Carrier 30RY 017 Скачать руководство пользователя страница 3 | Manualshive

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CONTENTS (cont’d)

12 - MAINTENANCE .................................................................................................................................................................... 24
12.1 - General maintenance of the refrigerant circuit ....................................................................................................................... 24
12.2 - Verification of the refrigerant charge ..................................................................................................................................... 24
12.3 - Apparent and actual subcooling ............................................................................................................................................. 24
12.4 - Refrigerant guidelines ............................................................................................................................................................ 25
12.5 - Recharging liquid refrigerant ................................................................................................................................................. 25
12.6 - Undercharge ........................................................................................................................................................................... 25
12.7 - Characteristics of R407C ....................................................................................................................................................... 25
12.8 - Electrical maintenance ........................................................................................................................................................... 25
12.9 - Condenser coil ........................................................................................................................................................................ 26

13 - AQUASNAP MAINTENANCE PROGRAM ....................................................................................................................... 27
13.1 - Maintenance schedule ............................................................................................................................................................ 27
13.2 - Description of the maintenance operations ............................................................................................................................ 27

14 - START-UP CHECKLIST FOR 30RY LIQUID CHILLERS ............................................................................................ 29

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Содержание 30RY 017

Страница 1: ...Installation operation and maintenance instructions AQUASNAP For the operation of the control please refer to the Pro Dialog Control manual for the 30RA RH 30RY RYH B series Carrier is participating...

Страница 2: ...loop volume 12 6 6 30RY unit operating range at full and part load 12 6 7 Pressure drop in the plate heat exchangers 13 7 ELECTRICAL CONNECTION 14 7 1 Power supply 15 7 2 Voltage phase imbalance 15 8...

Страница 3: ...tual subcooling 24 12 4 Refrigerant guidelines 25 12 5 Recharging liquid refrigerant 25 12 6 Undercharge 25 12 7 Characteristics of R407C 25 12 8 Electrical maintenance 25 12 9 Condenser coil 26 13 AQ...

Страница 4: ...d before operating the unit In certain cases the globe stops are installed on ball valves These valves are factory supplied lead sealed in the open position This system permits isolating and removing...

Страница 5: ...ioration and injuries to people Faults and leaks must be repaired immediately The authorized technician must have the responsibility to repair the fault immediately Each time repairs have been carried...

Страница 6: ...be trapped between this valve and the expansion device This valve is situated on the liquid line before the filter drier box Do not attempt to repair or recondition any safety devices when corrosion o...

Страница 7: ...connections and service operations For the centre of gravity coordinates the position of the unit mounting holes and the weight distribu tion points refer to the certified dimensional drawing supplied...

Страница 8: ...s and arrangements are in place and comply with the current European standard Verify that all document for pressure containers certificates name plates files instruction manuals that are required docu...

Страница 9: ...location of fixing points weight distribution and coordinates of the centre of gravity refer to the certified dimensional drawings B Install a condensate collection channel around the unit or install...

Страница 10: ...070 080 Power circuit Nominal power supply V ph Hz 400 3 50 Voltage range V 360 440 Control circuit supply The control circuit is supplied via the unit mounted transformer Maximum unit power input kW...

Страница 11: ...re range 10 C to 46 C class 4K3 altitude 2000 m presence of hard solids class 4S2 no significant dust present presence of corrosive and polluting substances class 4C2 negligible vibration and shock cl...

Страница 12: ...vaporator T of 2 8 K must be guaranteed which corresponds to a water flow rate of 0 9 l s per kW 6 5 Water loop volume 6 5 1 Minimum water loop volume The minimum water loop volume in litres is given...

Страница 13: ...17 2 30RY 021 3 30RY 026 4 30RY 033 5 30RY 040 6 30RY 050 7 30RY 060 8 30RY 070 9 30RY 080 1 10 100 1000 2000 1 10 1 2 3 4 5 6 7 8 9 6 7 Pressure drop in the plate heat exchangers Pressure drop kPa Wa...

Страница 14: ...ections For copper cables use electrolytic copper AMP type cable stiffeners with 6 mm terminal for sizes 017 to 080 30RY X mm Y mm 017 033 1180 761 040 080 190 762 NOTES The 30RY units have only one p...

Страница 15: ...isolator switch are designed for the number and type of wires listed in the table below The calculations are based on the maximum machine current see electrical data tables and the standard installati...

Страница 16: ...be recommended 10 pH Ideal case pH neutral at 20 25 C 7 pH 8 ATTENTION Charging adding or draining fluid from the water circuit must be done by qualified personnel using air vents and materials suitab...

Страница 17: ...n switching the unit off in winter Add ethylene glycol with an adequate concentration to protect the installation up to a temperature of 10 K below the lowest temperature likely to occur at the instal...

Страница 18: ...c module are equipped with a flow switch and an internal piping heater Legend Components of the unit and hydronic module 1 Victaulic screen filter 2 Expansion tank 3 Safety valve 4 Available pressure...

Страница 19: ...rve to obtain the desired operating point see example for 30RY 080 The pres sure drop reading in the plate heat exchanger is used to control and adjust the nominal system flow rate The pressure drop i...

Страница 20: ...ly closing the control valve until you obtain the specific pressure drop that corresponds to the nominal flow rate at the required unit operating point If the system has an excessive pressure drop in...

Страница 21: ...ide a removable window on the return air duct to permit maintenance of the air temperature sensor 10 5 2 Air return with accessory filter The suction side connection collar must first be removed Insta...

Страница 22: ...ry Filter access for maintenance is ensured by removing the two Metric screws on the unit side rear view of the unit The cover panel supplied with a handle can now be removed The filters are attached...

Страница 23: ...ntactor power supply If the pump is not supplied with the unit unit without hydronic module verify that the power input of the field installed pump does not exceed the rating of the standard pump cont...

Страница 24: ...heck all heat exchangers and all pipework If water jets are used inside the units e g to clean the coils the lower holes for possible condensate removal must be blocked 12 2 Verification of the refrig...

Страница 25: ...specialists Their activities must be overseen and checked by properly trained people To minimise discharge to the atmosphere refrigerants and lubricating oil must be transferred using methods which re...

Страница 26: ...4 51 04 28 75 63 67 67 64 10 22 12 27 77 19 5 46 77 51 55 29 64 07 68 02 10 25 22 94 28 56 19 75 47 29 52 05 29 25 64 47 68 39 12 9 Condenser coil We recommend that finned coils are inspected regularl...

Страница 27: ...operations please refer to the paragraph on diagnostics and breakdowns of the 30RA RH 30RY RYH B Pro Dialog Plus controls manual IMPORTANT Before each equipment maintenance operation please ensure tha...

Страница 28: ...ssors fans and pumps Check the compressor fan and pump winding status Mechanical checks Check the tightening of the fan tower fan compressor and control box fixing bolts Check that no water has penetr...

Страница 29: ...mage prevent unit start up Unit is level in its installation Power supply agrees with the unit name plate Electrical circuit wiring has been sized and installed properly Unit ground wire has been conn...

Страница 30: ...to 080 3 50 litres nominal kW capacity for air conditioning 30RY 017 to 040 Proper loop volume established Proper loop corrosion inhibitor included litres of Proper loop freeze protection included if...

Страница 31: ...this machine Once all checks have been made start the unit in the LOCAL ON position Unit starts and operates properly Temperatures and pressures WARNING Once the machine has been operating for a while...

Страница 32: ...persedes order No 13427 76 04 2002 Manufactured by Carrier SA Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the Netherlands Printed on...

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