Commissioning; Protection Against Legionella (500 Litres Only); Commissioning The Appliance - DeDietrich BPB 150 Installation, User And Service Manual

7

Commissioning

7.1

Protection against Legionella (500 litres only)

7.2

Commissioning the appliance

300027336 - v06 - 13062019
Warning
For domestic hot water tanks with a capacity of more than 400
litres: must comply with the Order titled "Protection against
legionella"
France: Order of 30 November 2005
Germany: TrinkwV 2011 - Order of 01 November 2011 on water
quality
Other countries: Observe current regulations
Apply one of the two settings below:
The domestic hot water at the appliance outlet must be at a temperature
of 55 °C or above at all times.
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:
Tab.5
Minimum temperature maintenance
time (minutes)
2
4
60
Caution
Initial commissioning must be performed by a qualified
professional.
1. Flush the domestic water circuit and fill the tank through the cold
water inlet pipe.
2. Open a hot water tap.
3. Completely fill the domestic hot water tank via the cold water inlet
pipe, leaving the hot water tap open.
4. Close the hot water tap when the water flow is regular, without any
noises in the pipes.
5. Carefully vent all of the domestic hot water pipes by repeating steps 2
to 4 for each hot water tap.
Important
Carefully degas the domestic hot water 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 DHW tank exchanger circuit using the air vent provided for
this purpose.
7. Check the safety components (particularly the safety valve or safety
unit), referring to the instructions provided with those components.
Caution
During the heating process, a certain amount of water may
escape via the safety valve or unit because of the expansion of
the water. This phenomenon is perfectly normal and no steps
should be taken to prevent it.
7 Commissioning
Water temperature (°C)
70 or above
65
60
BPB 150...501 19