9-12 Schematic Circuit Tracings Electrical, Refrigeration and µP-D Menu Flow Diagrams
CSR-20 & CSR-40, September 1999
1
Typical model shown with three evaporator fans.
2
When the water pressure switch opens on units with an optional water-cooled condenser-receiver tank, the con-
denser fan does not operate. When water pressure is disconnected from the condenser-receiver tank, condenser fan
operation resumes. Standard units have a jumper wire installed in the water pressure switch harness.
Cool Mode
1
— Chill Load (Setpoint at -9.9 C [14.1 F] or Above); Water-Cooled Condenser Operation
2
; Power
Monitor Limiting Unit Power Consumption; Economy Mode OFF
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