Electrical Wiring (Milli-Volt) - Monessen Hearth DFX24C Installation And Operating Instructions Manual

ELECTRICAL WIRING (MILLI-VOLT)

The milli-volt valve is a self-powered combination gas control THAT DOES NOT REQUIRE 110 VAC TO
OPERATE.
Wall
Switch
On/Off
Switch
CAUTION
Label all wires prior to
disconnection when
servicing controls.
Wiring errors can
cause improper and
dangerous operation.
Verify proper operation
after servicing.
CONNECTING OPTIONAL WALL SWITCH OR THERMOSTAT
1. Use 18 awg, two-wire cable, 20 feet maximum length.
2. At one end of the cable, connect both wires to the wall switch or thermostat. At the other end, connect one wire to TP/TH
and one wire to TH. The color of the wires does not matter.

TH = 3
TP = 1
TP/TH = 2
Figure 31 - Wiring Diagram
On/Off
Switch
ODS
Pilot
Red
Switch
ODS
Pilot
Millivolt
Valve
Spade
Terminal
Red
Optional Wall
Switch, Thermostat,
or Remote Receiver
33D4047