Description
Operating Manual MXPC 303 Z/603 T 21
4.2.3 Material
The vertical beam is made of steel and a powder coating has been applied to all the
edges/corners.
For pump part materials in contact with the medium (see chapter 3.4 Materials).
4.2.4 Motor thermal protection
Do not reset the thermal circuit breaker until the fault has been analysed.
Notify Support if the fuse trips again (see
chapter 8.4 Repairs carried out by the manufacturer).
The device is equipped with a thermal circuit breaker on the motor. This self-hold bimetal switch
disconnects the entire device from the power supply in the event of overheating (see
chapter 2.4 Special hazards).
Reset thermal circuit breaker:
1. Switch off the device
2. Allow the engine to cool down completely
3. Switch on the device
4.2.5 Gas ballast
The device is equipped with a gas ballast valve. When the gas ballast is opened, ambient air is
sucked into the chamber at the last stage.
In vapour applications, the gas ballast is intended to prevent the build-up of condensate in the
pump feed (see chapter 2.3.2 Safe operation).
Open/close gas ballast
Open: the marking on the black valve cap must face the same direction as the hose
connection.
Close: The marking on the black valve cap must be at a right angle to the hose connection.
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