HWH 680 Series Operator's Manual page 24

CONNECTION INFORMATION
WITH
WARNING / PRESSURE
SWITCH PIN DESIGNATION
11 - TOUCH PANEL INTERFACE CABLE
21 - ROOM 1 LIMIT SWITCH HARNESS
PIN 1 - FLOOR UP - 5762
PIN 2 - FLOOR DOWN - 5764
PIN 3 - NOT USED
PIN 4 - ROOM LOCKED - 5758
PIN 5 - ROOM IN - 5752
PIN 6 - ROOM OUT - 5750
PIN 7 - NOT USED
PIN 8 - ROOM UNLOCKED - 5754
PIN 9 - GROUND - 6230
22 - SPEED SWITCH - 9900
26 & 45 - HYD. PUMP CONTROL - 8600
28 - PARK BRAKE INPUT - 9000
29 - POWER HARNESS
30 & 96 - +12 IGNITION
31 & 50 - SYS. PRESS. SW. INPUT - 8100
33 - ROOM 1 CONTROL PANEL
PIN 1 - +12 IGNITION - 6125
PIN 2 - PUMP ON LIGHT - 7530
PIN 5 - READY TO OP. LIGHT - 7610
47 - ROOM 2 LIMIT SWITCH HARNESS
PIN 1 - NOT USED
PIN 2 - NOT USED
PIN 3 - NOT USED
PIN 4 - ROOM LOCKED - 5758
PIN 5 - ROOM IN - 5752
PIN 6 - ROOM OUT - 5750
PIN 7 - NOT USED
PIN 8 - ROOM UNLOCKED - 5754
PIN 9 - GROUND - 6230
51 - LEVEL SENSING UNIT
PIN 1 - RED (REAR)
PIN 2 - GREEN (RIGHT SIDE)
PIN 3 - BLACK (FRONT)
PIN 4 - YELLOW (LEFT SIDE)
PIN 5 - WHITE (GROUND)
94 - ROOM 2 CONTROL PANEL
PIN 1 - +12 IGNITION - 6125
PIN 3 - PUMP ON LIGHT - 7530
PIN 5 - READY TO OP. LIGHT - 7610
NOTE: SW1 IS SET TO OFF POSITION
TO ENABLE NEUTRAL HOLD FUNCTION.
CONTROL BOX CONNECTION DIAGRAM
AIR LEVELING
(WITH TWO ROOM EXTENSIONS)
LEVELING SYSTEM
OUTPUT BOARD
85
TOP BOARD
76
BOTTOM BOARD
ESSEX
RELLAY
NOTE: YELLOW LED'S " " INDICATE ENERGIZED COIL ON
OUTPUT RELAYS. RED LED'S " " INDICATE OUTPUT FROM
OUTPUT RELAYS THROUGH FUSE. SINGLE RED LED'S
INDICATE EITHER ACTIVE OUTPUT OR INPUT.
TOP VIEW
RED
LED
YELLOW LED
63 64 65 67
61 62
86 90
87
ROOM 2
OUTPUT
BOARD
ROOM 1
78 79 80
77 81
OUTPUT
BOARD
ROOM 2
LOGIC
BOARD
9
4
1
1
47
50
FUSE DESIGNATION
F1 - SW. IGNITION (15A) ROOM 1
F2 - IGNITION (15A) +24V
F3 - BATTERY (15A) +12V
F5 - PUMP RELAY (5A) ROOM 1
F6 - PUMP RELAY (5A) ROOM 2
F7 - SW. IGNITION (15A) ROOM 2
51
1
11
22
F5
5
F3
15
F2
15
93
F1
15
9
33
84
ROOM 1
LOGIC
BOARD
94
F6
F7
45
96
SW1
MP85.480F
26
28
29
30
1
4
21
1
31
07APR00