Bitzer CT-120-2 Traduction De La Notice D'origine page 77

Abbr Component
T1 Control transformer (example for 230 V, re-
quired according to EN60204-1)
U Interference suppressor: varistor or RC ele-
ment integrated into the solenoid valve plug if
required
Y1 Solenoid valve "capacity regulator" ➀
Y2 Solenoid valve "capacity regulator" ➀
Y3 Solenoid valve "capacity regulator" ➀
Y4 Solenoid valve "capacity regulator" ➀
Y5 Solenoid valve "liquid line"
Y6 Solenoid valve "ECO"
Y7 Solenoid valve "LI"
Y8 Solenoid valve "additional oil injection"
Y9 Solenoid valve "oil cooler line"
Tab. 2: Legend schematic wiring diagrams for CS.65 .. CS.95 compressors
① Pulsing time approx. 0.5 s .. max. 1 s, depending on the system characteristics.
② Included in the basic sensor kit.
③ Included in the full sensor kit or completion sensor kit.
Technical documents for further information:
• SB-170 : Operating instructions Semi-hermetic compact screw compressors CS.65 .. 105
• CT-110 : Technical information Protection and monitoring device SE-i1
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