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16 PUTTING INTO SERVICE
It is essential to perform the following checks before star-
ting 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 fol-
lowing checks.
- Make sure that all pumps are free and rotate in the
right direction
- Make sure that all circuits have been bled.
16
- 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.
17 TEMPORARY SHUTDOWN
If you are going away for a short period of time like a we-
ekend 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 outdoor temperature may drop below ZERO (risk
of freezing) perform the operations described in the
"Preparing for extended periods of disuse" section.
18 PREPARING FOR EXTENDED
PERIODS OF DISUSE
If the storage cylinder is not going to be used for an exten-
ded 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.
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