Color
Length
From
To
Black
6" (152mm)
I1 (Ignitor)
T.B. Line
Orange
11" (279mm)
1 (Ignitor
Spark Plug
White
4 1/2" (114mm)
I2(Ignitor)
T.B. Return
Yellow
16" (406mm)
High Limit
T.B. Middle
Yellow
16" (406mm)
High Limit
T.B. Line
Black
5" ((127mm)
Relay
T.B. Middle
White
5" (127mm)
Relay
T.B. Return
Orange
6" (152mm)
Relay
Thermocouple Junction Block
Orange
6" (152mm)
Relay
Thermocouple Junction Block
55FAV, 85FAV, 125FAV
WIRING CHART (Wire: Type AWG 150
o
C or equivalent (Type SF2-200, **SGI-250
o
C))
WIRING DIAGRAMS
8
Operating Instructions and Owner’s Manual
Enerco Group, Inc.| Forced Air Propane Construction Heater
CONNECTION DIAGRAM
MOTOR
IGNITOR
B
SCHEMATIC DIAGRAM
HIGH-LIMIT SWITCH
THERMOCOUPLE
SPARK PLUG
MOTOR
IGNITOR
RELAY
GAS
HIGH-LIMIT SWITCH
SPARK PLUG
THERMOCOUPLE
R* or Y*
R* or Y*
I1
I2
B** or O**
B
B
W
B
RELAY
B
W
B
W
G
LINE CORD
115V
60HZ
VALVE
I1
I2
COLOR CODE
LEGEND
B
W
G
BLACK
BLUE
WHITE
GREEN
BL
R
Y
O
RED
YEL
ORG
FEMALE CONN.
RING CONN.
TERMINAL BOARD
IF ANY ORIGINAL WIRING AS SUPPLIED WITH THE HEATER MUST BE REPLACED, IT MUS BE REPLACED WITH
TYPE AWG 105° C WIRE OR ITS EQUIVALENT EXCEPT AS INDICATED (*TYPE SF 2-200, **SGI-250°C)
NOTE:
70056 Rev. A 5/05
