6 Using the manifold
15
The measuring instrument dropping down or any other comparable
mechanical load can cause breakage of the pipe pieces in the
refrigerant hoses. The valve actuators may also suffer damage,
which in turn could result in further damage inside the measuring
instrument, which may not be detectable from outside.
> For your own safety you should return the measuring
instrument to the Testo Service for technical inspection.
> You should therefore always replace the refrigerant hoses with
new ones after the measuring instrument has dropped down or
after any comparable mechanical loading.
Setting the refrigerant
1. Press [R, ►, ■].
- This opens the refrigerant menu and the currently selected
refrigerant flashes.
2. Setting the refrigerant:
Key functions
or
Changing the refrigerant
[R, ►, ■] Confirm the setting and exit the refrigerant
Available refrigerants
R... Refrigerant number of refrigerant acc. to
ISO 817
no refrigerant selected.
Example: Setting refrigerant R401B
1. Press [▲] or [▼] several times, until R401B flashes.
2. Press [R, ►, ■] to confirm the setting.
Quitting the refrigerant selection
> Press [R, ►, ■] or automatically after 30 s, if no other key has
been pressed.
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