4.5.2 Option K3
Cooling air filter mat
The mat filters the cooling air and keeps the cooler surface clean.
Fig. 9 Cooling air filter mat (option K3)
1 Cooling air filter mat
4.5.3 Option W1/W2/W3
Heat Recovery
Prepared for external heat recovery
Connections are provided and bridged.
An external heat recovery system can be retrofitted at any time.
Internal heat recovery
A plate-type heat exchanger is installed for internal heat recovery.
Fig. 10 Internal heat recovery (option W2/W3)
1 Plate-type heat exchanger
4.5.4 Optional Filter Monitoring Set
Sensors monitor the operational state of the filter. Indication is given as soon as maintenance is
required.
The following filters are monitored:
■ Air filter
■ Oil filter
■ Oil separator cartridge
4 Design and Function
4.5 Options
9_5721 06 USE
Service Manual Screw Compressor
ASD T Tri-Voltage
27
Option W1
Option W2/W3
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