7.4 ELECTRIC SCHEMATICS - GENERAL HARNESS LAYOUT
7.4.1 GENERAL HARNESS LAYOUT: ALL CONFIGURATIONS
FAN
LINE
LIMIT
1
2
3
4
4
5
6
7
8
8
9
10 11 12 12 13 14 15 16 16
GROUND
4
9
5
120 VAC
POWER
L1
N
G
WOOD FURNACE
FAN SPEED/HIGH LIMIT SWITCH
OIL FURNACE
FAN SPEED/HIGH LIMIT SWITCH
FAN
LINE
LIMIT
10
11
13
14
A
A
BACK UP FURNACE
CONTROL BOARD
Y
G
R
C
W
HMFK-ADDON
RELAY KIT
11
14
24 VAC
CONTROL CIRCUIT
B
B
HMFK-BMP50-1 BLOWER BOX
BLOWER
TERMINAL
BLOCK
HMFK-AC2
KIT
N
12
3
2
OR
B
C
C
WHITE
(N)
#7
(L1)
POWER SUPPLY TO
RIELLO OR BECKET
OIL BURNER. SEE
BURNER MANUALS
FOR CONNECTION
DETAILS.
LOWER JUNCTION BOX
H73.19.1
2
TO SELECT
SPEED
TERMINAL
BLOWER
CONTROL
CONTACT
TERMINALS
ELECTRIC
FURNACE
NOTE:
MOVE WIRE #5 TO TERMINAL #6 FOR “ADD
ON”, “STAND ALONE” WOOD FURNACE,
AND “WOOD/ELECTRIC” CONFIGURATIONS
SEE SECTION 7.3 TO DETERMINE BLOWER
SPEED CONNECTIONS FOR EACH APPLICATION.
W415-1506 / A / 12.04.15
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EN