4. Use the «Up» or «Down» key to set the setpoint for the
ADT controller – SP
.
8 8 p s i 0 8 : 1 5 A M 1 7 6 ° F
Header
5.6 ETM
Menu
·········
Heat recovery
ADT controller SP 180 °F
Active line
Oil cooler
ADT controller ΔT: 47 °F
·········
5. Press the «Enter» key.
The setting is applied accordingly.
Result The airend discharge temperature setpoint for the controller of the electrically-controlled heat re‐
covery valve is set.
8.7.3 Deactivating heat recovery
Compressed air generation efficiency improves when heat recovery is deactivated.
➤ Set heat recovery to "inactive" if the machine's exhaust heat cannot be used.
8.8 Refrigerated dryer
Overview:
■ Setting the operating mode
■ Output messages
■ Procedure following a refrigerated dryer alarm:
─ If the compressed air quality has priority:
Contact an authorized KAESER service representative immediately
■ Procedure following a refrigerated dryer alarm:
─ If the compressed air supply has priority:
Activate fault mode without refrigerated dryer
➤ The above procedures must be observed in accordance with the established priority regarding
compressed air quality or compressed air supply!
8.8.1 Setting the operating mode
For the refrigerated dryer, the operating modes CONTINUOUS or TIMER can be selected.
When TIMER mode is selected, the refrigerated dryer will be shut down via a timer if compressed
air is not required.
With this control mode activated, the operating temperature in the refrigerated dryer will be kept
within narrow limits via a cycling of the refrigeration circuit.
The operating mode CONTINUOUS for system type AIRTOWER cannot be switched to
TIMER due to the positioning of the air receiver and the refrigerated dryer.
8 Initial Start-up
8.8 Refrigerated dryer
No.: 9_9450 13 USE
User Manual Controller
SIGMA CONTROL 2 SCREW FLUID ≥5.1.2
109
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