5 Electrical connections
General
The electrical wiring must comply with the local regulations. The air dryer must be
earthed and protected by fuses against short-circuiting. Consult the electric
diagram delivered with the dryer.
Before switching on the main power supply, check the voltage requirements in the
technical specifications or on the dryer’s data plate.
Timer card layout
Below figure shows the terminals of the timer card:
Timer card
• Supply connection (X9)
In most cases, the dryer only needs to be connected to the power supply. If not already
done, the power cable must be connected to terminals X9 as shown below.
Timer card 1900 0713 03 (cubicle 1900 5002 00 and 1900 5002 02) is suitable for supply
voltages 115 V and 230 V.
• For 115 V AC: connect the supply cable to terminals 2 (line) and 5 (neutral) and place a
jumper wire between terminals 2-3 and 4-5:
• X3 (freeze contact - P4)
Instruction book
API093050 21
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