9-20
Schematic Circuit Tracings
Electrical, Refrigeration and
µ
P-D Menu Flow Diagrams
CRR-20 & CRR-40, September 1999
1
Typical model shown with three evaporator fans.
2
Condenser fan will stop if condenser head pressure decreases to 1100 +/- 50 kPa, 11.00 +/- 0.5 bar, 160 +/- 7 psig.
3
Evaporator fans operate on low speed when Economy Mode is set to ON in the Program menu of the
µ
P-D controller
and the container temperature is In-range.
Modulation Mode
1
— Chill Load (Setpoint at -9.9 C [14.1 F] or Above); Condenser Fan OFF
2
; Economy Mode
ON
3
; Temperature In-range
Summary of Contents for CRR-20
Page 4: ......
