Westinghouse WPAXH-060CA4 Service Manual page 93

WESTINGHOUSE PACKAGE A/C MANUAL
Overhead air
0.6m
Clearance¡ Ý 1 .55m
For: 5 ton
15.3 Rooftop -- unit
For roof top applications using a field fabricated frame and ducts, according to the following procedure:
1) The frame must be located and secured by bolting or welding to the roof. Flashing is required.
2) The hole in the roof must be prepared in advance of installing the unit.
3) Secure the ducts to the roof.
4) Place the unit on the frame or roof curb.
5) Secure the unit to the frame or roof curb.
6) Insulate any ductwork outside of the structure with at least two (2) inches of insulation and then
weatherproof. There must be a weatherproof seal where the duct enters the structure.
7) Complete the installation according to the instructions.
Typical rooftop application with frame:
92
Overhead air
1m
Clearance¡ Ý 3 m
0.3m
For: 7.5 ton and above
R-410A : 220V: 60Hz
1m