Specifications

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The cover photograph is for illustrative purposes only and is not part of any offer for sale or contract.
11 - TOTAL HEAT RECLAIM (OPTION 50) .........................................................................................................................
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11.1 - Physical data for 30RB units with total heat reclaim condenser option ........................................................................ 25
11.2 - Dimensions, clearances, weight distribution ...................................................................................................................... 26
11.3 - Condenser water connection .............................................................................................................................................. 28
11.4 - Operating limits .................................................................................................................................................................... 29
11.5 - Flow control .......................................................................................................................................................................... 29
11.6 - Heat reclaim operation ........................................................................................................................................................ 29
11.7 - Frost protection .................................................................................................................................................................... 29
12 - PARTIAL HEAT RECLAIM USING DESUPERHEATERS (OPTION 49) ............................................................
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12.1 - Physical data, 30RB units with partial heat reclaim using desuperheaters (option 49) ............................................... 30
12.2 - Dimensional drawings for units equipped with the desuperheater option ...................................................................
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12.3 - Installation and operation of the heat reclaim with desuperheater option ................................................................... 34
13 - UNITS WITH FANS WITH AVAILABLE PRESSURE FOR INDOOR INSTALLATION (OPTION 12)
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13.1 - Installation ............................................................................................................................................................................ 38
13.2 - Nominal and maximum air flows per circuit (A, B and C) for 30RB sizes.................................................................... 39
13.3 - Factory-installed duct connection interface on the support deck of each fan ..............................................................39
14 - BRINE OPTION ....................................................................................................................................................................
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14.1 - Frost protection .................................................................................................................................................................... 45
14.2 - Units equipped with hydronic kit ...................................................................................................................................... 45
15 - UNIT STORAGE ABOVE 48°C (OPTION 241) ..............................................................................................................
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16 - MAJOR SYSTEM COMPONENTS ...................................................................................................................................
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16.1 - Compressors.......................................................................................................................................................................... 46
16.2 - Lubricant ............................................................................................................................................................................... 46
16.3 - Condensers ............................................................................................................................................................................ 46
16.4 - Fans ........................................................................................................................................................................................46
16.5 - Electronic expansion valve (EXV) ....................................................................................................................................47
16.6 - Moisture indicator ................................................................................................................................................................ 47
16.7 - Filter drier .............................................................................................................................................................................47
16.8 - Evaporator ............................................................................................................................................................................ 47
16.9 - Refrigerant ............................................................................................................................................................................ 47
16.10 - High-pressure safety switch .............................................................................................................................................. 47
16.11 - Fan arrangement ................................................................................................................................................................. 48
16.12 - Fan stages ............................................................................................................................................................................ 48
17 - OPTIONS AND ACCESSORIES ........................................................................................................................................
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18 - STANDARD MAINTENANCE .........................................................................................................................................
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18.1 - Level 1 maintenance ............................................................................................................................................................ 50
18.2 - Level 2 maintenance ............................................................................................................................................................ 50
18.3 - Level 3 (or higher) maintenance ........................................................................................................................................50
18.4 - Tightening torques for the main electrical connections ................................................................................................... 50
18.5 - Tightening torques for the main bolts and screws ............................................................................................................ 50
18.6 - Condenser coil ...................................................................................................................................................................... 50
18.7 - Evaporator maintenance ..................................................................................................................................................... 51
18.8 - Characteristics of R-410A ................................................................................................................................................... 51
19 - START-UP CHECKLIST FOR 30RB LIQUID CHILLERS (USE FOR JOB FILE) ...............................................
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