MHSC DIRECT VENT MLDV500 Installation And Operating Instructions Manual page 39

ELECTRICAL INSTALLATION
To Junction Box
in Fireplace
Optional
White
{
Light
Black
Optional
White
{
Blower Black
White
{
Optional
Black
Aux.
Green
Input 300 Watt Max. Each
Optional A/C Module Replaces 6V Adapter
When Used
6V AC
Adapter
NOTE: Wall switch wires must be con-
nected together if a wall switch is not
being used.
Figure 59 -
Signature Command Wiring Diagram
Electrical connections should only be
performed by a qualified, licensed electrician.
Main power supply must be turned off before
connecting fans to the main electrical power
supply or performing service.
75D0004
Optional
AC Module
Connector Pin
To Control Board
Control Board
Conversion
NG/LP
Plug-in Connector
Stepper Motor to
Control Board
Ground
DC Power/Green
Plug-in Connector
Control Board to
Solenoid
Gas In
Valve
MLDV Series Gas Fireplace
RF Receiver
ON/OFF Button
Black / Thermopile
Red / Thermopile
Sensor
Ignitor / Sparker
Plug-in Connector
Control Board to Command Center
LED
OFF/LO
ON/HI
Master Switch
Command Center
Gas Out
Pilot Gas Tubing
Pilot
Optional
Wall Switch
39