User Manual

4 First steps
8
Units / Parameter selection
1. Press
[Set] to confirm or change unit parameter settings
2. Press
[▲] or [▼] to change the units / parameters.
 The settings will be accepted once the last selection has been
made.
Key functions
Description
[▲] or [▼]
Change parameters and select units
[Set]
Confirm units / parameters
Selectable
parameters
Description
°F, °C
Temperature unit
Psi, bar, kPa, MPa
Unit of pressure
Psig or Pabs, Prel
Switch between absolute and relative
pressure display
Pamb
Set current absolute pressure in inches of HG
or bar
/ /
Select measuring mode: heat pump / cooling
/ or Auto
AUTO OFF
Activate or deactivate Automatic power-off.
Instrument switches off after 30 minutes if no
temperature probe is connected and there is
no pressure apart from ambient pressure
T
fac
Activate or deactivate surface temperature
compensation factor, icon is shown on the
display if the function is deactivated
 Settings will be applied following the final selection.
Operating valve stem shutoffs
The digital manifold acts like a conventional two-way manifold with
regard to the refrigerant path: The passages are opened by
opening the valves. The adjacent pressure is measured with valves
closed as well as with them open.
> Open valve: Turn valve positioner counterclockwise.
> Close valve: Turn valve positioner clockwise.