STIEBEL ELTRON WWK 302 H - Installation; 7. Safety; 8. Appliance description; 9. Preparation

ENGLISH
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INSTALLATION
Installation
 Route leads through the strain relief.
 Connect the cables to X3.
Example 1: Power-OFF signal with its own phase
X0
2
L
L
N
N
PE
PE
L
N
PE
GNYE
BU
BK
1
1
2
X3
2
3
3
1
1
2
L1 / L2 / L3
N
EVU
D0000056185
EVU power supply utility
BK black
BU blue
GNYE green/yellow
Example 2: Photovoltaic signal via on-site relay and phase
routed outside the appliance
Note
The relay in the inverter must meet the following re-
quirements:
- Potential-free relay (240VAC / 24VDC, 1A) with
N/O contact
- Adherence to safety regulations and standards for
safety extra low voltage
- The switching output must be programmed so that
the relay contact closes or opens if certain limits are
exceeded or undershot (inverter output level).
If necessary, check with the inverter manufacturer wheth-
er the product meets the stated criteria.
X0
2
L
L
N
N
PE
PE
L
N
PE
GNYE
BU
BK
1
1
2
X3
2
3
3
1
1
2
1
D0000056184
1 Inverter (floating contact)
BK black
BU blue
GNYE green/yellow
The inverter power feed is typically located at a central distribution
point (e.g. in the main fuse box).
10.4 Assembling the appliance
Note
Refit the appliance cover after completing your work. See
chapter "Maintenance and cleaning/ Fitting the appliance
cover").