Product Manual PM WSC/WDC 29
Physical Data and Weights
Condenser
With positive pressure systems, the pressure variance with temperature is always predictable, and the vessel
design and relief protection are based upon pure refrigerant characteristics. HCFC-123 systems are not ASME
designed, inspected and stamped. HFC-134a requires ASME vessel design, inspection and testing and uses
spring-loaded pressure relief valves. Negative pressure units use rupture disks. When an over pressure
condition occurs the rupture disk is permanently destroyed. Spring-loaded relief valves purge only that
refrigerant required to reduce system pressure to a safe level and then close.
Refrigerant side design pressure is 200 psi (1380 kPa), water side design is 150 psi (1034 kPa).
Pumpdown
To facilitate non-routine compressor service, all McQuay centrifugal chillers are designed to permit pumpdown
and isolation of the entire refrigerant charge in the unit’s condenser. Dual compressor units and single
compressor units equipped with the optional suction shutoff valve can also be pumped down into the
evaporator. No separate pumpout receiver is required.
Condenser Physical Data
Condenser Code WSC WDC
Pumpdown
Capacity lb (kg)
Water
Capacity gal (L)
Vessel Weight
lb (kg)
C1609 X 468 (213) 33 (125) 1645 (746)
C1612 X 677 (307) 33 (123) 1753 (795)
C1612 X 631 (286) 40 (152) 1897 (860)
C1809 X 597 (271) 43 (162) 1887 (856)
C1812 X 845 (384) 44 (166) 2050 (930)
C1812 X 806 (366) 52 (196) 2201 (998)
C1816 X 1081 (490) 66 (250) 2726 (1236)
C2009 X 728 (330) 47 (147) 1896 (860)
C2012 X 971 (440) 62 (236) 2528 (1147)
C2209 X 822 (372) 73 (278) 2596 (1169)
C2212 X 1183 (537) 76 (290) 2838 (1287)
C2212 X 1110 (504) 89 (337) 3075 (1395)
C2216 X 1489 (676) 114 (430) 3861 (1751)
C2416 X 1760 (799) 143 (540) 4647 (2188)
C2609 X 1242 (563) 83 (314) 2737 (1245)
C2612 X 1656 (751) 111 (419) 3650 (1660)
C2616 X 2083 (945) 159 (603) 5346 (2425)
C3009 X 1611 (731) 108 (409) 3775 (2537)
C3012 X 2148 (975) 144 (545) 5033 (3383)
C3016 X 2789 (1265) 207 (782) 6752 (3063)
C3612 X 2963 (1344) 234 (884) 7095 (3219)
C3616 X 3703 (1725) 331 (1251) 9575 (4343)
C4212 X 3796 (1722) 344 (1302) 9984 (4529)
C4216 X 5010 (2273) 475 (1797) 12662 (5743)
C4220 X 5499 (2494) 634 (2401) 17164 (7785)
C4224 X 6630 (3007) 745 (2821) 20225 (9174)
C4812 X 4912 (2228) 488 (1848) 12843 (5826)
C4816 X 5581 (2532) 717 (2715) 18807 (8530)
C4820 X 7034 (3191) 862 (3265) 23106 (10481)
C4824 X 8488 (3850) 1008 (3814) 27239 (12355)
Notes:
1. Condenser pumpdown capacity based on 90% full at 90°F.
2. Water capacity based on standard configuration and standard heads and may be less with lower tube counts.
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