IVT Optima 600-1700 - Wiring Diagram Optima 1400-1700

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Connecting to the power supply
Wiring diagram Optima 1400-1700
B1: Phase sequence monitor E3: Crankcase heating E4: Any heating cable F1: Miniature circuit breakers G3: Fan K1: Contactor compressor M1: Compressor MB2: Motor cut-out compressor Q3: Four-way valve R1: Soft starter S1: Termination switch HP: High pressure switch LP: Low pressure switch T6: Compressor hot gas T8: Heat transfer ß uid out T9: Heat transfer ß uid in T10: Condenser T11: Evaporator temperature T12: Air intake
U1: Brown U2: Red V1: Blue V2: Grey W1: Black W2: Orange L1: Black L2: Brown L3: Grey PE: Yellow green
Diagram fan motor M2
High speed Optima 1300 Low speed Optima 1000
To Control cabinet
S1 must be in "Term" position on the Þ rst and last circuit board in the CANbus loop.
1) Strap