6. Use
6.1. Filling and first use
ä Caution!
Do not turn on the power to the appliance yet. Only do so when
this is expressly required during commissioning.
FILLING THE WATER HEATER
a) Open the main valve.
b) Open the valve on the safety group.
c) Open all hot water taps.
d) When water comes out of the tap, the water heater is full. Flush
the water heater for 3 minutes.
ä Caution!
Check the system for leaks during filling and initial heating.
e) Shut off the hot water tap.
FIRST USE
f) Turn on power to the water heater. After initial start-up, the
heater goes into STANDBY mode.
If the appliance does not have power, check the fuse at the consumer
unit and replace it if necessary. If replacing the fuse does not solve the
problem, contact Itho Daalderop.
WATER HEATER
g) Change the heater mode to ON.
h) The stored water will now be heated and the HEATING ACTIVE
icon is visible.
The LED indicator is continuously lit blue.
CHECK SAFETY GROUP
i) Check the safety group regularly during heating. There should
be expansion water draining away via the outlet of the safety
group.
ä Warning!
Switch off the power supply immediately if none of the expansion
water drains during heating. Open the hot water tap to relieve
the water pressure.
For more information, see the Faults on page 38 section.
j) When the HEATING ACTIVE icon disappears, the water has
reached the set temperature.
WATER HEATER RINSE
ä Caution!
The flushing procedure is a strict requirement.
1. Wait until the stored water has been at the desired
temperature for at least 10 minutes.
2. Open the hot water tap until cold water runs out.
3. Repeat steps 1 and 2 twice more.
34
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