Electrical Wiring (Millivolt) - Prime Heat PH18 Installation And Operating Instructions Manual

CAUTION
Label all wires prior
to disconnection when
serv icing controls.
W i r i n g e r r o r s c a n
cause improper and
dangerous operation.
Verify proper operation
after servicing.
Wall
Switch
On/Off
Switch
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. Or you can hook the wall switch or thermostat
to wires on the unit.
65D2035
The millivolt valve is a self-powered combination gas control THAT DOES NOT
REQUIRE 110 VAC TO OPERATE.
TH = 3
TP = 1
TP/TH = 2
Figure 16 - Wiring Diagram

ELECTRICAL WIRING (MILLIVOLT)

On/Off
Switch
ODS
Pilot
Millivolt
Switch
ODS
Pilot
Valve
Spade
Terminal
Optional Wall
Switch or Remote
Receiver
19