Carrier 30GX Installation, Operation And Maintenance Instructions
Screw compressor water-cooled liquid chillers and air-cooled liquid chillers
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Summary of Contents for Carrier 30GX
- Page 1 30GX 082-358 30HXC 080-375 Screw Compressor Water- Cooled Liquid Chillers and Air-Cooled Liquid Chillers Nominal cooling capacity 30HXC: 286-1300 kW Nominal cooling capacity 30GX: 282-1203 kW 50 Hz GLOBAL CHILLER Installation, operation and maintenance instructions...
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Page 2: Table Of Contents
5.1 - Physical data 30GX ................................18 5.2 - Electrical data 30GX ................................18 5.3 - Electrical data, 30GX and 30HXC compressors, option 150 + 150A ................19 6 - APPLICAtIOn DAtA ................................20 6.1 - Unit operating range ................................20 6.2 - Minimum chilled water flow .............................. - Page 3 10.5 - Year-round operation of 30GX units (option 28) ......................35 10.6 - Soft Start for 3- and 4-compressor 30HXC and 30GX units (option 25) ..............35 10.7 - Electric protection level of the 30HXC control boxes to IP44C (option 20) ............... 36 10.8 - Tropicalised control box for 30HXC and 30GX units (option 22) .................
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Page 4: Introduction
These products incorporate equipment or components under designated lifting points marked on the unit. pressure, manufactured by Carrier or other manufacturers. We recommend that you consult your appropriate national These units are not designed to be lifted from above. Use... -
Page 5: Repair Safety Considerations
The necessary protection equipment must be available, valves). and appropriate fire extinguishers for the system and the • Check manual “30gX/30hXC Pro-Dialog Plus refrigerant type used must be within easy reach. control” for a detailed explanation of the high- pressure switch test method. -
Page 6: Preliminary Checks
Avoid spilling liquid refrigerant on skin or splashing it Do not drain water circuits containing industrial brines, into the eyes. Use safety goggles. Wash any spills from the without informing the technical service department at the skin with soap and water. If liquid refrigerant enters the installation site or a competent body first. -
Page 7: Moving And Siting The Unit
Verify the quality of the thermal insulation and of the unit and impair unit operation. vapour barriers. If 30GX units are hoisted with rigging, it is advisable to protect coils against crushing while a unit is being moved. Use struts or spreader bars to spread the slings above the unit. -
Page 8: Dimensions, Clearances, Weight Distribution
3 - DIMENsIONs, ClEaRaNCEs, wEIGHT DIsTRIbUTION 3.1 - 30HXC 080-190 30HXC-080 30HXC-090 30HXC-100 30HXC-110 legend 30HXC All dimensions are in mm. 2558 1800 2200 1000 080-090-100 Evaporator 2565 1850 2200 1000 120-130-140-155 3275 1816 2990 1000 Condenser 175-190 3275 1940 2990 1000 Clearances required for operation and maintenance... -
Page 9: 30Hxc 200-375
3.2 - 30HXC 200-375 30HXC legend All dimensions are in mm. 3903 1015 1980 3600 1000 230-260-285 3924 1015 2060 3600 1000 Evaporator 310-345-375 4533 1015 2112 4200 1000 Condenser NOTE: Refer to the certified dimensional drawings Clearances required for operation and maintenance supplied with the unit, when designing an installation. -
Page 10: 30Gx 082-182
3.3 - 30GX 082-182 standard units 30GX-082 30GX-092 30GX-152 30GX-102 30GX-162 30GX-112 30GX-182 30GX-122 30GX-132 Units with low and very low noise levels legend 30GX All dimensions are in mm. 082-092-102 2967 1900 Clearances required for operation and maintenance 112-122-132... -
Page 11: 30Gx 207-358
3.4 - 30GX 207-358 standard units Units with low and very low noise levels legend 30GX All dimensions are in mm. 207-227 5994 2850 2662 Clearances required for operation and maintenance 247-267 6909 2850 2662 7824 2050 1036 3578 Clearances required for tube removal... -
Page 12: Multiple Chiller Installation
3.5 - Multiple chiller installation NOTE: If the walls are higher than 2 m, contact the factory. 1525 1525 legend Wall Units Notes Unit must have clearances 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 space requirement. -
Page 13: Physical And Electrical Data For 30Hxc Units
5477 5553 5721 Refrigerant charge** HFC-134a Circuit A** Circuit B** Oil*** Polyolester oil CARRIER SPEC. PP 47-32 Circuit A/B 17/17 17/17 17/17 17/17 17/17 17/17 17/17 17/17 17/17 17/17 30/17 30/17 30/17 30/17 34/34 34/34 34/34 Compressors† Semi-hermetic, twin-screw Size - Circuit A†... -
Page 14: Electrical Data, 30Hxc Compressors
4.3 - Electrical data, 30HXC compressors Reference size I nom. lRa (y) lRa (s) 1 cp lRa (s) 2 cp 06NW2146S7N 06NW2174S7N 06NW2209S7N 06NW2250S7N 06NW2300S5N 06NW2300S5E legend 06NW - Compressor for water-cooled units - Non-economized compressor - Economized compressor I nom. - Average current draw of the compressor at Eurovent conditions (A) - Must hold amperes (maximum operating current) at 360 V (A) - Locked rotor current with across-the-line start (A) -
Page 15: Unit Characteristics For 30Hxc Units With Very Low Temperature Option (Option 6)
4.5 - Unit characteristics for 30HXC units with very the main modifications are: low temperature option (option 6) • Use of 30GX compressors (example: 06NA2300S5N instead of 06NW 2300S5N). • Modification of electrical components to operate with The 30HXC units with the very low temperature option compressors for high condensing temperatures. - Page 16 Operating range 35% ethylene glycol Operating range 30% propylene glycol 13 15 Evaporator leaving water temperature, °C Evaporator leaving water temperature, °C Notes Evaporator ∆T = 4 K max. - condenser ∆T = 5 K Operating range applicable for full and reduced load At full load with a condenser entering water temperature below 20°C, a three-way valve must be used to maintain the correct condensing temperature.
- Page 17 4.5.4 - Evaporator pressure drop curve, units for very low temperature The evaporator is equipped with heat insulation of 38 mm thick polyurethane foam. Cooler pressure drop, 30HXC low-brine version 1000 0,01 Pure water flow rate, l/s...
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Page 18: Physical And Electrical Data For Units 30Gx
5 - PHysICal aND ElECTRICal DaTa FOR UNITs 30GX 5.1 - Physical data 30GX 30GX Net nominal cooling capacity* kW 282 1116 1203 Net nominal cooling capacity* Option 15lN* 1083 1191 Operating weight 3066 3097 3106 3350 3364 3378 3767... -
Page 19: Electrical Data, 30Gx And 30Hxc Compressors, Option 150 + 150A
5.3 - Electrical data, 30GX and 30HXC compressors, option 150 + 150a Reference size I nom. lRa (y) lRa (s) 1 cp. lRa (s) 2 cp. 06Na2146s7N 06Na2174s7N 06Na2209s7N 06Na2250s7N 06Na2300s5N 1226 06Na2300s5E 1265 legend 06NA - Compressor for air-cooled units... -
Page 20: Application Data
Outdoor ambient operating temperature °C 0† Available static pressure For application requiring operation at less than 6.8°C, contact Carrier for unit selection using the Carrier electronic catalog. For application requiring operation at less than 4°C, the units require the use of antifreeze.