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Summary of Contents for Viessmann Dekamatik-HK1
- Page 1 Installation Instructions Dekamatik-HK1 Digital indoor/outdoor heating circuit control unit for mounting on the mixing valve, Part No. 7450 107 for wall mounting, Part No. 7450 110 Dekamatik-HK1 5167 137 1/99...
- Page 2 Safety Safety, Installation and Warranty Requirements Please ensure that this manual is read and understood before commencing installation. Failure to comply with the issues listed below and details printed in this manual can cause product/property damage, and/or severe personal injury. Ensure all requirements below are understood and fulfilled (including detailed information found in manual subsections).
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Page 3: Table Of Contents
- Dekamatik-HK 1 for mounting on the mixing valve or for wall mounting Installation Dekamatik-HK1 for Mounting on the Mixing Valve ..Dekamatik-HK1 for Wall Mounting ........ -
Page 4: Safety
Take note of all symbols and notations intended to draw attention to potential hazards or important product information. These include “DANGER,” “WARNING,” “CAUTION,” and “INFORMATION.” See page 2 for details. Approvals IMPORTANT Viessmann boilers, burners and controls are approved for sale in North America by International Approval Services (IAS). All Please carefully read this manual prior electrical wiring is to be done in to attempting installation. -
Page 5: Product Information
Information Product Information Digital indoor/outdoor heating circuit control unit for one heating circuit with mixing valve, either with drive module for mounting on Viessmann mixing valve for wall mounting and connection of a separate mixing valve motor. -
Page 6: Application Example 1
If the outdoor temperature value of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, a room temperature sensor can be connected for room temperature dependent control (only possible with communication module, accessory). -
Page 7: Application Example 2
If the outdoor temperature value of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, a room temperature sensor can be connected for room temperature dependent control (only possible with communication module, accessory). -
Page 8: Dekamatik-Hk1 For Mounting On The Mixing Valve
Installation Dekamatik-HK1 for Mounting on the Mixing Valve 1. Screw the threaded bolts (M6 or M8 female thread depending on size of mixing valve) onto the threaded bolts of the mixing valve. 2. Place the base plate in position and screw on with the washers and nuts provided. -
Page 9: Dekamatik-Hk1 For Wall Mounting
Installation Dekamatik-HK1 for Wall Mounting 1. Pull the wall mounting fixture off the control unit 2. Fasten the wall mounting fixture the wall with three screws. 3. Carry out the electrical connections (i.e. mixing valve motor and compiled fault indication) (see page 18 and 19). -
Page 10: Overview
Electrical Connections Overview Open up the terminal compartment Low voltage connections unscrewing the screws in the cover X14 for outdoor temperature X11 for external heat demand below the programming unit sensor or room temperature (open mixing valve) / external sensor (accessory)/ heat disable (close mixing Mother board supply temperature sensor... - Page 11 Electrical Connections Overview (continued) Wall mounting fixture Terminal strips for connection of mixing valve motor or compiled fault indication Fig. 4 Electrical connections in the wall mounting fixture; Dekamatik-HK1 for wall mounting...
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Page 12: Sensors
Electrical Connections Sensors Supply temperature sensor (strap-on sensor) IMPORTANT Mount the supply temperature sensor downstream from the heating circuit Fig. 5 pump on the heating supply pipe at a Supply temperature sensor distance of approx. 3 to 5 ft / 1 to 1.5 m from the mixing valve. -
Page 13: Outdoor Temperature Sensor
Sensors (continued) Outdoor temperature sensor If the outdoor temperature sensor of the boiler or heating circuit control unit is used via the Viessmann 2-wire BUS, it is not necessary to connect the outdoor temperature sensor provided. A room temperature sensor can be connected instead of the outdoor temperature sensor (see page 14). -
Page 14: Accessories
Electrical Connections Accessories Room temperature sensor 1. Mount the room temperature sensor in accordance with the separate installation instructions. 2. Connect the 2-wire cable from the room temperature sensor to connector at terminals “1” and “2” (the wires are interchangeable). 3. -
Page 15: Ws/Rs Remote Control Unit
8. Insert the programming unit in the wall mounting fixture. Wall mounting fixture Fig. 13 Connecting the wall mounting fixture to the Dekamatik-HK1 WS remote control unit RS remote control unit 1. Mount the remote control unit in accordance with the separate installation instructions. -
Page 16: Heating Circuit Pump 115 V
Electrical Connections Accessories (continued) Heating circuit pump 115 V WARNING In the case of underfloor heating systems, a high limit aquastat (immersion or strap-on type) must be installed in the heating supply downstream from the mixing valve and the heating circuit pump. In this case connect the heating circuit pump to the high limit aquastat (see separate Installation... -
Page 17: Heating Circuit Pump With High Current Or 3-Phase
Electrical Connections Accessories (continued) Heating circuit pump with high current or 3-phase 1. Install the heating circuit pump in accordance with the manufacturer’s specifications and instructions. 2. Select contactor and connection wire according to the rating of the pump to be connected. -
Page 18: Other Connection Facilities
Electrical Connections Other Connection Facilities External heat demand / External heat disable When the “external heat demand” contact is activated, the mixing valve is opened. When the “external heat disable” contact is activated, the mixing valve is closed. 1. In the plug-in connector provided, connect a potential- free contact for - external heat demand... -
Page 19: Compiled Fault Indication
Dekamatik-HK 1 for wall mounting Data transfer and sensor faults are reported. In conjunction with a Dekamatik boiler control unit, a compiled fault message is also relayed to these via the Viessmann 2-wire BUS (accessory). 1. Select the signal device (provided by the customer). -
Page 20: Power Supply
Electrical Connections Power Supply Safety requirements Install power supply in accordance with the regulations of the authorities having jurisdiction or, in the absence of such requirements, in accordance with National Codes. The Dekamatik-HK 1 is standard equipped with a 120 V power cord. A receptacle with a max. -
Page 21: Post-Installation Testing
Appendix Post-Installation Testing Checklist Check the following conditions and correct deficiencies. j Ensure all electrical connections have been correctly made. j Ensure positive connection of all plug-in connectors. j Ensure mixing valve motor is properly connected. j Ensure correct rotational direction of mixing valve motor and, if necessary, change in accordance with the Service Instructions. -
Page 22: Dimensions / Technical Data
Appendix Dimensions / Technical Data Mounting on the mixing valve Rated voltage: AC 120 V~ Rated frequency:60 Hz Rated current: AC 4 A Power consumption: 7 VA Protection class: I Test class: Degree of protection: IP 22 D to EN 60529 Ambient temperature - during... - Page 23 Appendix Notes...
- Page 24 Viessmann Manufacturing Company (U.S.) Inc. Viessmann Manufacturing Company Inc. 45 Access Road 750 McMurray Road Warwick, Rhode Island • 02886 • USA Waterloo, Ontario • N2V 2G5 • Canada Tel. (401) 732-0667 • Fax (401) 732-0590 Tel. (519) 885-6300 • Fax (519) 885-0887 www.viessmann-us.com •...
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