5 Commissioning
5.1
Protection against legionnella
(Only for the 500 L model)
WARNING
It is compusory that DHW calorifers with a capacity of more
than 400 litres abide by the Order on "Protection against
legionella" (Other countries: Abide by prevailing
regulations)
Apply one of these 2 instructions:
4
The domestic hot water must at be at a temperature of more than
or equal to 55°C at the appliance outlet at all times.
4
The domestic hot water must be brought up to a minimum
temperature for a minimum duration at least once every 24
hours. See table below:
Minimum temperature maintenance time
(minutes)
Water temperature (°C)
2
more than or equal to 70
4
65
60
60
5.2
Putting the appliance into operation
CAUTION
Initial commissioning must be done by a qualified
professional.
1. Flush the domestic circuit and fill the calorifer through the cold
water inlet tube.
2. Open a hot water tap.
3. Completely fill the domestic hot water calorifer via the cold water
inlet pipe, leaving the hot water valve open.
4. Close the hot water valve when the water flow is regular, without
noise in the pipes.
5. Degas all DHW pipes by repeating steps 2 to 4 for each hot water
tap.
Carefully degas the DHW tank and the distribution network
in order to eliminate noises and hammering caused by
trapped air moving in the pipes during draw-off.
6. Vent the tank exchanger circuit using the bleed valve provided for
this purpose.
5. Commissioning
BL 150...500-2
21
18/11/2015 - 7607674-001-04
