Bunn H5X Service & Repair Manual page 29

LIMIT THERMOSTAT
BLK-14 BLK-14
OVERFLOW PROTECTION
SWITCH
RED RED
4 3
J7
2 1
MAIN
CONTROL
BOARD
FACT OR Y
USE ON LY
Early H5E, H5X, H10X
Install jumper thru ver. 1.04
NOTE: no jumper used on any
Model starting with ver. 1.08
42375.0000A 09/09 © 2009 BUNN-O-MATIC CORPORATION
SCHEMATIC WIRING DIAGRAM H5E/H5X
MAIN ON/OFF SWITCH
Chassis Ground
BLU-14
TANK HEATER
BLK-18
BLU-20
5
4
N.O.
3
2
COM
1
RELAY
J6-1
GRY
- -
J5-1
0-3.3VDC
GRY
+ +
-
J4-1
0-3.3VDC +
J3-1
GRY
J1-1
PNK
GRY
PNK
J3-5 PNK
J1-5
GRY
GRY
PNK
H5-PC
NO JUMPER
HEATER
29
®
GRN L1 L2 or N
Earth Ground
(Late Models only)
BLK-18
BLK-14
WHI/VIO-14
PINK-22
RED-18 or WHI-18
RED-18 or WHI-18
GRN-18
WHI/BLU-18
SOL
STEAM SENSOR
USED ON
t°
H5X ONLY
READY
REFILL
POWER
BLK-24
WHI-24
0-13.8VAC
TANK
t°
100-120 VOLTS AC
or
200-240 VOLTS AC
2 WIRE + GND
SINGLE PHASE