
Masport PG36-3 Gas Inbuilt
28
INSTALLATION
WIRING
CAUTION: Label all wires prior to
disconnection when servicing con-
trols. Wiring errors can cause im-
proper and dangerous operation.
This heater requires a 240V A.C. supply for the
gas control to operate. A 240V A.C. power
supply is needed for the fan/blower operation.
Caution: Ensure that the wires do
not touch any hot surfaces and are
away from sharp edges.
WARNING: Electrical Grounding Instructions
This appliance is equipped with a three pronged (grounding) plug for your protection against shock hazard and should be
plugged directly into a properly grounded three-prong receptacle. Do not cut or remove the grounding prong from this plug.
5
3
4
SIT 201 IGNITION MODULE
SIGMA 845
2
12
1
10
11
9
RED
BLUE
GREEN
BROWN
4
5
3
2
1
ORANGE
ORANGE
MODULATING
7
8
6
5
4
3
VALVE
2
1
COIL
GND
GND
JUMPER
YELLOW
BLUE
GND
BROWN
LOW SPEED
WHITE
RED
BLACK
FAN
BROWN
VIOLET
BLUE
RED
WHITE
YELLOW
VIOLET
BLACK
RESET SWITCH (NC)
BLACK
BLACK
ORANGE
ORANGE
MODULE - SPARK
MODULE - GROUND
MODULE - FLAME
THERM
COMMAND BOX
FAN
LOW
ACTIVE
NEUTRAL
NEUTRAL
HIGH
MED
TH2
TH1
MOD2
MOD1
GREEN
SPARKER
RED
SENSOR
FLAME
PILOT
RED