Liebert CRH 004, Service Manual

Page 1: ...SERVICE MANUAL English Cod 273044 Rev 25 05 2005 Issued by T D Service HIGH PERFORMANCE AIR COOLED CHILLER R 004 032...

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Page 3: ...ification labels affixed to the outside and inside of the unit IMPORTANT This manual may be subject to modification for complete and up to date information the user should always consult the manual su...

Page 4: ...evapo rator The components of the liquid line are the charging valves filters dryers solenoidvalve shut offvalve moistureindicator and thermostatic expansion valve The hydraulic circuit with max worki...

Page 5: ...units are arranged with connection flanges for the air intake and delivery ducts if the units are ordered with metal filters to protect the condensing coils the connection flanges for the intake side...

Page 6: ...the circuit with a depending on the minimum temperature of the outside air expected at the installation site Do not exceed the nominal operating pressure of the circuit s components Notes S To avoid s...

Page 7: ...ion is not satisfied it is necessary to install an inertia tank Vpt as indicated in the Fig a with a volume at least equal to the following value Vpt V Vm Vpc V 43 x Rt Xd H2O T C Density kg m3 Expans...

Page 8: ...Make sure the fans rotate in the correct direction anticlock wise check the electrical connections if necessary 6 Make sure the pumps rotate in the correct direction 7 During the unit start up an inl...

Page 9: ...r stoppages Whenever work is carried out on the unit ensure afterwards that the working conditions are correct checking sub cooling and superheating 5 2 Oil charge Contact the Technical Support Depart...

Page 10: ...ery sharp Donot remove the fanprotection grille before electrically isolating the whole machine Do not in sert foreign matter through the fan protection grille After the maintenance interventions alwa...

Page 11: ...and is made up of plate heat exchangers installed on each circuit before the condenser The exchangers are pro tected by a suitable anti frost heater that operates when the sy stem is stopped It is rec...

Page 12: ...er tank is supplied insulated with a drain valve vent valve and connection for immersion electric heaters maximum operating pressure 6 bar Built in carbon steel and coated with anti condensation insul...

Page 13: ...rant charge each circuit kg 12 6 7 5 13 9 7 7 23 7 12 9 12 9 14 5 19 9 20 8 Oil charge each circuit lt 6 2 8 0 8 0 3 25 3 25 3 3 6 2 8 0 8 0 8 0 CRH 017 032 Models 017 020 023 025 028 030 032 Refriger...

Page 14: ...ons outdoor temperature 35 C water inlet outlet 12 7 C Chiller versions glycol mixture 30 inlet outlet 15 10 C SuperChiller versions Heat recovery conditions water inlet outlet 40 45 C Tab 4 CRH SRH 0...

Page 15: ...34 1 85 2 45 4 61 20 134 1 85 2 45 4 61 40 160 40 4 0 4 0 8 50 Electrical cable section min mm2 16 16 25 25 35 35 35 50 70 95 1 Outdoor air temperature 35 C water inlet outlet temperature 12 7 C Nomin...

Page 16: ...air flow and 50 Pa available air static pressure SRH 017 032 R 407C Size 017 020 023 025 028 030 032 Power supply 400 V 3 Ph 50 Hz OA 1 FLA LRA Compressors power input 1 Compressors nominal current 1...

Page 17: ...e switch Barg Barg Barg 26 0 29 0 2 8 1 With nominal air flow water flow outlet at 7 C full load SRH 004 016 R 407C Size 004 006 007 204 206 207 008 011 014 016 Working Range Max outdoor air temperatu...

Page 18: ...142 88 78 Pump quantity Nr 1 2 Pump rotor model 12 129 12 136 20 128 20 134 Nominal motor power kW 0 75 1 1 1 5 1 85 Noise level dB A 58 63 65 Pump weight kg 10 4 12 7 13 8 15 4 According to ISO 3744...

Page 19: ...xture flow m3 h 7 83 7 83 10 26 10 08 12 58 12 64 15 45 20 12 26 24 31 92 SRH Available head pressure kPa 233 277 183 221 199 234 197 170 138 223 Pump quantity Nr 1 2 Pump rotor model 32 160 30 40 160...

Page 20: ...ressure Max fan speed signal Fan speed Absorbed unitary power Fan discharge sound power PWL Pa V Rpm W dB A 50 8 6 1099 1910 87 100 8 9 1135 2140 88 150 9 2 1172 2390 88 200 9 5 1208 2650 88 250 9 8 1...

Page 21: ...72 2780 92 Standard air flow 13250 m3 h 3 Ph fan TRIAC Models CRH 017 020 023 025 028 030 Useful static pressure Max fan speed signal Fan speed Absorbed unitary power Fan discharge sound power PWL Pa...

Page 22: ...odels SRH 032 Useful static pressure Max fan speed signal Fan speed Absorbed unitary power Fan discharge sound power PWL Pa V Rpm W dB A 50 6 8 1272 4050 93 100 7 3 1300 4250 93 150 8 0 1326 4450 93 2...

Page 23: ...n 2 units from condensing coil side 2 m 1500 mm with 160 200 Lt Tank 2500 mm with 400 Lt Tank 1000 1000 1000 500 with duct 1500 without duct AIR Fig 2 Service areas CRH SRH 017 032 top view Ordinary m...

Page 24: ...plit pins as shown above A The capacity of the lifting gear must be adequate to lift the load in question Check the weight of the unit the capacity of the lifting gear and ropes and the condition and...

Page 25: ...condition and suitability of the aforementioned equipment Lift the unit with a speed suitable for the load to be moved so as not to damage the structure STRAIGHT SHACKLE 14 UNI 1947 A TYPE OPTIONAL LI...

Page 26: ...1 22 0 59 1 32 0 59 CRH 207 1 18 0 64 Not available CRH 008 1 17 0 63 1 25 0 63 CRH 011 1 10 0 63 1 18 0 62 CRH 014 1 50 0 64 1 62 0 63 CRH 016 1 45 0 63 1 57 0 63 SRH 004 0 86 0 60 0 92 0 60 SRH 204...

Page 27: ...of the tubes in position with the locking pins and split pins as shown above A The capacity of the lifting gear must be adequate to lift the load in question Check the weight of the unit the capacity...

Page 28: ...4 016 Weight distribution kg W 1 W 2 W 3 W 4 W 5 W 6 W 7 W 8 W 9 W 10 Model Size CRH 004 221 151 241 165 204 276 173 262 164 006 238 151 276 176 206 283 174 269 165 007 240 137 137 246 140 140 207 288...

Page 29: ...219 235 223 223 207 Not available 008 334 289 289 312 270 270 011 389 294 294 365 277 277 014 310 310 260 260 283 283 238 238 016 331 331 259 259 304 304 238 238 SRH 004 301 300 290 289 204 Not availa...

Page 30: ...45 Weight distribution with tank CRH SRH 017 032 Weight distribution kg WT1 W 1 W 2 W 3 W 4 WT2 W 5 W 6 W 7 W 8 Model Size CRH 017 443 443 261 261 261 462 462 273 273 273 020 440 440 279 279 279 467 4...

Page 31: ...108 50 M16 16 5 160 83 190 5 Rubber supports 1000 liters tank Unit Configuration Support kit code Single support code Kit support pieces CRH SRH 204 206 004 006 485620 4 CRH SRH 207 007 008 011 With o...

Page 32: ...600 5 A 40 110 1501 30 110 30 1441 30 769 30 942 30 1942 30 2942 30 30 30 Opt 30 A 236 5 Supply cable inlet Prepunch 67 30 Fan and hole panel not present on mod 007 207 A 40 Heat recovery Opt 852 Ext...

Page 33: ...Outlet 2 Gas male mod 007 207 2 1 2 Gas male mod 008 011 Inlet 2 Gas male mod 007 207 2 1 2 Gas male mod 008 011 Outlet 2 1 2 Gas male Inlet 2 1 2 Gas male ON 204 206 207 MODELS TANK VERSION WITH WITH...

Page 34: ...nit behind front removable panel 832 Ext 832 Ext 832 Ext 832 Ext Part G Heat recovery 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext Flanged Opt Flanged Opt Flanged Opt Flanged Opt He...

Page 35: ...n Y Outlet DN 80 3 88 9 mm Outlet DN 80 3 88 9 mm Outlet DN 80 3 88 9 mm Tab 13 Heat recovery water connection optional CRH SRH 017 032 Models CRH 017 020 023 025 028 030 032 SRH 017 020 023 025 028 0...

Page 36: ...ront view Top view Rear view from D Right lateral view Left lateral view Flanged Opt 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext 832 Ext Flanged Opt Flanged Opt Flanged Opt Flanged Opt D P...

Page 37: ...CRH SRH 017 020 CRH SRH 023 025 CRH SRH 028 030 032 A mm 4750 5750 6750 Fans number 3 4 5 Chilled water X Inlet DN 80 3 88 9 mm Inlet DN 80 3 88 9 mm Inlet DN 80 3 88 9 mm Chilled water connection Y O...

Page 38: ...m Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switch HP Low pressure switch LP Crankcase heater High pressure manometer Opt Low pressure manometer Opt Safety...

Page 39: ...6 G 1 1 1 11 4 11 4 11 4 11 4 H 2 2 2 21 2 21 2 21 2 21 2 Refrigerant components Item Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switch HP Low pressure swit...

Page 40: ...s Item Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switch HP Low pressure switch LP Crankcase heater High pressure manometer Opt Low pressure manometer Opt S...

Page 41: ...207 008 011 014 016 G 2 2 2 21 2 21 2 21 2 21 2 H 2 2 2 21 2 21 2 21 2 21 2 Refrigerant components Item Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switch H...

Page 42: ...m CHILLED WATER OUTLET VICTAULIC COUPLING DN 80 3 88 9 mm Item Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switch HP Low pressure switch LP Crankcase heater...

Page 43: ...3 2 2 2 2 23 23 13 13 13 13 7 7 8 9 19 10 19 10 21 22 15 15 17 20 16 13 13 14 14 1 1 4 4 1 4 4 1 12 12 Item Description Item Description 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Compressor High pressure switc...

Page 44: ...Item Description Item Description 1 2 3 4 5 6 7 8 9 10 Evaporator Evaporator antifreeze heater Opt Rubber flexible pipe only with pumps and or tank Manual air valve Gate valve Pump Safety valve Expan...

Page 45: ...9 10 Evaporator Evaporator antifreeze heater Opt Rubber flexible pipe only with pumps and or tank Manual air valve Gate valve Pump Safety valve Expansion tank Service ball valve Drain valve 11 12 13...

Page 46: ...5 6 7 8 9 10 11 12 13 Evaporator Evaporator antifreeze heater Opt Rubber flexible pipe only with pumps and or tank Manual air valve Gate valve Pump Safety valve Expansion tank Service ball valve Drain...

Page 47: ...ze heater Opt Rubber flexible pipe only with pumps and or tank Manual air valve Gate valve Pump Safety valve Expansion tank Service ball valve Drain valve Control temperature sensor Antifreeze tempera...

Page 48: ...m WATER TANK INLET VICTAULIC CONNECTION DN 80 3 88 9mm CHILLED WATER INLET VICTAULIC CONNECTION DN 80 3 88 9 mm CHILLED WATER OUTLET VICTAULIC CONNECTION DN 80 3 88 9 mm p 16 Hydraulic components Item...

Page 49: ...3 88 9mm CHILLED WATER INLET VICTAULIC CONNECTION DN 80 3 88 9 mm CHILLED WATER OUTLET VICTAULIC CONNECTION DN 80 3 88 9 mm p 21 15 Hydraulic components Item Description Item Description 1 2 3 4 5 6...

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Page 51: ...d Le Fabricant d clare que ce produit est conforme aux directives Europ ennes El Fabricante declara que este producto es conforme a las directivas Europeas O Fabricante declara que este produto est em...

Page 52: ...of EMERSON Tel 39 049 9719111 Telefax 39 049 5841257 Internet www liebert hiross com Printed in Italy by Liebert HIROSS S p A Issued by T D Service Since the Liebert HIROSS Company has a policy of co...