Installation
900285-01 05/2015
Innovative Hearth Products
Astria
TM
Gemini and GeminiCD Series Direct-Vent Gas Fireplaces
38
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.
Figure 30: Wiring Diagram—Electronic Gas Valves (Traditional Models)
B = BLACK
BR = BROWN
GY = GRAY
PU = PURPLE
R = RED
BL = BLUE
G = GREEN
O = ORANGE
W = WHITE
Y = YELLOW
WIRING COLOR CODE
ELECTRONIC PILOT ASSEMBLY
HOOD
PROFLAME VALVE
PROFLAME
DFC BOARD
SPLIT
FLOW
BATTERY
HOLDER
BATTERY
HOLDER
ON/OFF WALL
SWITCH
HI/LOW
SWITCH
IGNITER ROD
CPI SWITCH
OFF (O) = INTERMITTANT PILOT MODE
ON (–) = STANDING PILOT MODE
DFC WIRE HARNESS
PILOT GROUND WIRE
SPARK WIRE CABLE
PILOT TUBE
FLAME SENSOR
PILOT
SENSOR
CABLE
AC/DC
POWER
ADAPTOR
JUNCTION BOX
120V AC
HOT
NEUTRAL
GROUND
B
BL
2B 1B
2A
2
1
1A
R
O
B
1
2
G
W
BL
BL
O
O
R
R
W
G
B
B
W
G
R
W
B
Y
G
O
W
R
BL
B
BL
W
G
G
Y
O
Y
B
B
B
R
B
B
Electronic Wiring
One of the following optional controls must be used:
• ON/OFF Wall Switch,
• Thermostat, or
• Remote Control.
See the
Operation
section on
Page 54
for more details.
NOTE:
Electronic models must be connected to the main power supply.
1.
Route a 3-wire, 120 Vac, 60 Hz, 1 ph power supply to the fireplace junction box.
2.
Remove the electrical inlet cover plate from the side of the unit by removing the plate’s securing screws
(
Table 8
).
3.
If unit is not supplied with a strain relief, remove the cover plate knockout. Then, feed the power supply wire
through the knockout opening and into the unit junction box.
4.
Connect the black power supply wire to the lower outlet’s red pigtail lead (
Figure 32
and
Figure 33
). Connect the
white power supply wire to the outlet’s common terminal.
5.
Connect the ground supply wire to the pigtail lead attached to the outlet’s green ground screw. Restrain the inlet
power lead per NEC or local codes.