Hoshizaki DCM-271BAH Service Manual page 33

2. DCM-270BAH-OS
Compressor Relay
115VAC input (BR)
115VAC output (R)
• K1 Connector
#3 GM (BK)
#2 115VAC
Input (BR)
•
K2 Connector
Drain Valve
#10 (W/DBU)
Control Transformer
Input #9 (W/R)
Inlet Water Valve
#8 (O)
Control Transformer
Input #7 (W/R)
Dispense Water
Valve #6 (W/O)
24VAC Input
#5 (W/R)
Agitation GM
#4 (BK)
115VAC Input
#3 (BR)
Ice Dispense
Solenoid #2 (DBU)
115VAC Input
1 (BK)
LED Legend:
COMP-compressor
FLUSH (Drain)-drain valve
GM-gear motor
ICE-dispense motor
WTRDP-water dispense valve
WTRIN-inlet water valve
Control Switch
#1 (W/BK) to #2 (W/BK)
"ICE"-Open-5VDC
"DRAIN"-Closed-0VDC
•
S1 Dip Switch
5VDC Ground (GND) Terminals
"F-A" Control Board
Part Number 2A4296-01
High-Pressure Switch
#3 (Y) to #4 (Y)
Compressor Control Relay Circuit
Open-5VDC
#5 (W/O) to #6 (W/O)
Closed-0VDC
Relay De-Energized-Open-5VDC
Relay Energized-Closed-0VDC
5VDC
•
"POWER OK" LED
•
K6 Connector
Open
"F-C" Control Board
Part Number 2A8054-01
33
•
K9 Connector
•
"SERVICE" Button
(Ice Purge Cycle Bypass)
•
K8 Connector
(24VAC and 5VDC)
Control Transformer 24VAC
Input #1 (W/R)
Control Transformer 24VAC
Neutral #2 (LBU)
Bin Control
#3 (GY) to #4 (GY)
Open-5VDC
Closed-0VDC
Float Switch Output
#5 (BK)(+)
Upper Float Switch
#6 (R)
Open-5VDC to #5 black
Closed-0VDC to #5 black
Lower Float Switch
#7 (BU)
Open-5VDC to #5 black
Closed-0VDC to #5 black
•
K7 Connector
OS Ice Sensor #1 (W/R)
Ice Dispense #2 (Y)
Ice Dispense Output
#3 (W/BK)
OS Water Sensor GND
#7 (R)
Water Dispense Signal
#8 (Y) or (P)
OS Water Sensor
Output #9 (BK)(+)
Fig. 9b