Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety regulations When using gas as fuel, also close Installation, initial start-up, inspection, the main shut-off valve and safeguard maintenance and repairs must only against unauthorised re-opening. be carried out by a competent person (heating engineer/installation Work on gas equipment...
Boiler section assembly Please note: All parts required for the boiler assembly are contained in the boiler accessory pack. The boiler body consists of a rear section with fitted flue outlet, a front section with fitted boiler door and a number of centre sections, subject to rated output.
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Boiler section assembly (cont.) A Not for the rear section ¨ Safety instruction Provide adequate ventilation when For all sections: handling the adhesive. B Clean the hub sealing faces with solvent. C Apply the enclosed adhesive and allow to dry for approx. 5 min.
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Boiler section assembly (cont.) For all sections: A Clean the nipples with solvent and apply the enclosed anti-seize agent.
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Boiler section assembly (cont.) Please note: During the compression process, draw in only one additional section at the time to prevent leaks at the hub joints. Please note: Maintain the same distance between the individual sections at the top and bottom.
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Boiler section assembly (cont.) Please note: The support timber may be removed after three sections have been assembled; locate the roll of insulation mat (enclosed with part two of the thermal insulation) behind the rear section and pull underneath the assembled sections, as the installation progresses (every two sections), until it is also located underneath the front section.
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Boiler section assembly (cont.) Plan view Side view Rated Number Anchor rod layout 480 mm and 610 mm output output sections 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1080...
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Boiler section assembly (cont.) M 16 ¨ Only release the compression tool when the sections have been joined with the anchor rods.
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Boiler section assembly (cont.) Please note: Installation instructions All section feet must be firmly placed Plinth on the plinth (accessory) or the floor. If necessary, shim the section feet.
Distributor pipe and drain installation R 2" A Plug R 2": Overhang "a" max. 5 to 7mm B Quadrant insert for ratchet included with the compression tool...
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Distributor pipe and drain installation (cont.) B 3.9 x 6.5 A Distributor pipe: Orient the drain apertures upwards B Insertion of the respective intermediate and end sections see service instructions, page 17 C Fill and drain valve (on site)
Water pressure test Please note: No pressure, control or safety equipment must be fitted during any water pressure or leak tests. Test the pressure with a class 1.0 pressure gauge. Test pressure: 9 bar A Sensor well C Manual air-vent valve (on site) B Dummy plug D Blanking flange...
Insertion of turbulators and fitting the boiler door M 16 In the delivered condition, the boiler door opens to the l.h. side. Reposition the hinge and catch components, if necessary. A Only for 320 to 860 kW: Insert the respective number of turbulators into each hot gas channel of the third flue (see table);...
Heating water (primary) connection Fill and drain valve (on site) Drain R ¾" Please note: ......... . . KR Boiler return DN 100 Only open the heating water...
Safety connection and testing for leaks Installation instructions Low water indicator Safety equipment block Boilers must be equipped with a low water indicator. Install safety lines. Please note: Safety connection DN 65 Equip boilers with a safety valve ......Max.
Installation of the thermal insulation Please note: All components required for the assembly of the thermal insulation are included in the insulation carton. = B 3.9 x 9.5 M 12 M 16 1,044 mm 1,090 mm Please note: Position of cross members see table, page 20.
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Installation of the thermal insulation (cont.) Rated 950 1080 output...
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Installation of the thermal insulation (cont.) Please note: Burner cables fA and lÖ are included in the thermal insulation packaging. A Black side outwards B Cut-out to the rear...
Flue gas connections 1. Connect the flue outlet with the shortest possible run and with a slight inclination to the chimney stack. Flue outlet outside ∅ 300 mm ..2. Create a test aperture. 3.
Installation of additional thermal insulation B 3.9 x 9.5 B 3.9 x 9.5 B 3.9 Please note: Hook in the side panels in accordance with the table on page 24. Where required, align the side panels by turning the hexagon screws in the cross member.
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Installation of additional thermal insulation (cont.) Rated 440 500 630 700 950 1080 output mm 628 mm 502...
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Installation of additional thermal insulation (cont.) Connections to the control unit base, see installation instructions boiler control unit Please note: Boiler temperature sensor § is included in the control unit package. Insert the probe and the boiler temperature sensor as far as possible into the sensor well.
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Installation of additional thermal insulation (cont.) ¨ Route cables so that they are not subjected to excessive temperatures. A Low voltage cables C Strain relieving burner cables B 230 V cables...
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Installation of additional thermal insulation (cont.) B 3.9 x 9.5 B 3.9 x 9.5 B 3.9 x 9.5 A Centre top panel from 500 kW B Boiler type plate...
Important notes on commissioning For commissioning and adjustments, see the service instructions for boiler, burner and boiler control unit. Viessmann Werke GmbH & Co D 35107 Allendorf Tel: +49 6452 70 0 Fax: +49 6452 70 27 80 www.viessmann.de...