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Start-up
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DRYPOINT® RA 3-160
10.2 Initial start-up
Note:
The dryer
must not be started up more than six times an hour
. Wait at least five minutes prior to
every restart.
The user is responsible for the compliance with these provisions. Irreparable damage can be caused by
starting up the device too often.
The method below should be applied during the first start-up, after longer downtimes or subsequent to
maintenance works.
The start-up must be carried out by certified skilled personnel.
Processing sequence (observe Article 5.1 "Control panel")
• Ensure that all steps of the "Installation" chapter have been carried out.
• Ensure that the connection to the compressed-air system is in accordance with the provisions and that the lines are
fixed and supported properly.
•
Ensure that the condensate offtake pipe is fixed in accordance with the provisions and that it is connected with
a collection container or system.
• Ensure that the bypass system (if available) is open and that the dryer is disconnected from the compressed-air
system.
• Ensure that the manual valve of the condensate drain cycle is closed.
• Ensure that the cooling-water flow and the cooling-water temperature are in accordance with the provisions (water-
cooled).
• Remove any packaging material and other items which may block the space around the dryer.
• Establish the mains connection (plug into wall socket).
• Start the dryer by switching on the main switch on the control panel (pos. 1).
• Ensure that the DMC 14 electronics are switched on.
• Ensure that the power consumption complies with the values on the type plate.
• Ensure that the fan functions properly – wait for the first interventions (air-cooled).
• Wait until the dew point remains stable.
• Slowly open the air inlet valve.
• Slowly open the air outlet valve.
• Slowly close the central bypass valve of the system (if available).
• Check the pipes for air leakage.
• Ensure the proper functioning of the condensate drain cycle– wait for the first condensate discharges.
Note:
A dew point between 0°C and +10°C displayed on the DMC 14 control unit is considered to be correct
according to the possible operating conditions (flow rate, air inlet temperature, ambient temperature etc.).
During the operation, the refrigerating compressor runs continuously. The dryer needs to be switched on during the
entire compressed-air usage time, even if the compressed-air compressor is in operation only periodically.
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