Control Board Layout - Hoshizaki Modular Cubelet Serenity Series Service Manual

1. Control Board Layout

• "GM" LED
(X2 Relay)
GM
• K1 Connector
(115VAC)
115VAC Input
#3 (black)
GM, EH, CCR
#2 (white/black)
• "FLUSH" LED
(X3 Relay) (drain)
DV
• "WTRIN" LED
(X4 Relay)
WV
• K2 Connector
(24VAC)
Drain Valve
#10 (white/blue)
Control Transformer
24VAC Input
#9 (white/red)
Inlet Water Valve
#8 (orange)
Control Transformer
24VAC Input
#7 (white/red)
Water Dispensing
Valve, Agitation
Motor, and Ice
Dispensing LEDs
(not used on this
• J2 Connector-Open
model)
Control Switch
#1 & #2 (white/black)
• "COMP" LED
(X1 Relay)
PDS
• K3 Connector-Open
• K4 Connector-Open
• K5 Connector-Open
• K9 Connector (5VDC)
High-Pressure Switch
(not used on this model)
#3 & #4 (yellow)
Control Board
Part Number 2A9093-01
37
Compressor Control Relay
Circuit #5 & #6 (white/orange)
• S2 "SERVICE" Button
(Ice Purge Cycle Bypass)
• K8 Connector
(24VAC and 5VDC)
Control Transformer
24VAC Input
#1 (white/red)
Control Transformer
24VAC Neutral
#2 (light blue)
Bin Control 2 (mechanical
backup) (gray) (5VDC)
Float Switch-Common
#5 (black) (5VDC)
Upper Float Switch
#6 (red)
Lower Float Switch
#7 (blue or dark blue)
• K7 Connector-Open
• "POWER OK" LED
• S1 Dip Switch
3 2 1
• K6 Connector (20VDC)
Bin Control 1 (infrared sensor)
(dark blue)
(white, signal (common))
(brown (ground))