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
LIST OF CONTENTS
1 - INTRODUCTION
1.1 - Installation safety considerations
1.2 - Equipment and components under pressure
1.3 - Maintenance safety considerations
1.4 - Repair safety considerations
2 - PRELIMINARY CHECKS
2.1 - Check equipment received
2.2 - Moving and siting the unit
3 - DIMENSIONS, CLEARANCES, WEIGHT DISTRIBUTION
3.1 - 30HXC 080-190
3.2 - 30HXC 200-375
3.3 - 30GX 082-182
3.4 - 30GX 207-358
3.5 - Multiple chiller installation
4 - PHYSICAL AND ELECTRICAL DATA FOR 30HXC UNITS
4.1 - Physical data 30HXC
4.2 - Electrical data 30HXC
4.3 - Electrical data, 30HXC compressors
4.4 - Electrical data for 30HXC units with high condensing temperatures (option 150/150A)
4.5 - Unit characteristics 30HXC units with very low temperature option (option 6)
5 - PHYSICAL AND ELECTRICAL DATA FOR UNITS 30GX
5.1 - Physical data 30GX
5.2 - Electrical data 30GX
5.3 - Electrical data, 30GX and 30HXC compressors, option 150 + 150A
6 - APPLICATION DATA
6.1 - Unit operating range
6.2 - Minimum chilled water flow
6.3 - Maximum chilled water flow
6.4 - Variable flow evaporator
6.5 - System minimum water volume
6.6 - Cooler flow rate (l/s)
6.7 - Condenser flow rate (l/s)
6.8 - Evaporator pressure drop curve
6.9 - Condenser pressure drop curve
7 - ELECTRICAL CONNECTION
7.1 - Electrical connections 30HXC units
7.2 - Electrical connections 30GX units
7.3 - Power supply
7.4 - Voltage phase imbalance (%)
7.5 - Recommended wire sections
8 - WATER CONNECTIONS
8.1 - Operating precautions
8.2 - Water connections
8.3 - Flow control
8.4 - Evaporator (and condenser for the 30HXC) water box bolt tightening
8.5 - Frost protection
8.6 - Operation of two units in master/slave mode
9 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA
9.1 - Geared twin screw compressor
9.2 - Pressure vessels
9.3 - Electronic expansion device (EXV)
9.4 - Economizer
9.5 - Oil pumps
9.6 - Motor cooling valves
9.7 - Sensors
10 - MAIN OPTIONS AND ACCESSORIES
10.1 - Compressor suction valves (option 92)
10.2 - Compressor and evaporator noise insulation (30GX - option 14A)
10.3 - Low-noise 30GX units equipped with acoustic panels (option 15)
10.4 - Evaporator frost protection (30GX - option 41A
10.5 - Year-round operation of 30GX units (option 28)
10.6 - Soft Start for 3- and 4-compressor 30HXC and 30GX units (option 25)
10.7 - Electric protection level of the 30HXC control boxes to IP44C (option 20)
10.8 - Tropicalised control box for 30HXC and 30GX units (option 22)
10.9 - Brine units for low-temperature evaporator leaving applications (option 5)
10.10 - Disassembled 30HXC units (option 52)
10.11 - Available fan pressure of 150 Pa for 30GX units (option 12)
11 - MAINTENANCE
11.1 - Maintenance instructions
11.2 - Soldering and welding
11.3 - Refrigerant charging - adding charge
11.4 - Indication of low charge on a 30HXC system
11.5 - Electrical maintenance
11.6 - Pressure transducers
11.7 - Oil charging - low oil recharging
11.8 - Integral oil filter change
11.9 - Filter change-out schedule
11.10 - Filter change-out procedure
11.11 - Compressor replacement
11.12 - Corrosion control
11.13 - Condenser coil
12 - START-UP CKECKLIST FOR 30HXC/GX LIQUID CHILLERS (USE FOR JOB FILE)
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