Viessmann SM1 Installation And Service Instructions Manual
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Viessmann SM1 Installation And Service Instructions Manual

Solar control module
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VIESMANN
Installation and service
instructions
for contractors
Solar control module
Type SM1
for wall mounting, part no. 7429 073
Solar control module
Please keep safe.
5724 071 GB
2/2010

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Summary of Contents for Viessmann SM1

  • Page 1 VIESMANN Installation and service instructions for contractors Solar control module Type SM1 for wall mounting, part no. 7429 073 Solar control module Please keep safe. 5724 071 GB 2/2010...
  • Page 2 Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained ■ all current safety regulations as defined by DIN, EN, DVGW, TRGI, Danger TRF, VDE and all locally applicable This symbol warns against the standards, risk of injury.
  • Page 3 ■ When using gas as fuel, also close the For replacements, use only orig- main gas shut-off valve and safeguard inal spare parts from Viessmann against unauthorised reopening. or those which are approved by ■ Isolate the system from the power sup- Viessmann.

  • Page 4: Table Of Contents

    Index Index Installation instructions Installation sequence Mounting on the wall.................... Overview of electrical connections............... System example 1....................System example 2....................12 System example 3....................18 System example 4....................24 System example 5....................30 System example 6....................36 Power supply......................42 Service instructions Function description..................

  • Page 5: Mounting On The Wall

    Installation sequence Mounting on the wall...

  • Page 6: Overview Of Electrical Connections

    Installation sequence Overview of electrical connections & aÖ fÖ L ? N L ? N 230 V~ Solar control module Solar circuit pump Cylinder temperature sensor fÖ Power supply & Collector temperature sensor KM BUS to boiler control unit Temperature sensor (if installed) PWM Speed control, solar circuit pump (if circulation pump with PWM aÖ...

  • Page 7: System Example 1

    Installation sequence System example 1 DHW heating with dual mode DHW cylinder Function description Reheating of DHW cylinder qP by boiler 1 is suppressed as soon as DHW cyl- DHW heating with solar energy inder qP is heated by collectors eP. For this, the set cylinder temperature for If the temperature differential between reheating is reduced by boiler 1.
  • Page 8 Installation sequence System example 1 (cont.) Function/system components Code in solar group Adjust Delivered con- dition Start temperature differential for solar circuit pump at 00:... 00:8 connection sF (delivered condition 8 K) Stop temperature differential for solar circuit pump at 01:...
  • Page 9 Installation sequence System example 1 (cont.) Hydraulic installation scheme ID: 4605132_1001_01...
  • Page 10 (accessories may be required for connection) Thermostatic mixing valve (accessory) Circulation pump sS (transfer of heat, on site) Cylinder temperature sensor % (boiler) Solar collectors Collector temperature sensor & Solar-Divicon (accessory) with Solar circuit pump sF Solar control module, type SM1 Junction box (on site)
  • Page 11 Installation sequence System example 1 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & KM BUS 2...

  • Page 12: System Example 2

    Installation sequence System example 2 DHW heating and central heating backup with a multi mode heat- ing water buffer cylinder Function description The burner starts and 3-way diverter valve 7 switches to position "AB-A" via DHW heating with solar energy cylinder temperature sensor qZ of the boiler control unit.
  • Page 13 Installation sequence System example 2 (cont.) DHW heating without solar energy Central heating without solar energy The upper area of heating water buffer If the temperature at sensor qT is not cylinder qP is heated by boiler 1. The high enough, the burner and circulation integral instantaneous water heater/ pump in the Vitodens are started.
  • Page 14 Installation sequence System example 2 (cont.) Note Coding address 00 can be set at least 0.5 K above coding address 01. Coding address 01 can be set to max. 0.5 K below coding address 00.
  • Page 15 Installation sequence System example 2 (cont.) Hydraulic installation scheme ID: 4605029_1001_01...
  • Page 16 Thermostatic mixing valve (accessory) Flow temperature sensor ? in heating water buffer cylinder (accessory) Cylinder temperature sensor % (boiler) Solar collectors Collector temperature sensor & Solar-Divicon (accessory) Solar circuit pump sF (standard delivery, Solar-Divicon) Solar control module, type SM1 Junction box...
  • Page 17 Installation sequence System example 2 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & A KM BUS to boiler control unit...

  • Page 18: System Example 3

    Installation sequence System example 3 DHW heating and central heating backup with a multi mode heat- ing water buffer cylinder with differential temperature control Function description The burner and circulation pump for cyl- inder heating 7 are started via cylinder DHW heating with solar energy temperature sensor qZ of the boiler con- trol unit.
  • Page 19 Installation sequence System example 3 (cont.) DHW heating without solar energy Suppression of reheating by the boiler in the case of central heating The upper area of heating water buffer backup with solar energy cylinder qP is heated by boiler 1. The integral instantaneous water heater/ If a sufficiently high temperature is avail- standby section is heated by the sur-...
  • Page 20 Installation sequence System example 3 (cont.) Function/system components Code in solar group Adjust Delivered con- dition Maximum cylinder temperature (delivered condition 08:... 08:60 60 °C) Differential temperature control 2 with central heating 20:4 20:0 backup Start temperature differential with central heating 22:...
  • Page 21 Installation sequence System example 3 (cont.) Hydraulic installation scheme ID: 4605160_1001_01...
  • Page 22 Solar-Divicon (accessory) Solar circuit pump sF (standard delivery, Solar-Divicon) Temperature sensor aÖ (return temperature sensor in heating circuit, acces- sory) Solar control module, type SM1 Junction box (on site) 3-way diverter valve sS (accessory) Low loss header (accessory) Flow temperature sensor, low loss header ? (accessory)
  • Page 23 Installation sequence System example 3 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & A KM BUS to boiler control unit...

  • Page 24: System Example 4

    Installation sequence System example 4 DHW heating and central heating backup with heating water buf- fer cylinder with freshwater module Function description Solar circuit pump eE stops if: ■ Actual temperature drops below stop Freshwater module qP heats DHW temperature differential (coding when hot water is drawn.
  • Page 25 Installation sequence System example 4 (cont.) Reheating of heating water buffer cylin- DHW heating without solar energy der rP by boiler 1 is suppressed as soon as heating water buffer cylinder The upper area of heating water buffer rP is heated by collectors eP. For this, cylinder rP is heated by boiler 1.
  • Page 26 Installation sequence System example 4 (cont.) Function/system components Code in solar group Adjust Delivered con- dition ■ Solar circuit pump is speed-controlled with PWM 02:2 02:0 control Maximum cylinder temperature (delivered condition 08:... 08:60 60 °C) Note Coding address 00 can be set at least 0.5 K above coding address 01.
  • Page 27 Installation sequence System example 4 (cont.) Hydraulic installation scheme ID: 4605030_1001_01...
  • Page 28 Cylinder temperature sensor % (boiler) Flow temperature sensor ? in heating water buffer cylinder (accessory) High limit safety cut-out (accessory) Solar collectors Collector temperature sensor & Solar-Divicon (accessory) Solar circuit pump sF (standard delivery, Solar-Divicon) Solar control module, type SM1 Junction box...
  • Page 29 Installation sequence System example 4 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & A KM BUS to boiler control unit...

  • Page 30: System Example 5

    Installation sequence System example 4 (cont.) Control unit, freshwater module 230 V / 50 Hz System example 5 DHW heating with two mono mode DHW cylinders Function description ■ Actual temperature drops below stop temperature differential (coding DHW heating with solar energy address 01) ■...
  • Page 31 Installation sequence System example 5 (cont.) Transfer pump qT stops if the tempera- In the case of uninterrupted heating by ture at temperature sensor qZ has fallen the collectors eP (> 2 h), boiler 1 will only heat if the set DHW temperature below the stop temperature differential of selected at boiler control unit 2 (coding the differential temperature control 2...
  • Page 32 Installation sequence System example 5 (cont.) Function/system components Code in solar group Adjust Delivered con- dition ■ Solar circuit pump is speed-controlled with PWM 02:2 02:0 control Maximum cylinder temperature (delivered condition 08:... 08:60 60 °C) Start temperature differential with central heating 22:...
  • Page 33 Installation sequence System example 5 (cont.) Hydraulic installation scheme ID: 4605165_1001_01...
  • Page 34 Temperature sensor / (accessory) Temperature sensor aÖ (accessory) DHW cylinder 2, mono mode Cylinder temperature sensor % (boiler) Solar collectors Collector temperature sensor & Solar-Divicon (accessory) Solar circuit pump sF (standard delivery, Solar-Divicon) Solar control module, type SM1 Junction box...
  • Page 35 Installation sequence System example 5 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & A KM BUS to boiler control unit...

  • Page 36: System Example 6

    Installation sequence System example 6 DHW heating with mono mode DHW cylinder and central heating backup with multi mode heating water buffer cylinder with dif- ferential temperature control Function description Suppression of heating water buffer cylinder reheating by the boiler with DHW heating with solar energy DHW heating If the temperature differential between...
  • Page 37 Installation sequence System example 6 (cont.) Central heating with solar energy Central heating without solar energy If the temperature differential between If the temperature differential between sensor rW and sensor rT is greater than sensor rW and sensor rT is less than the the temperature differential of coding temperature differential of coding address 22, 3-way diverter valve rZ is...
  • Page 38 Installation sequence System example 6 (cont.) Function/system components Code in solar group Adjust Delivered con- dition Start temperature differential with central heating 22:... 22:8 backup (delivered condition 8 K) Stop temperature differential with central heating 23:... 23:4 backup (delivered condition 4 K) Note Coding address 00 can be set at least 0.5 K above coding address 01.
  • Page 39 Installation sequence System example 6 (cont.) Hydraulic installation scheme ID: 4605166_1001_01...
  • Page 40 Solar collectors Collector temperature sensor & Solar-Divicon (accessory) Solar circuit pump sF (standard delivery, Solar-Divicon) Solar control module, type SM1 Junction box (on site) Heating water buffer cylinder Cylinder temperature sensor % (solar control module) Temperature sensor / (flow temperature sensor in heating water buffer cyl-...
  • Page 41 Installation sequence System example 6 (cont.) Electrical installation scheme Solar control module, type SM1 230 V / 50 Hz fÖ aÖ & A KM BUS to boiler control unit...

  • Page 42: Power Supply

    Installation sequence Power supply Connect accessories with a total wattage ■ The main isolator (if installed) must above 400 W directly to the mains simultaneously isolate all non-earthed power supply. conductors from the mains with a min- imum contact separation of 3 mm. Danger We additionally recommend installing Incorrectly executed electrical...

  • Page 43: Function Description

    Reduction of stagnation time Collector frost protection function If there is excess solar energy, the speed Viessmann collectors are filled with of the solar circuit pump will be reduced Viessmann heat transfer medium. This before the maximum cylinder tempera- function does not have to be enabled.
  • Page 44 Function description Function description (cont.) Possible pumps: A third set DHW temperature can be ■ Standard solar pumps with and with- specified via coding address "67" (set- out their own speed control ting range 10 to 95 °C). This value must ■...
  • Page 45 Function description Function description (cont.) External heat exchanger If the consumer cannot be heated with priority, the next consumer in line will be heated for an adjustable cycle time. After & this time has expired, the solar control unit checks the rise of the collector tem- perature during the adjustable cyclical pause.

  • Page 46: Specification

    Specification Specification Rated voltage 230 V~ Rated frequency 50 Hz Rated current Power consumption 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 47: Connection And Wiring Diagram

    Specification Connection and wiring diagram Main PCB Temperature sensor (if installed) PWM Speed control, solar circuit pump aÖ Temperature sensor (if installed) (if circulation pump with PWM Transfer pump or 3-way diverter control installed) valve Maximum temperature limiter Solar circuit pump X...

  • Page 48: Parts List

    Obtain standard parts from your local supplier. Parts not shown 345 Plug set, 230 V Parts 346 LV plug set, 2-pole 311 Collector temperature sensor 350 Installation and service instructions 330 Solar control module SM1 A Type plate 341 Power cable fÖ...

  • Page 49: Declaration Of Conformity

    Declaration of Conformity Declaration of Conformity We, Viessmann Werke GmbH&Co KG, D-35107 Allendorf, declare as sole respon- sible body, that the product Solar control module, type SM1, complies with the following standards: EN 50 366 EN 60 335-2-102 EN 55 014-1...

  • Page 50: Keyword Index

    Keyword index Keyword index Connection and wiring diagram..47 Specification........46 Declaration of Conformity....49 Electrical connections......6...
  • Page 52 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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