Carrier 30GH 040 Installation, Operation And Maintenance Instructions Download Page 1

Page: 1 / 16

Installation, operation and maintenance instructions

30GH 040-245
30GZ 040-245

Air-cooled liquid chillers

50 Hz

Carrier is participating in
the Eurovent Certification
Programme. Products are
as listed in the Eurovent
Directory of Certified
Products.

Summary of Contents for 30GH 040

Page 1: ...and maintenance instructions 30GH 040 245 30GZ 040 245 Air cooled liquid chillers 50 Hz Carrier is participating in the Eurovent Certification Programme Products are as listed in the Eurovent Directo...

Page 2: ...hecks 10 Actual start up 10 Servicing refrigeration components 11 General maintenance 11 Liquid refrigerant charging 11 Compressors 12 Compressor protection circuit board STARTERGUARD 12 Heat exchange...

Page 3: ...temperature C Pressure drop air kPa Pressure drop water kPa Discharge air pressure Pa Fan speed r s or rpm Fan motor input Ph 1 V Ph 2 V Ph 3 V Ph 1 V Ph 2 V Ph 3 V Ph 1 V Ph 2 V Ph 3 V Ph 1 V Ph 2 V...

Page 4: ...85 145 Do not obstruct 30GH GZ A B C D E F G 040 045 2450 1870 1912 2500 1200 500 1200 050 060 2900 2156 2060 2500 1200 500 1200 085 100 3404 2328 2471 1600 1800 1600 1800 120 145 4322 2328 2471 1600...

Page 5: ...not obstructed At least two sides of the units must be free from obstructions to ensure proper air flow If several units are installed next to each other ensure that the space in between the units is...

Page 6: ...150 DN150 Drain NPT in 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 Max water side operating pressure kPa 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000...

Page 7: ...ing of the liquid water or brine Refer to the examples below NOTE The compressor must not restart more than 6 times in an hour INSTALLATION SAFETY CONSIDERATIONS Installation start up and servicing th...

Page 8: ...Siting Before siting the unit check that the permitted loading at the site is adequate or that appropriate strenghtening measures have been taken the surface is horizontal flat and intact there is ade...

Page 9: ...valves close to the evaporator in the entering and leaving water lines Use flexible connections to reduce the transmission of vibration to the pipework Insulate all pipework after testing for leaks b...

Page 10: ...he lubricating oil from absorbing refrigerant Check the operation of all accessories chilled water circulating pumps air handlers and other equipment connected to the evaporator Follow the individual...

Page 11: ...H or 12 K 30GZ of subcooling as the liquid refrigerant enters the expansion valve The units 30GH GZ 040 245 use refrigerant For your information we are reproducing here some extracts from the official...

Page 12: ...xchangers Evaporator Protection devices Freeze up prevention thermostat The evaporator is protected against freeze up The protection is provided by two sensors installed in the unit Significant underc...

Page 13: ...r Carrier distributor Replacing cooler tubes Retubing must be done only by a properly trained service engineer Most standard practices can be applied but for cooler tubes a 5 crush allowance is made f...

Page 14: ...or rotating water jets are strictly forbidden Correct and frequent cleaning approximately every three months will prevent 2 3 of the corrosion problems Fan motor replacement This presents no special p...

Page 15: ...efective compressor Refrigerant losses Refrigerant losses Low water flow in the evaporator Blocked expansion valve Blocked filter drier Defective high pressure switch Defective fan s Low water flow in...

Page 16: ...7 Supersedes order No 13187 76 July 1996 Printed on Totally Chlorine Free Paper Manufacturer reserves the right to change any product specifications without notice Printed in the Netherlands Manufactu...