Installation
Instructions
TM
¨
Models:
GFK21B
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 Fan Kit has been designed to circulate room air through the appliance to enhance heat output. The fan kit operates 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 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 maximum
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
for 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.
Fan
1
6
2
1
1
2
1
1
Screws
Foam Tape
Control Module
Electrical Cord
Magnetic Tape
Fan Bracket
CAUTION
Sharp Edges
•
Wear protective gloves and safety
glasses during installation.
Jumper Wire (blue)
Table 1
Contents of Carton
Note: An arrow (¨) found in the text signifies change in
Note: You may not need all parts included with this kit.
content.
Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev I • 11/08
1
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2. Remove Valve Assembly
On a Novus 30 in. appliance (GNDC30 or GNBC30 only) the
valve assembly must be raised slightly to allow the fan to be
moved past it to the back of the appliance.
FIREBOX
BOTTOM
FAN
3. Install the Fan
APPLIANCE
BACK
Position the fan all the way to the rear and center in the ap-
pliance. 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.
4. Install the Control Module
BOTTOM PAN
Attach the control module to the bottom pan using the mag-
netic tape provided.
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
•
Robertshaw Valve (Standing Pilot)
Cord
Clips
-
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).
-
-
-
Remove wall switch wire connected to valve terminal
marked “TH”.
Connect the black with white stripe wire with 3/16 in.
piggyback connector from fan control module to valve
terminal marked “TH”.
Junction Box
Figure 8
Position the Fan
-
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 • GFK21B Fan Kit • 4016-096 Rev I • 11/08
3
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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
Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev I • 11/08
Download from Www.Somanuals.com. All Manuals Search And Download.
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