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Viessmann Cylinder demand terminal box Installation Instructions For Contractors

For the vitodens 100-w

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Installation instructions

for contractors

Cylinder demand terminal box

for the Vitodens 100-W

Please follow these safety instructions closely to prevent accidents and

material losses.

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.

Function

The heat demand issued by the cylinder

thermostat is transferred via the terminal

box to the boiler control unit.

5366 018 GB

4/2012

VIESMANN

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.

Dispose after installation.

Page 1: Installation Instructions
VIESMANN Installation instructions for contractors Cylinder demand terminal box for the Vitodens 100-W Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Installation, initial start-up, inspection, maintenance and repairs must only be When using gas as fuel, also close the...
Page 2 Fitting the terminal box 1. Secure the mounting bracket to the 3. Push the casing onto the wall mount- wall. ing bracket. 2. On the back of the casing, break off 4. Bend the tabs into the wall mounting the knock-out sections with pliers. bracket.
Page 3 Electrical connections A Terminals in the control unit F Room thermostat (clock thermo- B Cylinder demand terminal box stat) G Terminal box (on site) C Cylinder thermostat H Power supply 230 V, 50 Hz D High limit safety cut-out E Valve 1.
Page 4 (cont.) 4. Connect the cable from terminal box B to plugs % of the cable harness inside the boiler. Boiler installation instructions Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB...