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SuperSnow KX-450K, Installation Manual, Page: 11 / 39

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3.2 Evaporator installation

Evaporator installation:

1.Remove the evaporator cover:

■ Remove the fixing screws

■ Remove the cover

2.Fix the evaporator in the middle of front wall

panel, tie the nuts when make sure it won’t be

inclined.

3.Tighten the screws.

Summary of Contents for KX-450K

Page 1: ...1 39 Installation Manual KX 450K...

Page 2: ...se and clamp installation 12 5 Refrigeration line defrost drain hoses and electrical cables installation 15 6 Charge compressor oil 21 7 Mount compressormounting kit compressor optional 22 8 Check lea...

Page 3: ...ist safety cap safety glasses and safety shoes Disconnect the vehicle battery Remove the battery ground Then disconnect the positive battery Check the grip brake of truck to ensure it being launched i...

Page 4: ...ns must wear the proper PPE in right way including full body harness with two hooks in the waist safety cap safety glasses and safety shoes Check the grip brake of truck to ensure it being launched in...

Page 5: ...THE DOCUMENT DELIVERED WITH THE UNIT 2 Unpack the box 3 Check the box content corresponds to the bill of material on the packaging Condenser Evaporator Mounting kit Cab command Note In the event of a...

Page 6: ...allation Before installation Take care not to obstruct the air intakes on the evaporator section and the ventilation ducts For any mobile partition installation contact our Technical Department or ref...

Page 7: ...1 Present the drilling template not supplied refer to the bodybuilder drawing 2 Mark out the 4 fixing holes and the electrical harness and hoses hole and drill 12 5mm Evaporator installation 1 Presen...

Page 8: ...8 39 3 Preparation before condenser and evaporator installation KX 450K condenser installation drawing...

Page 9: ...9 39 3 Preparation before condenser and evaporator installation KX 450K evaporator installation drawing...

Page 10: ...Condenser installation Condenser installation 1 Remove the cover Remove the fixing nuts Remove the cover 2 Fix the condenser in the middle of front wall panel tie the nuts when make sure it won t be...

Page 11: ...lation Evaporator installation 1 Remove the evaporator cover Remove the fixing screws Remove the cover 2 Fix the evaporator in the middle of front wall panel tie the nuts when make sure it won t be in...

Page 12: ...less variation in temperature as possible and sheltered from moisture The two ends MUST ABSOLUTELY been blocked with tight caps to avoid any internal damages or condensation until their connection int...

Page 13: ...Tools required 2 Cut the hose at the right length with appropriate tool 3 Remove the hose cover 4 Put POE oil on the connector on fitting 5 Widen hose clearance with adapted tool before to insert doub...

Page 14: ...the fitting 2 Insert connector in the hose 3 Crimp the double click clamp with appropriate crimping tool 4 Example of a good preparation The clamp gauge arrow is set between the hose and the fitting...

Page 15: ...Keep enough length to avoid length variation when the pipes are under pressure 3 Pipes length can vary between 2 to 4 4 Using elbows and fittings make easier installations assist accessibility and in...

Page 16: ...ses Recommendation Check O ring if good if not please replace with new one Five ports in condenser 2 connected to compressor 3 connected to evaporator 1 Suction line LP return gas evaporator 2 2 Road...

Page 17: ...ction refrigeration hoses 3 Pipes to condenser 1 Hot gas defrost 2 Suction LP return gas 3 Liquid Recommendation Marks shall be made on the hot gas pipe line at both ends of the pipe to avoid confusio...

Page 18: ...s to fix the pipes on the front wall to avoid shaking The strapping tape require 300mm also can increase elegant appearance 4 The service valve should locate in a place which won t shake so can preven...

Page 19: ...tion line defrost drain hoses and electrical cables installation Unit battery cable connection 1 Run the cab cable and hoses through the box 2 Connect motors of evaporator 3 Maintain all cables with p...

Page 20: ...ATIONS A descent of MINIMUM 100mm must be applied between the drain water hoses and the hoses inside the body to help to drain water out 1 Install drain hoses 2 Connect the drain hoses 3 Fix the drain...

Page 21: ...he oil come together with compressor Charging Choose one way to charge the excess oil into system 1 Suck the oil into low pressure side during vacuum 2 Charge the high pressure pipe before the oil sep...

Page 22: ...ng hoses and battery harness to the compressor and vehicle battery 2 Attach regularly the harness with plastic tie wraps and base tie wraps onto the chassis 3 Insulate the hole with silicon RECOMMENDA...

Page 23: ...pressor optional Compressor connection Compressor is separate from evaporator and condenser connect to the vehicle engine with belt connect the evaporator and condenser with hose 1 Connect the EXHAUST...

Page 24: ...ssor connection RECOMMENDATIONS Make sure right thermo switch to good connection with the exhaust pipe and wrap it well with insulated materials 1 Fix the thermo switch on the compressor exhaust pipe...

Page 25: ...25 39 7 Mount compressor mounting kit compressor optional Compressor connection 1 Fix all hoses and harness with plastic tie wraps 2 Ensure the suction pipe go smooth to prevent oil bay...

Page 26: ...the compressor side 2 Connect the vacuum pump to the manifold gauges 3 Start the vacuum pump and vacuum for 15 min to remove the air in the circuit 4 After 15mn stop the vacuum pump 5 Connect the nitr...

Page 27: ...it vacuum System vacuum Remove the nitrogen Start the vacuum pump Apply Triple evacuation process refer to refrigeration training module Stop the vacuum pump Check if vacuum is complete with vacuumete...

Page 28: ...ant cylinder on scale Connect charging line from cylinder to manifold 3 Purge charging line at inlet manifold 4 Note the weight of refrigerant cylinder The unit must be stopped during this operation 5...

Page 29: ...rilling the floor check the location of fuel tank harness and or tubes 1 Drill a hole in the cab floor behind driver or passenger seat depends on battery location RECOMMENDATIONS Protect the hole ex a...

Page 30: ...NOTE For cab IGNITION KEY harness fitting refer to the vehicle mounting kit instructions Connect the ignition switch line to the vehicle dashboard Connect the white wires to fuse 1A Refer to the corr...

Page 31: ...on RECOMMENDATIONS Take care not to pierce any harness or hoses within the dashboard If the cab command is built into the dashboard fit it as far as possible from the heating ducts Maximum temperature...

Page 32: ...1 Clean the terminals firstly before main circuit connecting 2 Connect the main circuit as First picture 3 Paint grease on the terminals to prevent corrosion Note Second picture is wrong the wires ins...

Page 33: ...n 1 Install right fuse in the fuse holder 2 Install protection cap on the fuse 3 Connect to one end of the fuse holder 4 The shorter battery 50cm wire connected to one end of fuse the other to 5 Conne...

Page 34: ...efrigerant returning to the compressor from the evaporator this ensures correct capacity for the unit The Compressor Regulation valve also reduces the load on the compressor during start up whilst in...

Page 35: ...00 rpm 4 Remove CPR cap 5 Adjust CPR to get gauge pressure value with hexagonal socket head wrenches n 8 To raise the suction pressure turn the setting screw clockwise To lower the suction pressure tu...

Page 36: ...the unit on COOLING mode PO Evaporator outlet pressure TO The corresponding saturation temperature of PO T1 Temperature in expansion thermal bulb Superheat T1 T0 4 Correct superheat Turn anti clockwi...

Page 37: ...37 39 13 Pipe connect drawing a Evaporator b Condenser c Controller d compressor e Pipes hareness...

Page 38: ...38 39 14 Installation overview...

Page 39: ...39 39 Zhengzhou Kaixue Cold Chain Co Ltd Address Zhongmu Auto Industry Park Zhengzhou 451450 Henan China Tel 0371 56701069 Fax 0371 60862175 Website www supersnowcold com...

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