Coaire CNCM10 Installatie- en bedieningshandleiding - Pagina 7
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Pagina afdrukken2.4 CONNECTION TO THE COMPRESSED AIR SYSTEM
Operations to be performed by qualified personnel only. Never work on compressed air piping under pressure.
The user is responsible to ensure that the dryer will never be operated with pressure exceeding the maximum
pressure rating on the unit data tag. Over pressurizing the dryer could be dangerous for both the operator and the
machine
.
The air temperature and the scfm entering the dryer must comply with the limits reported on the data nameplate. The
system connecting piping must be kept free from dust, rust, chips and other impurities, and must be consistent with
the flow-rate of the dryer.
In order to perform maintenance operations, it recommended that by-pass piping be installed, as shown in illustration
1.1.
DRYER
INLET
DRYER
OUTLET
Particular measures have been taken to reduce the amount of vibration that could occur during the operation.
Therefore, we recommend the use of connecting pipes that are able to insulate the vibration. (Flexible hoses,
vibration damping fittings, etc.)
Qualified personnel should carry out connections to the main power. Be sure to check the local codes in
your area.
Before connecting the unit to the electrical supply, verify the data nameplate for the proper electrical information.
Voltage tolerance is +/- 5%.
115/1/60 dryers are supplied with a standard North American power cord and plug assembly (two poles and a
ground.
230/1/60 dryers are supplied with a standard North American power cord and plug assembly (two poles and a
ground. Be sure to provide the proper fuses or breakers based on the data tag information located on the back of the
unit. The main power receptacle must be protected with a thermal overload relay (I∆n+0.03A), rated to the power
consumption of the dryer (refer to data nameplate for nominal values). The power supply cord must meet or exceed
ratings for the total amp draw of the unit.
Connect to a properly grounded outlet. Improper connection of the equipment-grounding conductor can result in risk
of electric shock. Do not use adapters on the plug receptacle- if it will fit the outlet, have a proper outlet installed by a
qualified electrician.
Discharge is at system pressure. Drain line should be secured.
Never point the condensate drain line towards anybody.
The dryer comes with a flexible plastic drain tube (1/4"in diameter and 60in long) for the connection to suitable drain.
Removal of the condensate occurs through a solenoid valve protected with a mechanical filter. In order to avoid
clogging of the solenoid valve, the condensate from the cyclone separator is previously filtered, than discharged. An
adjustable electronic timer operates the solenoid valve coil.
The drain cannot be connected to pressurized systems.
Condensate may contain oil. Comply with applicable laws concerning disposal.
A water-oil separator should be installed before the air inlet to the dryer for the purpose of removing
condensate drainage coming from compressors, dryers, tanks, filters, etc.
FROM
COMPRESSOR
TO POINT
OF USE
Illustration 1.1
2.5 Electrical Connections
2.6 CONDENSATE DRAIN
6