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 cowpoke11 on December 25th, 2012
Furnace Won't Shut 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.
Your new Hunter thermostat will provide years of reliable service and year-round energy savings.
Electronic/Mechanical Thermostat
Model 40120
Congratulations! Thank you for complete operation instructions.
4
Owner's Manual - Page 5
Fired Boilers Gas - Fired Boilers Oil - 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 ...
Owner's Manual - Page 6
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
Tools This thermostat includes two #8 slotted screws and
two wall anchors for mounting.
Owner's Manual - Page 7
Do not disconnect the wires from the existing thermostat before reading these instructions. The wires must be labeled prior to removal to ensure proper reconnection.
7 NOTICE!
Owner's Manual - Page 9
... the HVAC system OFF at the main power panel or at the furnace.
2. Turn the power to access the wires from the existing
thermostat. Locate, but do not disconnect the wires.
(If wires are ... open to the back of the wall plate. Turn the system power OFF from the wall.
(Some thermostats may have doors that must be connected to expose the wires and mounting screws.)
9 Some models may ...
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
... wires are not labeled, contact a
qualified HVAC technician.)
W RH G W
Note: Wire colors do not connect it to the existing terminal designation for non-battery powered thermostats.
5. Do not let the wires slip back into the wall during disconnection.
Owner's Manual - Page 12
Wall Plate
Thermostat 12 installing the thermostat INSTALLING THE THERMOSTAT
1.
Remove the new thermostat from the back plate by pulling the two halves apart.
Owner's Manual - Page 14
...holes, level the wall plate and mark the wall for two holes.
4. Tap the plastic anchors into the anchors. installing the thermostat, cont. Insert the mounting screws through the opening .
3. Remove the wall plate and drill two 3/16" holes where marked.... wall plate, or if there are flush with the wall.
6. Verify that the thermostat is visually level and securely tighten both screws.
14
Owner's Manual - Page 16
..., the terminal screws.
2. Tighten each screw after the connection has been made.
(The ends of any excess wire length back into the wall.)
3. installing the thermostat, cont. Match and connect the wires from the wall to prevent interference.
16
Owner's Manual - Page 18
... power at the electrical panel or
furnace.
18 Locate the HE/HG switch on the back of the thermostat. Align the thermostat with the the wall plate,
and snap the two halves together. 7. installing the thermostat, cont. ATTACHING THE THERMOSTAT
4. Set the switch to HE for a gas furnace or oil burner. Insert two fresh AA alkaline...
Owner's Manual - Page 21
... in
the Auto position. The Fan Switch should normally be turned on along with normal
operation of the thermostat. Select Off or Heat. 3. To run the fan continuously, slide the Fan Switch to the desired
temperature. 2.
The System Switch determines the operating
mode of your furnace after its warm-up delay.
21
Owner's Manual - Page 22
When this warning appears, the thermostat is the Shut-down and will remain shut-off until you install two fresh AA alkaline batteries.
22 Your system will turn your earliest convenience.
... appears, install two fresh AA alkaline batteries at your system OFF. The second warning is shut down Indicator, indicated by the Battery Indicator flashing once approximately every second.
Owner's Manual - Page 24
...or right to turn the Span Adjust counter clockwise.
4.
Reattach the thermostat to cycle your system should cycle 3 - 5 times per hour. Remove the thermostat from the wall plate.
2. Note: The Span range is in both...regardless of what position the System Switch is 0.6oF - 3oF. Your thermostat is cycling either too often or not often enough, then use a small Phillips-head screwdriver to change the...
Owner's Manual - Page 25
... will not turn on or off position.
2 a. My system continues to operate when the
thermostat is set to ensure there is closed
properly.
2. Replace the batteries with fresh AA alkaline ... the circuit breakers and switches to the correct position.
1 b. If applicable, make sure the furnace blower door is enough power to ensure it is in the off .
1 a. Check the HE/HG switch to the system.
...
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
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
* Voir la page 27 pour le diagramme de câblage complet
10
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