Carrier 30XW, Installation, Operation And Maintenance Instructions

Page: 3 / 36

3
The cover photograph is for illustrative purposes only and is not part of any offer for sale or contract.
This manual applies to the following four 30XW unit types:
• 30XW-- Standard-efficiency units
• 30XW-P High-efficiency units
and
• 30XWH- Heat Machine standard-efficiency units
• 30XWHP Heat Machine high-efficiency units
For the operation of the control please refer to the 30XA/30XW-Pro-Dialog control manual.
9 - OPTION FOR HIGH CONDENSING TEMPERATURES (OPTION 150) ................................................................ 24
9.1 - Physical data, units with option 150 ..................................................................................................................................... 24
9.2 - Electrical data, units with option 150 ................................................................................................................................... 25
9.3 - Dimensions and clearances, units with option 150 ............................................................................................................. 26
9.4 - Operating limits, units with option 150 ................................................................................................................................ 26
10 - MEDIUM TEMPERATURE (OPTION 5) AND LOW TEMPERATURE (OPTION 6) GLYCOL SOLUTION
OPTIONS ............................................................................................................................................................................... 26
10.1 - Physical data, units with options 5 and 6 ........................................................................................................................... 26
10.2 - Electrical data, units with options 5 and 6 ......................................................................................................................... 27
10.3 - Dimensions, clearances, units with option 5 and 6 ............................................................................................................ 27
10.4 - Operating range, units with options 5 and 6 ...................................................................................................................... 27
10.5 - Minimum recommended evaporator flow rate with options 5 and 6 ............................................................................. 27
10.6 - Nominal evaporator pressure drop with options 5 and 6 ................................................................................................ 27
11 - MAJOR SYSTEM COMPONENTS AND OPERATION DATA ................................................................................... 28
11.1 - Direct-drive twin-screw compressor with variable capacity slide valve ........................................................................ 28
11.2 - Pressure vessels..................................................................................................................................................................... 28
11.3 - High-pressure safety switch ................................................................................................................................................ 29
11.4 - Electronic expansion valve (EXV) .................................................................................................................................... 29
11.5 - Moisture indicator ................................................................................................................................................................ 29
11.6 - Filter drier ............................................................................................................................................................................. 29
11.7 - Sensors ................................................................................................................................................................................... 29
12 - OPTIONS ............................................................................................................................................................................... 30
13 - STANDARD MAINTENANCE .......................................................................................................................................... 31
13.1 - Level 1 maintenance ............................................................................................................................................................ 31
13.2 - Level 2 maintenance ............................................................................................................................................................ 31
13.3 - Level 3 (or higher) maintenance ........................................................................................................................................ 31
13.4 - Tightening of the electrical connections ............................................................................................................................ 31
13.5 - Tightening torques for the main bolts and screws ............................................................................................................ 32
13.6 - Evaporator and condenser maintenance ........................................................................................................................... 32
13.7 - Compressor maintenance .................................................................................................................................................... 32
14 - START-UP CHECKLIST FOR 30XW LIQUID CHILLERS (USE FOR JOB FILE) .............................................. 34