icetro IM-770-AN Installation & Service Manual Download Page 19 | Manualshive

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icetro IM-770-AN Installation & Service Manual Download Page 19

Visually inspect all hex head bolts

holding lower housing assembly

to evaporator barrel for leaks.

Drains have been enlarged to

prevent overflow & scale

buildup on critical parts.

Use caution during reassembly

to ensure all new bolts are cross

tightened evenly.

Note: Evaporator barrel bolts are reverse thread to remove

19

IM-0770

Service Tips

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Summary of Contents for IM-770-AN

Page 1: ...IM 770 AN F INSTALL SERVICE MANUAL...

Page 2: ...Ice Machine Specs 2...

Page 3: ...Ice Machine Specs 3...

Page 4: ...lease pay close attention to the packaging for any damage to the crating If there appears to be any exterior damage please either note the damaged on the delivery bill of lading OR refuse it Failure t...

Page 5: ...e Required water pressure is 20 psi minimum and 80 psi maximum This unit is designed to work with water temperatures of 50 F 90 F 7 Is the unit installed in an area with sufficient ventilation at the...

Page 6: ...will begin to enter the ice storage bin after 3 minutes of the compressor condenser fan being energized The size of your ice storage bin plus the ambient water temps will Determine how long it will ta...

Page 7: ...liminate improper operation Additionally it is recommended to use the supplied seismic brackets to secure the ice machine and bin together An air deflector is included with self contained air cooled m...

Page 8: ...on Note Sump remains full of water Dump valve does not energize and drain so the sump remains full of water when the machine is off Shut Down Sequence Via Bin Switch Same as the previous shut down seq...

Page 9: ...IM 0770 LED Functions 9...

Page 10: ...ditional 60 seconds to protect the motor from any remaining water or ice that may be in the cylinder If the dump valve is energized and the machine is draining the ice machine will stop all operation...

Page 11: ...11 IM 0770 Drop Zone IM 0770 AN AF Drop Zone Chart A 11 3 B 11 4 C 22 D 25 4 A B C D Ice Outlet is 5 4 ID...

Page 12: ...IM 0770 Wiring Diagram 12...

Page 13: ...IM 0770 PCB 13 Main Power Heater Cond Fan Comp Bypass Valve Dump Valve Motor Tachometer LED Display Float Switch Bin Switch Mode Switch HPS S L Thermistor L L Thermistor Water Valve Gear Motor D S...

Page 14: ...IM 0770 Key Features Urethane insulated sealed to prevent moisture penetration which can rupture the refrigeration serpentine Non vented gear box to prevent lubrication breakdown 14...

Page 15: ...der Heads are Interchangeable Carbon bearing is pressed inside of extruder head No grease or maintenance to prevent major mechanical breakdowns Simply check extruder bearing replace if required Extrud...

Page 16: ...of clearance is required to service and remove auger on the IM 0770 Pin cut spring insertion in bottom of flight Spline cut fits into reverse spline coupling on gear box shaft which ensures no imbala...

Page 17: ...eration continues The water only fills to the lower part 1 Open 0 Close The current operation continues No definition Physically impossible 1 Open 1 Open OFF Water tank Full Water valve operates separ...

Page 18: ...ne insulation the lower housing assembly and or the gear box and destroy those parts When removing bolts new o rings and or new bolts with o rings should be used If bolts are not tightened properly or...

Page 19: ...evaporator barrel for leaks Drains have been enlarged to prevent overflow scale buildup on critical parts Use caution during reassembly to ensure all new bolts are cross tightened evenly Note Evapora...

Page 20: ...p Error Ambient temp is lower than 33 8 F Temp indicator flashes every 4 seconds Raise ambient temperature above 50 F High Condenser Temp Error Ambient temp is too high or condenser fails to cool belo...

Page 21: ...IM 0770 P T Chart Cycle Times 21...

Page 22: ...IM 0770 Parts Breakout 22...

Page 23: ...23 IM 0770 Parts Breakout...

Page 24: ...24 IM 0770 Parts Breakout...

Page 25: ...25 IM 0770 Parts Breakout...

Page 26: ...26 IM 0770 Parts Breakout...

Page 27: ...IM 0770 Parts Breakout 27...

Page 28: ...IM 0770 Parts Breakout 28...

Page 29: ...IM 0770 Parts Breakout 29...

Page 30: ...Water Dump Solenoid Water Inlet Solenoid Water Supply Drain Lines Wear Cracks to the Mechanical Seal Auger Bearing Clearances Wear Cracks to the Housing Assy Spline Coupling Wear Cracks to O Rings In...

Page 31: ...ce the mechanical seal Replace the housing o ring Inspect the coupling for wear cracks etc replace if necessary Lift coupling from gearbox and inspect for wear cracks etc Preventative Maintenance Tech...

Page 32: ...crews from the ice chute assembly and lift up to remove it 7 Pour the pre mixed cleaning solution in through the extruding head until the evaporator and water reservoir are full The solution will over...

Page 33: ...en the water supply valve and set the power switch to ICE When the gear motor starts running turn the power switch to DRAIN to drain the water for 5 minutes 15 Set the power switch to ICE and make ice...

Page 34: ...nstall lack of cleaning inadequate water treatment or airborne slime Bacteria Citryne by Systems IV for all machines with pH over 7 0 Carbon filtration removes chlorine If there is slime or growth ins...

Page 35: ...ater is between 6 and 8 5 The pH value of water is used to determine whether water is hard or soft Pure water has a pH of 7 and water lower than 7 pH is considered acidic Citryne is for all ice makers...

Page 36: ...THANK YOU 1 15 2022...

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