6.9 Safety devices installed by the user
➤ The user must install the necessary safety devices.
■ Three PTC thermistor sensors should be installed by the user to protect against drive mo‐
tor overheating or overloading.
■ A motor overload protection switch/overload relay (if not included with the deliverables)
must be installed to monitor maximum current draw(s).
■ EMERGENCY OFF command device for immediate shut-down of the machine.
➤ The user must monitor the following parameters:
■ Permissible final pressure
■ Maximum block discharge temperature
➤ Consult KAESER for advice on this subject.
Safety valves and check valves are not regulating means in case of overpressure.
The activation of the safety relief valve (blow-off valve) constitutes an impermissible operating
state requiring immediate remedial measures.
6.10 Options
All options, with the exception of G1 and H12, are mechanically installed. The electrical connec‐
tions and evaluations are the customer's responsibility.
➤ Instructions on individual options should be followed.
6.10.1 Option C5
Connecting the oil level monitor
➤ Connecting the oil level monitor.
Further information See electrical diagram in chapter 13.6.1.
6.10.2 Option C9
Connecting the pressure switch
➤ Connecting the pressure switch
Further information See chapter 13.6.2.
6.10.3 Option C10
Connecting the speed monitor
The sensor and transmitter are mechanically installed.
➤ A speed monitor sensor is supplied separately when ordered individually. Install in the user's
control cabinet and wire up.
Further information See chapter 2.14.3 for the sensor settings.
The wiring diagram for the speed monitor is found in chapter 13.6.3.
6
Installation
6.9
Safety devices installed by the user
Number: 9_9572 28 USE
Installation and Operating Manual Rotary lobe blower
HBPI pr
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