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1) Place the condensing units WM150~650SCU in a
properly ventilated location. If it is not, heat exhausted by
the condensing unit will build up and the cooling system
will not operate properly.
2) Condensing unit shall be elevated to avoid possible
flooding and shaded from direct sun. It shall not be
exposed to temperatures higher than 110 °F or lower than 50 °F.
3)
Leave minimum 5 ft clearance for the exhaust side and leave minimum 1 foot
clearance for the ambient air intake side.
4)
Service valve operations
1 - Process & Manometer
2 – Receiver Discharge or Compressor Suction
3 – Liquid Line or Suction Line
4 - Pressure Control
Back Position
: Normal operation, process and manometer port closed
Front Position
: Liquid/suction line connection closed
Middle Position
: All ports open for evacuation, charge and manometer
BACK POSITION FRONT POSITION MIDDLE POSITION
Fig. 10 ROTALOCK Valve Operation
BACK POSITION FRONT POSITION MIDDLE POSITION
Fig. 11 Base Valve Operation
