Mldv series gas fireplace, Remote wall mounted switch, Before installing the blower – Monessen Hearth DIRECT VENT MLDV500 User Manual
Page 31: Installing the blower, Warning, Do not connect wall switch 110v circuit

75D0004
31
MLDV Series Gas Fireplace
REMOTE WALL MOUNTED SWITCH
A remote wall switch and up to fifteen (15) feet of 18
Ga. wire may be used with this appliance. Attach the
wall switch in a junction box at the desired location
on the wall. Figure 44 Do not extend beyond the wall
switch wire length provided.
NOTE: Extended lengths of wire may cause the
fireplace not to function properly. Longer length
of wire is permitted if the wire is made out of
larger gauge (diameter) wire. Always check with
local code.
Figure 44 -
Wiring Diagram for Wall Switch
REMOTE WALL SWITCH INSTALLATION
OPTIONAL FAN/BLOWER SYSTEM
(BLOTBLDV)
Installation Instructions
Wiring
1. Before installing the blower, wire the receptacle into an elec-
trical circuit. This should be done before framing the fireplace.
Wire with minimum 60° C wire in accordance with prevailing
codes.
. Remove the external junction box cover by removing the
screw from the left side of the outside firebox wall. Junction box was installed at the factory.
3. The junction box cover has a factory installed “romex” style strain relief connector. After connecting
the wires, route the wire leads through this connector. Refer to the wiring diagram in Figure 45.
Before Installing the Blower
1. Always turn off the gas supply and allow the unit to cool down before proceeding.
. Clean the inside of the firebox (wall and floor), where the blower and wires will be installed. Make
sure the firebox wall and floor are clean and dry before mounting the blower.
Installing the Blower
1. Remove the lower access panel by pulling up and away from unit.
. Remove glass frame by releasing the two () latches (500 Model has three (3) latches) below the
firebox opening and lifting glass frame up and away from unit.
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 bot-
tom of each blower before installing. Figure 46
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 47
FP1912
Junction box wiring
8/08
Figure 45 -
Junction Box Wiring Diagram
10V AC
60Hz
junction Box
Factory Supplied
Not Supplied
ON
OFF
OPTIONAL REMOTE
WALL SWITCH
ON
OFF
OPTIONAL REMOTE
WALL SWITCH
PILOT
HI
LO
ON
OFF
TH
TP
TH/TP
ON
OFF
RS
FP1980
Dv wiring diagram
W
ARNING
Do not connect wall
switch 110V circuit.