Empire Comfort Systems CIVF-25-21 Optional Blower Installation Instructions, Fan Control

OPTIONAL BLOWER INSTALLATION INSTRUCTIONS

Installing Optional CIB-2 Blower

1.Loosen, but do not remove, (4) hex-head screws located on the exterior, bottom of the appliance.

2.Position the blower assembly at the rear of the appliance. The blower assembly has (4) keyholes for attachment to the exterior, bottom of the appliance.

3.Place the large diameter holes in the keyholes over and behind the (4) hex-head screws that were loosened in Step 1. Push inward on the blower assembly to lock the keyholes into position behind the screws. Tighten (4) hex-head screws to secure blower assembly to exterior, bottom of the appliance. (Refer to Figure 1)

4.Remove wire channel from rear cover by removing (4) hex- head screws. Note: If optional blower is being installed during initial installation of appliance, the wire channel will not be attached to rear cover. (Refer to Wire Channel Installation, Page 13)

5.Remove casting top and casting front from casting.

6.If optional stone inlay is installed in casting top, remove the 12" x 19 3/8" heat shield from the heat exchanger top by removing (4) 1/2" hex-head screws.

7.When facing the rear of the appliance, insert fan control shield between rear cover and inner body of appliance on the left side of the rear cover.

8.Attach fan control shield to top of inner body with (2) #10 x 1/2" screw provided in hardware package. (Refer to Figure

9.If applicable, attach 12" x 19 3/8" heat shield to heat exchanger top with (4) 1/2" hex-head screws from Step 6.

10.Place the casing top onto the casting. The casting top nests into the casting.

11.Attach fan control to FLAT, fan control bracket (Part 9A, Page

26)with (2) 6 x 1/4" screws provided in hardware package.

12.Attach fan control with bracket onto the wire channel by using

(2) 8 x 1/4" screws provided in hardware package.

13.Route wires from fan control and ON/OFF/REMOTE switch within wire channel.

14.When facing the rear of the appliance, align and insert fan control with bracket into 1 3/8" x 2" opening on the left side of the rear cover.

15.Attach wire channel to rear cover by using (4) hex-head screws removed in Step 4. (Refer to Wire Channel Installation, Page 13)

16.InsertAUTO/OFF/ON switch into rectangular notch on valve bracket. Be sure to insert AUTO/OFF/ON switch with letters (words) upright. (See wiring diagram)

17.Attach 1/4" push-on terminal from blue wire on the fan control to the AUTO (top) tab on the switch.

18.Attach 1/4" push-on terminal from black wire to the OFF (middle) tab on the switch.

19.Attach 1/4" push-on terminal from white wire on the fan control to the ON (bottom) tab on the switch.

20.Installation of optional CIB-2 blower is completed.

Fan Control

The fan control is a non-adjustable automatic type. The fan control will require between 5 and 10 minutes of main burner operation before the fan control "closes" and activates the blower. The blower will continue to run between 5 and 10 minutes after the main burner shuts off, before the fan control "opens" and deactivates the blower.

Figure 1

Figure 2

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