Bitzer CM-SW-01 Technical Information

ST-150-442
5.6 Schematic wiring diagrams with CM-SW-01
Abbr
.
Component
B02 Discharge gas / oil temperature sensor
B03..
08
Temperature sensors in motor windings
B10 High pressure switch
B30 Oil level switch (minimum level)
B31 Oil level switch (maximum oil level, com-
pressor option)
B41 Oil filter monitoring
B42 Oil flow switch
B50 High pressure transmitter
B51 Low pressure transmitter
B53 ECO switch-on
B54 Oil pressure transmitter
B60 Overload protective device
B61 Overload protective device for second part
winding
B62 Rotation direction monitoring
B70 Slider position indicator (SPI)
E01 Oil heater
E02 Terminal box cover heater (compressor op-
tion)
F01 Main fuse
F02 Compressor fuse
F03 Control circuit fuse
F04 Fuse of compressor module
F07 Fuse of terminal box cover heater
F08 Fuse of rotation direction monitoring
K01 Superior controller
K04 Auxiliary relay for oil monitoring
K13 Star-delta switching relay
K16 Protective function upon customer request
K18 Auxiliary relay: FI outputs power voltage/rotat-
ing field for motor
K19 Auxiliary relay: safety chain is activated
M01 Compressor motor
M06 Solenoid valve for economiser (ECO, com-
pressor option)
M11 Solenoid valve for capacity regulator CR1, CR
+ or start unloading
M12 Solenoid valve for capacity regulator CR2 or
CR-
M13 Solenoid valve for capacity regulator CR3
Abbr
.
Component
M14 Solenoid valve for capacity regulator CR4
M15 Solenoid valve for slider V
i
+
M16 Solenoid valve for slider V
i
-
M40 Solenoid valve for oil injection (option)
M41 Solenoid valve in the oil return line from sec-
ondary oil separator (option)
M44 Solenoid valve for oil return from flooded
evaporator
P10 Light: collective fault
Q01 Main switch
Q02 Main contactor (Y/Δ) or contactor for first part
winding (PW)
Q03 Delta contactor (Y/Δ) or contactor for second
part winding (PW)
Q04 Star contactor (Y/Δ)
Q05 Control transformer fuse
R05 Auxiliary resistor
S01 Control switch (on-off)
S02 Reset of compressor safety chain and thus of
CM-SW-01
T01 Control transformer (example for 230V, re-
quired according to EN60204-1)
T02 Frequency inverter (FI)
Tab.1: Legend for all schematic wiring diagrams with CM-SW-01

Bitzer CM-SW-01 Specifications

General

Brand	Bitzer
Model	CM-SW-01
Category	Control Unit
Language	English