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INSTALLATION, OPERATION AND
M A I N T E N A N C E I N S T R U C T I O N S

Screw Compressor Water-Cooled Liquid Chillers

30HXC 080-375

Original instructions

Nominal cooling capacity 30HXC: 286-1300 kW 50 Hz / 60Hz

Содержание 30HXC Series

Страница 1: ...INSTALLATION OPERATION AND MAINTENANCE INSTRUCTIONS Screw Compressor Water Cooled Liquid Chillers 30HXC 080 375 Original instructions Nominal cooling capacity 30HXC 286 1300 kW 50 Hz 60Hz...

Страница 2: ...nsing temperature options 150 150A 19 5 4 Physical data 30HXC option 61 380V 3ph 60Hz 20 5 5 Electrical data 30HXC option 61 21 5 6 Electrical data 30HXC option 61 with high condensing temperature opt...

Страница 3: ...0 11 MAIN OPTIONS AND ACCESSORIES 41 11 1 Compressor suction valves option 92 42 11 2 Electric protection level of the 30HXC control boxes to IP44C option 20 42 11 3 Tropicalised control box for 30HXC...

Страница 4: ...unit more than 15 Safety is only guaranteed if these instructions are carefully followed If this is not the case there is a risk of material deterioration and injuries to personnel Never cover any pro...

Страница 5: ...r pressure The units are intended to be stored and operate in an environment where the ambient temperature must not be less than the lowest allowable temperature indicated on the nameplate See section...

Страница 6: ...omplywiththeF GasDirectiveN 517 2014andanyother applicable local legislation 2 Ensure that the refrigerant is never released to the atmosphereduringinstallation maintenanceorequipment disposal 3 The d...

Страница 7: ...for the system and the refrigerant type used must be within easy reach Do not siphon refrigerant Avoid contact with liquid refrigerant on the skin or splashing it into the eyes Use safety goggles Was...

Страница 8: ...ATTENTION No part of the unit must be used as a walk way rack or support Periodically check and repair or if necessary replace any component or piping that shows signs of damage The refrigerant lines...

Страница 9: ...rams During the installation test national regulations must be followed If no national regulation exists standard EN 378 can be used as a guide External visual installation checks Ensure that the mach...

Страница 10: ...r to the certified dimensional drawings supplied with the unit when designing an installation 30HXC 080 30HXC 090 30HXC 100 30HXC 110 A D B 600 500 4 700 4 3 C E 3 3 F 1 2 Legend All dimensions are in...

Страница 11: ...imensional drawings supplied with the unit when designing an installation 4 2 E 500 B 3 A C D 700 3 4 500 3 F 1 Legend All dimensions are in mm Evaporator Condenser Clearances required for operation a...

Страница 12: ...nces for air flow as follows Top do not restrict in any way In case of multiple chillers up to four units the respective clearance between them should be increased from 1830 to 2000 mm for the side sp...

Страница 13: ...nimum step capacity 19 19 21 19 21 19 17 19 21 21 14 14 14 14 10 10 10 Evaporator Shell and tube with internally finned copper tubes Net water volume l 50 50 58 69 65 65 75 75 88 88 126 155 170 170 19...

Страница 14: ...io circuit A 3 02 3 13 2 79 2 99 2 96 2 79 2 99 Max starting current max current draw ratio circuit B 4 70 4 58 4 58 4 97 2 96 2 79 2 99 Max starting current reduced current start Un A std std std std...

Страница 15: ...B A 161 189 189 235 350 377 469 Maximum starting current standard unit Un A 281 316 338 382 404 437 521 548 576 635 1255 1549 1603 1734 1737 1792 1969 Circuit A A 1094 1360 1415 1500 1387 1415 1500 Ci...

Страница 16: ...cal to those of the standard 30HXC units The only difference is in the diameter of the incoming field wiring connection described in the chapter Recommended selection Refer to the dimensional drawings...

Страница 17: ...19 21 19 17 19 21 21 14 14 14 14 10 10 10 Evaporator Shell and tube with internally finned copper tubes Net water volume l 50 50 58 69 65 65 75 75 88 88 126 155 170 170 191 208 208 Water connections V...

Страница 18: ...87 1 91 Max starting current max current draw ratio circuit A 2 88 3 04 2 73 2 83 2 88 2 73 2 83 Max starting current max current draw ratio circuit B 4 45 4 46 4 46 4 66 2 88 2 73 2 83 Max starting c...

Страница 19: ...2 24 Max starting current max current draw ratio circuit A 3 56 3 52 3 11 3 48 3 32 3 11 3 48 Max starting current max current draw ratio circuit B 5 66 5 23 5 23 5 96 3 32 3 11 3 48 Max starting curr...

Страница 20: ...10 10 Evaporator Shell and tube with internally finned copper tubes Net water volume l 50 50 58 69 65 65 75 75 88 88 126 155 170 170 191 208 208 Water connections Victaulic connections Inlet outlet i...

Страница 21: ...77 1 81 Max starting current max current draw ratio circuit A 2 67 2 81 2 54 2 63 2 67 2 54 2 63 Max starting current max current draw ratio circuit B 4 06 4 08 4 08 4 25 2 67 2 54 2 63 Max starting...

Страница 22: ...std std std std std std std 1 62 1 64 1 57 1 68 1 47 1 42 1 51 Circuit A 1 96 2 01 1 85 2 01 1 93 1 85 2 01 Circuit B 2 29 2 04 2 04 2 52 1 93 1 85 2 01 Three phase short circuit holding current kA 2...

Страница 23: ...n range allows the production of glycol water solution down to 10 C with ethylene glycol at 35 by weight or down to 7 C with propylene glycol at 30 by weight The precision of these amounts is critical...

Страница 24: ...eration permitted but performances is not optimized Condenser entering water temperature C Condenser entering water temperature C Evaporator leaving water temperature C 50 48 44 20 15 13 D C 7 0 4 13...

Страница 25: ...evaporator is equipped with heat insulation of 38 mm thick polyurethane foam Cooler pressure drop 30HXC low brine version Pure water flow rate l s Pressure drop kPa 0 01 0 1 1 10 100 1000 1 10 100 HXC...

Страница 26: ...ing temperature 50 C at full load 4 For low evaporator leaving temperatures 4 C and 6 C order option 5 Legend A Standard unit operating at full load B Standard unit operating at reduced load C Units o...

Страница 27: ...ary for stable operation and accurate temperature control It is often necessary to add a buffer water tank to the circuit in order to achieve the required volume The tank must itself be internally baf...

Страница 28: ...ser pressure drop curve Pressure drop kPa Water flow rate l s Note The dotted part of the curves corresponds to the flow values only permitted for closed circuits Legend 1 30HXC 080 090 100 110 2 30HX...

Страница 29: ...ble section see table Recommended wire sections 30HXC A B C D E F G H Standard Circuit A 310 375 400A 56 25 4 1492 6 314 1824 314 10 5 Circuit B 310 345 400A 56 25 4 1492 6 314 1824 314 10 5 375 630A...

Страница 30: ...s disconnect switches and branch sections designed to supply the evaporator and condenser pump power input IMPORTANT Generally the recommendations of IEC 60364 are accepted as compliance with the requ...

Страница 31: ...IMPORTANT Before connection of the main power cables L1 L2 L3 on the terminal block it is imperative to check the correct order of the 3 phases before proceeding to the connection on then terminal blo...

Страница 32: ...itches are indicated by a 1 8 4 3 Selection table of minimum and maximum wire sections 400V 3ph 50Hz option 150 30HXC Minimum wire section mm2 Wire type L m Maximum wire section mm2 Wire type L m 080...

Страница 33: ...E Al 265 2 x 95 XLPE Cu 270 375 Circuit A 1 x 150 XLPE Cu 190 2 x 185 XLPE Al 270 2 x 120 XLPE Cu 280 200 Circuit B 1 x 50 XLPE Cu 160 1 x 120 XLPE Al 205 1 x 70 XLPE Cu 205 230 Circuit B 1 x 70 XLPE...

Страница 34: ...u 190 2 x 240 XLPE Cu 295 Power supply wire section see diagram in chapter Electrical connection 8 4 6 Selection table of minimum and maximum wire sections 380V 3ph 60Hz option 61 30HXC Minimum wire s...

Страница 35: ...PE Cu 190 2 x 185 XLPE Al 270 1 x 240 XLPE Cu 235 260 Circuit A 1 x 240 XLPE Cu 190 2 x 240 XLPE Al 280 2 x 150 XLPE Cu 290 285 Circuit A 1 x 240 XLPE Cu 190 2 x 240 XLPE Cu 295 310 Circuit A 1 x 185...

Страница 36: ...any start up verify that the heat exchange fluid is compatible with the materials and the water circuit coating In case additives or other fluids than those recommended by Carrier are used ensure tha...

Страница 37: ...second B Initialisation validation Release the button for between 1 and 5 seconds C Threshold control Press for the number of seconds that corresponds to the required setpoint pressing for 10 seconds...

Страница 38: ...ator flow stopped to allow safe pressure equilibrium Special attention has to be given to the hydraulic design when option 152 is selected in order to maintain the condenser flow even when the 0 10V s...

Страница 39: ...se a flooded evaporator The water circulates in the tubes and the refrigerant is on the outside in the shell One vessel is used to serve both refrigerant circuits There is a center tube sheet which se...

Страница 40: ...oint on until the initialization the processor counts the total number of open and closed steps it has sent to each valve 10 4 Economizer Economizers are installed on 30HXC 190 285 and 375 The economi...

Страница 41: ...um water side service pressure to 21 bar standard 10 bar Covers applications with a high water column condenser side typically high buildings 080 375 Reversed evaporator water connections 107 Evaporat...

Страница 42: ...get the best performance from your HVAC unit improved cooling performance reduced power consumption prevention of accidental component failure prevention of major time consuming and costly interventio...

Страница 43: ...rsunder normal operation The 30HXC metering device is designed to work properly under these conditions 1 Make sure that the circuit is running at a full load condition TocheckwhethercircuitAisfullyloa...

Страница 44: ...sor 2 Manually force the operation of the oil solenoid valve in order to press the internal valve shutter onto its seat 3 Close the oil filter service valve Bleed pressure from the filter cavity throu...

Страница 45: ...the bottom of its stroke If it is believed that the valve is not working properly contact your Carrier service department for further checks on output signals on EXV module wire connections continuity...

Страница 46: ...Additional air handling units and accessories Preliminary equipment check Is there any shipping damage If so where Will this damage prevent unit start up Unit is level in its installation Power supply...

Страница 47: ...power company for assistance All incoming power voltage is within rated voltage range Check cooler water loop Water loop volume litres Calculated volume litres 3 25 litres nominal kW capacity for air...

Страница 48: ...t Condenser water sensors Water valve type If installed To start the chiller WARNING Be sure that all service valves are open and all pumps are on before attempting to start this machine Once all chec...

Страница 49: ......

Страница 50: ...es order No 13050 03 2011 Manufacturer Carrier SCS Montluel France Manufacturer reserves the right to change any product specifications without notice Printed in the European Union www eurovent certif...

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