Technical Assistance Centre; Putting Into Service; Temporary Shutdown; Preparing For Extended Periods Of Disuse - Beretta IDRA N DS 1500 Installation And Operation Manual

15 PUTTING INTO SERVICE

It is essential to perform the following checks before start-
ing up or testing the functioning of the storage cylinder. In
particular, check that:
- The supply cocks in the domestic water circuit are
all open
- The water connections to the boiler and solar collec-
tors have been made correctly
- All the pipes in the water circuit have been insulated
in conformity to relevant standards
- The electrical connections of all accessories have
been made correctly
- The solar collector circuit has been correctly flushed
out and filled with water-glycol mix, and all air has
been bled out of the circuit (see the manual for the
solar collectors)
- Start up the boiler (if installed) as instructed in its own
manual.
- Put the solar collectors into service. See the manuals
for the solar collectors and associated accessories.
Once the system has been started up, perform the follow-
ing checks.
- Make sure that all pumps are free and rotate in the
right direction
- Make sure that all circuits have been bled.
14
- Make sure that the boiler and solar collectors con-
nected to the system shut down correctly when their
mains power switches are turned OFF.
Provided the above checks have been completed satisfac-
torily, restart the system and verify its performance.

16 TEMPORARY SHUTDOWN

If you are going away for a short period of time like a week-
end or a short holiday, etc., and outdoor temperatures are
going to remain above ZERO, proceed as follows.
- Adjust the storage cylinder thermostat to its minimum
setting.
b
If the temperature to which the heater is exposed can
fall below 0°C (frost hazard), perform the operations
described in paragraph "Shutdown for extended pe-
riods".
17 PREPARING FOR EXTENDED
PERIODS OF DISUSE
If the storage cylinder is not going to be used for an extend-
ed period of time, perform the following operations:
- Switch the electricity supply to the storage cylinder's
valve group and to any associated boiler OFF at the
main switch and at the control panel
- Close the shut-off cocks for the domestic hot water
circuit.
b
Drain the central heating circuit and domestic hot wa-
ter circuit if there is any risk of freezing.

Technical Assistance Centre