Pfaff 8304-020, Instruction Manual

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Circuit diagrams
Reference list for the circuit diagrams
A1 Temperature control device
B1 Temperature sensor
E1 Air heater
E2 Machine lamp
F1 Leakage current circuit breaker
F5 Pressure monitor
H1 Fault signal B1 broken sensor or temperature > 600º C
K1-K3 Pre-selection of operating modes
K4 Restart inhibitor after voltage loss with activated S3
K5 Roller drive start delay
K6, K7 Roller drive M1 preparation for forwards motion
K8, 1K8 Roller drive M1 preparation for reverse motion
K9 Delay between forwards OFF and reverse ON
K10, K11 Roller drive M1 reverse ON
K12 Roller drive M1 reverse OFF
K13, K14 Cut-off by broken sensor or excess temperature fault signal H1
K15 Start lock
K17 Heating current power switch
K22 Tape feed motion operating delay
K23 Tape feed motion motor OFF
M1 Roller drive motor
M2 Extraction device motor (optional)
S1 Mains switch
S2 Pre-selection operating mode
S3 Foot switch
S4 Drive roller raised
X1 Mains plug
Y1 Pneumatics main valve
Y2 Roller lowered – low pressure
Y3 Ventilation off
Y4 Roller lowered – high pressure
Y5 Engage air heater
Y6 Tape knife on
Y7 Tape feed roller off
Z1 Network filter