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74D3000
7
BLDV7 Series Gas Fireplace
3. Remove logs.
4. Remove grate from engine by lifting up.
5. Remove hearth brick and wall brick panels.
6. Disconnect the gas line to the valve.
7. Remove screws securing engine base to firebox floor and lift engine up
to remove.
8. Two () magnetic strips have been supplied to secure each blower
to the firebox floor. Place on bottom of each blower before installing.
Figure 36
9. The blowers are to be inserted flat through the engine cutout in the fire-
box floor. Slide each blower over to the sidewall location. Figure 37
10. Turn blowers with discharge vent facing up. Slide the discharge vent so
that it is facing up. Slip discharge vent flange under the flange bracket
flush against the sidewall. Slide blower side tabs over into side flange.
Figure 38. The blower is now locked in place.
11. Attach the speed control to the underside of the firebox us-
ing the supplied velcro, locating as far to the right or left as
possible.
1. The thermal sensor clip is located beneath the firebox floor
near the center. Slide the thermal sensor into the clip until
it snaps in place. Make sure the terminals on the thermal
sensor are perpendicular to the clip. Figure 39
It is important to arrange the blower wire har-
ness so the wires can not come in contact with blower fan
blades.
13. Connect wiring according to the wiring diagram Figure 40.
14. Replace engine in reverse order of removal.
15. Plug in the blower.
16. Re-install firebrick, grate, logs, and glass door in reverse
order of removal.
17. To test blower operation, set the variable speed blower on
the LOW setting. Turn the fireplace on high. The blower
should turn on within 10 minutes.
18. If the blower does not turn on, turn the fireplace off and
allow cooling. Unplug the blower. Using a jeweler’s style
screwdriver, turn the white dial on the side of the variable
speed control 1/8 turn counterclockwise. Figure 40. This
will allow the blower motor to start at the low speed setting
as the fireplace cycles on and off. Retest the blower.
1. Re-install the lower access panel.
. To use the blower, turn the knob on the speed control clockwise. The blower should be operating
at the highest speed. Continue to turn the knob until it reaches the desired speed.
KT504
install blower
11/08
Engine
Cutout
KT504
Figure 37 -
Insert Blowers through
Engine Cutout
KT503
blower magnets
11/08
Magnet
KT503
Figure 36 -
Magnet Installation