b) DCM-300BAH-OS
"DCM-OS" Opti-Serve Model Control Board
• K3 Connector |
#3 24VAC Output to |
Control Switch, |
Inlet Water Valve, |
Water Control Relay, |
and Drain Valve |
• "COUNTER RESET" Button |
(not used in this application) |
• "FLUSH" (drain) Switch |
(Do not adjust) |
• K2 Connector |
#1, 2 Gear Motor |
Protect Relay Circuit |
(5VDC) |
#3 Power Supply Input |
(115VAC) |
#4 "AM" LED: Agitating Motor |
(115VAC) |
#5 Power Supply Input |
(115VAC) |
#6 "ICE" LED: Ice Dispense |
Solenoid and Motor |
(115VAC) |
#7, 9 Control Transformer |
(24VAC) |
#8 "WTR" LED: |
Water Dispense Valve |
(24VAC) |
| • Relay LEDs (red) |
| (indicate which relays |
• Ice Dispense Time Control | and connector pins are |
energized) |
• "FLUSH" (drain) LED
(X6 Relay)
K2 Connector Pin #10
K3 Connector Pin #3
Control Switch
"DRAIN" Position
• "WTR" LED (X5 Relay)
K2 Connector Pin #8
• "ICE" LED (X4 Relay)
K2 Connector Pin #6
•"AM" LED (X3 Relay)
K2 Connector Pin #4
•"COMP" LED (X2 Relay)
X2 Relay Terminals (115VAC)
•"GM" LED (X1 Relay)
K1 Connector Pin "NO"
• K5 Connector
#1, 2, 3 Ice Dispense
Mode Switch, Portion
Operation (5VDC)
#4, 5, 6 Ice Dispense
Mode Switch, Continuous
Operation (5VDC)
#7, 8, 9 Water Dispense
Sensor (5VDC)
#10 "FLUSH" (drain) LED: |
Drain Valve (After 12‑hr. |
timer terminates) (24VAC) |
•K1 Connector
"COM" Power Supply Input (115VAC)
"NO" "GM" LED: Gear Motor
and Gear Motor Protect Relay
•"POWER" LED (green)
(lights when 10.5VAC is supplied to K4 connector pins #1 & #2)
•K4 Connector
#1, 2 Control Transformer (10.5VAC)
#3, 4 Bin Control, Control Switch "ICE", and Water Control Relay Circuit (5VDC)
#5, 6 High‑Pressure Switch (5VDC)
Control Board
Part Number 2A2649-01
14
