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General GMK-05-MB User Manual page 5

M-bus calorimeter

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4. MOUNTING
Calorimeter should be mounted horizontally clockwise rotation.
Flow direction of water and arrow mark on the calorimeter should be mounted in the same direction.
There are 2 sensors on the calorimeter.
Red label sensor is used for measuring the temperature of hot water (inlet water),
Blue label sensor is used for measuring the temperature of cold water (return water).
Sensor measuring the temperature of cold water should be mounted on the calorimeter (factory setting).
Sensor measuring the temperature of hot water should be mounted on the side of hot water ow.
In order that the calorimeter can communicate with M-BUS protocol, all calorimeters are connected to only one
2
cable in paralel with 2x0,5 mm cable.
There is not polarity in the cable system.
CRITICAL ALARM!
Slit trap is suggested in the installments where GMC-05-MB calorimeter is
used. The device becomes out of warranty in the errors which occurs when slit
trap is not used!

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