67InRoom Precision AC Tech Data Manual
Piping Connections
Downflow Chilled Water Cooling Units
Note: The 70 mm (2 3/4 in) pipe size on models CPW1100 and CPW1500 is decreased after the
screw connection to 64 mm (2 1/2 in) diameter for the external pipe connection.
PCW400
View from the bottom of the unit.
* Dimensions are in mm (in).
Model PCW400 PCW660 PCW900 PCW1100 PCW1500
In/Out
Pipe Size
35 mm
(1 3/8 in)
42 mm
(1 5/8 in)
54 mm
(2 1/8 in)
70 mm
(2 3/4 in)
70 mm
(2 3/4 in)
Item Description
Water outlet, 35 mm (1 3/8 in) ID
Water inlet, 35 mm (1 3/8 in) ID
Condensate drain, 25 mm (1 in) NPT
Rear of unit
Humidifier inlet, 6 mm (1/4 in) compression
fitting
Control wire inlet, 10 mm (0.375 in) pilot hole
Power wire inlet, 10 mm (0.375 in) pilot hole
866 (34.1)
76 (3)
155 (6.1)
73 (2.9)
960 (37.8
)
142 (5.6)
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