VFI33 Vent Free Gas Fireplace System
14
20307670
The millivolt valve is a self-powered combination gas con-
trol
THAT DOES NOT REQUIRE 110V AC TO OPERATE.
Refer to
Figure 16
and installation instructions provided
with optional wall switch, thermostat or remote control for
wiring instructions. A maximum length of 15 feet of 18awg
two conductor wire is to be used for wall switch or ther-
mostat installations.
NOTE:
Thermostats and switches must be suitable for
millivolt operation.
CONNECT OPTIONAL WALL SWITCH OR
THERMOSTAT
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, 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.
ELECTRICAL WIRING — MILLIVOLT
Figure 18 -
Wiring Diagram
Switch
On/Off
Switch
On/Off
Switch
ODS Pilot
Valve
TH = 3
TP = 1
TP/TH = 2
ODS
Pilot
Spade
Terminal
Field Installed Optional
Wall Switch or
Remote Receiver
WARNING: Do NOT connect wall
switch to 110 V circuit.
WARNING: Label all wires prior to
disconnection when servicing controls.
Wiring errors can cause improper and
dangerous operation. Verify proper operation
after servicing.
