Instruction/ maintenance manual of the product 40120 Hunter Fan
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1 Electronic/Mechanical Thermostat Model 40120 installation and operation manual 44018-01 04-01-2008.
2 For assistance with wiring or operation, our T echnical Support Group is available from 8 am to 5 pm CST . they may be reached toll-free at 1-888-830-1326.
3 T able of Contents Important Information ....................................... 5 T ools ................................................................. 6 Uninstalling the Existing Unit ............................ 9 Installing the Thermostat ...
4 Congratulations! Thank you for choosing a Hunter thermostat. Y our new Hunter thermostat will provide years of reliable service and year-round energy savings. Please read this manual before beginning installation and save this booklet for complete operation instructions.
5 This thermostat is designed to work on the following heating and cooling systems: Gas – Standing Pilot Gas – Electronic Ignition Gas – Fired Boilers Gas – Millivolt Systems Oil – Fired Boilers Oil – Fired Furnace Electric Furnace This thermostat is not designed for heat pump systems or 1 10/220 V baseboard heating systems.
6 This thermostat includes two #8 slotted screws and two wall anchors for mounting. T o install your new thermostat, you will need the following supplies: Flat-head screwdriver ..........................................................................
7 NOTICE! 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.
8 Y RC G W Y RC G W.
9 1. T urn the system power OFF from the existing thermostat. T urn the power to the HV AC system OFF at the main power panel or at the furnace. 2. Remove the existing thermostat cover to access the wires from the wall. (Some thermostats may have multiple covers, screws or other locking devices that must be removed or disengaged.
10 If your existing thermostat is marked... label the wire with this sticker: RH / R / VR / 4 RH RH 24 V olt W / H W W heating G / F G G fan * See page 27 for complete wiring diagram.
11 4. Using the provided stickers, label each wire according to the chart. (If the terminals are not labeled, contact a qualied HV AC technician.) Note: Wire colors do not always comply with standards, so wire color should be ignored. Refer to the existing terminal designation for proper identication.
12 INST ALLING THE THERMOST A T INST ALLING THE THERMOST A T 1. Remove the new thermostat from the back plate by pulling the two halves apart. Thermostat W all Plate.
13 W RH G.
14 2. Position the new wall plate on the wall and pull the labeled wires through the opening. 3. If the existing holes do not match those on the Hunter wall plate, or if there are no existing holes, level the wall plate and mark the wall for two holes.
15 RH G W.
16 INST ALLING THE THERMOST A T , CONT . CONNECTING THE WIRES 1. Loosen, but do not remove, the terminal screws. 2. Match and connect the wires from the wall to the terminals as shown. Wires should be inserted behind the black terminal shields. T ighten each screw after the connection has been made.
17 HE/HG Switch HG HE.
18 A TT ACHING THE THERMOST A T 4. Locate the HE/HG s w i t c H on the back of the thermostat. Set the switch to HG for a gas furnace or oil burner . Set the switch to HE 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 .
19.
20 Fan Switch System Switch Set T emperature Slider Thermometer Battery Indicator SY STEM OFF HE A T AU T O ON 3 0 2 0 1 0 9 0 8 0 7 0 6 0 5 0 F C 9 0 8 0 7 0 6 0 5 0 F.
21 OPERA TION 1. Set the s E t t E m p E r a t u r E s l i d E r to the desired temperature. 2. The s y s t E m s w i t c H determines the operating mode of the thermostat. Select O f f or H E a t . 3. The f a n s w i t c H should normally be located in the a u t O position.
22 INDICA T ORS AND ADUSTMENT 1. The t H E r m O m E t E r indicates the room temperature. 2. The B a t t E r y i n d i c a t O r displays two stages of w E a k B a t t E r y w a r n i n G , indicated by the B a t t E r y i n d i c a t O r ashing once approximately every second.
23 Span Adjust SP AN.
24 INDICA T ORS AND ADJUSTMENTS, CONT . 1. Remove the thermostat from the wall plate. 2. T o make your system run LONGER, turn the s p a n a d j u s t clockwise. 3. T o make your system run SHORTER, turn the s p a n a d j u s t counter clockwise. 4. Reattach the thermostat to the wall plate.
25 1. My heating or cooling will not turn on or off. 1 a. Check the HE/HG switch to ensure it is set to the correct position. 1 b. Check the circuit breakers and switches to ensure there is enough power to the system. 1 c. Replace the batteries with fresh AA alkaline batteries.
26 Is there help on the web? Y es. Visit http://www .hunterfan.com for more information. .................................................................................... ......... Can’t I just call someone? Sure. Our T echnical Support Group is available from 8 am to 5 pm CST .
27 WIRING DIAGRAMS Rh W Heat 24V or Millivolt Supply Heat Rela y or V alve 2-wire Heat Only System G Rh W Heat 24V Supply Heat Rela y or V alve 3-wire Heat Only System Fan Relay.
28 © 2007 Hunter Fan Company.
An important point after buying a device Hunter Fan 40120 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Hunter Fan 40120 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Hunter Fan 40120 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Hunter Fan 40120 you will learn all the available features of the product, as well as information on its operation. The information that you get Hunter Fan 40120 will certainly help you make a decision on the purchase.
If you already are a holder of Hunter Fan 40120, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Hunter Fan 40120.
However, one of the most important roles played by the user manual is to help in solving problems with Hunter Fan 40120. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Hunter Fan 40120 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
