Hearth GFK21B User Manual

Page 1

Installation

Instructions

Models: GFK21B Fan Kit

If you need clariﬁ cation 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 ﬂ ow 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 beneﬁ t from, and safe operation of the fan.

WARNING

Shock Risk Explosion Risk

Do NOT wire 110-120 VAC to gas control valve.

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 El ect r i c Cod e A N S I / N FPA 70 - latest

edition or the Canadian Electric Code CSA C22.1.

CAUTION

Sharp Edges

• Wear protective gloves and safety glasses during installation.

WARNING

Shock Risk Fire Risk

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.

Fan 1

Screws 6

Foam Tape 2

Control Module 1

Electrical Cord 1

Magnetic Tape 2

Fan Bracket 1

Jumper Wire (blue) 1

Table 1 Contents of Carton

Note: An arrow (¨) found in the text signiﬁ es change in

content.

Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev H • 05/08

Note: You may not need all parts included with this kit.

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1. Install the Fan Bracket & Shield

• Place the fan bracket around the fan. See Figure 1.

• If no fan shield is needed, install screws to hold the front

of the fan bracket in place. See Figure 4.

Figure 1 Fan Bracket-No screws

• Use pliers to crimp the bracket tabs around the fan

housing. See Figure 2.

Figure 2 Crimp Bracket Tabs

• If the fan is being installed in a B-vent appliance, the fan

shield supplied with the appliance will also need to be attached. See Figure 3.

Figure 4 Fan Bracket

Figure 5 Foam Tape

• Attach the foam tape (Figure 5) and magnets (Figure 6)

to the fan. Cut one magnet strip in half and save the remaining strip for control module.

Figure 3 Fan Shield

Figure 6 Magnets

Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev H • 05/08

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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

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.

4. Install the Control Module

Attach the control module to the bottom pan using the magnetic tape provided.

5. Wiring the Fan Control Module

Note: Fan control timer only for use on units with junction

box pictured in Figure 9.

• 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).

- 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”.

- Connect wall switch wire removed from valve terminal “TH” to the piggyback connector on the black with white stripe fan control module wire.

FAN

BOTTOM PAN

Figure 7 Rotate Fan

Fan Assembly

Junction Box

Figure 8 Position the Fan

APPLIANCE BACK

Cord Clips

Note: Thermopile must be wired as shown in Figure 9.

Thermopile

Val ve

Black Ground

Figure 9 Robertshaw Wiring Diagram

Black/White

White

Red

Fan Control Module

Wall

Switch

White

Red

Black

Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev H • 05/08

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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

Val ve

Green Wire from Ignition Control

White

Black/White

Black

Ground

Figure 10 - Dexen (IPI) Wiring Diagram

Fan Control Module

Red

Black

• 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.

White

Red

Black

Wall

Switch

SIT

Val ve

Ground

Figure 11 - SIT Wiring Diagram

Black/White

Black

Red

White

Fan Control Module

Thermopile

Blue

6. Recommended Fan Control Set-up Procedure

Note: The test sequence works only during the ﬁ rst (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.

- Fan will turn on.

- Adjust fan speed with control knob.

- Release test button. Fan will stop.

• Light burner.

Hearth & Home Technologies • GFK21B Fan Kit • 4016-096 Rev H • 05/08

• Press and release test button.

- Fan will come on at set speed

- After one minute fan will stop.

• Extinguish burner.

• Fan control is now fully operational and will operate automatically each time appliance is used.

• Operates with APPROXIMATELY a 7-minute delay to turn

on and a 12-minute delay to turn off.