74D3001
7
DVBL7
Series Gas Fireplace
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 37
9. The blowers are to be inserted flat through the engine
cutout in the firebox floor. Slide each blower over to
the sidewall location.
Figure 38
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 39.
The blower is now locked in place.
11. Attach the speed control to the underside of the fire-
box using 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 40
warnInG:
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
Fig-
ure 41
.
14. Replace engine in reverse order of removal.
15. Plug in the blower.
16. Re-install firebrick, grate, logs, and glass door in re-
verse order of removal.
17. To test blower operation, set the variable speed blow-
er 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 jewel-
er’s style screwdriver, turn the white dial on the side
of the variable speed control 1/8 turn counterclock-
wise.
Figure 41.
This will allow the blower motor to
start at the low speed setting as the fireplace cycles
on and off. Retest the blower.
Finishing
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 high-
est speed. Continue to turn the knob until it reaches
the desired speed.
optIonaL Fan/BLower SyStem
KT504
install blower
11/08
Engine
Cutout
KT504a
Figure 38 -
Insert Blowers through
Engine Cutout
KT503
blower magnets
11/08
Magnet
KT503
Figure 37 -
Magnet Installation