Hunter Fan Thermostat 42996 User Manual

INSTALLATION  
What You Need  
Mount Wallplate and Thermostat  
JUST RIGHT  
DIGITAL THERMOSTAT  
Remove the wallplate from your thermostat by pressing the release tab on  
the bottom of the thermostat. See Figure 2.  
®
This thermostat includes two #8 slotted screws and two wall anchors  
for mounting. To install your thermostat, you should have the fol-  
lowing tools and materials.  
Slotted Screwdriver(s)  
Small Philips screwdriver  
Hammer  
Electric drill and 3/16” bit  
Two 1.5 V (AA) size alkaline batteries  
Remove Old Thermostat  
CAUTION: Do not remove any wiring from existing thermostat before  
reading the instructions carefully. Wires must be labeled prior to  
removal.  
Owners Manual  
Congratulations!  
Model 42996  
Your new Hunter thermostat will provide years of reliable service. Using this  
digital thermostat will provide more uniform comfort in your home through  
the seasons. Thank you for buying a Hunter product!  
IMPORTANT! Turn off the power to the furnace at the main power  
panel or at the furnace.  
Remove existing thermostat cover and thermostat. See Figure 1. Some ther-  
mostats will have screws or other locking devices that must first be removed.  
Once the wall mounting plate is exposed, look for wires.  
Please read this manual for complete instructions on installing and operating  
your thermostat. If you require further assistance, call Hunter Technical Support  
at 1-888-830-1326 from 8am to 5pm Central Time.  
Figure 2  
If wires are not visible, they may be connected to the back of the wallplate.  
Again, look for screws, tabs, etc. Some models have doors that open to expose  
wires and mounting screws. See Figure 1.  
Remove the mylar label from the display window.  
Position wallplate on wall and pull existing wires through large opening.  
Then level for appearance. Mark holes for plastic anchors provided, if your  
existing holes do not line up with those on the wallplate.  
IMPORTANT INFORMATION  
Typical Home Thermostats  
1. This thermostat is designed to work on the following systems:  
Drill holes with 3/16” bit and gently tap anchors into the holes until flush  
with wall.  
Gas - Standing Pilot  
Gas - Electronic Ignition  
Gas - Fired Boilers  
Oil - Fired Boilers  
Oil - Fired Furnace  
Electric Furnace  
Reposition wallplate to wall, pulling wires through large opening. Insert  
mounting screws provided into wall anchor and tighten. See Figure 3.  
Gas - Milivolt Systems  
Electric Air Conditioning  
This thermostat will NOT control single-stage or multi-stage heat pumps or  
110/220 V baseboard electric heating systems.  
2. Temperature Range  
This thermostat can be set between 45°F and 95°F (7°C and 35°C). However,  
it will display room temperatures from 30°F to 99°F (0°C and 37°C). “HI” will  
be displayed if the temperature is higher than 99°F (37°C), and “LO” will be  
displayed if the temperature is lower than 30°F (0°C).  
This thermostat will automatically cutoff in Heat mode if the temperature rises  
above 95°F (35°C), and automatically cutoff in Cool mode if the temperature  
drops below 45°F (7°C).  
3. Compressor Protection  
This thermostat provides a 3.5 minute delay after shutting off the cooling system  
before it can be restarted.This feature will prevent damage to your compressor  
caused by rapid cycling. It does not prevent a rapid compressor restart due to  
short power outages.  
Wire Labeling  
Each wire coming from the wall to the existing thermostat is connected  
to a terminal point on that thermostat. Each of these terminal points is  
usually marked with a code letter as shown in Table A below.  
4. Battery Warning  
Two fresh AA alkaline batteries should provide well over one year of service.  
However, when the batteries become drained, the Low Battery Indicator will  
flash on the display. When this message occurs, install new alkaline batteries.  
You have approximately 1 minute to change the batteries and keep the ther-  
mostat’s settings. Once the batteries have become too low to ensure proper  
operation, your system will be turned Off, and the display will be cleared except  
for flashing Low Battery Indicator on the LCD display.  
The number of wires in your system can be as few as two (for heat only  
systems), as many as eight, or any number in between. If you follow the  
labeling procedures correctly, you do not have to be concerned about how  
many wires there are.  
Figure 3  
There is often no terminal marking on the existing thermostat of two wire,  
heat only systems. Just connect either of the wires to the Rh terminal, then  
connect the other wire to the W terminal to complete the circuit.  
NOTE: 5-wire Systems  
CAUTION: When only the battery icon flashes on the display, the ther-  
mostat is shut down, and your system will no longer operate. In this  
condition, there is no temperature control of your dwelling.  
If your thermostat has one wire marked R or Rh (2, 3, or 4-wire system), then  
leave the jumper wire between the Rh and Rc terminals on the wallplate.  
Otherwise, if you have separate Rh and Rc wires (5-wire system), then remove  
the jumper wire between the Rh and Rc terminals.  
IMPORTANT! BEFORE DISCONNECTING ANY WIRES, APPLY THE SELF-AD-  
HESIVE LABELS PROVIDED TO THE WIRE AS SHOWN IN TABLE A BELOW.  
(For example, attach the label marked W to the wire that goes to the W  
or H terminal on your existing thermostat.) IGNORE THE COLOR OF THE  
WIRES since these do not always comply with the standard.  
NOTE: If you plan to be away from the premises over 30 days, we recommend  
that you replace the old batteries with new alkaline batteries prior to leav-  
ing.  
After labeling wires, disconnect them from the existing thermostat ter-  
minals.  
5. Notes  
Connect Wires and Mount  
Thermostat to Wallplate  
This device complies with Part 15 of the FCC Rules. Operation is subject to the  
following two conditions: (1) this device may not cause harmful interference,  
and (2) this device must accept any interference received,including interference  
that may cause undesired operation.  
Remove existing wallplate. To make sure wires do not fall back into wall  
opening, you may want to tape them to the wall.  
Match and connect the labeled wires to the appropriate coded terminal  
screws on the wallplate. (See Figure 4, 5.) Ignore any wires which may be  
present, but which were not connected to the old thermostat.  
If hole in wall is larger than necessary for wires,seal this hole with insulating  
material so that no hot or cold air can enter the back of the thermostat  
from the wall. This air could cause a false thermostat reading.  
This equipment has been tested and found to comply with the limits for a Class  
B digital device, pursuant to Part 15 of the FCC Rules.These limits are designed  
to provide reasonable protection against harmful interference in a residential  
installation.This equipment generates,uses and can radiate radio frequency en-  
ergy and,if not installed and used in accordance with the instructions,may cause  
harmful interference to radio communications. However, there is no guarantee  
that interference will not occur in a particular installation. If this equipment  
does cause harmful interference to radio or television reception, which can be  
determined by turning the equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the following measures:  
If the code letter  
on your existing  
thermostat is. . .  
then mark the  
wire with label  
shown. . .  
and connect  
to thermostat  
terminal shown  
RH, R, VR or 4  
24 Volt  
x
x
x
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to  
which the receiver is connected.  
RC, VC  
24 Volt Cool  
Consult the dealer or an experienced radio/TV technician for help.  
G or F  
Fan  
Figure 5  
Figure 4  
FEATURES  
Front Doors: Covers  
keys and batteries  
when not used for  
neat appearance.  
Open with one  
finger from top or  
bottom.  
Filter Change Indicator:  
LCD Display:  
Shows Room  
Temperature, Set  
Temperature, and  
other feature  
information as  
required.  
Y, C or M  
Air Conditioning  
Compressor  
Be sure to tighten the terminal screws securely, otherwise a loose wire  
could cause operational problems with your system or thermostat.  
x
Flashes when filter  
needs to be checked.  
Low Battery  
Indicator:  
Flashes when  
batteries need  
to be replaced.  
Push excess wire back into the hole to prevent interference when installing  
the thermostat to the wallplate.  
Reset: Press with a  
paper clip to reset the  
thermostat and return  
to power-up settings.  
Make sure the System Switch is set to OFF, and the Fan Switch is set to  
AUTO.  
x
W or H  
Heating  
Insert the tabs on top of the thermostat body into the slots at the top of  
the wallplate. Press the bottom of the thermostat body into the snap on  
the bottom of the wallplate. Refer to Figure 2. (NOTE: Do not force the  
thermostat onto the wallplate, as the terminal pins may be damaged. If it  
does not snap properly, the thermostat may not work.)  
Table A  
NOTE: Do not connect a “Common” wire (sometimes labeled “C”) to any  
terminal on this thermostat.Tape up the wire and do not use.This wire provides  
electricity to non-battery powered thermostats.  
Insert the two AA size alkaline batteries, observing the polarity marked  
inside the battery compartment.  
Switch on the main power at the panel or furnace.  
System  
Battery  
Switch:  
Fan Switch:  
Filter Key:  
Resets the  
Up and Down Keys:  
Compartment:  
Selector  
Fan switch for  
Automatic or  
Continuous fan  
operation.  
Keys for changing the Front access allows  
filter change Temperature setting. easy insertion  
switch for  
Heat, Cool,  
and Off.  
counter to  
zero.  
Also used for adjust- of two AA 1.5V  
ing the Span.  
batteries.  
Form No. 41970-01 Rev 4/4/2006  
 

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