Hunter 40120 Support Question
Hunter 40120 Support Question
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Question posted by TOYMEN1962 on October 31st, 2017
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 minutes. heat comes out. is this normal
Current Answers
Answer #1: Posted by BusterDoogen on October 31st, 2017 9:49 PM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,447
Member since:
October 30th, 2011 Points: 28,565,447
The click is the control relay contacts closing which is normal. Clicking for 2 -3 minutes isn't. Without the model I can't tell you exactly what's causing this issue. It may be time to call a tech or replace it.
I hope this is helpful to you!
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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.
Your new Hunter thermostat will provide years of reliable service and year-round energy savings. Thank you for complete operation instructions.
4
Electronic/Mechanical Thermostat
Model 40120
Congratulations!
Owner's Manual - Page 5
...
Oil - 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 Technician for assistance.
5 Electronic Ignition
Gas - Fired Boilers Oil - Fired Boilers Gas - Fired Furnace
Electric Furnace
This thermostat is designed to work...
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
..., they may be removed or disengaged.)
3. uninstalling the existing unit 1. Turn the system power OFF from the wall.
(Some thermostats may have multiple covers, screws or other locking devices that open to the...mounting screws.)
9 Remove the existing thermostat cover to the HVAC system OFF at the main power panel or at the furnace.
2. Turn the power to access the wires from the ...
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
* See page 27 for complete wiring diagram.
10 If your existing thermostat is marked...
Owner's Manual - Page 11
... wall plate.
11 Refer to the chart.
(If the terminals are labeled, disconnect each wire according to the existing terminal designation for non-battery powered thermostats.
5. If you have a wire marked C, do not always comply with standards, so wire color should not be ignored. Do not let the wires slip back...
Owner's Manual - Page 12
Remove the new thermostat from the back plate by pulling the two halves apart. Wall Plate
Thermostat 12 installing the thermostat INSTALLING THE THERMOSTAT
1.
Owner's Manual - Page 14
... anchors into the anchors. 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 installing the...
Owner's Manual - Page 16
... has been made.
(The ends of any excess wire length back into the wall.)
3. Wires should be inserted behind the black terminal shields. installing the thermostat, cont. Push any extra wires should be wrapped in electrical tape and carefully pushed back into the wall to the terminals as shown. CONNECTING THE...
Owner's Manual - Page 18
Set the switch to HG for electric furnaces.
5. Align the thermostat with the the wall plate,
and snap the two halves together. 7. Insert two fresh AA alkaline batteries. 6. Restore power at the electrical panel or
furnace.
18 ATTACHING THE THERMOSTAT
4. Locate the HE/HG switch on the back of the thermostat. Set the switch to HE...
Owner's Manual - Page 21
Select Off or Heat. 3. In a normal gas or oil furnace, the fan will be turned on by your system. To run the fan continuously, slide the Fan Switch to the desired
temperature. 2. Set the Set Temperature slider to the On position. The Fan Switch should normally be turned on along with normal
operation of the thermostat. The System Switch...
Owner's Manual - Page 22
... Indicator displays two stages of Weak Battery Warning, indicated by the Battery Indicator flashing approximately twice every second. 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 When this warning...
Owner's Manual - Page 24
... Switch is 0.6oF - 3oF. The Span setting remains the same in .
24 Your thermostat is cycling either too often or not often enough, then use a small Phillips-head screwdriver to turn the Span Adjust left or right to change the cycle time. 1. To make your system is preset to the wall plate. To...
Owner's Manual - Page 25
... heating or cooling will not turn on or off position.
2 a. Check the HE/HG switch to ensure it is set to operate when the
thermostat is in the off .
1 a. Check the circuit breakers and switches to ensure there is closed
properly.
2. Replace the batteries with fresh AA alkaline batteries. 1 d. If applicable, make sure the furnace...
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
* Vea la página 27 para el digrama eléctrico completo
10
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...
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