5608 975 GB 11/2012 Dispose after installation. Installation instructions for contractors VIESMANN Connection set for DHW circulation pump for Vitodens and Vitoladens Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Note Details identified by the word "Note" con- tain additional information. Installation, initial start-up, inspection, maintenance and repairs must only be carried out by a competent person (heat- ing engineer/installation contractor). Before working on the equipment/heat- ing system, isolate the power supply (e.g. by removing a separate mains fuse or by means of a mains isolator) and safeguard against unauthorised recon- nection. When using gas as fuel, also close the main gas shut-off valve and safeguard against unauthorised reopening. Repairing components which fulfil a safety function can compromise the safe operation of your heating system. For replacements, use only original spare parts supplied or approved by Viessmann. Application information ■ Vitodens 222-F ■ Vitodens 333-F ■ Vitoladens 333-F
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Connection set for DHW circulation pump VIESMANN · 5608 975 GB 11/2012 Dispose after installation. Installation instructions for contractors Connection set for DHW circulation pumpVIESMANN
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5608 975 GB 11/2012 Dispose after installation.
Installation instructionsfor contractors
VIESMANN
Connection set for DHW circulation pumpfor Vitodens and Vitoladens
Safety instructions
Please follow these safety instructions closely to prevent accidents andmaterial losses.
Safety instructions explained
NoteDetails identified by the word "Note" con-tain additional information.
Installation, initial start-up, inspection,maintenance and repairs must only becarried out by a competent person (heat-ing engineer/installation contractor).
Before working on the equipment/heat-ing system, isolate the power supply(e.g. by removing a separate mains fuseor by means of a mains isolator) andsafeguard against unauthorised recon-nection.
When using gas as fuel, also close themain gas shut-off valve and safeguardagainst unauthorised reopening.
Repairing components which fulfil asafety function can compromise the safeoperation of your heating system. For replacements, use only originalspare parts supplied or approved byViessmann.
NoteInstall the shorter of the two twin nipplesA here.
Fitting the connection set
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2.
1.
Fitting the connection set (cont.)
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4.
3.
1.
2.
Fitting the connection set (cont.)
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2.
1.
?3.
A
NoteInstall the longer of the two twin nipplesA here.
Fitting the connection set (cont.)
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Vitodens 222-F, type FR2B
Connect the DHW circulation pump tointernal extension H1 or H2 or to exten-sion AM1 or EA1.
Extension installation instruc-tions
Vitodens 222-F, type FS2B, Vitodens333-F, type FS3B and Vitoladens 333-F, type VP3U
Connect the DHW circulation pump toextension AM1 or EA1.
Extension installation instruc-tions
Vitodens 333-F, type B3TA
Connect the DHW circulation pump toplug sK inside the boiler control unit.
Boiler installation instructions
Making the electrical connections of the DHW circulation pump
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Fitting extension AM1 or EA1
3.
4.
2.
1.
Secure extension AM1 or EA1 to theretainer supplied.
Making the electrical connections of the DHW… (cont.)
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In order for the circulation pump to oper-ate, the lever on the circulation pumpmust be aligned with the direction offlow.
Commissioning
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Adjusting the circulation volume
L1
L 2
A
According to EN 806, the line volume ofthe DHW circulation pipe should be cir-culated three times per hour to preventexcessive cooling.Set the flow rate at flow regulating valveA.Calculating the required circulation vol-ume Vp (volume of the total DHW circu-lation and supply line):