Venting The Appliance; Electrical Connection - STIEBEL ELTRON HSBC 300 cool (GB) (WPM) Operation And Installation Manual

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Electrical connection

10.4.3 DHW cylinder filling
Material losses
!
Some fluxes used to solder pipes and fittings need to be
flushed out with hot water.
f Heat the cylinder to its normal operating tempera-
ture and flush all pipe work with hot water to ensure
all flux and debris is removed from the system.
f Fill the DHW cylinder via the the drain valve in compliance
with the UK Water Supply (Water Fittings) Regulations 1999,
Section 8 G24.
f Open all downstream draw-off valves until the appliance is
full and the pipework is free of air.
f Adjust the flow rate. For this, observe the maximum permis-
sible flow rate with a fully opened tap (see chapter "Specifi-
cation / Data table"). If necessary reduce the flow rate at the
butterfly valve of the safety assembly.
f Carry out a tightness check.
f Check the safety valve.

10.5 Venting the appliance

1
3
1 Air vent valve
2 Vent hose
3 Hose attachment
f Detach the vent hose from the hose attachment.
f Hang the free end of the vent hose in a container.
f To ventilate, open the air vent valve.
f After ventilation, close the air vent valve.
f Secure the vent hose.
16 | HSBC 300 cool
11. Electrical connection
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with relevant regulations.
Before any work on the appliance, disconnect all poles
from the power supply.
WARNING Electrocution
The connection to the power supply must be in the form
of a permanent connection. Ensure the appliance can be
separated from the power supply by an isolator that dis-
connects all poles with at least 3 mm contact separation.
This requirement can be met by using contactors, circuit
breakers, fuses/MCBs, etc.
Material losses
!
Provide separate fuses for the two power circuits of the
appliance and the control unit.
Material losses
!
Observe the type plate. The specified voltage must match
the mains power supply.
Note
2
Leakage currents of up to 5 mA may occur.
The terminal box of the appliance is located behind the front casing
(see chapter "Preparations / Transport and handling / Removing/
fitting the front casing").
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