Installation
Instructions
TM
Models:
GFK4B
Fan Kit
¨
If you need clarification of any of the instructions contained here contact your dealer or the Technical Services Department
at 1-800-927-6841.
The GFK4B Fan Kit has been designed to circulate room air through the appliance to enhance heat output. The fan kit oper-
ates on 120VAC, 60 Hz power. This is available through a receptacle in the factory installed junction box. The junction box
is located in the controls compartment of the appliance.
A control module is provided with the fan kit which automatically turns the fan on and off at preset times and is equipped with
a variable speed control to provide a quiet forced air flow at the desired speeds.
Check Contents of Shipping Carton
Compare contents of carton in Table 1 with the actual parts received. If any parts are missing or damaged, contact your
dealer before starting installation. Do not install a damaged fan kit.
Installation Precautions
The GFK4B Fan Kit is tested and safe when installed in accordance with this installation manual. It is your responsibility to
read all instructions before starting installation and to follow these instructions carefully during installation to assure maxi-
mum benefit from, and safe operation of, the fan.
WARNING
WARNING
Shock Risk
Shock Risk
Explosion Risk
Fire Risk
Do NOT wire 110-120 VAC to gas control
valve.
Use ONLY optional accessories approved
or this appliance.
•
•
•
Using non-listed accessories voids
warranty.
Using non-listed accessories may result
in a safety hazard.
Only Hearth & Home Technologies
approved accessories may be used
safely.
Do NOT wire 110120 VAC to wall switch
•
Incorrect wiring will damage millivolt
values.
•
Incorrect wiring will override IPI safety
lockout and may cause explosion.
Note:This appliance must be electrically wired and grounded
in accordance with local codes or, in the absence of local
codes, with National Electric Code ANSI/NFPA 70-latest
edition or the Canadian Electric Code CSA C22.1.
Description
Fan
Qty.
1
6
2
1
1
2
1
1
Screws
Foam Tape
Control Module
Electrical Cord
Magnetic Tape
Fan Bracket
Jumper Wire (blue)
CAUTION
Sharp Edges
•
Wear protective gloves and safety
glasses during installation.
Table 1
Contents of Carton
Note: An arrow (¨) found in the text signifies change in
content.
Note: You may not need all parts included with this kit.
Hearth & Home Technologies • GFK4B Fan Kit • 4016-095 Rev H • 11/08
1
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3. Install the Fan
Position the fan all the way to the rear and center in the
appliance. Press the fan (magnets to the bottom) to the
back of the appliance. See Figure 7. Plug the fan cord
into the fan receptacle labeled “FAN” on the junction box.
See Figure 8.
FIREBOX
BOTTOM
FAN
APPLIANCE
BACK
4. Install the Control Module
Attach the control module to the bottom pan using the mag-
netic tape provided.
BOTTOM PAN
Figure 7 Rotate Fan
5. Wiring the Fan Control Module
Note: Fan control timer only for use on units with junction
box pictured in Figure 9.
Fan Assembly
Cord
Clips
•
Robertshaw Valve (Standing Pilot)
-
Connect the black, white and red wires with 1/4 in.
female connectors from the fan control module to the
appliance junction box as shown in Figure 9.
Connect the black ground wire with the ring terminal
to the TP screw on the valve (center).
-
-
-
Junction Box
Position the Fan
Remove wall switch wire connected to valve terminal
marked “TH”.
Figure 8
Connect the black with white stripe wire with 3/16 in.
piggyback connector from fan control module to valve
terminal marked “TH”.
-
Connect wall switch wire removed from valve terminal
“TH” to the piggyback connector on the black with white
stripe fan control module wire.
Note: Thermopile must be wired as shown in Figure 9.
Wall
Switch
RS
Valve
White
Fan
Control
Module
Red
Black
Figure 9
Robertshaw Wiring Diagram
Hearth & Home Technologies • GFK4B Fan Kit • 4016-095 Rev H • 11/08
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•
Dexen Valve (IPI)
-
Connect the black, white and red wires with 1/4 in. female connectors from fan control module to appliance junction
box as shown in Figure 10.
-
-
-
-
Connect the black ground wire to the appliance.
Remove the green ignition control wire from the valve.
Connect the black with white stripe wire with 3/16 in. piggyback connector from fan control module to valve.
Connect green ignition control wire to piggyback connector on black with white stripe fan control module wire.
Dexen
Valve
White
Fan
Black
Control
Module
Red
Black
Ground
Figure 10 - Dexen (IPI) Wiring Diagram
•
SIT Valve
-
Connect the black, white and red wires with 1/4 in. female connectors from fan control module to appliance junction
box as shown in Figure 11.
-
-
Connect the black ground wire with the ring terminal to the TP screw on the valve (center).
Connect blue jumper wire between fan control wire (black with white stripe) and valve. Plug 1/4 in. female end of blue
jumper wire to the back side of valve wiring block marked TH.
Wall
Switch
SIT
Valve
White
Fan
Control
Module
Black
Red
Black
Figure 11 - SIT Wiring Diagram
6. Recommended Fan Control Set-up Procedure
Note: The test sequence works only during the first (approximately) seven minutes after power-up.
•
•
•
With burner and pilot extinguished:
Turn control knob clockwise to activate control.
Press and hold test button on the control module.
•
Press and release test button.
-
-
Fan will come on at set speed
After one minute fan will stop.
-
-
-
Fan will turn on.
Adjust fan speed with control knob.
Release test button. Fan will stop.
•
•
Extinguish burner.
Fan control is now fully operational and will operate
automatically each time appliance is used.
Operates withAPPROXIMATELY a 7-minute delay to turn
on and a 12-minute delay to turn off.
•
•
Light burner.
4
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