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Summary of Contents for Viessmann EM-HB1
- Page 1 VIESMANN Installation and service instructions for contractors EM-HB1 extension HIO electronics module Function extension for connection of an external heat generator EM-HB1 extension Please keep safe. 6218611 GB 9/2021...
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Page 2: Safety Instructions
Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution. - Page 3 Viessmann. water pipes to discharge static loads. Repair work Please note Repairing components that fulfil a safety function can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts.
- Page 4 Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas Condensate Danger Danger Escaping gas can lead to explo- Contact with condensate can be sions which may result in serious harmful to health. injury. Never let condensate touch your Do not smoke.
- Page 5 Safety instructions Safety instructions (cont.) Danger The simultaneous operation of the boiler and appliances that extract air to the outside can result in life threatening poisoning due to reverse flow of the flue gas. Fit an interlock circuit or take suita- ble steps to ensure an adequate supply of combustion air.
- Page 6 Index Index Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................System examples ................■ Spare parts lists .................. ■ Installation sequence Wall mounting ..................Overview of electrical connections ............Connection and wiring dia- ........................ 12 gram Specification ........................
- Page 7 Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are carried out. Warning of material losses and environ- mental pollution Live electrical area...
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Page 8: Product Information
Information Product information Function extension EM-HB1 enables an external heat generator to be connected electronically to the heat pump. This means that the control methods are also available on the heat pump control unit. System examples Available system examples: See www.viessmann-schemes.com. - Page 9 Installation sequence Wall mounting Fig. 1 Overview of electrical connections EM-HB1 2 A H (slow) 250 V ~ 0...10 V Ö PlusBus 10 k Ω 10 k Ω 230 V~ 230 V/50 Hz Fig. 2 230 V~ connections Plug Component...
- Page 10 Installation sequence Overview of electrical connections (cont.) 230 V~ connections Plug Component Explanation Enable external heat generators Switching contact as N/O contact: P S is — closed when there is a demand. Note Never route extra low voltage (ELV) via ■...
- Page 11 Installation sequence Overview of electrical connections (cont.) Please note Note Electronic assemblies can be damaged by elec- Apply strain relief to on-site cables. trostatic discharge. Secure individual wires directly to each plug using Prior to commencing any work, touch earthed cable ties.
- Page 12 Connection and wiring diagram Connection and wiring diagram Fig. 3 0-10V OUT 0 to 10 V output for actuating the external heat generator Power supply Mixer motor, system flow Enable external heat generators Fault message input of external heat gen- erator PlusBus Fuse 2 A H (slow)
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Page 13: Specification
Specification Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current Power consumption – electronics Current drawn 9 mA Permissible ambient temperature Operation 0 to +40 °C ■ Storage and transport 20 to +65 °C ■ – Rated relay output breaking capacity Plug 52 1 A, 230 V~ ■... - Page 14 Certificates Declaration of conformity We, Viessmann Climate Solutions SE, Using the serial number, the Declaration of Conformity D-35108 Allendorf, declare as sole responsible body can be found on the following website: that the named product complies with the European www.viessmann.co.uk/eu-conformity directives and supplementary national requirements in terms of its design and operational characteristics.
- Page 16 Viessmann Climate Solutions SE Viessmann Limited 35108 Allendorf / Germany Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...
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