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Preparation for measurement
6.3
Hose connections
Fig. 21: Wöhler refrigerant hoses
6.4
Select refrigerant
Arrow keys
44
ATTENTION!
Before each measurement, check that the refriger-
ant hoses are intact. Do not use any tools to con-
nect the hoses. Screw the hoses only hand-tight.
Close the valves on the meter with the aid of
•
the rotary knobs, cf. Fig. 1, part 5.
Connect the blue refrigerant hose to the low
•
pressure side, the red refrigerant hose to the
high pressure side and the yellow service hose
to the centre connection.
Press the arrow keys to select the refrigerant of
•
the system to be tested.
NOTE!
The refrigerant can only be selected in the satura-
tion temperature submenu, which appears immedi-
ately after switching on.
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