Emptying - Beretta POWER MAX 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 system
- 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 eliminated
- Restore the pressure if necessary
- Switch the pumps off and on again
- Repeat the last three steps until the pressure is stabilised
28
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 working tem-
perature the first time they are started up, in order to facilitate
de-aeration. (Gas is not released from the water at low tem-
peratures).
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 cylinder:
- 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 module's discharge
valve (1).
POWER MAX 50 P DEP - POWER MAX 50 P
1
2
POWER MAX 65 P ÷ POWER MAX 150
1
2