Safety instructions ¨ Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Regulations ¨ Danger Observe the following when working This symbol warns against the on this system H all legal instructions regarding the risk of injury.
Boiler section assembly For delivery in sections (for delivery as block, see page 21) Note All parts required for the boiler assembly are contained in the boiler accessory pack. The boiler body consists of a back section with cast−on flue outlet, a front section with fitted boiler door and a number of centre sections, subject to the rated output.
Boiler section assembly (cont.) Assembly with the boiler lying down For all sections: 1. Clean the sealing faces (hubs, 3. Apply additional Dirko sealant in grooves and tongues) with the marked area. solvent. 2. Fill the sealing grooves with sealant.
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Boiler section assembly (cont.) For all sections: 1. Clean the nipples with solvent and apply the linseed oil graphite supplied.
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Boiler section assembly (cont.) Note During the compression process, draw in only one additional section at a time to prevent leaks at the hub joints. Before use, lubricate the moving threads of the compression tool with the lubricant supplied. During compression, maintain the same distance at the top and bottom between the individual sections.
Boiler section assembly (cont.) Assembly with the boiler standing up M 12...
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Boiler section assembly (cont.) For all sections: 1. Clean the sealing faces (hubs, 3. Apply additional Dirko sealant in grooves and tongues) with the marked area. solvent. 2. Fill the sealing grooves with sealant.
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Boiler section assembly (cont.) For all sections: 1. Clean the nipples with solvent and apply the linseed oil graphite supplied.
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Boiler section assembly (cont.) Note During the compression process, draw in only one additional section at a time to prevent leaks at the hub joints. Before use, lubricate the moving threads of the compression tool with the lubricant supplied. During compression, maintain the same distance at the top and bottom between the individual sections.
Water pressure test If the boiler is supplied in sections The water pressure test is not required if the boiler is supplied as a factory−tested block. Never fit any pressure, control or safety equipment during the water pressure or leak tests. Test the water pressure in accordance with TRD 702 or local regulations.
Fitting the turbulators, boiler door and flue adaptor (option) If the boiler is supplied in sections Note In the delivered condition, the boiler door opens to the l.h. side. Reposition the hinges, if required. 1. Insert the turbulators: 3. Flue adaptor (for 116 and 146 kW). See the parts list in the service Seal in the cast−on flue adaptor instructions.
Splitting the boiler block for easier handling If the boiler is supplied as a block Note The boiler block only needs to be split if there are difficulties in bringing the whole block into the installation room. Installation without dismantling the boiler: Continue with page 30. Dismantling ¨...
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Splitting the boiler block for easier handling (cont.)
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Splitting the boiler block for easier handling (cont.) Please note To prevent damaging the cast iron sections, drive the wedges in only at the designated points (where the boiler body thickens), and not anywhere near the hubs. For the assembly of the boiler standing up, continue on page 27.
Splitting the boiler block for easier handling (cont.) Assembly with the boiler lying down Note Always use new nipples during assembly. 1. Clean the sealing faces (hubs, 3. Apply additional Dirko sealant in grooves and tongues) with the marked area. solvent.
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Splitting the boiler block for easier handling (cont.) Please note Only release the compression tool when the sections have been joined with anchor rods A. Notes During compression, maintain the same distance at the top and bottom between the individual sections. Never secure the sections out of true.
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Splitting the boiler block for easier handling (cont.) Notes In the delivered condition, the boiler door opens to the l.h. side. Reposition the hinges, if required. Carry out a water pressure test (see page 19). Insert the turbulators (see page 20). A Sensor well B Dummy plugs C Locking cap...
Splitting the boiler block for easier handling (cont.) Assembly with the boiler standing up ¨ Danger Tipping the boiler sections can lead to injuries and equipment damage. Support the boiler sections adequately prior to assembly. Note Always use new nipples during assembly. 1.
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Splitting the boiler block for easier handling (cont.) Please note Only release the compression tool when the sections have been joined with anchor rods A. Notes During compression, maintain the same distance at the top and bottom between the individual sections. Never secure the sections out of true.
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Splitting the boiler block for easier handling (cont.) Notes In the delivered condition, the boiler door opens to the l.h. side. Reposition the hinges, if required. Carry out a water pressure test (see page 19). Insert the turbulators (see page 20). A Sensor well B Dummy plugs...
Boiler positioning and levelling Note Remove the bag containing the boiler type plate and keep it safe. The type plate is later affixed to the front panel. Positioning on a plinth (up to 90 kW) Installation instructions on the plinth packaging...
Fitting the thermal insulation Note All components required for fitting the thermal insulation are included in the insulation carton. A Notch forward...
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Fitting the thermal insulation (cont.) Note Burner cable fA is supplied in the thermal insulation pack. From 116 kW: Install the extension for two−stage/modulating burner operation. SW15 A Return edge forward...
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Fitting the thermal insulation (cont.) 3.9 x 9.5 A Black side out...
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Fitting the thermal insulation (cont.) 3.9 x 9.5 3.9 x 9.5 3.9 x 9.5...
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Fitting the thermal insulation (cont.) For opening the control unit and its connections, see the boiler control unit installation instructions. Please note Damaged capillaries result in incorrect sensor functions. Never kink the capillary tubes. Note The boiler water temperature sensor § is included in the control unit pack. Insert the sensor and the boiler water temperature sensor §...
Flue gas connection Vitoair installation instructions 1. Connect the flue outlet with the shortest possible run to the chimney stack using a slightly inclined flue pipe. Flue pipe (internal diameter) for ∅ 150 mm 58 to 90 kW ......∅...
Safety connections and testing for leaks Installation instructions Low water indicator safety equipment block Tests have verified that the requirements to EN 12828 have been Install the safety lines. met. This makes an additional low water Minimum cross−sections indicator unnecessary. H Safety valve Inlet connection Note...
Installing additional thermal insulation Note Secure the 230 V cables and the LV leads/cables with cable ties C supplied. Bundle and route 230 V cables A and LV leads/cables B separately. 3.9 x 9.5 M4 x 28 D Boiler type plate...
Burner installation Install and adjust the burner. Separate burner documentation. Important information on commissioning For commissioning and adjustment, see the service instructions for boiler, burner and boiler control unit.