5
Installation
SU54.5 | SU80.5 | SU100.5 – 6 720 819 292 (2017/11)
10
▶ Remove the caps from the connections.
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
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.
Fig. 11 Installation (illustrative)
[1]
Storage tank
[2]
Shutoff valve
[3]
P&T safety valve (combined with hot water outlet)
[4]
Check valve
[5]
Tank primary pump
[6]
Recirculation pump (optional)
[7]
Air eliminator (in main supply)
[8]
Drain valve
[9]
Expansion vessel
[AW] DHW outlet
[EK] Cold water inlet
[EL] Tank drain
[EZ] Recirculation inlet
[RS] DHW tank return
[VS] DHW tank supply
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.
6 720
8
00 155-22.1ITL
A
B
NOTICE:
Risk of corrosion from damage to the enamel
coating!
▶ Attach connections to the DHW tank only "hand-
tight".
6 720 800 138-05.1ITL
AW
5
