Installation Sequence - Viessmann EHE Installation And Service Instructions For Contractors

Power supply
(cont.)
3. Feed cable H05V2V2-F through the cable fitting
and make the electrical connection.
The immersion heater EHE can be operated at 3
output stages.
The output is determined by the type of connection.
Make the mains connection for the immersion
heater EHE as 6 kW and 12 kW respectively, as
detailed in the tables below.
4. Apply strain relief to the cable.
Immersion heater EHE 6 kW
2 kW heating output connection:
1/N/PE 230 V~
L1
N
PE
A
B
D
C
L1 L2 L3
R S T
STB
TR
U V W
Note
Remove jumper when making this
D
connection.
On-site fuse/MCB, output-de-
A
pendent
3-pole switch (on-site)
B
Immersion heater EHE
C
Remove jumper (standard deliv-
D
ery)
4 kW heating output connection:
1/N/PE 230 V~
L1
N
PE
A
B
D
C
N L1 L2 L3
R S
STB
TR
U V W
On-site fuse/MCB, output-de-
A
pendent
3-pole switch (on-site)
B
Immersion heater EHE
C
Jumper (standard delivery)
D
5. Danger
An electrical fault causing serious injury may
result if the casing is not securely sealed.
Only use the washers, screws and casing
seal supplied. Never move or damage the
casing seal when closing the casing.
Close the casing.
6 kW heating output connection:
3/PE 400 V~
L1
L2
L3
PE
B
N
C
T
STB
TR
Note
Remove jumper
this connection.
On-site fuses/MCBs, output-de-
A
pendent
3-pole switch (on-site)
B
Immersion heater EHE
C
Remove jumper (standard deliv-
D
ery)

Installation sequence

A
D
L1 L2 L3
R S T
U V W
when making
D
5