Heatrae Sadia FBM 25 ECO 3KW, Инструкция по установке, эксплуатации и обслуживанию, Страница: 18 / 40

18
7. Commissioning
7.1 General
After the initial installation is complete instigate the
following commission process.
7.2 Checklist before commissioning
`
Turn the water supply back on and then the installed
water inlet isolation valve.
`
Perform a pipe work flush
`
Check the inlet water connections for leaks and
rectify as necessary.
`
Check all other pipe work is installed correctly, see
section 6.3, page 16.
`
Turn the hot outlet isolation valve on.
`
Open a hot tap at the point of use
`
Check all wiring is correct and connections are
secure in the terminals.
`
Check that all pipe work has been earth bonded.
`
Ensure the power supply to the water heater is
switched on at source.
WARNING
The water heater cannot be filled with
water without power applied, therefore it
is essential that the following checklist is
completed.
7.3 Commissioning procedure
`
Switch on the power to the water heater at the
fused spur
`
Ensure the water heater has powered up by
looking at the display, a temperature value will be
displayed in the LCD window and the red "Power
On" light will be lit.
`
After approximately 10 seconds the heater will
switch the solenoid valve on and allow water to
flow into the heater. If this does not happen refer to
section 10, page 26, Troubleshooting.
`
Check all pipe work and the water heater for leaks
during the water fill process.
`
Close the hot water tap once water starts flowing.
`
Once water has reached the correct level in the
tank, the solenoid will automatically switch off.
WARNING
If during the following commissioning
process an error is indicated on the display
then refer to the troubleshooting section for
analysis, section 10, page 26.
`
The water heater will now turn on the immersion
heater automatically. See section 3, page 6
Technical Specification for the heat up time.

During this initial commission cycle only, the water
heater will raise the temperature automatically to 60
o
C,
this will pasteurize the water heater.
`
During the fill cycle and the water heat up cycle,
check that no error code has been displayed, if no
error code is displayed then the water heater is
now ready for use.
`
To set the desired set point temperature refer to
section 8, page 20.
WARNING
If this does not happen and the water
heater continues to fill and water is seen in
the Tundish, turn off the water supply and
the electrical power immediately, refer to
section 10, troubleshoot page 26.