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INSTALLATION
Electrical connection
10.5 Venting the appliance
1
3
1 Air vent valve
2 Vent hose
3 Hose attachment
Detach the vent hose from the hose attachment.
Hang the free end of the vent hose in a container.
To ventilate, open the air vent valve.
After ventilation, close the air vent valve.
Secure the vent hose.
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 1/8˝ (3 mm) contact sepa-
ration. This requirement can be met by using contactors,
circuit breakers, fuses/MCBs, etc.
Material losses
!
Provide separate circuit breakers for the two power cir-
cuits of the appliance and the control unit.
Material losses
!
Observe the type plate. The specified voltage must match
the mains power supply.
Note
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").
www.stiebel-eltron-usa.com
2
Route all power cables and sensor leads into the appliance
through the cable entry.
Connect the power cables and sensor leads as detailed
below.
Install cables with the following cross-sections in accordance with
the respective fuse protection:
Circuit
Assignment
breaker
15 A
Control unit
11.1 Control voltage
1
2
1
1
2
Terminal
Control voltage
XD03.1
Power supply
L1, L2, GND
Cable cross-section
14 AWG (1.5 mm²)
HSBC 300 Integral |
15
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