Related Manuals for Viessmann OpenTherm
Summary of Contents for Viessmann OpenTherm
- Page 1 VIESMANN Installation and service instructions for contractors Mixer extension kit OpenTherm mixer extension kit For Vitodens 100-W, 111-W and 050-W Mixer extension kit Please keep safe. 5837721 GB 11/2018...
- Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the Details identified by the word "Note" risk of injury. contain additional information. Please note This symbol warns against the risk of material losses and envi- ronmental pollution.
- Page 3 ■ Isolate the system from the power system. supply, e.g. by removing the separate Replace faulty components only fuse or by means of a mains isolator, with genuine Viessmann spare and check that it is no longer live. parts. ■ Safeguard the system against recon- nection.
- Page 4 Safety instructions Safety instructions (cont.) Safety instructions for operating the system If you smell gas What to do if water escapes from the appliance Danger Escaping gas can lead to explo- Danger sions which may result in seri- If water escapes from the appli- ous injury.
- Page 5 Safety instructions Safety instructions (cont.) Danger Danger Leaking or blocked flue sys- The simultaneous operation of tems, or an inadequate supply the boiler and appliances that of combustion air can cause life exhausts air to the outside can threatening poisoning from car- result in life threatening poison- bon monoxide in the flue gas.
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Page 6: Table Of Contents
Overview of electrical connections............... 12 Connecting the flow temperature sensor.............. 13 Connecting the mixer motor................. 13 Connecting the heating circuit pump..............14 OpenTherm connections..................17 Power supply......................18 Service instructions Commissioning and adjustment Setting the mixer extension kit parameters............20 Fault messages.................... -
Page 7: Information
Information Disposal of packaging Please dispose of packaging waste in line with statutory regulations. -
Page 8: Symbols
Information Symbols Sym- 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 environmental pollution Live electrical area Pay particular attention. ■... -
Page 9: Intended Use
Information Intended use The appliance is intended solely for Any usage beyond this must be installation and operation in sealed approved by the manufacturer in each unvented heating systems that comply individual case. with EN 12828, with due attention paid to the associated installation, service Incorrect usage or operation of the and operating instructions. -
Page 10: Installation Sequence
Installation sequence Installing the extension kit Install the device near the mixers and heating circuit pumps in the installation room. Fitting the flow temperature sensor ■ Fit the flow temperature sensor to the ■ Clean the flow pipe down to bare heating flow pipe immediately down- metal. - Page 11 Installation sequence Fitting the flow temperature sensor (cont.)
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Page 12: Overview Of Electrical Connections
(on site) Mixer motor sÖ B Heating circuit pump for heating circuit with mixer (on site) LV connections X 12.3 - X 12.4 OpenTherm room tem- X 3.1 - X 3.2 Flow temperature sen- perature controller for sor for heating circuit... -
Page 13: Connecting The Flow Temperature Sensor
Installation sequence Overview of electrical connections (cont.) Note Seal any unnecessary apertures with Apply strain relief to on-site cables. cable grommets (not cut open). Connecting the flow temperature sensor Flow temperature sensor for heating circuit with mixer Connect the flow temperature sensor to X 12.5 and X 12.6 (see page 12). -
Page 14: Connecting The Heating Circuit Pump
Installation sequence Connecting the mixer motor (cont.) Mixer motors without plug or on-site mixer motor Connect the mixer motor in accordance 1~ A with the diagram. Never interchange wires. A Mixer motor gS Plug on extension kit | Mixer open ~ Mixer close The mixer motor must meet the fol- lowing criteria:... - Page 15 Installation sequence Connecting the heating circuit pump (cont.) Heating circuit pump 230 V~ For allocation of the heating circuit pumps see page 12. Specification Rated current 2(1) A Recommended H05VV-F3G 0.75 connecting cable H05RN-F3G 0.75 sÖ Heating circuit pump sÖ A/B Mains connection on extension Heating circuit pump with power consumption greater than 2 A N PE Ext.
- Page 16 Installation sequence Connecting the heating circuit pump (cont.) Heating circuit pump 400 V~ Specification for switching the con- tactor: L1 L2 L3 N PE Rated voltage 230 V∼ Rated current 2(1) A Recommended H05VV-F3G connecting cable 0.75 mm H05RN-F3G 0.75 mm sÖ...
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Page 17: Opentherm Connections
Installation sequence OpenTherm connections 4 3 2 1 1 2 3 4 5 6 A Boiler control unit E Room temperature controller for B Terminals on the control unit heating circuit with mixer F Jumper C Mixer extension kit D Room temperature controller for heating circuit without mixer 1. -
Page 18: Power Supply
Installation sequence Power supply Danger Isolators for non-earthed conductors Incorrect electrical installations ■ The mains isolator (if installed) must can lead to serious injury from simultaneously isolate all non- electrical current and result in earthed conductors from the mains appliance damage. with a minimum contact separation of 3 mm. - Page 19 Installation sequence Power supply (cont.) Connect the power supply in accord- ance with the diagram. If the power supply to the appliance is connected with a flexible cable, ensure that the live conductors are pulled taut before the earth conductor in the event of strain relief failure.
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Page 20: Commissioning And Adjustment
Commissioning and adjustment Setting the mixer extension kit parameters Calling up and changing parameters Display and adjustments are made at 07. OK to confirm the room temperature controller. 08. Use to select the required 01. Press MODE. parameter. See the following chapter. 02. - Page 21 Commissioning and adjustment Setting the mixer extension kit parameters (cont.) Minimum boiler water temperature Parameter 1 Setting Explanations 10 - 50 Minimum boiler water temper- Delivered condition 10 °C ature adjustable from 10 to No minimum boiler water temperature 50 °C active Max.
- Page 22 Commissioning and adjustment Setting the mixer extension kit parameters (cont.) Switching function, DHW heating Parameter 4 Setting Explanations Gas condensing system boil- er: DHW heating enabled in accordance with the settings of the room temperature con- troller Gas condensing combi boiler: Comfort function switched on in accordance with the set- tings of the room temperature...
- Page 23 Commissioning and adjustment Setting the mixer extension kit parameters (cont.) Mixer motor runtime Parameter 8 Setting Explanations 0 - 100 Mixer motor runtime adjusta- Delivered condition: 12 (corresponds ble in steps of 10 s to 120 s). Set the runtime in accordance with the mixer motor specification.
- Page 24 Commissioning and adjustment Setting the mixer extension kit parameters (cont.) Temperature differential, set flow temperature, heating circuit with mixer to set boiler water temperature Parameter 14 Setting Explanations 0 - 10 Excess set boiler water tem- Delivered condition: 5 K perature at start of compensa- tion adjustable from 0 to 10 K Actuator test...
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Page 25: Fault Messages
Lead break, flow temperature sensor in heating circuit with mixer "Error D3" Short circuit, flow temperature sensor in heating circuit with mixer "Error D5" OpenTherm connection between heat generator control unit and mixer extension kit not connec- ted or faulty... -
Page 26: Connection And Wiring Diagram
GND UB 1 2 3 4 5 6 1 2 3 4 Plug 230 V~ X 12.1 - X 12.2 OpenTherm room tem- sÖ A Heating circuit pump for heating perature controller for circuit without mixer (on site) heating circuit with sÖ... -
Page 27: Specification
Specification Specification Rated voltage 230 V∼ Rated frequency 50 Hz Rated current Power consumption (without consumers) 1.5 W Protection class IP rating IP 20 D to EN 60 529; ensure through design/installation. Permissible ambient temperature ■ During operation 0 to +40 °C ■... - Page 28 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf 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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