Arneg UCA Manuel D'installation Et De Service page 72

"DOUBLE" HIGH AND LOW PRESSURE SWITCH:
In both cases (single and double pressure switch), the pressure at which the safety pressure switch for HIGH Pressure
should be set is: Pset = 26 bar.
LOW
For calibration of the
CODE: 05050532 Edition 02 15-04-2003
05050532 03 11/02/2010
Use and Maintenance of Condensing Units
pressure follow the indications in the table below:
LOW
PRESSURE
T.N. R-404A ( N.T. )
B.T. R-404A ( L.T. )
HP
DIFF. = 4 bar
STOP =
STOP START
Pressure (Pe) Pressure (Pe)
(Dew point) (Dew point)
bar bar
0,1 0,5
0,1 0,2
Technical Manual
P = 26
bar
set
33