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omi CHW Series Operating And Maintenance Manual Download Page 1

710.1760.00.04-03A 

 

28/11/2012 

 

1

 

 

 

 
 
 
 

             

 

 
 
 
 
 
 
 
 
 
 
 

Recirculating chillers for liquids 
Рециркуляционные жидкостные 
холодильные установки 

 

CHW 09 to/

до

 CHW 3652 

CHO 29 to/

до

 CHO 149 

CHG 08 to/

до

 CHG 365  

 

 

 

 

English 

Operating and maintenance manual  

 

 

 

Русский 

Руководство по эксплуатации и 
техническому обслуживанию  

 
 

 
 
 
 
 
 
 
 

 
 
  

O.M.I. srl 

Via dell'Artigianato, 34 Fogliano (GO) 34070 ITALY 

Tel: +390481488516   Fax:  +390481489871 

www.omi-italy.it 

[email protected]

 

 

Summary of Contents for CHW Series

Page 1: ...g chillers for liquids CHW 09 to CHW 3652 CHO 29 to CHO 149 CHG 08 to CHG 365 English Operating and maintenance manual O M I srl Via dell Artigianato 34 Fogliano GO 34070 ITALY Tel 390481488516 Fax 39...

Page 2: ...HO 29 TO CHO 149 19 6 3 CHECK LIST FOR COMMISSIONING GLYCOL RECIRCULATING CHILLERS 19 REQUIREMENTS FOR THE WATER GLYCOL MIXTURE 19 CHECKLIST FOR CHG 08 TO CHG 365 20 6 4 OPERATING SETTINGS FOR THE ELE...

Page 3: ...ntity of cooling medium e g water water glycol moisture or oil constantly within certain temperature limits op erating range with the aid of a technical cooling process The most commonly used cooling...

Page 4: ...hout the manufacturer s prior written authorization if any equipment components are under pressure Never spill or pour any cooling medium into the environment as this may cause damage to health Before...

Page 5: ...y hermetically sealed cooling medium circuit the refrigerant circuit the cooling medium circuit and the electrical circuit including all control and monitoring devices which are required for fully aut...

Page 6: ...e that limits the evaporation pressure to a maximum MOP maximum operating pressure Piping cooling system Closed pipe system made of copper tubing including fittings Supplied as required with additiona...

Page 7: ...al thermometer in return circuit systems with single and dual circuit The digital thermometer shows the inlet temperature of the cooling medium VNR Non return valve in the supply line These valves are...

Page 8: ...r or plastic pipes with manometer and probe connection for the operating thermostats and the digital temperature display If designed as a system closed to the atmosphere the external circuit must be p...

Page 9: ...ct When this occurs the main switch remains permanently switched on QE Switch cabinet The switch cabinet contains all the electrical components and safety devices TLT Temperature controller Temperatur...

Page 10: ...0 490 80 56 608 MODELS CHW 29 CHW 39 CHW 56 CHW 67 CHO 29 CHO 39 CHO 56 CHO 67 CHG 24 CHG 30 CHG 45 MODELS A B H C D E F G I L M CHW 29 39 56 67 CHO 29 580 650 920 845 419 80 583 80 82 5 1036 CHO 39 5...

Page 11: ...81 100 200 310 3 CHW 2052 1525 3990 2170 2060 381 100 200 310 3 CHW 2552 1525 3990 2170 2060 381 100 200 310 3 CHW 3152 1525 4990 2170 2060 381 100 200 310 3 CHW 3652 1525 4990 2170 2060 381 100 200 3...

Page 12: ...t may im pair the proper functioning of the chiller A suitable area must be found in which a temperature of not less than 2 C and definitely not more than 40 C can be guaranteed at any time of the yea...

Page 13: ...tems make sure that the maximum obtainable cooling medium pressure in the supply line does not cause a higher pressure level than the maximum permitted for the chiller Check the cleanliness of the sup...

Page 14: ...w when the tank is full or to restart the flow as soon as a top up is necessary A Male male fitting B From the supply line C To the consumer cooling circuit D T fitting E Connecting piece to cooling m...

Page 15: ...itch for more than 1 hour each start up should be treated as an initial start up The initial start up calls for a number additional checks to ensure safe and reliable performance of the system Before...

Page 16: ...T fitting if necessary while watching the level indicator refer to Fig 1 Point 5 2 1 3 Open the filler screw on the pump head 4 Tighten the screw again when only cooling medium flows out 5 Open the s...

Page 17: ...fied for the pump If not take appropriate action to ensure that the pump is running within the specified limits 18 Check the level in the tank and top up with cooling medium if required Fasten the tan...

Page 18: ...r protection switches MTC and MTP to position 1 11 Lock the switch cabinet with the key 12 Move the main switch of the chiller to position 1 the temperature of the cooling medium appears on the displa...

Page 19: ...e cooling medium is displayed Never touch any part of the refrigeration circuit when the chiller is running 12 Start up the compressor by pressing the button for 3 seconds 13 Wait until the chiller ha...

Page 20: ...the chiller is delivered 7 Ensure that the motor protection switches MTC and MTP are in position 0 8 Fill the tank to the maximum upper arrow level indicator is located on the bottom right of the fram...

Page 21: ...ditions This is indicated when the actual temperature shown in the display matches the preset target temperature 17 Check whether the pressure shown is within the limits specified for the pump If not...

Page 22: ...for the compressor Delay type Description Controller Type A Controller Type B Controller Type C Delay at start up power ON Set a time delay at compressor start up to graduate the start ing current of...

Page 23: ...ext parameter ap pears To exit programming Press the keys when a parameter is displayed or wait 15 sec timeout without pressing any key NOTE The new parameter value is also saved if no keys are presse...

Page 24: ...hen the chiller is in standby mode While programming press the key in order to scroll through the parameter codes or increase the value List of parameters that can be changed with the procedure descri...

Page 25: ...y This procedure should only be used in an emergency MODEL CHW 29 CHW 602 CHO 29 CHO 149 CHG 24 CHG 140 Controller Type B see 6 4 Via stand by mode 1 Stop the system by keeping the key depressed for 3...

Page 26: ...y be conducted by specialist personnel Follow this procedure if you need to shut down the chiller Stop the chiller and permanently disconnect it from the electricity mains Once you have properly isola...

Page 27: ...onths 1 Check whether the current consumption of the compressor group is within the target values indi cated in these instructions 2 Clean the fin pack of the condenser using a compressed air jet with...

Page 28: ...ne with the provisions of the valid legislation 9 MALFUNCTIONS TROUBLESHOOTING All service and maintenance operations may only be carried out by specialized personnel If you have to take off or disman...

Page 29: ...n on liquid circuit Dirty evaporator Clean evaporator and in case contact service P1 Sensor SL de fective Probe can be defective or not well connected Check connection and in case change probe HA High...

Page 30: ...40 No Device status Alarm code Alarm de scription Possible cause Recommended remedy Restore 1 Fan Com pressor and pump are not working OFF Unit is in Off by remote ON OFF Remote ON OFF contact is open...

Page 31: ...ntifreeze to the liquid M Set point is too low for ac tual system If possible increase set point or check combination of flow temperature and antifreeze percentage Liquid flow too low Check right rota...

Page 32: ...it A becomes M after 1 events in 1 hour Liquid in the tank too low Fill the tank AEE Eeprom run Internal problem of the controller Reset alarm and in case of persistent problem change controller M AFR...

Page 33: ...reeze percentage Liquid flow too low Check right rotation of pump and possible obstruction on liquid circuit Dirty evaporator Clean evaporator and in case contact service C1OP C6OP Compressor oil pres...

Page 34: ...it the alarm code will now appear on the lower display 4 Upper display rSt will appear in the display if the alarm can be reset NO if this is not possible Use the or key to scroll through the alarm l...

Page 35: ...CHW 3652 CHG 180 CHG 365 57 6 5 58 58 59 59 7 59 7 1 59 7 2 60 8 61 9 61 9 1 62 A CHW 11 CHW 36 CHG 08 62 C CHW 682 CHW 3652 CHG 180 CHG 365 65 10 FEATURES AND TECHNICAL DATA 68 10 1 TECHNICAL FEATUR...

Page 36: ...710 1760 00 04 03A 28 11 2012 36 1 1 1 CHW CHO CHG chiller CHW CHO CHG 1 2 CHW CHO CHG CHW CHO CHG CHW CHO CHG 2...

Page 37: ...710 1760 00 04 03A 28 11 2012 37 CHW 20 25 CHO 10 cST CHG 20 25 5 EN 60204 EN 378 2...

Page 38: ...710 1760 00 04 03A 28 11 2012 38 HFC CE 842 2006 3 3 1 3 2 C CND EVA HP LP...

Page 39: ...710 1760 00 04 03A 28 11 2012 39 MHP MLP PV R V a 2 5 b VE 2 5 MOP IAF 3 3 MF P...

Page 40: ...710 1760 00 04 03A 28 11 2012 40 BP BPM CAA EV 1 1 VNR FL LVE RA TD VNR EV 1 2 3...

Page 41: ...710 1760 00 04 03A 28 11 2012 41 1 2 3 4 5 6 7 3 4 ALR...

Page 42: ...710 1760 00 04 03A 28 11 2012 42 IG MTC MTP ROO QE TLT CEE 6 4 CEE 3P PEN 5 3P N PE Klixon 3 5 1 2 3 04I 04O 05I 05O CHW 09 A B H C D E F G I L M CHW 09 375 450 630 580 80 55 1 2...

Page 43: ...640 490 80 56 608 CHW 29 CHW 39 CHW 56 CHW 67 CHO 29 CHO 39 CHO 56 CHO 67 CHG 24 CHG 30 CHG 45 A B H C D E F G I L M CHW 29 39 56 67 CHO 29 580 650 920 845 419 80 583 80 82 5 1036 CHO 39 56 67 580 65...

Page 44: ...CHG 365 A B H C D E F G I L M CHW 162 192 242 292 372 CHG 180 1325 760 1525 1400 300 300 635 300 84 1 CHW 432 to 752 CHG 225 280 365 1325 1520 1525 1400 300 300 635 300 84 1 CHW 1002 1325 2280 1525 14...

Page 45: ...710 1760 00 04 03A 28 11 2012 45 CHW 97 CHW 3652 4 2 4 3 5 50 C 12 6 5 2 5 5 1 2 C 40 C 2 C 40 C...

Page 46: ...28 11 2012 46 A m B m C m D m E m CHW 09 36 CHG 08 1 1 1 1 1 CHW 29 67 CHO 29 67 CHG 24 45 1 1 1 1 5 1 CHW 97 149 CHO 97 149 CHG 75 100 1 1 1 2 1 CHW 162 1202 CHG 140 365 1 1 1 3 1 CHW 1452 3652 1 2...

Page 47: ...710 1760 00 04 03A 28 11 2012 47 25 1 60 CHO A B C D E Abb 1 TN C 230 1 1 N PE AC 400 3 3 PEN AC PEN...

Page 48: ...710 1760 00 04 03A 28 11 2012 48 CHW 29 CHW 149 CHW 162 CHW 3652 6 6 1 1 5 C 20 C 20 C 25 C 5 C CHW 20 34 10 C 0 C...

Page 49: ...09 1 T 1 5 2 1 2 1 3 A 6 4 CHW 11 CHW 36 1 2 T 1 5 2 1 3 4 5 6 1 OFF 7 8 9 10 3 11 12 B 6 4 CHW 29 CHW 67 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 6 1 1 9 MTC MTP 1 10 11 12 1 13 3 14 15 16 17 18 19 6 4 2...

Page 50: ...28 11 2012 50 6 7 MTC MTP 0 8 6 1 1 9 MTC MTP 1 10 11 12 1 13 3 14 15 16 17 18 19 6 4 20 21 22 23 6 4 CHW 682 CHW 1202 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 6 1 1 9 MTC MTP 1 10 11 12 1 13 14 15 16 17...

Page 51: ...A 28 11 2012 51 23 6 4 CHW 1452 CHW 3652 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 9 10 MTC MTP 1 11 12 1 13 14 ON 15 16 17 18 19 20 21 22 23 6 4 24 25 26 6 2 1 CHO 2 2 ISO32 20 C ISO46 25 C ISO68 30 C ISO1...

Page 52: ...710 1760 00 04 03A 28 11 2012 52 CHO 29 CHO 149 6 4 CHO 29 CHO 149 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 MTC MTP 1 9 10 11 1 12 3 13 14 15 16 17 6 4 18 19 20 21 6 3 1 20 25 0 C 5 C 10 C 20 20 25...

Page 53: ...3A 28 11 2012 53 10 C 0 C CHG 08 CHG 365 6 4 CHG 08 1 2 T 1 5 2 1 3 4 5 6 1 OFF 7 8 9 10 3 11 12 6 4 CHG 24 CHG 140 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 6 1 1 9 MTC MTP 1 10 11 12 1 13 3 14 15 16 17 18...

Page 54: ...710 1760 00 04 03A 28 11 2012 54 6 4 CHG 180 CHG 365 1 2 T 1 5 2 1 3 4 5 6 7 MTC MTP 0 8 6 1 1 9 MTC MTP 1 10 11 12 1 13 14 15 16 17 18 19 6 4 20 21 22 23 6 4 A CHW 11 36 CHG 08 ON ON AUX ON ON...

Page 55: ...710 1760 00 04 03A 28 11 2012 55 B CHW 29 602 CHO 29 149 CHG 24 140 PSI 1 2 ON OFF C CHW 682 1202 1 CHW 1452 3652 2 CHG 180 365 1 PSI 1 2 3 4 5 6 ON OFF A B B 300 300 60 60 60 60 360 10 10...

Page 56: ...710 1760 00 04 03A 28 11 2012 56 A CHW 11 CHW 36 CHG 08 1 2 2 3 15 Pr1 1 2 3 4 5 1 15 CHW CHW CHG CHG Set 15 20 10 5 Hy 3 3 3 3 B CHW 29 CHW 602 CHO 29 CHO 149 CHG 24 CHG 140...

Page 57: ...710 1760 00 04 03A 28 11 2012 57 1 3 2 3 15 Pr1 1 All 2 3 4 5 6 7 8 15 CHW CHW CHO CHG CHG ST01 15 20 25 10 5 ST02 3 3 3 3 3 C CHW 682 CHW 3652 CHG 180 CHG 365 1 3 2 3 15...

Page 58: ...r1 1 PAS 2 1 3 4 5 6 7 15 CHW CHW CHG CHG ST01 15 C 20 C 10 5 ST07 3 K 3 K 3 3 6 5 CHW 09 1 0 CHW 11 CHW 36 CHG 08 A 6 4 1 10 2 0 0 CHW 29 602 CHO 29 CHO 149 CHG 24 CHG 140 B 6 4 1 3 2 0 0 CHW 682 CHW...

Page 59: ...710 1760 00 04 03A 28 11 2012 59 5 2 1 7 7 1...

Page 60: ...710 1760 00 04 03A 28 11 2012 60 CE 842 2006 30 7 2 CE 842 2006 3 7 2 1 2 1 3 2 3 4 6 1 2 3 3 7 2 EN 378 1 1 2 3 4 5 6...

Page 61: ...710 1760 00 04 03A 28 11 2012 61 8 9 10 3 20 15...

Page 62: ...710 1760 00 04 03A 28 11 2012 62 9 1 A CHW 11 CHW 36 CHG 08 1 OFF A OFF LA2 P1 SL HA 2 A 3 LA2 2 A 4 HA A...

Page 63: ...4 03A 28 11 2012 63 4 LA A P2 SA A A CHW 11 CHW 28 CHG 08 1 HAL LAL tiM tiMe 2 1 HAL LAL 2 3 rST 2 B CHW 29 CHW 602 CHO 29 CHO 149 CHG 24 CHG 140 1 OFF A z A A08 A M 1 1 A09 MTP M MTP ACF1 ACF5 A AFR...

Page 64: ...710 1760 00 04 03A 28 11 2012 64 2 A01 M A02 A M 10 1 5 C A M 10 1 A05 P3 P4 M A07 M A09 MT M MTC A16 P3 P4 A M 3 1 P1 P2 P3 P4 A 3 Ger t funktioniert A13 1 M A15 1 M M...

Page 65: ...CHW 602 CHO 29 CHO 149 CHG 24 CHG 140 1 2 ALrM 3 4 rSt NO 5 rSt 6 menu C CHW 682 CHW 3652 CHG 180 CHG 365 1 OFF A LED off A ACF1 ACF9 A AEFL A M 1 1 AEE Eeprom M AFR A ALOC A ATE1 ATE2 MTP M MTP 2 AE...

Page 66: ...8 11 2012 66 2 B1HP B2HP oder C1HP C6HP M B1PH B2PH A M 3 1 B1LP B2LP A M 10 1 5 C B1AC B2AC M C1OP C6OP A M 1 1 2 C1TR C6TR 1 2 3 4 5 6 MT M MTC AP1 AP12 A 3 AEUN P3 P4 A M 3 1 AEP1 AEP2 1 2 M C1MN C...

Page 67: ...710 1760 00 04 03A 28 11 2012 67 CHW 682 CHW 3652 CHG 180 CHG 365 1 2 ALrM 3 4 rSt NO 5 rSt 6 menu...

Page 68: ...39 123 125 137 CHW 532 400 3 50 53000 13320 25 17600 31 14520 27 18800 33 19050 36 23330 44 149 151 162 CHW 602 400 3 50 60000 15580 29 19720 35 16780 31 20920 37 21310 41 25450 49 179 181 192 CHW 68...

Page 69: ...150 7 4 5 2 0 400 200 1 15200 CHW 532 2 5 1 9 120 300 5 2 3 6 50 210 7 4 5 2 0 400 200 1 13400 CHW 602 2 5 1 9 120 300 5 2 3 6 50 210 7 4 5 2 0 400 200 1 13400 CHW 682 2 8 2 3 120 300 5 3 2 9 0 450 7...

Page 70: ...W 432 380 R407C X X X X CHW 532 400 R407C X X X X CHW 602 430 R407C X X X X CHW 682 480 R407C X X X X CHW 752 510 R407C X X X X X CHW 1002 690 R407C X X X X X X CHW 1202 800 R407C X X X X X X CHW 1452...

Page 71: ...2 SICHERUNG PUMPE 1 2 PUMP 1 2 FUSES 1 2 FUSIBILES BOMBA 1 2 FR1 2 SICHERUNG KURBELWANNENHEIZUNG 1 2 HEATER 1 2 FUSES 1 2 FUSIBILES RESISTENCIA 1 2 FR3 ELEKTRISCHER FL CHENHEIZER SICHERUNG ELECTRICAL...

Page 72: ...ATURA ALTA SC W RMETAUSCHER HEAT EXCHANGER INTERCAMBIADOR DE CALOR SCO KOMPRESSORSENSOR COMPRESSOR PROBE SONDA COMPRESOR SCV DRUCKAUFNEHMER DER L FTER FAN CONTROL PROBE SONDA VENTILADOR SF ENTL FTUNGS...

Page 73: ...R134a 1 A1 1 1 1 2 Tetrafluorethane 743 C 1300 0 R407c 1 A1 R32 R125 134a 23 25 52 704 C 1600 0 R404a 1 A1 R125 R134a R143a 44 4 52 3750 0 REFRIGERANT T HAZARDS FIRST AID PHRASE R S R S R134a High co...

Page 74: ...iarazione si riferisce conforme alle seguenti direttive nonch norme armoniz zate E Declaramos bajo nuestro unica responsabilidad que el producto al cual esta declaracion se refiere es conforme a las s...

Page 75: ...rating fluid charge of more than 3 kg shall be checked for leakages annually every 6 months if more than 30 kg and the result shall be recordered in the system booklet Regulation EC No 842 2006 When a...

Page 76: ...A 28 11 2012 76 15 INDIVIDUAL SPECIFICATION You will find the individual specification for the unit in the supplement which accompanies these operating and maintenance instructions and which forms par...

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