Installation
900966-00B, 04/2019
Innovative Hearth Products
DRT3000-C Series Direct-Vent Gas Fireplaces
38
TP-TH
TP
TH
APPLIANCE- MOUNTED
ON/OFF SWITCH
(OPTIONAL)
BK/W(1)
BK/W(1)
WALL-MOUNTED ON/OFF SWITCH (OPTIONAL)
THERMOSTAT (OPTIONAL)
JUNCTION BOX
BLAC
K
W
GR
120
V
AC
WALL MOUNTED CONFIGURATION FOR FAN SWITCH (OPTIONAL)
BK
R
THERMOPILE
GAS VALVE
FAN
(OPTIONAL)
TP-TH
TP
TH
APPLIANCE- MOUNTED
ON/OFF SWITCH
(OPTIONAL)
BK/W(1)
BK/W(1)
WALL-MOUNTED ON/OFF SWITCH (OPTIONAL)
THERMOSTAT (OPTIONAL)
JUNCTION BOX
BLAC
K
W
GR
120
V
AC
WALL MOUNTED CONFIGURATION FOR FAN SWITCH (OPTIONAL)
BK
R
THERMOPILE
GAS VALVE
FAN
(OPTIONAL)
Figure 28 - Wiring Diagram - Millivolt Gas Valves
1. If installing an ON/OFF wall switch or thermostat, mount it in a convenient location on a wall near the fireplace.
2. Wire the control switch within the millivolt control circuit using the 15 ft of 2-conductor wire supplied with the
unit (Figure 31).
NOTE: The supplied 15 ft of 2-conductor wire has one end of each conductor connected to the gas valve circuit and
the other end of each conductor placed loose inside the bottom compartment.
CAUTION
In millivolt systems, do NOT connect a wall switch to a 120 V power supply.
Electronic Wiring
One of the following optional controls must be used:
• ON/OFF Wall Switch,
• Thermostat, or
• Remote Control
Green
Ground
Screw
Black
Hot Side of
Receptacle
Tab Intact
Tab
Broken
Green
White
Neutral
Side of
Receptacle
120 VAC - Black
Neutral - White
Ground - Green
J-BOX / RECEPTACLE
WIRING 120V, 60HZ, 1PH
Junction Box
Field Wired
Factory Wired
(Power
Supply
Unswitched)
Figure 29 - Wiring Diagram—Junction Box
Red
