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5

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.

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.

Immersion heater EHE 6 kW
2 kW heating output connection:

4 kW heating output connection: 6 kW heating output connection:

1/N/PE 230 V~

1/N/PE 230 V~

3/PE 400 V~

STB

TR

L1 L2 L3

N

L1

N

PE

R S

U V W

T

B

C

A

D

Note

Remove jumper 

D

 when making this

connection.

 

STB

TR

L1 L2 L3

L1

N

PE

R S

U V W

T

B

C

A

D

N

STB

TR

L1

L2

L3

PE

R S

U V W

T

B

C

A

L1 L2 L3

D

Note

Remove jumper 

D

 when making

this connection.

 

A

On-site fuse/MCB, output-de-
pendent

B

3-pole switch (on-site)

C

Immersion heater EHE

D

Remove jumper (standard deliv-
ery)

A

On-site fuse/MCB, output-de-
pendent

B

3-pole switch (on-site)

C

Immersion heater EHE

D

Jumper (standard delivery)

A

On-site fuses/MCBs, output-de-
pendent

B

3-pole switch (on-site)

C

Immersion heater EHE

D

Remove jumper (standard deliv-
ery)

Installation sequence

Power supply

 (cont.)

5686 109 GB

Installation

 

Summary of Contents for EHE

Page 1: ... and service instructions for contractors VIESMANN Immersion heater EHE 6 kW and 12 kW For installation in DHW cylinders For applicability see the last page Immersion heater EHE 5686 109 GB 1 2016 Please keep safe ...

Page 2: ...VDE and locally applicable standards a ÖNORM EN and ÖVE c SEV SUVA SVTI SWKI and SVGW Working on the system Isolate the system from the power supply e g by removing the separate fuse or by means of a mains isolator and check that it is no longer live Safeguard the system against reconnection Please note Electronic assemblies can be damaged by elec trostatic discharge Prior to commencing work touch...

Page 3: ...duct information Immersion heater EHE Compliant with EN 60335 1 VDE 0700 1 VDE 0700 253 and respective country specific standards e g ÖVE and SEV For heating domestic hot water Note Only use the immersion heater EHE with very soft to medium hard water up to 2 5 mol m3 14 dH Max ambient temperature at the casing 35 C Unheated section approx 130 mm from sealing face For installation in a DHW cylinde...

Page 4: ... to the appliance Connect the power supply and implement all safety measures e g RCD circuit in accord ance with the following regulations IEC 60364 4 41 VDE regulations Technical connection requirements specified by the local power supply utility Danger The absence of component earthing can lead to serious injury from electric current if an electrical fault occurs The appliance and pipework must ...

Page 5: ...ter EHE 6 kW 2 kW heating output connection 4 kW heating output connection 6 kW heating output connection 1 N PE 230 V 1 N PE 230 V 3 PE 400 V STB TR L1 L2 L3 N L1 N PE R S U V W T B C A D Note Remove jumper D when making this connection STB TR L1 L2 L3 L1 N PE R S U V W T B C A D N STB TR L1 L2 L3 PE R S U V W T B C A L1 L2 L3 D Note Remove jumper D when making this connection A On site fuse MCB ...

Page 6: ... fuses MCBs output de pendent B 3 pole switch on site C Immersion heater EHE D Remove jumper standard deliv ery Connecting the earth conductor to the DHW cylinder Danger The absence of component earthing can lead to serious injury from electric current if an electrical fault occurs The appliance and pipework must be connected to the equipotential bonding of the building In line with VDE requiremen...

Page 7: ...7 A B C D Fig 3 A Screw with washer B Lug for earth conductor C Washer D Serrated lock washer Installation sequence Connecting the earth conductor to the DHW cont 5686 109 GB Installation ...

Page 8: ...tem Further information for the user is available in the operating instructions of the heating system Information on users The immersion heater EHE can also be operated by children 8 years and older as well as by individuals with reduced physical sensory or mental faculties or those lacking in experience and knowledge provided such individuals are being supervised or have been instructed in the sa...

Page 9: ... EHE from the power supply and safeguard against reconnection 2 Drain the DHW cylinder DHW cylinder service instructions 3 Remove the immersion heater EHE in reverse order to installation see page 4 4 Descale the heating rods 5 Reinstall the immersion heater EHE see page 4 6 Fill the DHW cylinder DHW cylinder service instructions 7 Check the function of the safety valve DHW cylinder service instru...

Page 10: ...aise the temperature at the sensor to 20 C then reset the high limit safety cut out A Fig 4 1 Isolate the power supply and safeguard against unau thorised reconnection 2 Remove cover with screwdriver 3 Press reset button A 4 Refit the cover The high limit safety cut out may have been triggered due to damage on the immersion heater Therefore do not reset the high limit safety cut out Replace en tir...

Page 11: ...with the following standards EN 60 335 1 EN 61 000 3 3 EN 61 000 3 2 VDE 0700 Part 253 In accordance with the following directives this product is designated with 2006 95 EC 2004 108 EC Allendorf 5 January 2016 Viessmann Werke GmbH Co KG Authorised signatory Manfred Sommer Certificates Declaration of conformity 5686 109 GB Appendix ...

Page 12: ...D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com Applicability Serial No 7571034 7571035 Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com 5686 109 GB Subject to technical modific...

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