Set the Set Temperature slider to the On position.
The System Switch...
Owner's Manual - Page 22
... Your system will turn your earliest convenience.
3. indicators and adustment 1. The Battery Indicator displays two stages of Weak Battery Warning, indicated by the Battery Indicator flashing approximately twice every second. When this warning appears, install two fresh AA alkaline batteries at your system OFF. The Thermometer indicates the room
temperature.
2. The second warning...
Owner's Manual - Page 24
... Span range is in both the Heat and Cool modes and can be changed regardless of what position the System Switch is 0.6oF - 3oF. Remove the thermostat from the wall plate.
2. If your system off and on at 1oF above and below the Set Temperature. Reattach the thermostat to turn the Span Adjust counter clockwise.
4. Your...
Owner's Manual - Page 25
... circuit breakers and switches to the correct position.
1 b. My system continues to operate when the
thermostat is set to ensure there is closed
properly.
2. Replace the batteries with fresh AA alkaline batteries. 1 d. My heating or cooling will not turn on or off position.
2 a. If applicable, make sure the furnace blower door is enough power...
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
les outils This thermostat includes two #8 slotted screws and
two wall anchors for mounting.
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
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
* Voir la page 27 pour le diagramme de câblage complet
10
If your existing thermostat is marked...
Similar Questions
What Makes The Model 40120 Thermostat Quick Before It Starts The Heating System?
(Posted by jjanders125 3 years ago)
My Thermostat Makes A Clicking Sound
my thermostat makes a clicking sound before she turns on the furnace. The sound can last for 2 to 3 ...
my thermostat makes a clicking sound before she turns on the furnace. The sound can last for 2 to 3 ...
(Posted by TOYMEN1962 6 years ago)
My Hunter 44260 Thermostat Wont Turn On Furnace Automatically
(Posted by bfshe 10 years ago)
40120 Thermostat Cuts Off After 20 Seconds While Heating.
(Posted by RenaldoWarren 11 years ago)
Hunter 44272 Thermostat How Do You Calibrate The Temperature?
The thermostat states the room temperature to be 81 when in fact it is 76 degrees!! HELP
The thermostat states the room temperature to be 81 when in fact it is 76 degrees!! HELP
(Posted by gsoconnor 11 years ago)