Installation - Mechanical
48 RTAC-SVX01J-EN
Drainage
Provide a large capacity drain for vessel drain-down
during shutdown or repair. Evaporator is provided with
drain connection. All local and national codes apply. Vent
on top of evaporator waterbox is provided to prevent
vacuum by allowing air into evaporator for complete
drainage.
Evaporator Water Piping
Thoroughly flush all water piping to the unit before making
the final piping connections to the unit.
Evaporator Piping
Components and layout will vary slightly, depending on
the location of connections and the water source.
Provide shutoff valves in lines to the gauges to isolate
them from the system when they are not in use. Use
rubber vibration eliminators to prevent vibration
transmission through the water lines. If desired, install
thermometers in the lines to monitor entering and leaving
water temperatures. Install a balancing valve in the leaving
water line to control water flow balance. Install shutoff
valves on both the entering and leaving water lines so that
the evaporator can be isolated for service.
Copper Coils - Standard Efficiency
140 1658 1720 1675 1737 1695 1757 1715 1777 - -
155 1717 1728 1737 1742 1748 1750 1765 1775 - -
170 1717 1774 1737 1798 1765 1827 1793 1855 - -
185 2042 2121 2034 2112 2020 2038 2006 2090 - -
200 2056 2130 2055 2130 2055 2112 2054 2129 - -
250 2078 2332 2089 2356 2118 2385 2146 2413 2170 2437
275 2638 2933 2529 2805 2358 2653 2215 2501 2079 2384
300 2462 2718 2477 2732 2495 2784 2545 2782 2543 2798
350 3158 3137 3039 3018 2951 2894 2894 2873 2784 2779
375 3576 3579 3291 3255 3083 2948 2948 2912 2689 2690
400 3538 3498 3372 3350 3272 3207 3207 3184 3082 3077
Copper Coils - High Efficiency
120 1658 1720 1675 1737 1695 1757 1715 1777 - -
130 1658 1720 1675 1737 1695 1757 1715 1777 - -
140 1658 1720 1675 1737 1695 1757 1715 1777 - -
155 2025 2040 2012 2035 2009 2033 2007 2031 - -
170 2025 2100 3034 2098 2020 2038 2016 2090 - -
185 1839 1954 1842 1945 1846 1920 1859 1956 1857 1961
200 1891 1961 1890 1960 1887 1957 1885 1956 1883 1953
250 2505 2767 2418 2685 2321 2588 2224 2491 2170 2437
275 2488 2740 2529 2805 2581 2833 2639 2828 2720 2972
300 2825 3097 2766 3037 2690 2962 2605 2876 2526 2798
350 3000 2934 3184 3118 3281 3214 3429 3362 3628 3562
375 3576 3579 3442 3445 3309 3176 3176 3179 3043 3046
400 3445 3396 3516 3467 3587 3538 3658 3609 3730 3681
Table 26. Point weights (lbs) - remote units - 60 Hz
Size
(tons)
Isolator Location
12345678910
Aluminum Coils - Standard Efficiency
140 1150 1183 1095 1128 1032 1065 969 1002 - -
155 1150 1183 1095 1128 1032 1065 969 1002 - -
170 1150 1183 1095 1128 1032 1065 969 1002 - -
185 1381 1384 1325 1331 1241 1246 1156 1162 - -
200 1397 1437 1351 1391 1279 1318 1206 1246 - -
225 1251 1307 1222 1279 1172 1229 1126 1190 1081 1140
250 1274 1312 1246 1283 1196 1233 1149 1190 1103 1140
Aluminum Coils - High Efficiency
140 1150 1183 1095 1128 1032 1065 969 1002 - -
155 1321 1361 1270 1301 1190 1230 1109 1149 - -
170 1321 1361 1270 1314 1190 1230 1109 1149 - -
185 1175 1267 1151 1242 1107 1199 1067 1159 1027 1118
200 1251 1295 1222 1259 1172 1207 1122 1159 1081 1118
Copper Coils - Standard Efficiency
140 1406 1454 1388 1435 1366 1414 1345 1392 - -
155 1406 1454 1388 1435 1366 1414 1345 1392 - -
170 1406 1454 1388 1435 1366 1414 1345 1392 - -
185 1749 1772 1718 1744 1675 1700 1631 1656 - -
200 1768 1825 1745 1805 1713 1772 1680 1740 - -
225 1622 1697 1608 1686 1587 1665 1568 1645 1549 1625
250 1645 1702 1633 1690 1611 1668 1591 1648 1571 1628
Table 25. Point weights (lbs) - packaged units - 50 Hz
Size
(tons)
Isolator Location
12345678910
Copper Coils - High Efficiency
140 1406 1454 1388 1435 1366 1414 1345 1392 - -
155 1689 1749 1664 1714 1624 1673 1583 1644 - -
170 1689 1749 1664 1727 1624 1695 1583 1644 - -
185 1546 1657 1537 1649 1523 1634 1509 1621 1495 1599
200 1622 1686 1608 1666 1587 1642 1568 1621 1549 1607
NOTICE:
Evaporator Damage!
The chilled water connections to the evaporator are to
be “victaulic” type connections. Do not attempt to
weld these connections, as the heat generated from
welding can cause microscopic and macroscopic
fractures on the cast iron waterboxes that can lead to
premature failure of the waterbox. To prevent damage
to chilled water components, do not allow evaporator
pressure (maximum working pressure) to exceed 150
psig (10.5 bar).
NOTICE:
Evaporator Damage!
To prevent evaporator damage, pipe strainers must be
installed in the water supplies to protect components
from water born debris. Trane is not responsible for
equipment-only-damage caused by water born debris.
Table 26. Point weights (lbs) - remote units - 60 Hz
Size
(tons)
Isolator Location
12345678910
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