52 CG-SVX17D-EN
Installation - Mechanical
Evaporator Piping
Evaporator water connections are grooved.
Thoroughly flush all water piping to the CGAM unit before making the final piping connections to
the unit.
Components and layout will vary slightly, depending on the location of connections and the water
source.
CAUTION
Equipment Damage!
If using an acidic commercial flushing solution, construct a temporary bypass around the unit to
prevent damage to internal components of the evaporator and the pump.
CAUTION
Proper Water Treatment!
The use of untreated or improperly treated water in a Chiller may result in scaling, erosion,
corrosion, algae or slime. It is recommended that the services of a qualified water treatment
specialist be engaged to determine what water treatment, if any, is required. Trane assumes no
responsibility for equipment failures which result from untreated or improperly treated water, or
saline or brackish water.
Drainage
Locate the unit near a large capacity drain for water vessel drain-down during shutdown or repair.
Evaporators are provided with drain connections. Refer to “Water Piping.” All local and national
codes apply.
A vent is provided on the top of the evaporator at the chilled water inlet. Be sure to provide
additional vents at high points in the piping to bleed air from the chilled water system. Install
necessary pressure gauges to monitor the entering and leaving chilled water pressures.
Table 21. Point Weights (lbs) - 50 Hz - with pump package and buffer tank options
Isolator location
Without partial heat recovery With partial heat recovery
Size 123456123456
20 ton
454 439 1601 1532 - - 461 450 1602 1554 - -
26 ton
472 453 1624 1540 - - 478 464 1625 1562 - -
30 ton
676 563 1832 1594 - - 686 583 1831 1615 - -
35 ton
685 566 1869 1618 - - 695 586 1868 1639 - -
40 ton
807 753 2057 1945 - - 800 746 2113 2000 - -
52 ton
824 784 2070 1985 - - 817 776 2126 2041 - -
60 ton
733 685 1104 1035 1688 1587 723 674 1116 1047 1740 1639
70 ton
730 694 1108 1057 1705 1631 719 683 1120 1070 1757 1682
80 ton
1842 1909 1247 1293 868 900 1887 1954 1279 1324 891 923
90 ton
1915 2006 1274 1336 875 919 1947 2038 1309 1371 906 950
100 ton
1929 1901 1285 1856 1255 1236 2025 1993 1307 1885 1236 1214
110 ton
1943 1925 1293 1877 1261 1248 1836 2042 1699 1905 1067 1207
120 ton
1740 1948 1723 1931 1163 1305 1771 1979 1763 1971 1196 1338
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