Emptying - Beretta POWER MAX 50 P DEP Installation And Operation Manual

POWER MAX 65 P ÷ POWER MAX 150
1
- Unscrew the vent valve's release cap
- Open the shut-off cocks in order to slowly fill the sys-
tem
- Use the pressure gauge to check that the pressure is
rising and the water is exiting through the vent valves
- Close the shut-off cocks after the pressure reaches
1.5 bar
- Start the system pumps and the thermal module's
pump as shown in Paragraph "Commissioning and
maintenance"
- During this stage, check that the air is correctly elim-
inated
- Restore the pressure if necessary
- Switch the pumps off and on again
- Repeat the last three steps until the pressure is sta-
bilised
26
b
The system must be filled up slowly the first time;
once it is filled and the air expelled it should never
need to be topped up again.
b
Systems should also be operated at maximum work-
ing temperature the first time they are started up, in
order to facilitate de-aeration. (Gas is not released
from the water at low temperatures).
b
An automatic spurge can be performed during the
first ignition. The parameter that set the cycle is Par.
2139. See parameter table for more information.

2 12 2 Emptying

Before starting to empty the appliance and the storage cyl-
inder:
- Switch the system's master switch to the OFF position
and the thermal module's master switch to ( 0 ).
- Close the water supply shut-off cocks;
- In order to empty the appliance, fit a rubber hose (2)
(inner diameter int. Ø = 12 mm) to the thermal mod-
ule's discharge valve (1).
POWER MAX 50 P DEP - POWER MAX 50 P
1
2
POWER MAX 65 P ÷ POWER MAX 150
1
2