Glass Door Removal; Dc Spark Box Battery Replacement; Dc Spark Box Replacement - Regency Horizon HZ42ST-NG Owners & Installation Manual

GLASS DOOR REMOVAL

1) Turn the unit off and allow it to cool down to
room temperature.
2) Turn off the gas supply to the unit.
3) Remove the faceplate by lifting it up off the
glass door.
Faceplate
4) Remove the glass door - see manual for
detailed instructions.
a) Remove the 3 screws shown below at
.
the bottom of the glass door
b) Swing the door out 45 o from the bottom
and lift up and out.
HZ42ST Regency Horizon TM Gas Fireplace
DC SPARK
BOX BATTERY
REPLACEMENT
1) Pull out the bottom faceplate panel - see
Diagram 1.
2) Remove the DC spark box bracket assembly
by sliding out the mounting plate from the
fi rebox. The mounting plate is located in the
lower right corner of the unit.
Glass Door
DC Spark Box mounting plate
partially removed.
3) Remove the battery cover from the DC Spark
Box.
4) Remove the AA battery and replace with a
new one.
5) Reverse steps 3 to 1.
1) Pull out the bottom faceplate panel - see
2) Remove the DC spark box bracket assembly
3) Disconnect the spark electrode wire from the
Diagram 1
4) Disconnect the 2 DC spark generator wires
5) Remove the 2 screws that secure the DC
6) Replace DC spark box, reconnect ground
Note: Mounting plate slides into brackets
MAINTENANCE
DC SPARK BOX
REPLACEMENT
Diagram 1.
by sliding out the mounting plate from the
fi rebox. The mounting plate is located in the
lower right corner of the unit.
DC Spark Box mounting plate
partially removed.
DC spark box shown in the image below.
from the DC Spark box located on the left
side of the DC spark box as shown below.
Spark Electrode Wire
Generator Wires
DC Spark Box Ground Wire
spark box to the mounting plate.
wire, and reverse steps 4-1.
located on the inside of the lower wall of
the fi rebox - right of the valve assembly.
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