Cooper & Hunter CH-CH10SNM Service Manual Download Page 44 | Manualshive

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Cooper & Hunter CH-CH10SNM Service Manual Download Page 44

42

Mini Chiller

Service Manual

2) Remove electric box

Loosen the screws fixing the box cover. Remove all

pressure switches and temp. sensor. (See Fig.3)

3) Remove compressor and gas-liquid separator

Remove the connection wire of compressor (See
Fig.4)
welding out the suction pipe and discharge pipe.
(See Fig.4)
Loosen the bolts fixing the compressor and
Remove the compressor and gas-liquid separator.

Electric box

Fig. 3

Gas-liquid separator Compressor

Fig. 4

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Summary of Contents for CH-CH10SNM

Page 1: ...onditioner please read this service manual carefully before operation and retain it for future reference MINI CHILLER Service manual Mini Chiller Models CH CH8SNM CH CH10SNM CH CH12 5SNM CH CH15SNM CH...

Page 2: ...CHART 9 2 MAIN LOGIC 11 3 WIRED CONTROLLER 13 4 CONTROL WIRING DESIGN 17 UNITS INSTALLATION 19 1 UNITS INSTALLATION 19 2 WATER PIPING WORK 24 3 ELECTRIC WIRING WORK 24 UNITS MAINTENANCE 30 1 ERROR COD...

Page 3: ...1 Mini Chiller Service Manual PRODUCT PRODUCT...

Page 4: ...Capacity Power Supply Appearance Refrigerant Model Name kW V Ph Hz R410A CH CH8SNM CH CH8SNM I 7 5 380 415V 3Ph 50Hz CH CH8SNM O CH CH10SNM CH CH10SNM I 10 0 CH CH10SNM O CH CH12 5SNM CH CH12 5SNM I 1...

Page 5: ...8 CH CH35MNM 31 CH CH45MNM 42 Note 1Ton 12000Btu h 3 517kW 2 NOMENCLATURE 1 1 Split Type Description Options 1 Mini chiller 2 3 Nominal Cooling Capacity 8 7 5kW 2 13RT 10 10 kW 2 84RT 12 5 12 5kW 3 5...

Page 6: ...1kW 8 82RT 45 42kW 11 94RT 4 Perfomance Type M Monoblock S Split 5 Refrigerant N R410A 6 Voltage M 380 415V 3Ph 50Hz 3 FUNCTION Indoor Unit Type Function Description Split Type Heating Cooling Interfa...

Page 7: ...1 Evaporator Heat Exchanger Tube in Tube Water In Out Pipe Diameter Inch 1 Female BSP 1 Female BSP 1 Female BSP 1 Female BSP Condenser Heat Exchanger Aluminum fin copper tube Fan Motor Power Input kW...

Page 8: ...Water In Out Pipe Diameter Inch 1 Female BSP 1 Female BSP 1 1 2 Female BSP 1 1 2 Female BSP Condenser Heat Exchanger Aluminum fin copper tube Fan Motor Power Input kW 0 4 0 4 0 6 0 8 Pump Water Flow...

Page 9: ...1 66 11 6 2 2 0 0 7 13 0 8 5 CH CH12 5SNM 1 67 13 7 2 2 0 0 7 14 5 10 5 CH CH15SNM 1 67 13 7 2 2 0 0 7 14 5 10 5 4 3 2 Integral Type Model Rated Power Supply Compressor Fan Motor Pump Total NO LRA ea...

Page 10: ...8 Mini Chiller Service Manual CONTROL CONTROL...

Page 11: ...9 Mini Chiller Service Manual CONTROL UNITS CONTROL 1 OPERATION FLOWCHART 1 1 Cooling Operation...

Page 12: ...10 Mini Chiller Service Manual CONTROL 1 2 Heating Operation...

Page 13: ...rements the fans of outdoor unit will start Then the compressor will run in 15s During the period of cooling the unit will be turned off if the outlet water temperature meets the stopping requirements...

Page 14: ...nit will stop and all loads except the water pump will be turned off 2 3 Defrosting Mode The condition of start defrosting mode Under heating mode if the accumulative running time of compressor is ove...

Page 15: ...13 Mini Chiller Service Manual CONTROL 3 WIRED CONTROLLER 3 1 Dimension 20 4 3 2 Function 3 2 1 Operation View EXIT...

Page 16: ...s this button for long about 5s to set sound and make sound switches between always on and always off 6 ON button To turn on the unit when under compel operation press it once to quit compel operation...

Page 17: ...ion Caution a When unit is off it displays only temperature of back water When unit is on under normal state if there is no error it displays temperature of back water if there is error it displays er...

Page 18: ...Plate of Wire Controller 3 Screw M4 10 4 Panel of Wire Controller Caution a The communication distance between the main board and the wire controller can be as far as 20m The standard distance is 8m b...

Page 19: ...troller in RS485 The indoor unit controller connects manual controller with 4 line twisted pair Similarly the indoor unit controller connects outdoor unit controller with 4 line twisted pair Indoor Un...

Page 20: ...18 Mini Chiller Service Manual INSTALLATION...

Page 21: ...te for servicing c The space around the unit allows for sufficient air circulation d There is no danger of fire due to leakage of flammable gas e All piping lengths and distances have been taken into...

Page 22: ...20 Mini Chiller Service Manual CH CH10SNM O CH CH12 5SNM O CH CH15SNM O Unit mm 378 CH CH8SNM I CH CH10SNM I CH CH12 5SNM I CH CH15SNM I Unit mm...

Page 23: ...21 Mini Chiller Service Manual b Integral Type CH CH22MNM CH CH25MNM Unit mm Water outlet Water inlet Water filled valve CH CH35MNM CH CH45MNM Unit mm...

Page 24: ...2 INSTALLATION CLEARANCE DATA a Split type Outdoor unit unit mm demonstration L1 L2 L3 L4 distance 500 1000 500 500 b Split type Indoor unit Nut with washer Spring washer for nut unit mm demonstratio...

Page 25: ...23 Mini Chiller Service Manual Integral Type 1750 1290 foundation bolt 4 M12...

Page 26: ...Correction Factor 1 0 0 985 0 980 0 974 0 970 0 965 Water Flow Correction Factor 1 0 1 02 1 04 1 075 1 11 1 14 Pressure Drop Correction Factor 1 0 1 07 1 11 1 18 1 22 1 24 3 ELECTRIC WIRING WORK 3 1...

Page 27: ...25 Mini Chiller Service Manual 3 3 WIRING DIAGRAM The wiring diagrams stuck to the unit always prevail 3 3 1 Wiring Diagram Split Type 3 3 1 1 Outdoor Units Model CH CH8SNM O Model CH CH10SNM O...

Page 28: ...26 Mini Chiller Service Manual Model CH CH12 5SNM O Model CH CH15SNM O...

Page 29: ...27 Mini Chiller Service Manual 3 3 1 2 Indoor Units 3 3 2 Wiring Diagram Integral Type Model CH CH22MNM CH CH25MNM...

Page 30: ...28 Mini Chiller Service Manual Model CH CH35MNM CH CH45MNM D419 D451 D420 D452 113 114 115 116...

Page 31: ...29 Mini Chiller Service Manual MAINTENANCE...

Page 32: ...protection Press ON OFF key to clear b2 System 2 antifreeze protection Auto resume b3 Comp 2 Low pressure protection Press ON OFF key to clear b4 Comp 2 Discharge temp protection Press ON OFF key to...

Page 33: ...31 Mini Chiller Service Manual 2 FLOW CHART OF TROUBLESHOOTING...

Page 34: ...32 Mini Chiller Service Manual...

Page 35: ...1 Outdoor Unit Operation Procedure Illustration 1 Remove the front case a Remove the panel Loosen the two tapping screws fixing the front grill Pull down and remove the front grill See Fig 2 b Remove...

Page 36: ...l c Remove the front plate Loosen the two tapping screws fixing the front plate Remove the front plate See Fig 5 d Remove the grill Loosen the two tapping screws fixing the grill Remove the grill See...

Page 37: ...n the ball nuts fixing the axial fan and remove the washer See Fig 7 Pull outward to remove the impeller See Fig 7 3 Remove the motor Loosen the screws fixing the motor support Remove the motor suppor...

Page 38: ...emove the 4 way valve Loosen the screws fixing the coil of 4 way valve Remove the coil of 4 way valve Welding out the tubes connected to the 4 way valve Remove the 4 way valve See Fig 11 Note When wel...

Page 39: ...ensor See Fig 13 6 Remove compressor and gas liquid separator Remove the connection wire of compressor See Fig 14 welding out the suction pipe and discharge pipe See Fig 14 Loosen the bolts fixing the...

Page 40: ...ig 15 Note When welding the valve should be covered by wet cloth in order to avoid the high temp hurt b Remove liquid valve Loosen the bolts fixing the liquid valve welding out the pipe connected to t...

Page 41: ...screws fixing the cover See Fig 1 Remove the cover See Fig 2 2 Remove electric box Loosen the screws fixing the box cover Remove all pressure switches and temp sensor See Fig 3 3 Remove the water pump...

Page 42: ...ove the tube in tube heat exchanger See Fig 5 5 Remove the flow switch Loosen the joints fixing the flow switch Remove the flow switch See Fig 6 6 Remove the expansion gas tank Loosen the joints fixin...

Page 43: ...41 Mini Chiller Service Manual 3 2 Integral Type 1 Remove the front case Loosen the tapping screws fixing the front case See Fig 1 Pull down and remove the front case See Fig 2 Fig 1 Fig 2...

Page 44: ...temp sensor See Fig 3 3 Remove compressor and gas liquid separator Remove the connection wire of compressor See Fig 4 welding out the suction pipe and discharge pipe See Fig 4 Loosen the bolts fixing...

Page 45: ...water pump Loosen the joints fixing the water pump Remove the water pump See Fig 5 5 Remove the expansion gas tank Loosen the joints fixing the expansion gas tank Remove the expansion gas tank See Fig...

Page 46: ...fixing the flow switch Remove the flow switch See Fig 7 7 Remove the shell and tube heat exchanger welding out the pipes connected to the shell and tube heat exchanger Remove the shell and tube heat...

Page 47: ...No Name of Part Part Code Quantity 1 Front Grill 22265401 1 2 Front Plate 01435103P 1 3 Protection Grill 01475401 1 4 Top Cover 01255012P 1 5 Back Side Plate 01305450 1 6 Handle 26235253 2 7 Valve Sup...

Page 48: ...20 Pressure Switch 460200061 1 21 Temp Sensor 3900012126G 1 22 Electric Box 01392129 1 23 Terminal Board 42011043 1 24 Transformer 57X25D 43110240 1 25 Terminal Board 42011103 1 26 MainPCB WZ163 3022...

Page 49: ...Rear Side Panel 01305434 1 10 Capillary Sub Assy 04102108 1 11 Clapboard Sub Assy 01235440 01242201 1 12 Motor Support Sub Assy 01705471 1 13 Chassis Sub assy 01205433 01192107P 1 14 Condenser Assy 0...

Page 50: ...Panel Sub Assy 01305430 1 9 Rear Side Panel 01305434 1 10 Capillary Sub Assy 04104223 1 11 Clapboard Sub Assy 01235440 1 12 Motor Support Sub Assy 01705471 1 13 Chassis Sub assy 01205433 1 14 Condens...

Page 51: ...Rear Side Panel 01305434 1 10 Capillary Sub Assy 04102261 1 11 Clapboard Sub Assy 01242202 1 12 Motor Support Sub Assy 01705471 1 13 Chassis Sub assy 01192109P 1 14 Condenser Assy 01122265 1 15 Front...

Page 52: ...1 8 Outlet Water Pipe Sub Assy 03248247 1 9 Auto Water Replenishing Valve 07108207 1 10 Right Side Plate 2 01302120 1 11 Enter Water Pipe Sub Assy 03248248 1 12 Emergency Valve 07188204 1 13 Right Sid...

Page 53: ...538247 1 4 Double Pipe Heat Exchanger 009082291 1 5 Left Side Plate 01302116 1 6 Cross Beam Sub Assy 01778240 1 7 Base Frame Assy 01202117 1 8 Brace Assy 01758216 1 9 Expansion Drum 07228219 1 10 Rear...

Page 54: ...2 01302114 1 20 Enter Water Pipe Sub Assy 03248248 1 21 Outlet Water Pipe Sub Assy 03248247 1 22 Auto Air Outlet Valve 07108208 1 23 Display Board 30291603 1 24 Pinboard 30271001 1 25 Terminal Board...

Page 55: ...ter Replenishing Valve 07108207 1 11 Right Side Plate 2 01302114 1 12 Enter Water Pipe Sub Assy 03248248 1 13 Emergency Valve 07188204 1 14 Gas Tube Sub Assy 1 15 Gas Tube Sub Assy 2 16 Liquid Tube Su...

Page 56: ...uble Pipe Heat Exchanger 00908229 1 5 Left Side Plate 01302116 1 6 Cross Beam Sub Assy 01778240 1 7 Base Frame Assy 01202117 1 8 Brace Assy 01758216 1 9 Expansion Drum 07228219 1 10 Rear Panel Assy 01...

Page 57: ...03248248 1 21 Outlet Water Pipe Sub Assy 03248247 1 22 Auto Air Outlet Valve 07108208 1 23 Display Board 30291603 1 24 Pinboard 30271001 1 25 Terminal Board 42010254 1 26 AC Contactor 44010245 1 27 Ma...

Page 58: ...Water Pump 43138206 1 17 Emergency Valve 07188204 1 18 Support Sub Assy for Water Pump 01802101 1 19 Water flow switch FSF50P 1R1 45028209 1 20 Expansion vessel 072282191 1 21 Outlet Water Pipe Sub As...

Page 59: ...8 Electric Box Cover 01262101 1 49 AC Contactor 44010232 4 50 Transformer 43110028 1 51 AC Contactor 44010213 2 52 Receiver Board J 30261002 1 53 Terminal Board 42010254 1 54 Terminal Board 42011051 1...

Page 60: ...art Code Quantity 1 Condenser assy 1 01122805 1 2 Rear Grill 01572102 1 3 Water Collecting Tray Sub Assy 01282102 1 4 Air Guard 01352103 1 5 Pressure Protect Switch 4602001512 1 6 Pressure Protect Swi...

Page 61: ...iner 072200052 2 25 Double Pipe Heat Exchanger 00902101 1 26 Support Sub Assy for Water Pump 01802101 1 27 Water Pump 43138206 1 28 Handle 26235253 4 29 Front Panel 01542101 1 30 Front Panel 01542102...

Page 62: ...61002 1 53 Terminal Board 42011051 1 54 Phase Reverse Protector 46020054 1 55 Terminal Board 42010254 1 56 Transformer 43110028 1 57 Terminal Board 42011204 1 58 Single phase Air Switch 45020203 1 59...

Page 63: ...Protect Switch 4602001510 1 20 Gas liquid Separator 07424144 2 21 Base Frame Assy 01202113 1 22 Pressure Protect Switch 4602001513 1 23 Inhalation Tube Sub Assy 2 04672264 1 24 Compressor Gasket 76813...

Page 64: ...1 56 Auto Water Replenishing Valve 07108207 1 57 Relief Valve 07188204 1 58 Auto Air Outlet Valve 07108208 1 59 Sensor sub assy 39002201 1 60 Terminal Board 42011204 1 61 Main Board 30221001 30221205...

Page 65: ...binet Sub assy 01392391P 1 7 Side casing 0176821201 2 8 Clapboard Sub Assy 1 01238218 1 9 Right Side Plate 01308276 1 10 Clapboard 3 01238210 1 11 4 way Valve Sub Assy 2 04142252 1 12 Discharge Tube S...

Page 66: ...ter flow switch 45028209 1 41 Expansion Drum Fixed Mount Sub Assy 0174821201 1 42 Discharge Tube Sub Assy 1 04632280 1 43 Brace 01722101 1 44 Clapboard Sub Assy 2 01238220 1 45 Left Side Plate 0130827...

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