Viessmann SM1 Installation And Service Instructions Manual

5774 469 v1.0 12 System Example 2 (continued) Connections Hydraulic installation scheme Equipment required Legend 1 Wall mounted oil/gas boiler with 2 Boiler and heating circuit control unit qP DHW tank 1, mono mode qQ DHW tank temperature sensor % (solar control module) qW High limit safety cut-out (accessory) qE DHW circulation pump (on site) (accessories may be required for connection) qR Thermostatic mixing valve (accessory) qT Transfer pump (on site) qZ Temperature sensor / (accessory) qU Temperature sensor aÖ (accessory) qI DHW tank ...

5774 469 v1.0 14 System Example 3 DHW heating with mono mode DHW tank and central heating backup with multi mode heating water buffer DHW tank with differential temperature control Function description DHW heating with solar energy If the temperature differential between collector temperature sensor eQ and DHW tank temperature sensor rQ is greater than the start temperature differential (coding address 00), solar circuit pump eE starts and heating water buffer DHW tank rP is heated. Solar circuit pump eE stops if: H Actual temperature drops b ...

Solar Control Module SM1, Installation and Service Connections Overview of Electrical Connections Note: Apply a strain relief to all on-site cables. Close any unnecessary knock-outs with cable grommets (not cut open). CAUTION Electronic modules can be damaged by electrostatic charges. Before commencing work, touch an grounded object, e.g. heating or water pipes to discharge static loads. Legend A Solar control module % DHW tank temperature sensor & Collector temperature sensor / Temperature sensor (accessory) aÖ Temperature sensor (accessory) sS Transfer pump or 3-way ...

Solar Control Module SM1, Installation and Service Connecting the KM BUS to the Extension Modules Legend A Boiler control unit B Extension kit for heating circuit with mixing valve M2 C Extension kit for heating circuit with mixing valve M3 D Extension AM1, EA1 and/or solar control module, type SM1 Connections ...

5774 469 v1.0 18 Power Supply Connect accessories with a total wattage above 400 W directly to the mains power supply. WARNING Incorrect core termination can cause severe injuries and damage to the equipment. Never interchange cores “L1” and “N”. CAUTION An incorrect phase sequence can cause damage to the unit. Check for phase equality with the power supply connection of the control unit. H The main isolator (if installed) must simultaneously isolate all non-grounded conductors from the mains with a minimum contact separation of 3 mm. ...

Page 5774 469 v1.0 Solar Control Module SM1, Installation and Service 3 Safety Important Precautions General Information Installation Connections Additional Information Safety, Installation and Warranty Requirements..............2 Product documentation...........................................2 Licensed professional heating contractor...................2 Advice to owner....................................................2 Warranty...............................................................2 Important Regulatory and Installation Requirements........4 Approvals............ ...