KNF N920 AP.18, Руководство по эксплуатации

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Diaphragm Vacuum Pumps N 920__.18 and N 920 KT.29.18G Technical Data
Translation of original Operating Instructions, English, KNF 121416-121419 07/18 7
4. Technical Data
Pump materials
N 920 AP.18
N 920 AP.29.18
Component Pump material
Pump head Aluminum
Diaphragm EPDM
Valve EPDM
Tab. 2
N 920 KT.29.18G
Component Pump material
Pump head PPS
Diaphragm PTFE-coated
Valve EPDM
Gas ballast valve PVDF
Tab. 3
Refer to the ty
pe plate for the pump’s electrical configuration.
The pump is supplied by a universal power supply with inte-
grated overload protection. It is protected against overheating
by a temperature sensor on the motor board and equipped with
overcurrent protection.
If one of these safety functions is triggered, the pump will be
shut down and must be manually reset, as follows:

Separate pump from electrical power supply.

Remove the cause(s) of the fault before restarting.