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MAINTENANCE

7.1

General Requirements

7.1

7.2

Daily Maintenance

7.1

7.3

Refrigerant Charge

7.2

7.4

Compressors

7.2

7.5

Condenser Coils

7.2

7.6

Condenser Fans

7.2

7.7

Filter Drier

7.2

7.8

Sight Glass

7.2

7.9

Thermostatic Expansion Valve

7.3

7.10

Evaporator

7.3

TROUBLE SHOOTING

TECHNICAL DATA

9.1

Unit Pressure Drop Graphs

9.1

9.2

Glycol Data Graphs

9.2

9.3

Safety Switch Settings

9.3

9.4

Operational Limits

9.3

9.5

Sound Power Levels

(Frequency Analysis (Spectrum))

9.5

9.6

Physical Data

9.6

9.7

Unit Electrical Data

9.11

9.8

Dimensions

9.14

9.9

Space Requirements

9.17

9.10

Weight and Isolator Data

9.18

9.11

Spring Isolator Installation

9.20

9.12

Process and Instrumentation

Diagrams

9.21

10 SPARE PARTS

10.1

Recommended Spares

10.1

10.2

Recommended Compressor Oils

10.1

10.3

Associated Diagrams

10.2

11 DE-COMMISSIONING,

DISMANTLING AND DISPOSAL

11.1

General

11.1

(09/03)

035B09012-100 Rev. 4

Содержание YCAA-B

Страница 1: ...AIR COOLED LIQUID CHILLERS and HEAT PUMPS INSTALLATION COMMISSIONING OPERATION AND MAINTENANCE REFRIGERANT TYPE R407C YCAA B R22 YCAA H 035B 100 Rev 4 09012 09 03 GB...

Страница 2: ......

Страница 3: ...Anchorage 3 2 3 4 Storage 3 2 4 INSTALLATION 4 1 Location 4 1 4 2 Defrost Water Drainage YCAA H Units 4 1 4 3 Spring Isolator Installation 4 1 4 4 External Water System 4 2 4 5 Water connections 4 3...

Страница 4: ...aphs 9 2 9 3 Safety Switch Settings 9 3 9 4 Operational Limits 9 3 9 5 Sound Power Levels Frequency Analysis Spectrum 9 5 9 6 Physical Data 9 6 9 7 Unit Electrical Data 9 11 9 8 Dimensions 9 14 9 9 Sp...

Страница 5: ...is carried out without written agreement of York International For warranty purposes the following conditions must be satisfied n The initial start of the unit must be carried out by trained personnel...

Страница 6: ...packaging in the environment 1 4 Emergency Stops Shutdown The isolator switch on the electrical panel will shutdown the unit when set to the 0 Off position The unit should be restarted in accordance...

Страница 7: ...ta V PH HZ Main Supply Aux Supply LRA FLA Power Input MAX Water Op Pressure MAX Weight Code Unit Identification Label Lifting Point Centre of Gravity PRODUCT INFORMATION SCHEMATIC MANUALS PART NUMBER...

Страница 8: ...f atmosphere Remove patient to fresh air keep warm and at rest Administer oxygen if necessary Apply artificial respiration if breathing has ceased or shows signs of failing In event of cardiac arrest...

Страница 9: ...suitable personal protective clothing and respiratory protection is worn Provided it is safe to do so isolate the source of the leak Allow small spillage s to evaporate provided there is suitable vent...

Страница 10: ...ons to avoid Strong oxidising agents Hazardous decomposition Thermal decomposition will evolve irritant vapours Handling Avoid prolonged skin contact Avoid inhalation of high concentrations of mists A...

Страница 11: ...s mounted on the exterior of the unit Integrated System Network ISN Control The ISN control offers Building Management System BMS communication leaving chilled liquid temperature control sequence cont...

Страница 12: ...ther protection The compressors are switched On and Off by the unit microprocessor to provide capacity control 2 4 Refrigerant Circuits Two complete refrigerant circuits are supplied on each unit All...

Страница 13: ...lied loose for field installation Remote On Off Kit Models 60 150 standard control only The kit allows remote activation of the cooling mode and heat pump mode YCAA H units when the unit is in stand b...

Страница 14: ...at energy absorbed from the chilled water passing through the cooler plates Low pressure vapour enters the compressor where pressure and superheat are increased Heat is rejected via the air cooled con...

Страница 15: ...ated by the energy absorbed from the ambient air Low pressure superheated refrigerant vapour passes through the four way valve and accumulator and enters the compressor where pressure and superheat ar...

Страница 16: ...This Page Left Intentionally Blank 09 03 2 6 035B09012 100 Rev 4...

Страница 17: ...ce note instructions If the damage is other than superficial immediately advise your local York representative York accepts no responsibility for shipping damage even in cases where the factory has ar...

Страница 18: ...located at high level on a steel mounting frame 3 4 Storage If the unit is to be stored prior to installation certain precautions should be taken to prevent damage corrosion or deterioration n E n s u...

Страница 19: ...large kitchens In such cases accumulated grease o n t h e c o n d e n s e r f i n s c a n t r a p a i r b o r n e contaminants thus leading to rapid soiling or clogging n The unit should not be sited...

Страница 20: ...s are avoided n A diaphragm type expansion tank with safety valve outlet which must be visible The tank should be sized to accommodate a 2 increase in total fluid volume in the system evaporator lines...

Страница 21: ...cuit design water content Operation from 5 to 0 C 20 Operation from 0 to 5 C 30 Operation from 5 to 10 C 40 4 5 Water connections The water inlet and outlet connections must be connected correctly as...

Страница 22: ...nt and enter the electrical panel through a hole at the bottom of the panel 4 8 Electrical Connections The installation of the unit on the final site must be carried out according to the Machinery Saf...

Страница 23: ...RLOCK OPTIONAL CIRC PUMP ETC REMOTE INDICA TION VOLT AGE ON REMOTE ON OFF CONTROL REMOTE INDICA TION GENERAL ALARM COMPRESSOR 1 ON REMOTE INDICA TION REMOTE INDICA TION PUMP RELAY MAX 0 5 AMP 230V COM...

Страница 24: ...REMOTE INDICA TION COOLING REMOTE INDICA TION PUMP RELAY MAX 0 5 AMP 230V COMPRESSOR 2 ON ANTIFREEZE RELAY MAX 0 5 AMP 230V 8 104 106 108 110 14 105 107 109 111 103 L1 MAIN SWITCH L2 L3 REMOTE INDICA...

Страница 25: ...MP RELAY MAX 0 5 AMP 230V COMPRESSOR 2 ON ANTIFREEZE RELAY MAX 0 5 AMP 230V LINE 400 3 PE 50Hz KEY UNIT ELECTRICAL TERMINALS VOLT AGE FREE CONT ACT EXTERNAL EQUIPMENT TERMINALS CUSTOMER WIRING 8 104 1...

Страница 26: ...R 1 ON COMMON HEA TING REMOTE INDICA TION COOLING REMOTE INDICA TION PUMP RELAY MAX 0 5 AMP 230V COMPRESSOR 2 ON ANTIFREEZE RELAY MAX 0 5 AMP 230V LINE 400 3 PE 50Hz KEY UNIT ELECTRICAL TERMINALS VOLT...

Страница 27: ...TION REMOTE INDICA TION PUMP RELAY MAX 0 5 AMP 230V SYS 1 COMPRESSOR 2 ON SYS 2 COMPRESSOR 2 ON ANTIFREEZE RELAY MAX 0 5 AMP 230V LINE 400 3 PE 50Hz KEY UNIT ELECTRICAL TERMINALS VOLT AGE FREE CONT A...

Страница 28: ...This Page Left Intentionally Blank 09 03 4 10 035B09012 100 Rev 4...

Страница 29: ...y with no signs of leakage or air bubbles If ethylene glycol antifreeze is used check that the percentage concentration is correct n Check that the pump direction of rotation is correct and allow flui...

Страница 30: ...Check that the saturated evaporation and condensation temperatures during operation at high and low pressure by connecting gauges to the schrader valves on the high and low pressure refrigerant circui...

Страница 31: ...ds after starting Alarm is reset manually from the panel n Anti freezing alarm This alarm is activated when water temperature at evaporator outlet drops below 4 C The control system locks out the asso...

Страница 32: ...perating in cooling mode YCAA H cold weather mode start key and LED Starts the unit in the heating mode Led lights up to indicate operating in heating mode Remote On Off Panel Item Function Voltage in...

Страница 33: ...he unit is operating in the heat pump mode n Press the key to start the unit in the cooling mode or the key to start unit in the heating mode 6 5 Alarm Display and Reset Alarms are indicated by the as...

Страница 34: ...ge l Set daily schedule holiday for start stop l Manual override for servicing l Cut outs for low ambient temperature low liquid temperature high discharge pressure and low suction pressure l Number o...

Страница 35: ...temperature goes below 4 C During the cold season it is advisable to drain water from lines so as to prevent damage resulting from ice in the water circuit lines If it is not possible to drain the li...

Страница 36: ...Page Left Intentionally Blank 09 03 6 6 035B09012 100 Rev 4...

Страница 37: ...incurred to return the unit to satisfactory condition This maintenance section applies only to the basic unit and may on individual contracts be supplemented by additional requirements to cover any m...

Страница 38: ...mage The coils must only be repaired or replaced by an Authorised York Service Centre To ensure high condenser coil serviceability and heat exchange the condenser surfaces must be kept free of impurit...

Страница 39: ...placement must be performed by an Authorised York Service Centre 7 10 Evaporator Check the heat exchanger water side for cleanliness at regular intervals This may be accomplished by checking water sid...

Страница 40: ...Page Left Intentionally Blank 09 03 7 4 035B09012 100 Rev 4...

Страница 41: ...l an Authorised York Service Centre Faulty crankcase oil heater Check electrical circuit and crankcase heater element operation replacing any defective components Power circuit interrupted Check power...

Страница 42: ...ircuit Chemically clean evaporator water circuit Condenser coil clogged Clean condenser coil Low refrigerant charge Top up charge No power supply Check main switch and auxiliary fuses Heater open circ...

Страница 43: ...flow rate is shown 3 5 0 0 0 3 0 0 0 0 2 5 0 0 0 2 0 0 0 0 1 5 0 0 0 1 0 0 0 0 5 0 0 0 10 20 FLOW RA TE l h P R E S S U R E D R O P k P a 30 40 50 60 70 80 100 90 110 120 150 120 60 90 6 0 0 0 8 0 0 0...

Страница 44: ...O R l s C k W LEAVING LIQUID TEMPERA TURE C C O N C E N T R A T I O N B Y W E I G H T Factors at other concentrations for Propylene Glycol solutions C O N C E N T R A T I O N B Y W E I G H T LEAVING L...

Страница 45: ...15 Liquid temperature Brine outlet C 8 to 15 Temperature spread K 3 to 8 Flow rate 1 l h 9482 25280 10800 28810 13115 34910 14405 38413 16018 42713 Pressure drop 1 kPa 8 9 63 3 10 5 74 4 14 8 105 6 16...

Страница 46: ...Pa 18 1 105 7 13 6 79 4 13 8 80 6 Maximum operating pressure bar 10 Ambient Air entering Heat pump cooling C Air temperature Heat pump heating C External static Standard fans Pa 0 pressure High pressu...

Страница 47: ...2 79 79 77 73 64 84 dB A Model 125 250 500 1000 2000 4000 8000 60 87 85 84 83 81 71 60 87 75 87 85 84 83 81 71 60 87 L90 90 88 87 86 84 74 63 90 L105 90 88 87 86 84 74 63 90 120 92 90 89 88 86 76 65 9...

Страница 48: ...mber 2 2 4 4 4 Theoretical displacement m h 76 85 88 94 72 5 81 2 87 No of cylinders 6 6 SCROLL SCROLL SCROLL Nominal speed rpm 2950 2950 2950 2950 2950 Oil charge per compressor l 6 6 6 6 10 4 10 6 1...

Страница 49: ...4 4 4 Theoretical displacement m h 76 85 88 94 72 5 81 2 87 No of cylinders 6 6 SCROLL SCROLL SCROLL Nominal speed rpm 2950 2950 2950 2950 2950 Oil charge per compressor l 6 6 6 6 10 4 10 6 13 2 Oil t...

Страница 50: ...Theoretical displacement m h 76 85 88 94 72 5 72 5 87 No of cylinders 6 6 SCROLL SCROLL SCROLL Nominal speed rpm 2950 2950 2950 2950 2950 Oil charge per compressor l 6 6 6 6 10 4 10 6 13 2 Oil type 0...

Страница 51: ...nt circuits 2 2 2 Total capacity steps 2 2 2 Compressor Number 2 2 2 Theoretical displacement m h 66 35 76 37 88 35 No of cylinders 6 6 6 Nominal speed rpm 2900 2900 2900 Oil charge per compressor l 6...

Страница 52: ...nt circuits 2 2 2 Total capacity steps 2 2 2 Compressor Number 2 2 2 Theoretical displacement m h 66 35 76 37 88 35 No of cylinders 6 6 6 Nominal speed rpm 2900 2900 2900 Oil charge per compressor l 6...

Страница 53: ...7 35 0 175 L105 Sys 1 2 14 0 16 24 0 35 0 175 120 Sys 1 2 18 1 24 27 3 36 5 190 150 Sys 1 2 22 4 29 32 0 44 0 215 170 Sys 1 2 9 6 13 4 11 3 15 7 16 6 23 2 25 35 120 175 190 Sys 1 2 13 0 13 0 14 5 14 5...

Страница 54: ...p per Comp Starting Nominal 1 Maximum 2 Nominal 1 Maximum 2 Current A per Comp kW per Comp kW A A per Comp LRA 60 Sys 1 2 8 7 11 12 1 16 5 80 75 Sys 1 2 9 9 14 14 2 21 6 126 90 Sys 1 2 11 9 16 17 9 26...

Страница 55: ...2 200 200 70 STD Standard Fans The maximum fuse size given 1 Means that the conditional short circuit current of the switch disconnector fuse is 50KA 2 Ensures a minimum of TYPE 1 co ordination for co...

Страница 56: ...2110 1750 2 LOW NOISE 1756 2110 1850 2 LOW NOISE 1756 2110 1850 2 HIGH TEMPERATURE 1756 2110 1750 2 YCAA H 75 STANDARD 1756 2110 1750 2 YCAA B 75 STANDARD 1756 2110 1750 2 LOW NOISE 1756 2110 1850 2 L...

Страница 57: ...YCAA B 120 STANDARD 2406 2760 1750 3 YCAA H 90 LOW NOISE 2406 2760 1850 3 LOW NOISE 2406 2760 1850 3 YCAA H 105 STANDARD 2406 2760 1750 3 HIGH TEMPERATURE 2406 2760 1850 3 LOW NOISE 2406 2760 1850 3...

Страница 58: ...09 03 9 16 035B09012 100 Rev 4 A 3450 1110 1017 2120 1498 1 7 3 5 1 9 1558 VIEW A 2 Female 2 Female YCAA B Models 170 190 and 210...

Страница 59: ...170 210 Models 60 150 VIEW A A 1300 mm 3000 mm 1000 mm 1500 mm Models 170 210 Models 60 150 Single Unit Application 1300 mm 1300 mm A A A B A 1300 mm 1000 mm 1000 mm 1000 mm 1500 mm Models 170 210 Mo...

Страница 60: ...406 940 580 150 337 317 150 170 1037 2406 940 580 170 239 239 239 239 239 239 1017 1558 1498 1430 590 190 246 246 246 246 246 246 1017 1558 1498 1430 590 210 251 251 251 251 251 251 1017 1558 1498 143...

Страница 61: ...P1 P4 Centre of Gravity Model P1 kg P2 kg P3 kg P4 kg a mm b mm YCAA H LN 60 230 215 112 127 1756 780 YCAA H LN 75 246 231 125 140 1756 780 YCAA H LN 90 287 272 151 166 2406 780 YCAA H LN 105 322 306...

Страница 62: ...her 4 n Position the spring isolator under the mounting bracket on the unit and insert the grub screw through the mounting bracket hole n Check that the unit is seated correctly on the washers 4 If it...

Страница 63: ...ve H Inlet Water T emperature Sensor Regulation and Display Safety Control Devices Components YCAA B Models 60 150 1 Compressor A High Pressure Switch 2 Air Cooled Condenser B LowP ressure Switch 3 Fi...

Страница 64: ...g h t G l a s s F A i r T e m p e r a t u r e S e n s o r 5 E x p a n s i o n V a l v e G O u t l e t W a t e r T e m p e r a t u r e S e n s o r 6 E v a p o r a t o r A n t i f r e e z e a n d D i s...

Страница 65: ...0 098L00565 000 60 098L00220 000 75 098L00565 000 75 098L00220 000 L90 098L00637 000 90 098L00220 000 L105 098L00637 000 105 098L00220 000 120 098L00565 000 120 098L00220 000 150 098L00565 000 150 098...

Страница 66: ...YCAA B 120 HT 035B60053 010 YCAA B 150 HT 035B60053 010 YCAA B YCAA H Units with ISN Control Model Wiring Diagram Model Wiring Diagram YCAA B 60 035B60050 120 YCAA H 60 035B60050 120 YCAA B 75 035B60...

Страница 67: ...ain the heat exchanger section s of the system If no isolation valves are installed it may be necessary to drain the complete system s If glycol or similar solutions have been used in the water system...

Страница 68: ...Notes 09 03 11 2 035B09012 100 Rev 4...

Страница 69: ...Notes 09 03 035B09012 100 Rev 4 11 3...

Страница 70: ...Notes 09 03 11 4 035B09012 100 Rev 4...

Страница 71: ...YORK Hurtado de Ame zaga 20 4 48008 Bilbao Spain T el 34 944 162 833 Fax 34 94 415 49 69 Serbia Slovak Republic South Africa Spain th Roca YORK Av Valdelaparra 47 28100 Alcobendas Madrid Spain T el 3...

Страница 72: ...6 Bis rue Chalutier La T anche 56100 Lorient France T el 33 3 20 87 61 62 Fax 33 2 97 83 83 80 YORK International Rue de la Longuerais ZA des Landelles 35520 Melesse France T el 33 2 99 66 01 87 Fax 3...

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