Hoshizaki SP-5550 User manual

1
2A9766-010
Hoshizaki Push-Button to Opti-Serve Conversion Kit
SP-5550 and SP-5552
For Use with DCM-300BAH Auxiliary Code F-1 and Later,
DCM-500BAH and DCM-500BWH Auxiliary Code H-0 and Later,
DCM-751BAH, DCM-751BWH, and DCM-752BAH
Check to ensure that all parts are included:
Index
No. Description Model SP Kit Part Number Qty.
1Opti-Serve Apron Panel Assembly
(includes OS sensors with connectors)
DCM-300/500B_H SP-5550 1A6139A01 1
2Opti-Serve Apron Panel Assembly
(includes OS sensors with connectors)
DCM-751B_H
DCM-752BAH
SP-5552 1A6147A01 1
3 Plastic Insert All 4A0586-06 2
4Insulation Tubing All 7762-0717 1
5Nylon Tie All 8911-0200 6
6 Wiring Label All 3B0792-01 1
7 Conversion Label All 4A6944-01 1
1
WARNING
• Only qualied service technicians should install this kit to reduce the risk of death, electric shock, serious injury, or re.
• No service should be undertaken until the technician has thoroughly read these instructions. Failure to follow these instructions will adversely
affect safety, performance, component life, and warranty coverage and may result in costly water damage.
• To reduce the risk of electric shock, do not touch the power switch, control switch, or plug with damp hands.
• Before Servicing: Move the icemaker's power switch to the "OFF" position. Turn off the power supply. Place the disconnect (if applicable) in
the off position. Lockout/Tagout to prevent the power supply from being turned back on inadvertently.
• The manufacturer cannot be held responsible for injury or damage resulting from improper, incorrect, and unreasonable use or installation.
IMPORTANT
These SP kits are designed specically for use with control board; 2A4296-01, 2A8084-01, or 2A9093-01. The use of these SP kits with
a control board other than those listed is not permitted.
Push-Button Removal Instructions
1) Move the power switch to the "OFF" position, then turn off the power supply. Lockout/Tagout to prevent the power supply from being turned
back on inadvertently.
2) Remove the front panel. Unplug the push-button connector. See Fig. 1. Set the front panel aside.
3) Remove the control box cover. See Fig. 2.
4) Unplug the control board K7 ice and water push-button connectors. See Fig. 2. Using a nylon tie provided in this kit, secure the push-button
connectors in a safe out of the way location in the control box.
Control
Box Cover
Fig. 1
Push-Button
Connector
98765432 1
K7
5VDC
K7
Fig. 2
Control Box
Control
Board
Push-Button K7
Ice Connector
Push-Button K7
Water Connector
Front Panel
Control Box

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2A9766-010
5) Disconnect the dispense mode switch wires (5VDC). See Fig. 3. Wrap each removed connector with electrical tape (not provided), then
secure the 3 wires together with a nylon tie provided in this kit in a safe out of the way location in the dispense mode switch area.
6) Remove the front panel push-button assembly from the push-button assembly bracket and discard. Remove the "ICE" and "WATER" labels
from the front panel. See Fig. 4.
7) Place the 2 plastic inserts provided in this kit into the holes in the front panel where the push buttons were located. Set the front panel aside.
8) Remove the apron panel and discard. See Fig. 5.
Opti-Serve Installation Instructions
9) Rest the opti-serve apron panel assembly provided in this kit, in its correct orientation on the drip tray (do not secure at this time), then route
the opti-serve sensor wires into the dispense mode switch area. See Fig. 6. Note: When routing the opti-serve sensor wires, route them to the
right side of the drain hose, then over the discharge line (not under) up into the dispense mode switch area.
10) Next, route the opti-serve control board K7 ice and water connectors into the control box through the plastic bushing. See Fig. 6.
Fig. 3
Drain Hose
Fig. 6
Fig. 4 Fig. 5
Discharge Line
Opti-Serve
Sensor Wires
Opti-Serve
Sensor Wires
Opti-Serve K7
Ice Connector
Opti-Serve K7
Water Connector
Dispense Mode
Switch
Dispense Mode
Switch Area
Opti-Serve
Apron Panel
Drip Tray
Plastic Bushing
Control Box
11) Connect the Opti-Serve ice and water connectors to the control board K7 connector. See Fig. 7.
Control Board
98765432 1
K7
5VDC
K7
Control Board Opti-Serve K7
Ice Connector
Opti-Serve K7
Water Connector
Fig. 7
Dispense Mode Switch
Push-Button
Assembly
Front Panel
ICE/WATER Labels
Plastic Inserts
Apron Panel
Dispense Mode Switch area
Push-Button
Assembly Bracket

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2A9766-010
12) Route the opti-serve K7 ice connector terminal #2 yellow (Y) and the opti-serve K7 ice connector terminal #5 dark blue (DBU) out of the
control box through the plastic bushing down to the dispense mode switch. See Fig. 6.
13) Connect the opti-serve K7 ice connector terminal #2 yellow (Y) to the dispense mode switch terminal #1, connect the opti-serve K7 ice
connector terminal #5 dark blue (DBU) to the dispense mode switch terminal #3, and the opti-serve ice dispenser sensor wire connector
violet (V) wire (from middle connector) to the dispense mode switch terminal #2. See Fig. 7.
Fig. 7
14) Place the pipe insulation provided in this kit on the liquid line as shown in Fig. 8. and secure with one of the nylon ties provided in this kit.
IMPORTANT! Failure to install the liquid line pipe insulation could cause damage to the opti-serve sensor wires.
15) Secure the opti-serve sensor wires with one of the nylon ties provided in this kit to the pipe insulation installed in step 14. Note: Be sure to
leave enough slack in the opti-serve sensor wires for future opti-serve apron panel removal.
Dispense Mode Switch
1-Yellow (Y)
2-Violet (V)
3-Dark Blue (DBU)
16) Bundle the opti-serve sensor wires together and secure them within the appliance using nylon ties provided in this kit.
17) Place and secure the opti-serve apron panel in its correct position.
18) Place the wiring label provided in this kit under the wiring label on the back of the front panel. Next, place the conversion label provided in
this kit on the back of the icemaker below the nameplate.
19) Conrm the control switch is in the "ICE" position, then replace the control box cover and front panel in their correct positions.
20) Turn the power supply on, then move the power switch to the "ON" position and conrm operation.
21) Conrm water and ice opti-serve sensor operation. Be sure to check the ice sensor with the dispense mode switch in both the
"CONTINUOUS" and "PORTION" positions.
Fig. 8
Pipe Insulation
Opti-Serve Wiring Label
Opti-Serve
Sensor Wires