System Manager; Putting Into Service - Beretta POWER MAX 50 P DEP Installation And Operation Manual

4

SYSTEM MANAGER

4 1 Putting into service

b
The appliance must be maintained and adjusted at
least once a year by Technical Assistance Centre or
by professionally qualified staff in compliance with all
applicable National and Local provisions.
b
Incorrect maintenance or adjustment may damage
the appliance and cause damage to people or create
a hazard.
b
The system manager is forbidden from opening and
removing the appliance's casing. These activities
must be carried out only by Technical Assistance
Centre or by professionally qualified personnel.
The thermal module POWER MAX
sioned by Technical Assistance Centre
step the appliance may operate automatically.
However, the system manager may be required to restart
the appliance independently, without involving Technical
Assistance Centre; for example after a long period of ab-
sence.
To do so, perform the following checks and operations:
- Check that the gas cock and heating water cock are
open
54
- While the system is still cold, check that working
pressure in the central heating circuit is over 1 bar
but below the maximum limit specified for the boiler
must be commis-
B
, after which
B
- Adjust the room thermostats for the high and low tem-
perature zones to the required temperature (~20°C)
or, if the systems are equipped with timer thermostats
or a time programming unit, make sure it is on and
adjusted (~20°C)
- Switch the system's master switch to the ON position
and the thermal module's master switch to ( I ).
The appliance will go through the switch-on stage and, af-
ter starting, it will continue to operate until set temperatures
are achieved.
The burner will then switch off and on automatically to main-
tain the set temperature without further operator action.
In the event of ignition or operation faults, the display will
show a numeric error code that will enable the user to in-
terpret the possible cause as detailed in Paragraph "Error
List".
b
In the event of a permanent error, to reset starting
conditions press the "RESET" key and wait for the
thermal module to restart.
Repeat this operation 2-3 times at the most. If the problem
persists after that, call
B
tre.
System manager
's Technical Assistance Cen-