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MKF / MKFT (E5) 06/2020 page 124/176
21.6 Controlled compressed air dryer (option)
This option permits stronger dehumidification and thus the chamber can obtain lower humidity value, see
modified temperature-humidity diagram (chap. 17). Chambers with a compressed air dryer are particularly
suitable for compliance with the common automotive standards.
Requirements for the compressed air supplied to the compressed air dryer:
• Quality of the air: DIN ISO 8573-1:2010 [4:4:3]
No water must enter into the compressed air dryer (danger of destruction)
No oil must enter into the compressed air dryer. Oil is the main cause of damage for the
compressed air dryer and shortens its life span.
• Supply pressure: 6-8 bar domestic connection
If a different connection pressure is required, please contact BINDER INDIVIDUAL Customized Solu-
tions.
• Permissible temperature: +10 °C / 50 °F up to +50 °C / 122 °F.
• Air requirement: 15 m³/h (at normal pressure)
Connection:
The compressed air dryer is supplied ready assembled.
Connection of the compressed air supply is established to the coupling connector (20) in the rear panel:
Standard quick acting closure socket for compressed air, nominal width 7.85 mm / 0.31 in.
Activation:
Operation line “Compr. air dryer” of the controller serves to activate the compressed air dryer.
Then operation line “Compressed air valve” serves to open the solenoid valve of the compressed air con-
nection (20).
To turn on or off the operation lines (control contacts), please refer to chap. 7.3 for fixed value operation,
9.7.3 for time program operation, 10.6.5 for week program operation.
0 = operation line activated, 1 = operation line deactivated.
Note:
Automatic regeneration in a 2-minute interval is required for the function of the compressed air dryer. As
this happens, a small amount of compressed air is suddenly released into the environment, what is asso-
ciated with some noise.
The desiccant cartridges must be replaced after no more than 17,500 operating hours or 2 years. The
filter must be replaced after a maximum of 8,760 hours or 1 year. We recommend an annual maintenance
interval.
An exchange is also necessary when the status display on the rear panel is lit or flashes in yellow. Check
the status display approx. once per month.
Normal operating state
Filter elements and desiccant cartridges must be replaced. Contact BINDER Service
Alarm. Contact BINDER Service
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