52
7.4
ELECTRIC SCHEMATICS - GENERAL HARNESS LAYOUT
7.4.1 GENERAL HARNESS LAYOUT: ALL CONFIGURATIONS
EN
FAN SPEED/HIGH LIMIT SWITCH
9
(BLACK)
5
(BLUE)
FAN SPEED/HIGH LIMIT SWITCH
10
(BLACK)
11
(BLUE)
BACK UP FURNACE
CONTROL BOARD
Y
G
R
W415-1506 / C / 02.15.18
WOOD FURNACE
4A FAN
(RED)
OIL FURNACE
JUMPER
REMOVED
13
(BLUE)
14
(BLUE)
HMFK-ADDON
RELAY KIT
C
W
11
14
24 VAC
CONTROL CIRCUIT
HMFK-BMP50-1 BLOWER BOX
N
2
2
3
12
TO SELECT
SPEED
TERMINAL
BLOWER
TERMINAL
BLOCK
SEE SECTION 7.3 TO DETERMINE BLOWER
SPEED CONNECTIONS FOR EACH APPLICATION.
NOTE:
MOVE WIRE #5 TO TERMINAL #6 FOR "ADD
ON", "STAND ALONE" WOOD FURNACE,
AND "WOOD/ELECTRIC" CONFIGURATIONS
1
2
3
4
4
9 10 11 12 12 13 14 15 16 16
A
A
B
OR
B
B
F
F
ELECTRIC
FURNACE
120 VAC
POWER
G
5
6
7
8
8
LOWER JUNCTION BOX
C
C
#7
(L1)
WHITE
(N)
POWER SUPPLY TO
RIELLO OR BECKET
OIL BURNER. SEE
BURNER MANUALS
FOR CONNECTION
DETAILS.
BLOWER
CONTROL
CONTACT
TERMINALS
SEE SECTION 5.4,
STEP# 13 FOR
MORE DETAIL.
H73.19.1A
L1 N