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25

IM-Series

PCB & FND

Main Power 
(AC 85~265V)

Fuse 

(250VAC 5A)

H.P.S

Thermistors
(Evap IN/OUT & Cond OUT)

DIP S/W

Ice Thickness Sensor

& Bin Switch

Display  

PCB 

FND PCB

Main S/W 

ICE/OFF/Clean  

Water Level

Sensor

Program 

Upload 

Port

COMP

COND

WATER

PUMP

HOT GAS

DRAIN

Display   

Up Button

Down Button

Mode Button

Flow Sensor

W/C Only

FND Board

Relays light when energized with a 

GREEN

light on the PCB for simple diagnostics.

Summary of Contents for IM Series

Page 1: ...IM Series Installation Service Manual Air Water Cooled Cubers ...

Page 2: ...M Series Cuber Series Models 30 WIDE AIR COOLED IM 0350 AH C IM 0460 AH C IM 0550 AH C IM 0750 AH C IM 1100 AH C WATER COOLED IM 0460 WH C IM 0550 WH C IM 1100 WH C 22 WIDE AIR COOLED IM 0350 AH C IM 0460 AH C IM 0550 AH C ...

Page 3: ...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 to note damage on BOL or refuse damaged equipment means that the receiver accepts all liability for damaged equipment Damage 3 ...

Page 4: ...s of 50 F 90 F 7 Is the unit installed in an area with sufficient ventilation at the back for proper rejection of condenser heat The manufacturer requires 8 of clearance at the back sides of the unit Twelve 12 inches is required at the top of unit Fresh air is taken in from the back and dispelled from the top and sides Never block the top air vents 8 This unit is designed to work in ambient air te...

Page 5: ...n and ensure both are level to eliminate 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 models to prevent exhausted air from returning back to the condenser ...

Page 6: ...h is set to ICE Ice will begin to drop into the ice storage bin after 10 15 minutes The size of your ice storage bin plus the ambient water temps will Determine how long it will take to fill the bin Proper Installation IM Series 6 ...

Page 7: ...t to supply to the customer Locating the data plate Pre Start Up Tips IM Series 30 Wide Models IM Series 22 Wide Models After loosening the screws on the top and bottom right side of the front cover the model serial tag can be found to the right of the evaporator for 30 models or on the back side of the door on 22 models Doing so will help eliminate any mistakes or handwriting illegibility down th...

Page 8: ...ook at the front cover and observe if the GREEN power light is on steady not flashing Check for power If the power light is off check to see if circuit breaker has tripped or if the machine has become unplugged Pre Start Up Tips 8 ...

Page 9: ...e is NOT out of place and that the water trough is empty no water The handle on the water valve will be parallel with the water line when it s open Water trough is out of alignment The handle on the water valve will point away from the water line when it s closed If the water supply is open the water trough is securely in place and there is no water in the water trough ensure that the water level ...

Page 10: ...electrical connection is visible and make sure it s securely connected Push the sensor back up until it clicks into place Visually inspect the water pump to ensure it s level and not out of place Sometimes the water level sensor and water pump can become dislodged during transportation or installation and go unnoticed Pre Start Up Tips 10 ...

Page 11: ...put less space between the sensor and evaporator Part of the installation process is to check that the ice thickness sensor is properly adjusted Too close to the evaporator and the customer will have hollow cubes or worse the machine won t make ice at all Too far from the evaporator and you re freeze time will be too long and the customer will complain of thick or chunky ice Lift the water curtain...

Page 12: ...s Key Features 12 The door can rest on top of machine if needed Simply press in the pin on the top left hinge to remove front panel and place it on top of the ice machine Hinged door access to diagnostic lamps ...

Page 13: ...r cover Hold left right tabs in pull distributor forward IM Series Key Features ABS anti microbial interior no tools required We ve improved upon a classic design using studier parts that won t break the moment they re removed for cleaning and or servicing Remove 3 thumb screws ...

Page 14: ...w you to simply pull the curtain open abut 30 then lift up pull forward to remove ABS anti microbial interior no tools required We ve improved upon a classic design using studier parts that won t break the moment they re removed for cleaning and or servicing No need to bend the curtain and risk breaking it any longer ...

Page 15: ...IM Series Key Features Heavy duty non corrosive platform Every ice machine needs a solid foundation Ours comes with a vacuum formed high density foam injected base which is resistant to rust and corrosion ...

Page 16: ...16 IM Series Key Features Washable magnetic air filter That s right it s magnetic No more plastic clips breaking and or getting lost ...

Page 17: ...ain switch is closed When the ice thickness control senses water the machine goes into defrost The ice will release within 1 1 minutes and drops into the bin The water curtain opens then closes putting the machine back into freeze When the ice bin is full ice will prevent the curtain from closing and the machine will shut down When ice is drawn down the curtain will close and the machine will star...

Page 18: ...atures Pump Motor Bracket The pump motor is secured in a dry environment To remove loosen the thumb screws remove the screws around pump remove the hoses clamp hose lift out Keyhole Slots Screws Removal of the water pump ...

Page 19: ... IM Series Drop Zone 1 IM 0350 0460 0550 22 Series 22 A 22 B 24 8 C 15 D 3 25 E 2 F 2 2 IM 0350 0460 0550 0750 1100 Series 30 A 30 B 24 8 C 15 D 7 5 E 2 F 2 IM Series Drop Zone Chart A B C E F DROP ZONE D ...

Page 20: ...he harvest mode after making ice when the water level sensor high low level detects water level water Error code 16 POWER Lamp Flickers ICE WASH Lamp Flickers When the maximum ice making time 65 minutes is exceeded Error code 11 POWER Lamp Flickers FULL Lamp Flickers When the maximum harvest time 5 minutes is exceeded Error code 12 POWER Lamp Flickers NO WATER Lamp Flickers When the ice making cyc...

Page 21: ...orator pre chill 7 The water pump is energized after the 15 second pre chill circulating water over the evaporator 8 The water inlet solenoid is energized and supplies additional water once water level sits below the low level sensor Happen in 1st cycle only From the second cycle onward even if the low water level is detected no additional water supplied 9 Water circulates over evaporator for appr...

Page 22: ... 4 The hot gas valve is energized for approximately 50 seconds At this time the water pump and water supply valve are de energized 5 The compressor and hot gas valve continue to defrost evaporator until ice falls from evaporator plate 6 Ice falling from evaporator causes the water curtain open close signaling defrost termination 7 With the Curtain closed the machine begins another cycle NORMAL CON...

Page 23: ...et solenoid valve opens for a 30 seconds to fill 4 Water pump then runs for 10 minutes circulating the mix through the water trough pump connecting hose water distributor and evaporator 5 Dump valve solenoid opens for a 40 second flush 6 Water inlet solenoid valve opens for a 30 second fill 7 Water pump then runs for 1 5 minutes to circulate fresh water 8 Dump valve solenoid opens for a 40 second ...

Page 24: ...24 IM Series Wiring Diagram ...

Page 25: ...W Ice Thickness Sensor Bin Switch Display PCB FND PCB Main S W ICE OFF Clean Water Level Sensor Program Upload Port COMP COND WATER PUMP HOT GAS DRAIN Display Up Button Down Button Mode Button Flow Sensor W C Only FND Board Relays light when energized with a GREEN light on the PCB for simple diagnostics ...

Page 26: ...e water supply enters operation Model Initial drain time Drain after harvest Drain after ice making Water supply delay time Pump stop time during ice making Harvest Assist Temperature 30 Series 20s 20s 0680 10s N A 20s 15s 15s N A 0 22 Series 20s 10s N A 10s 5s 15s N A 0 1100 Series 20s 10s N A 10s 30s 15s N A 0 3 Descriptions ON Air cooled OFF Watercooled 4 5 Descriptions ON ON IM 0350 0460 0550 ...

Page 27: ...w Long Sensor low level Red Long Sensor Common Green With the probe disconnected from the harness perform the following tests High level probe to common probe Low level probe to common probe High level probe to low level probe All should read resistance With the probe disconnected from the harness perform the following tests High level probe to high level harness connector Low level probe to low l...

Page 28: ...ce Bulletin Water Level Sensor IM Series Service Bulletin The IM Series water level sensor was changed to a float activated switch It was implemented in January 2022 with serial numbers beginning with VA 28 ...

Page 29: ...the to wires found in the harness connector When the float is in the down position the switch is closed When the float is in the up position the switch is open If the float switch tests good check the wiring harness for continuity If the float switch and the harness test good the problem is with the control board ...

Page 30: ...30 IM Series Service Tips Pinching Tubing Re rounding Tubing ...

Page 31: ...ange the default value followed by the MODE button to save the new value 6 If there are two values for one setting press the MODE button to move between the two value settings 7 The FND will automatically turn off when it has no input for 30 seconds Forced Harvest 1 Press the UP DOWN simultaneously for 3 seconds to force the harvest cycle on the ice machine Forced Drain 1 Press the DOWN MODE butto...

Page 32: ...tal parts such as the water pump and water distribution tube See next page for all FND functions Additionally the FND allows for the adjustment of the water fill time which will extend the fill time for a set amount once the high level sensor is sensed The fill time can be adjusted between 0 30 seconds in 1 second increments The flush time can be adjusted between 0 90 seconds in 1 second increment...

Page 33: ...Harvest Assist Temperature Optional With hot gas run the sub motor if the preset condenser temperature is exceeded 56 138 F by 1 F 0 F Pump Standby Time during Ice Making Optional Stops pump for the preset time when the water temperature in the water vessel turns to 0 0 120 sec by 1 second 15 sec Temperature Selection Choose Celsius or Fahrenheit Water Vessel Water Temp Optional Displays current w...

Page 34: ...erant Headmaster stuck in bypass REMOTE ONLY Electrical Is suction line thermistor open or shorted Defective fan cycling control Evap temp exceeds 23 F after 30 minutes in freeze OR Water Is water inlet solenoid valve leaking by Water regulator restricting water flow WATER COOLED ONLY IM Series Error Codes 34 Air Is the air filter or condenser clogged Is the condenser discharge air being recycled ...

Page 35: ... or giving a false full level reading Does the water pump have power but it s not running Is the water distribution tube scaled up Is the was dump valve dirty or stuck open Ice Thickness Sensor Is the ice thickness sensor adjusted too far out Is the ice thickness sense faulty and not reading properly Refrigerant Is the system undercharged Is the TXV starving the evaporator Is the hot gas valve lea...

Page 36: ...ve times Electrical Is the curtain sensor faulty Has the curtain magnet fallen off the water curtain Dose the hot gas valve have power but it s not opening Is the ice thickness probe too close to the evaporator IM Series Error Codes 36 Refrigeration Dose the hot gas valve have power but it s not opening ...

Page 37: ...ondenser below 20psi WATER COOLED ONLY Is there poor air circulation Is the condenser air filter dirty and in need of cleaning Is the air condenser dirty and in need of cleaning Is the air condenser blocked Does the condenser fan motor have power from PCB Is the condenser fan motor capacitor faulty bad Is the condenser fan motor faulty bad Is the fan blade broken Air Refrigeration Is the system pr...

Page 38: ...from PCB Is the water inlet solenoid valve clogged with scale debris Is there a water filter that s overdue to be changed Does the water level sensor appear scaled up and in need of cleaning Is water overflowing the water trough indicating the water level sensor is not sensing a full trough Is the trough full of water but the water level sensor is indicating that the machine is empty Is the dump v...

Page 39: ...level sensor detects water at the high level probe at end of freeze cycle Water Is the water level sensor faulty or in need of cleaning Is the water inlet valve stuck open or allowing water to bleed through it Faulty PCB IM Series Error Codes 39 ...

Page 40: ...machine is OFF or FULL Water Is the water regulator faulty or stuck open Is liquid line thermistor open or shorted Temporarily disconnecting the thermistor from the PCB will allow the machine to continue to make ice even if the error continues to occur IM Series Error Codes 40 ...

Page 41: ...within 5 minutes Water Is the dump valve faulty or in need of cleaning Does the dump valve have power from the PCB Is the drain line clogged with scale debris Is the water level sensor faulty bad Is the water pump faulty or in need of cleaning Is the water pump getting power from the PCB IM Series Error Codes 41 ...

Page 42: ...42 IM Series Service Tips P T Chart Cycle Times ...

Page 43: ...43 IM Series Service Tips P T Chart Cycle Times ...

Page 44: ...44 IM Series Service Tips P T Chart Cycle Times ...

Page 45: ...45 IM Series Service Tips P T Chart Cycle Times ...

Page 46: ...Tubing Schematic IM Series Tubing Schematic 46 ...

Page 47: ...up to 90 seconds Part Name Main Circuit Board_F90SEC V1 2 Part Code 3670 13400F90 Models All IM Series models FND PCB was upgraded to extend the flush time up to 90 seconds Part Name FND Circuit Board_F90SEC V1 2 Part Code 3670 13100 NOTE Both parts must be used to extend the flush time up to 90 seconds 47 ...

Page 48: ...es Service Bulletin The IM Series ice thickness probe was improved upon by bending its tip It was implemented in November 2021 with serial numbers beginning with UK Please leave a gap of between the probe evaporator when installing the probe BEFORE AFTER 48 ...

Page 49: ...ocation IM Series Service Bulletin The IM Series main switch was relocated from the front panel display to the control panel inside the machine It was implemented in December 2021 on the IM 550 with serial numbers beginning with UL 49 ...

Page 50: ... 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 inside of the machine it is from airborne particulate Carbon removes chlorine Cleaning requires both Ice machine cleaner sanitizer and should be done under good conditions 1 2 times per year 50 Citryne Water Filtra...

Page 51: ...water 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 with water pH above 7 For systems with pH 7 or below use carbon polyphosphate filters 51 ...

Page 52: ...THANK YOU 1 15 2022 ...

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