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SERVICE   MANUAL   

   

   

CG2   Commercial   Grade   Dehumidifier   

SLS   Part   Number   700899   

   
   

   

   
   

Summary of Contents for CG2

Page 1: ... SERVICE MANUAL CG2 Commercial Grade Dehumidifier SLS Part Number 700899 ...

Page 2: ... Guide 9 Disassembly Instructions 9 1 Disassembly of front housing 9 2 Disassembly of rear housing and wheels 10 Routine Maintenance 10 1 Cleaning the Air Filter 10 2 Replacing the Battery 10 3 Checking wiring connections 10 4 Cleaning evaporator surface 10 5 Checking the refrigerant charge 11 Repair Instructions 11 1 Replacing the water pump 11 2 Replacing the motor 11 3 Replacing the PCB 11 4 Re...

Page 3: ...f damage If there is evidence of damage do not operate Call the store you purchased the unit from to discuss next steps Do not discard packing manuals or any contents Original packaging and materials are required for any product return Do not disassemble or repair the product while plugged in 1 3 Installation Precautions Please follow these warnings during installation to prevent risk of fire or e...

Page 4: ... the unit becomes soaked with water flooded or submerged contact Ideal Air Support before using Disconnect power when cleaning or maintaining the product If not using for an extended period of time disconnect the power supply plug and or turn off the breaker to the unit Do not block the flow of air at the inlet or the outlet It may cause product failure and or unnecessary reduction of useful life ...

Page 5: ...t is lower than the actual humidity reading and the display will read completed The unit will resume operation after the actual humidity reading is higher than the set point 1 2 When the set point is adjusted to below 26 the unit will run on continuous dehumidify mode The display will read CO for continuous operation 1 3 In the event of a power loss the humidity set point is held in the system mem...

Page 6: ...o operate across a wider range of temperatures The unit is programmed to restrict defrost operation to the times when ambient temperature falls below 75 degrees F The defrost control sequence is as follows NOTE Te Ambient Temperature 1 When Te is less than 32 F and greater than 105 F the compressor and fan motor stop will stop working 2 When Te is between 32 F and 75 F 2 1 Continuous Operation run...

Page 7: ...ct heat be applied to the evaporator coil in an attempt to remove ice buildup No attempt should be made to cut open any part of the refrigeration circuit due to high pressures and the presence of refrigerant gases If power supply is lost to the unit it must be allowed to stand by for at least three minutes before restarting Failure to do so may cause the over current protection fuse to blow due to...

Page 8: ...E CURVES 110 120V 60Hz Performance curves CAPACITY Pints Day POWER tĂƩƐͿ AMBIENT TEMPERATURE HUMIDITY 220 200 180 160 140 120 100 80 60 1600 1500 1400 1300 1200 1100 1000 900 800 90ȗF 90 RH 86ȗF 80 RH 80ȗF 80 RH 80ȗF 60 RH AMBIENT TEMPERATURE HUMIDITY 90ȗF 90 RH 86ȗF 80 RH 80ȗF 80 RH 80ȗF 60 RH ...

Page 9: ...11 5A Rating Power Input Current 80 F 60 RH 1045W 9 5A Power Supply 110V 120V 60Hz Refrigerant R410A 760g Working Temperature 41 F 95 F Controls Electronic Touchpad Process Air 306 CFM Unit Size inches 21 3 x 21 3 x 31 9 Packing Size inches 22 8x22 8x33 5 Net Gross Weight 104lb 115lb Compressor Model TOSHIBA EA103 Type ROTARY Capacity BTU 10130BTU Input power W 985 Current A 9 22 Capacitor uF 55 u...

Page 10: ... 6 Back housing PE Rotational moulding 7 Expansion module component PCB Optional Function Part 8 LCD Display PCB 9 Pull rod D20 Stainless steel tube 10 Power cord fixed support 4 iron wire 11 M6 outside hex screws M6 25 12 Power cord Buckle ABS T 2 0 13 Air outlet metal grill outtake 1 5 iron wire 14 Handle PE Rotational moulding 15 M6 outside hex screws M6 45 16 USB screw hole cover silica gel 17...

Page 11: ...mpressor capacitor support Galvanized sheet T 0 5MM 4 9 Evaporator and Condenser support Galvanized sheet T 1 0MM 4 10 Four way valve DHF 5 R410A 4 11 Gas exhaust pipe T2Mφ7 0 7 4 12 Compressor 4 13 Back support frame Galvanized sheet T 1 0MM 4 14 Right support frame Galvanized sheet T 1 5MM 4 15 M6 rivet nut M6 Galvanized 4 16 Semi pneumatic Rubber wheel 1200RPB Black D300 4 17 Wheel Connecting r...

Page 12: ...rely plugged in The humidity sensor s terminals are not securely plugged in 1 The coil sensor has fallen off 2 Refrigerant leak 1 Water pump is damaged 2 Debris in water pump Remedy 1 Check to ensure the coil sensor s terminal is securely plugged in 2 Replace the coil sensor 3 Replace display panel PCB 1 Check to ensure the humidity sensor s terminal is securely plugged in 2 Replace the humidity s...

Page 13: ...the wire connections if not according to the wiring diagram correct the connections Capacitor Discharge capacitor before servicing Check the capacitor Replace if not within 10 of manufacturer s rating Replace if shorted open or damaged Compressor Check the compressor for open circuit or ground If open or grounded replace the compressor Overload protector O L P Check the compressor O L P if externa...

Page 14: ... pump basin must be properly positioned by keeping unit upright External water pipe or inside water pipe are loose Tighten any loose water connections 6 Compressor cycles on off with overload protection Poor air circulation Move dehumidifier for free and unobstructed air flow Evaporator coils clogged with dust or dirt Clean dust or dirt on the evaporator coils Fan Motor If fan is not determine the...

Page 15: ...and control panel see pictures below STEP 1 Remove the nuts from the axel on each wheel hub Remove wheels from unit STEP 2 Place a support under the unit after removing each wheel to avoid tilting the unit STEP 3 Remove the four 4 screws holding the screen and panel in place Remove label STEP 4 Remove two 2 screws attaching to PCB to panel Pull out lead wire from the PCB STEP 1 STEPS 3 4 STEP 5 se...

Page 16: ...spection weekly to determine if debris build up has clogged the filter 10 2 Cleaning the air filter STEP 1 Remove the filter as shown in the diagram below STEP 2 Vacuum any debris from the filter STEP 3 Use lukewarm water and a mild detergent to wash the filter STEP 4 drying STEP 5 Re install the filter into the dehumidifier 10 3 Replacing the battery see images below NOTE Replace the battery ever...

Page 17: ...m cleaner gently clean away the accumulated debris from the evaporator coil STEP 3 Re install the Filter Cover and the Filter WARNING DO NOT STEAM CLEAN REFRIGERATION COILS OR USE HARSH CHEMICALS 10 6 Check for indication of low refrigerant charge STEP 1 Disassemble the front housing refer to section 9 1 STEP 2 Run the unit for 15 minutes and briefly remove the cover STEP 3 Inspect the evaporator ...

Page 18: ...bes connected to the water pump 4 Remove the pump cover disconnect the pump and water level sensor and mark the sensor wires to help with proper re attachment 5 Replace the new water pump and re install all wires and tubes 11 2 Replacing the fan motor STEP 1 If the motor is not running first determine the cause Replace only if required STEP 2 Please take off the front and back housings STEP 3 As b...

Page 19: ...you are careful when you disconnect and reconnect the leads from the PCB STEP 1 Take off the front housing and control panel STEP 2 Remove two 2 screws securing the sensor to the front of the evaporator coils STEP 3 Disconnect wire for the temperature and humidity sensors from the PCB STEP 4 Replace the temperature and humidity sensor STEP 5 Re install control panel housing etc 11 5 Replacing the ...

Page 20: ...ation STEP 1 Take off the front housing STEP 2 Find the source of the leak and repair using specific refrigerant grade solder STEP 3 Locate the pinch off tubes see picture below and solder on service valves STEP 4 Connect a vacuum pump and evacuate refrigerant system for 20 to 30 minutes until 15Pa 30Pa of vacuum are obtained STEP 5 Charge the system with the refrigerant charge listed on the ratin...

Page 21: ...mal operation 3 Next step is to check the start capacitor 4 If all of these checks do not identify faulty components the compressor will need to be replaced Contact Ideal Air Support for next steps 11 8 Replacing the capillary tube When one or both of the capillary expansion tubes is blocked you will see that only half of the evaporator coils is freezing Upon closer inspection you may notice that ...

Page 22: ...22 12 SERVICE PARTS LIST Part Number Description 460598 Compressor capacitor 460600 Motor 460602 Motor capacitor 460604 Main PCB 460606 LCD Display 460608 Temperature and humidity sensor 460610 Water pump 460612 Display film 460614 Wheel 460616 Activated carbon filter 460618 Clamp ...

Page 23: ... during transportation 4 Any damage or improper repairs including misuse negligence and insufficient maintenance 5 Damage caused by force majeure 6 Damage to wheels which are easily broken by improper usage 7 Ideal Air will not be responsible for the following for any warranty claim a Pickup or delivery of the equipment for repair by Ideal Air or other authorized facility b Rental of replacement e...

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