Itho Daalderop Mono - Use; Filling and First Use; Legionella Prevention

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.
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 the installation engineer.
Mono
g) Temporarily turn the external timer OFF.
h) The stored water is now being heated.
The LED lights up when the stored water is being heated.
i) Use the thermostat knob to set the desired water temperature.
j) Proceed with the steps starting from checking the safety group.
Mono-plus
k) The stored water is now being heated.
The LED lights up when the stored water is being heated.
l) Use the thermostat knob to set the desired water temperature.
m) Proceed with the steps starting from checking the safety group.
Mono-3
n) The stored water is now being heated.
The LED lights up when the stored water is being heated.
o) Proceed with the steps starting from checking the safety group.
Duo
p) Temporarily turn the external timer OFF.
q) The stored water is now being heated.
The LED lights up when the stored water is being heated.
r) Use the thermostat knob to set the desired water temperature.
s) Proceed to the steps from CHECK SAFETY GROUP.
CHECK SAFETY GROUP
t) 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.
The most frequent complaints on page 24 for more information.
u) When the LED is no longer lit, the water is at the set
temperature.
WATER HEATER RINSE
ä Caution!
The flushing procedure is a strict requirement.
1. Wait until the stored water has reached 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.
6.2. Legionella prevention
Leaving the water heater turned off for more than a week may lead
to the presence of legionella bacteria. After turning on again, the
stored water must be heated to maximum and the hot water pipes
rinsed before use.
1. Switch on the water heater and set the maximum water
temperature.
2. Wait until the stored water has reached maximum temperature
for at least 10 minutes.
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