Checking the pre-charge pressure of the expansion vessel ..........15 Decommissioning the product ......15 Customer service..........15 Appendix ................16 Detecting and eliminating faults ...... 16 Inspection and maintenance work – Overview............. 16 Installation and maintenance instructions auroSTOR 0020221298_04...
▶ Only carry out work on these components once they have cooled down. Intended use includes the following: – observance of accompanying operating, installation and maintenance instructions 0020221298_04 auroSTOR Installation and maintenance instructions...
1.4.6 Risk of injury due to the heavy weight of the product ▶ Make sure that the product is transported by at least two people. Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, directives, ordinances and laws. Installation and maintenance instructions auroSTOR 0020221298_04...
VIH S GB 300/3 BES 0010019223 Benchmark Vaillant is a licensed member of the Benchmark Scheme. Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved...
Hot Water Association Install the product in such a way that the thermostat and immersion heater can be accessed easily. Vaillant is a full member of the Hot Water Association and – Leave sufficient space around the product for installing, promotes the scheme in association with its cylinder range.
▶ Protect the product and its components. ▶ Do not weld the connection pieces if these have been screwed into the pipe fittings. 0020221298_04 auroSTOR Installation and maintenance instructions...
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Secondary circuit return cylinder may cause the cylinder to burst. ▶ Ensure that the expansion relief valves are not blocked. ▶ Ensure that there is no isolation valve between the safety group and the cylin- der. Installation and maintenance instructions auroSTOR 0020221298_04...
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28 mm 1.0 m ≤ 27 m 35 mm 1.4 m ≤ 9 m 28 mm 1.0 m ≤ 18 m 3/4" 22 mm 35 mm 1.4 m ≤ 27 m 42 mm 1.7 m 0020221298_04 auroSTOR Installation and maintenance instructions...
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If the secondary return is not installed, fit a plug on the – The position of the windows and other openings. cylinder. – The probability of prams being under the drain opening. Installation and maintenance instructions auroSTOR 0020221298_04...
Risk of material damage by drilling connection box from a third-party manufacturer in addition to through the product. the Vaillant thermostat. The product may be damaged by drilling work. ▶ Do not drill through the product. 0020221298_04 auroSTOR Installation and maintenance instructions...
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Connect the immersion heater as shown in the basic diagram. Attach the cover for the electrics on the cylinder. ▶ Use the grommets that are included in the scope of deliv- ery for the cylinder in the electronics box. Installation and maintenance instructions auroSTOR 0020221298_04...
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5.3.8 Electric connection for the primary circuit Connect the thermostat for the primary circuit and the thermal cut-out. ▶ Connect the plug (1) to the electronics box. – Diameter of the cable: 2.5 mm² 0020221298_04 auroSTOR Installation and maintenance instructions...
Open the manual air separator at the top of the cylinder. Let the water flow in order to remove any air bubbles. Close the manual air separator as soon as all of the air has escaped. Close the domestic hot water draw-off valves. Installation and maintenance instructions auroSTOR 0020221298_04...
The inspection may require maintenance to be carried that arrangements are made for a Maintenance Agreement. out earlier, depending on the results. Please contact Vaillant Service Solutions for further details: Inspection and maintenance work – Overview (→ Page 16) Telephone: 0330 100 3461 The immersion heater can be removed in order to inspect the inside of the cylinder.
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VIH S GB 300/3 Connecting the immersion heater to the power 230 V / 50 Hz 230 V / 50 Hz 230 V / 50 Hz supply Immersion heater power 2.8 kW 2.8 kW 2.8 kW 0020221298_04 auroSTOR Installation and maintenance instructions...
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Stainless steel Stainless steel Stainless steel (1.4521) (1.4521) (1.4521) Insulation material Polyurethane Polyurethane Polyurethane Insulation thickness 50 mm 50 mm 50 mm Propellant for insulating material GWP < 5 GWP < 5 GWP < 5 Installation and maintenance instructions auroSTOR 0020221298_04...
Qualification................3 Regulations ................4 Safety device................. 3 Safety group ................8 Serial number ................ 5 Spare parts................15 Tool ..................4 Transport ................4 Troubleshooting..............15 Unpacking the product ............7 Voltage .................. 3 Installation and maintenance instructions auroSTOR 0020221298_04...