Water Connections; 5.2.1 Connecting The Tank On The Water Side - Buderus SU54/5 Notice D'installation Et D'entretien

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Installation
▶ Remove the caps from the connections.
A
B
Fig. 10 Remove the caps
▶ Use Teflon tape or Teflon cord to seal the connections. Do not use
hemp to seal the connections.
5.2

Water connections

DANGER: Risk of injury from contaminated water!
Work carried out without due care for cleanliness
contaminates the drinking water.
▶ Install in accordance with national standards and
guidelines.
WARNING: Risk of fire from soldering and brazing!
▶ Take appropriate safety measures when soldering
and brazing as the thermal insulation is flammable.
For example, cover up the thermal insulation.
▶ Check tank jacket for damage after completing work.
NOTICE: Water damage!
▶ Connect the drain to the bottom tank connection prior
to filling the tank.
▶ Seal off all unused tank connections.
10

5.2.1 Connecting the tank on the water side

System example with all recommended valves and shut-offs
( Fig. 11).
▶ When sizing the heating system expansion vessel, take the volume
of the heating coil in the tank into consideration.
▶ Route the connection cables for the tank temperature sensors at the
back of the tank through the insulation to the heating appliance or
controller.
▶ Install piping runs so that natural circulation is prevented.
If necessary, install check valves.
▶ Install connection cables free of stress.
▶ Attach piping to the tank connections on-site.
▶ Check all connections for leaks.
6 720 800 155-22.1ITL
Fig. 11 Installation (illustrative)
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[AW] DHW outlet
[EK] Cold water inlet
[EL] Tank drain
[EZ] Recirculation inlet
[RS] DHW tank return
[VS] DHW tank supply
NOTICE: Risk of corrosion from damage to the enamel
coating!
▶ Attach connections to the DHW tank only "hand-
tight".
AW
Storage tank
Shutoff valve
P&T safety valve (combined with hot water outlet)
Check valve
Tank primary pump
Recirculation pump (optional)
Air eliminator (in main supply)
Drain valve
Expansion vessel
SU54.5 | SU80.5 | SU100.5 – 6 720 819 292 (2017/11)
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6 720 800 138-05.1ITL