Connect Optional Wall Switch Or Thermostat - Monessen Hearth Lyric Series Installation & Owner's Manual

Label all wires prior to disconnection when
servicing controls. Wiring errors can cause
improper and dangerous operation. Verify
proper operation after servicing.
The millivolt valve is a self-powered combination gas con-
trol THAT DOES NOT REQUIRE 110 VAC TO OPERATE.
On/Off Switch
or Optional Wall
Switch, Remote
or T-Stat
Figure 4.3 - Wiring Diagram
NOTE: Switch wires are not factory connected. Connect switch wires to the TH/TP and TH valve terminals as shown.
TH = 3
TP/TH = 2
Monessen • Lyric Owner's/Installation Manual • 4616-900 Rev. H • 04/21
F. Connect Optional Wall Switch or
Thermostat (vent free application only)
1. Use 18 awg, two-wire cable, 15 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, using fork terminal
or connect the wall switch/thermostat to the two male
(0.25") terminals on the left side of the unit. The color
of the wires does not matter.
ODS
Pilot
Millivolt
Valve
To Wall Switch
ODS Pilot
17