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Water Pump

1. Remove front panel.

2. Unplug water pump electrical connection.

3. Drain water reservoir.

4. Use corbin clamp pliers to loosen and slide
corbin clamps on hoses away from pump.

5. Remove screws retaining pump to bracket.

6. Pull pump out of ice machine.

7. Reverse to reassemble.

8. Replace front panel.

8. Reconnect electrical power.

Transducer

1. Disconnect electrical power BEFORE removing
transducer.

2. Remove the front panel and locate the
transducer socket.

3. Twist inner portion of transducer
counter-clockwise and push up gently.

4. Unplug transducer and remove from the
machine.
5. Reverse steps 1-4 to reassemble.

Inlet Water Solenoid Valve Assembly

To remove the inlet water solenoid valve assembly: 

1. Shut OFF water supply to machine. 

2. Loosen and remove outlet water line from the
inlet water solenoid valve assembly. 

3. Remove screws and pull the water solenoid
valve out to gain access. 

4. Pull electrical cord from solenoid coil terminals.

5. Remove inlet water fitting from the water
solenoid valve. To replace the inlet water valve
assembly, reverse the removal procedures.

Bin Ice Level Control Circuit Board

1. Disconnect Electrical Power before removing
circuit board.

2. Remove front panel.

3. Remove control box cover.

4. Remove wires from circuit board connections.

5. Unlock circuit board fasteners by twisting 1/2
turn.

6. Pull circuit board of off fastener posts.

7. Reverse to reassemble, refer to wiring diagram
as needed.

REMOVAL AND REPLACEMENT

STRAINER

INLET WATER VALVE

Electrical Shock Hazard. 

Electrical shock can

cause personal injury. 

Disconnect power
before begining to
service components

MCM1462

April, 1993

Page 24

Содержание MCM1462

Страница 1: ...staller Location Assembly 3 Stacking 4 For the Electrician 5 For the Plumber 6 Final Check List 7 Initial Start Up 8 Freeze Cycle Operation 10 Harvest Cycle Operation 11 Component Description 12 Clean...

Страница 2: ...he MCM1462 will fit the MDB900 ice storage bin 48 wide It will double stack with kit KSMCM48 The stacking kit includes Relay box and wires to interconnect bin controls Stainless steel panel bracket to...

Страница 3: ...e the machine Do NOT push the bin into postion instead lift it there Pushing a bin may damage the legs and leg mounts Level the bin in both the front to rear and side to side directions by adjusting t...

Страница 4: ...ker The top removed from the lower icemaker will no longer have any function A stainless steel bracket from the kit must be attached to the top of the bottom machine before the units are stacked Place...

Страница 5: ...itions Low voltages can cause erratic operation and may be responsible for serious damage to the icemaker Electrical connections are made at the rear of the icemaker inside the junction box All extern...

Страница 6: ...r foot on horizontal runs The drains to be installed to conform with the local plumbing code Install a vertical open vent on drain line high point to insure good draining The ideal drain receptacle is...

Страница 7: ...tor plates 7 Have all electrical water and drain connections been made 8 Is the water supply line shut off valve installed and electrical wiring properly connected 9 Check all refrigerant lines and co...

Страница 8: ...ll close the water inlet solenoid valve and the water fill cycle is complete If the sump is not full rotate the timer once again to repeat the harvest cycle The water pump should be pumping water thro...

Страница 9: ...the icemaker in the harvest cycle place something directly below the transducer socket The machine should switch off at the END OF THE HARVEST CYCLE Within seconds after removal of the obstruction th...

Страница 10: ...CLOSED When the ice cubes are partially formed the cube size control sensing bulb attached to the suction line will CLOSE and connect power to the timer motor The timer then controls the remainder of...

Страница 11: ...te by the warming effect of the hot gas condensing in each evaporator plate and the water cascading over the ice cubes The released ice cubes drop into the ice storage bin below At the end of the harv...

Страница 12: ...ch harvest cycle and prevents short cycling on the bin thermostat control Timer Timer Switch Assembly The timer cam is controlled by the cube size control The outer surface or large diameter lobe of t...

Страница 13: ...When set at FULL it will not allow the machine to fill the bin any closer to the ice machine than about 8 and it will not work if the distance to the bottom of the bin is greater than 8 feet Because i...

Страница 14: ...ates Gravity flow returns the unfrozen excess portion of water to the sump reservoir for recirculation Hot Gas Solenoid Valve The hot gas solenoid valve opens only during the harvest cycle to divert t...

Страница 15: ...the reservoir drain cap and drain the cleaning solution from the sump Replace the drain cap 12 Rotate the shaft of the timer and switch assembly CLOCKWISE to the harvest position low part of the cam a...

Страница 16: ...After all the scale has been removed rinse all of the surfaces inside the bin with clean potable water To sanitize the bin and ice machine interior Use an approved sanitizer and follow the directions...

Страница 17: ...rect ice cube size is achieved To produce SMALLER sized ice cubes 1 Locate the cube size control on the front of the control box 2 Rotate the adjusting knob one eighth of a turn COUNTER Clockwise 3 Ob...

Страница 18: ...e cube size control Rotating the shaft of the timer cam clockwise will allow putting the machine into either the freezing cycle or harvest cycle as required in the cleaning instructions To Adjust The...

Страница 19: ...of the ice machine 1 2 22 from the base of the ice machine 1 4 30 from the base of the ice machine CHARACTERISTICS This machine uses R22 AIR COOLED Freeze cycle Average Discharge Pressure at 900 700...

Страница 20: ...intake temperature too high air cooled Reduce room temperature Sump covers out of position Re position sump covers Cubes too small Adjust cube size Cube size control stuck open Replace cube size contr...

Страница 21: ...tem Purge system evacuate and weigh in nameplate charge Poor air circulation or extreme hot location Relocate the cabinet or provide ventilation Overcharge of refrigerant Evacuate and weigh in namepla...

Страница 22: ...circuit by attaching a jumper wire between bin thermostat posts on circuit board part no 12 1912 01 the circuit board with the timer on it Reconnect power If machine does not start go back to machine...

Страница 23: ...attachment for the left water distributor tube and notch also that the distributor manifold connections at the top center of each evaporator plate is snug against the top of the plate Cube Size Contr...

Страница 24: ...F water supply to machine 2 Loosen and remove outlet water line from the inlet water solenoid valve assembly 3 Remove screws and pull the water solenoid valve out to gain access 4 Pull electrical cord...

Страница 25: ...important on an ice machine than is the high side If gauges must be used use very short hoses Minimal refrigerant discharged into the hoses equals minimal refrigerant discharged into the air If hi sid...

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