Instruction Manual
DPH 220 - DPH 460
6.2. Starting the unit:
Unit with electric engine without compressor control system:
The motor is switched on manually by pressing the start button. Machine does not be left alone during working. Check continuosly the
right function.
On units without automatic condensate drain, the manual condensate drain valves have to be opened before starting the unit, as soon
as the unit is running the valves can be closed again. Every 8/10 min drain the valves.
Units with electric engine with automatic control system:
This model is delivered with an automatic control system.
Before starting check point 6.1 and then press ON button. Switch off the machine pressing STOP button.
Units with petrol engine:
Open condensate drain valves on the filters to release pressure, so that motor start without load. Set choke to position START. Start
engine with recoil starter or crank handle. As soon as motor runs smoothly return choke to normal operating position.
For all units:
Close condensate drain valves tightly and run unit to final pressure. Check final pressure safety valve and pressure gauge. As soon as
final pressure is reached and final pressure safety valve blows off, open condensate drain valves and drain condensate - unit is ready for
filling operation.
7. FILLING PROCEDURE:
7.1. Connecting the bottles:
WARNING: Filling hoses must be in satisfactory condition and threads undamaged. Pay particular attention to damage on the interface
from hose fitting to hose. If the rubber is scored, hose must be discarded otherwise water can enter and attack wire gauze causing it to
rust.
Normally connectors are allowed for pressures up to 200bar (2.850psi).
Please follow the process below:
- Connect air bottle to filling valve.
- Open filling valve.
- Open bottle valve-bottle will be filled. .
- Switch on the compressor.
- Upon reaching final bottle pressure close bottle valve first, then filling valve by returning handle to closed position.
- Remove compressed air bottle.
- Depressurize unit before opening valve-A to avoid damage to the change - over device.
If it is necessary more pressure of 220bar please ask for the suitable material: safety valves and connectors are
different.
8. MAINTENANCE :
8.1. Maintenance record:
We recommend that all maintenance work is recorded in a service book, showing the date and details of the work carried out. This will
help to avoid expensive repairwork caused by missed maintenance work.
Please fill in the appropriate lines to show what maintenance work has been carried out, and sign and date.
Remember:
1– always shut down and decompress the complete system prior to carrying out any work on the compressor;
2– never repair pressure lines by soldering or welding;
3– only use original spares for maintenance or repair work.
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