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15 INPUT DEFINE
15.11 PUMP SILENT MODE
9 TEST RUN AND FINAL CHECKS
The installer is obliged to verify correct operation of unit
after installation.
9.1 Final checks
Before switching on the unit, read following
recommendations:
When
the
complete
necessary settings have been carried out, close all
front panels of the unit and refit the unit cover.
The service panel of the switch box may only
be opened by a licensed electrician for
maintenance purposes.
9.2 Test run operation (manually)
If required, the installer can perform a manual test
run operation
at
any
operation of
air purge,
domestic water heating, refer to 8.4.11 "TEST RUN" .
10 MAINTENANCE AND SERVICE
In order to ensure optimal availability of the unit, a
number of checks and inspection s on the unit and the
field wiring have to be carried out at regular intervals.
This maintenance needs to be carried out by your
local technician.
In order to ensure optimal availability of the unit, a
number of checks and inspection s on the unit and the
field wiring have to be carried out at regular intervals.
This maintenance has to be carried out by your
local technician.
DANGER
ELECTRIC SHOCK
Before carrying out any maintenance
or repairing activity, must switch off the
power supply on the supply panel.
Do not touch any live part for 10 minutes
after the power supply is turned off.
The crank heater of compressor may
operate even in standby.
Please note that some sections of the
electric component box are hot.
Forbid touch any conductive parts.
Forbid rinse the unit. It may cause
electric shock or fire.
Forbid leave the unit unattended
when service panel is removed.
NO
installatio n
and
all
time
to
check
correct
heating,
cooling
and
The following checks must be performed at least
once a year by qualified person.
Water pressure
Check the water pressure, if it is below 1 bar,fill
water to the system.
Water filter
Clean the water filter.
Water pressure relief valve
Check for correct operation of the pressure
relief valve by turning the black knob on the
valve counter-clockWise: If you do not hear a
clacking sound, contact your local dealer.
In case the water keeps running out of the
unit, close both the water inlet and outlet
shut-off valves first and then contact your local
dealer.
Pressure relief valve hose
Check that the pressure relief valve hose is
positioned appropriately to drain the water.
Backup heater vessel insulation cover
Check that the backup heater insulation cover
is fastened tightly around the backup heater
vessel.
Domestic hot
valve (field supply).
Check for correct operation of the pressure
relief valve on the domestic hot water tank.
Unit switch box
Carry out a thorough visual inspection of the
switch box and look for obvious defects such
as loose connections or defective wiring.
Check for correct operation of contactors with
an ohm meter. All contacts of these contactors
must be in open position.
36
water
tank pressure relief
V.2
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