Viessmann Vitotronic SPS Service Instructions Manual
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Viessmann Vitotronic SPS Service Instructions Manual

Viessmann Vitotronic SPS Service Instructions Manual

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Viesmann
Service instructions
for contractors
Vitotronic SPS
Heat pump control unit
VITOTRONIC SPS
Please keep safe.
5813836 GB/en 11/2017

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Summary of Contents for Viessmann Vitotronic SPS

  • Page 1 Viesmann Service instructions for contractors Vitotronic SPS Heat pump control unit VITOTRONIC SPS Please keep safe. 5813836 GB/en 11/2017...
  • Page 2 Prior to removing covers from the appliances, Replace faulty components only with genuine wait at least 4 minutes until the voltage has Viessmann spare parts. completely dropped out. Safeguard the system against reconnection. ■ Wear suitable personal protective equipment when ■...
  • Page 3 Installing non-authorised components and making non-approved modifications or con- versions can compromise safety and may inva- lidate our warranty. For replacements, use only original spare parts supplied or approved by Viessmann.

  • Page 4: Table Of Contents

    DHW heating ..................38 Operating status DHW ................ 39 ■ Communication ..................41 Modbus data transfer ................41 ■ BACnet for Vitotronic SPS ..............42 ■ Function of control inputs ..............42 ■ Email transmission on alarm .............. 43 ■...
  • Page 5 Index Index (cont.) PCBs and connection Main PCB ....................62 options Expansion PCB ..................65 Certificates Declaration of conformity ............... 68 Keyword index ........................ 69...

  • Page 6: Information Symbols

    Information 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 Pay particular attention. Component must audibly click into place.

  • Page 7: Introduction Scope Of Functions

    Introduction Scope of functions These service instructions include the following infor- ■ Troubleshooting measures mation regarding the Vitotronic SPS heat pump con- ■ Overview of electrical connections trol unit for heat pumps: Overview of BACnet and Modbus ■ Function description ■...

  • Page 8: Configuring The System Operating Information

    Configuring the system Operating information The programming unit is equipped with a touchscreen. If the screen is not touched for 15 minutes, the display The display switches on as soon as you touch the switches off automatically. screen. The start page appears. If the screen is not touched for 5 minutes, the display returns automatically to the start page.

  • Page 9: Start Page For External Control

    Configuring the system Start page (cont.) Start page for external control Fig. 2 Switching the system on/off initiates a complete system shutdown. The heat If the mains isolator is switched off, then the power  pump control unit and sensors remain operational. The supply to the system will be completely interrupted.

  • Page 10: Menu

    Configuring the system Menu Call up with å Fig. 3...

  • Page 11: Setting The Time And Date

    Configuring the system Setting the time and date On the "Start page", "General status" page or "Sys- tem overview" page, tap the time/date. Fig. 4 Enter the time (format: hh:mm), date (format: Confirm each entry with ">>". DD:MM:YY) and day of the week.

  • Page 12: Configuration/Login

    Configuring the system Configuration/login Call up with ■ å "Configuration" ■ Fig. 5 Entering the password Some settings can only be changed after obtaining Buttons: authorisation by entering a password. "Configuration" ■ The password for contractors (service and commis- To change the system configuration. sioning) is service545.

  • Page 13: Saving/Loading The Configuration

    Configuring the system Configuration/login (cont.) Saving/loading the configuration For settings to be applied, they must first be saved To apply a configuration from another heat pump ■ using the "Save configuration" button. control unit. For this purpose, a configuration can be backed up to a PC via an FTP program.

  • Page 14: Configuration System

    Configuring the system Configuration menu (cont.) Buttons: ■ "Parameter system controller" ■ "Configuration system" Settings for control and communication To determine installed system components. "Start page" ■ "Parameter sys." Back to start page ■ To set parameters for sensors, the heat pump and ■...

  • Page 15: Setting The Model Size

    Configuring the system Configuration system (cont.) Buttons: ■ ■ "BW30x / BW35x" One page earlier Selects a heat pump of type BW30x or BW35x "Main menu" ■ The "Selection size" page appears. "Menu" page ■ "BW35x Screw" Selects a heat pump of type BW35x with rotary screw compressor ■...

  • Page 16: Setting The Primary Source

    Configuring the system Configuration system (cont.) Buttons: ■ "BW30x.Bxxx" Selection list for heat pump type "Version AS"/"Version BS" ■ Selection: "AS" System may be operated only as 2-stage. "BS" System may also be operated as single stage. (Also applies to "CS") Setting the primary source Fig.

  • Page 17: Activating External Control

    Configuring the system Configuration system (cont.) Activating external control Fig. 10 Buttons: Description/external control options "External control" ■ Setting up external control: Only the heat pump, primary pump and secondary – Set the properties under "Parameter system con- pump are controlled. External control is possible for troller"...

  • Page 18: Heating Circuits And Buffer Cylinder

    Configuring the system Configuration system (cont.) Heating circuits and buffer cylinder Note For heat pumps with rotary screw compressor, see page 23. Fig. 11 Note ■ "OT" (outside temperature) When selected, the button will turn green. – The outside temperature determines the flow tem- peratures of the heating circuits based on the pro- Buttons: grammed heating curves.

  • Page 19: Selecting The Dhw Heater

    Configuring the system Configuration system (cont.) ■ "External heating" – The booster heater (accessories) is switched on if the heat pump does not reach a certain minimum flow temperature. – It is adjusted in the detailed system view of the booster heater.

  • Page 20: Cooling Circuits

    Configuring the system Configuration system (cont.) Buttons: Note ■ "DHW" The set DHW temperature is set in parameter "DHW Specifies whether the system heats the DHW. cylinder". "DHW circ." ■ Specifies whether a DHW circulation pump is instal- led. ■ "El.
  • Page 21 The cooling and natural cooling "Set val." and "Curve" buttons can be found here. ■ "Natural cooling" "Vitotronic SPS" operating instructions Natural cooling only, without "Cylinder" Note – If "Direct" has been selected, the "Set val.

  • Page 22: Residual Heat Selection

    Configuring the system Configuration system (cont.) Residual heat selection Fig. 14 Note ■ "Re-cooling via geoth. pr." When selected, the button will turn green. The heat is only transferred to the geothermal probes. Buttons: ■ "Confirm!" ■ "Resid. heat" Completing the system configuration Specifies whether the system has a residual heat Note component...

  • Page 23: Heating/Cooling (Heat Pumps With Rotary Screw Compressor Only)

    "Cold water" pages, on each of which the "Set cylinder val." button can be found. ■ "Confirm!" "Vitotronic SPS" operating instructions Completing the system configuration Note – If "Direct" has been selected, the "Set val. The system configuration must be saved on the direct"...

  • Page 24: System Parameters

    Configuring the system System parameters Here, parameters and operating modes can be speci- fied that cannot be accessed via the graphic illustration of the system components. Under "Heating system", mainly higher ranking functions are specified. Call up with ■ å ■...

  • Page 25: Sensors

    Configuring the system System parameters (cont.) Sensors Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter sys." ■ "Sensors" ■ Fig. 17 Buttons: "Reset" ■ ■ "Sensor installed"/"Not installed" Resets the average outside temperature. The outside temperature sensor can be disabled for In the "Averaging hrs"...

  • Page 26: Heat Pump Parameters

    Configuring the system System parameters (cont.) Heat pump parameters Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter sys." ■ "Heat pump" ■ Fig. 18 The cylinders have adjustable switching thresholds for Parameters: switching cylinder charging on and off. ■...
  • Page 27 "Minimum limit evaporator outlet" in such a way that this will be the case for all operating Minimum temperature at evaporator outlet during situations. If in doubt, consult Viessmann on this mat- heating mode; see "Notes on application limit" ter.
  • Page 28 Configuring the system System parameters (cont.) Examples Fig. 19 Example Set temperature °C (heating water buffer cylinder) Output controller fac- Actual temperature °C Condenser spread Set output 52.5 Explanation The set output changes because the output controller factor changes. Examples 1 to 4: Examples 10 and 11: The set output falls because the actual temperature is The set output changes because the differential...

  • Page 29: System Parameters

    Configuring the system System parameters (cont.) System parameters On the "Parameter sys." page, mainly higher ranking functions are specified. Call up with ■ å "Configuration" ■ ■ "Configuration" ■ "Parameter sys." ■ "Heating system" Fig. 20...
  • Page 30 Configuring the system System parameters (cont.) Parameters: ■ "Options natural cooling" ■ "Parameter heating properties" – "Interval test natural cooling possible" "Maximum differential secondary to cylinder" Interval following which the system will test – At a value of 0, the set output is reduced as soon whether the temperature of the refrigeration source as the condenser return temperature has reached has fallen far enough again, after natural cooling...

  • Page 31: System Controller Configuration

    Configuring the system System controller configuration Call up with ■ å "Configuration" ■ "Configuration" ■ ■ "Parameter system controller" Fig. 21...

  • Page 32: External Control Settings

    Configuring the system System controller configuration (cont.) External control settings Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter system controller" ■ "Settings external control" ■ Fig. 22 Buttons: "Fixed set val. cooling in °C" ■ ■ "Mode of control" –...

  • Page 33: Ethernet Settings

    Configuring the system System controller configuration (cont.) ■ "Save and go back" Save settings and go back one page "Back" ■ One page back Ethernet settings Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter system controller" ■ "Settings Ethernet" ■...

  • Page 34: Modbus Settings

    Configuring the system System controller configuration (cont.) Once the system is connected to an existing network, Buttons: the settings "IP addrss", "Subnet mask" and ■ "Save and go back" "Default router" must be agreed with the network Save settings and go back one page administrator.
  • Page 35 Configuring the system System controller configuration (cont.) Fig. 24 Buttons and parameters: "Modbus Unit Identifier (UID)" ■ ■ "Communication interface" Number of Modbus unit Choosing the Modbus transfer type ■ "Save and go back" – Note Save settings and go back one page "Modbus TCP"...

  • Page 36: Cascade Settings

    Configuring the system System controller configuration (cont.) Cascade settings Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter system controller" ■ "Cascade settings" ■ Fig. 25 Buttons and parameters: "Activate cascade" ■ ■ "Cascade present:" Adopt settings Is there a cascade? " Y"/"No" ■...

  • Page 37: Alarm Email Settings

    Configuring the system System controller configuration (cont.) Alarm email settings Call up with ■ å ■ "Configuration" ■ "Configuration" "Parameter system controller" ■ "Settings alarm email" ■ Fig. 26 These parameters must be determined and set by the Note operator. ■...

  • Page 38: Dhw Heating

    Configuring the system DHW heating Call up with ■ å "System" ■ "DHW heater" ■ Fig. 27 Emergency heating operating mode Blue: Green: ON (The operating mode can be set on a separate page. In addition, the hours run and start sequences can be displayed.) Note ■...

  • Page 39: Operating Status Dhw

    Configuring the system DHW heating (cont.) Operating status DHW Call up with ■ "DHW heater" "Set val." ■ ■ å ■ "System" Fig. 28 The following settings can be changed: "Pasteurisation ctrl" (additional DHW heating func- ■ tion) Once a week, the temperature in the DHW cylinder is increased to kill off legionella.
  • Page 40 Configuring the system DHW heating (cont.) ■ "Settings switching prop. DHW heating" ■ "Set val." Detailed settings of the start and stop thresholds – "Legionella" (hysteresis) Set value during "Pasteurisation ctrl" Changes can be made only with the service pass- Note word.

  • Page 41: Communication

    Configuring the system Communication Modbus data transfer Modbus connection via RS485: Pin1 X1 Pin10 X2 Pin1 Pin8 X19 X13 X11 Pin8 Pin1 Fig. 29 Note The RS485 interface is on X16. Pin arrangement RJ45 Pin1 Pin8 Pin1 Fig. 30 Not allocated Termination+ /RX/TX /RX/TX...

  • Page 42: Bacnet For Vitotronic Sps

    ■ DHW cylinder temperature top/bottom ■ Physical BACnet interfaces ■ Outlet temperature (flow temperature) The Vitotronic SPS system controller can be connec- ■ Return temperature ted to the control system via Ethernet (BACnet/IP). To ■ Flow temperatures of heating circuits...

  • Page 43: Email Transmission On Alarm

    Configuring the system Communication (cont.) Multi stage enabling (terminals X19.4 and X19.6) Both inputs are binary coded so that four different states can be covered. These inputs are taken into account if "Direct ctrl sig- The following table shows the four states and what nals"...

  • Page 44: Troubleshooting Alarm List

    Troubleshooting Alarm list Faults will trigger fault messages. For an overview of the fault messages, see page 45. On the start page, the following symbol flashes: Call up with: Note ■ å to call up the "Alarm list" page. ■ "Alarm list"...

  • Page 45: Explanation Of The Alarms

    Troubleshooting Explanation of the alarms ■ The system is no longer in standard mode. The fault should be remedied without delay. The central fault message connection is activated. ■ ■ Messaging via a communication facility (website or Modbus) is possible. Overview of fault messages Note You may acknowledge the following fault messages at...
  • Page 46 Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "Sensor outside measuring The heating circuit pump for Flow temperature sensor for range" heating circuit 3 remains off. heating circuit 3 or connecting lead faulty "Sensor outside measuring No DHW heating Lower cylinder temperature range"...
  • Page 47 Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "Sensor outside measuring Heating water buffer cylinder Upper temperature sensor in range" is no longer charged heating water buffer cylinder or connecting lead faulty "Sensor outside measuring The heat pump is switched Low pressure sensor or con- range"...
  • Page 48 Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "Alarm, flow weak, evapo- The heat pump is switched Flow rate through evaporator rator" too low, ΔT inlet/outlet > 10 K. Evaporator contaminated ■ Circulation pump faulty ■ A shut-off damper is closed ■...
  • Page 49 Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "High press. (transmitter)" All compressors are switched Pressure on the high pressure off. side has risen above the maxi- mum permissible level. Heat can no longer be dissipated. Circulation pump faulty or ■...
  • Page 50 Faults may cause consequential damage. Do not repeatedly acknowledge fault messages. If the cause of the fault cannot be remedied, please contact your heating contractor or Viessmann Service. Faults with risk of consequential damage Pp. No. Fault message Effect Cause "Winding protection com-...
  • Page 51 Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "Oil pressure comp. 2" Compressor 2 is switched off Too little pressure differential across the compressor oil pump (no oil delivered) Compressor has too little or ■ no oil. Oil pump faulty ■...

  • Page 52: Conditions For Enabling And Automatic Starting Of Heat Pump

    Troubleshooting Overview of fault messages (cont.) Pp. No. Fault message Effect Cause "Compressor temperature Compressor 1 is switched off Temperature in compressor C1 too high" too high Superheating at expansion ■ valve EEV too high Lack of refrigerant ■ Primary and/or secondary ■...

  • Page 53: Nothing Displayed On Programming Unit Screen

    Troubleshooting Conditions for enabling and automatic starting… (cont.) 1. Conditions for "Enable heat pump" ■ Power supply utility enable (in status indicator) Switch on heat pump page (system ON/OFF) ■ System ON/OFF switch on main page (in status ■ indicator) ■...

  • Page 54: Diagnosis Overall Hydraulic Diagram

    Diagnosis Overall hydraulic diagram Fig. 32 Black lines: Lead heat pump Grey lines: Lag heat pump or DHW circulation...
  • Page 55 Diagnosis Overall hydraulic diagram (cont.) Note This scheme is a general example without shut-off valves or safety equipment. This does not replace the need for on-site engineering. Determine the type of heat source, groundwater or geothermal probe during the engineering process.
  • Page 56 Diagnosis Overall hydraulic diagram (cont.) Pos. Designation Heat exchanger, natural cooling/cooling Coolant temperature sensor Coolant buffer cylinder Coolant set circulation pump Buffer temperature sensor, top Buffer temperature sensor, bottom 3-way mixer, natural cooling/3-way diverter valve, cooling mode Underfloor heating circuit/cooling circuit M1 Flow temperature sensor Safety temperature sensor, underfloor heating system (only for external control;...

  • Page 57: Operating Conditions And Actuator Tests

    Diagnosis Operating conditions and actuator tests Circulation pumps Fig. 33 The following information is displayed: Buttons: "Operation" "Ackn." ■ ■ Green: Pump is on Acknowledges all alarms. See page 44. Blue: Pump is off ■ "Reset meter" ■ "Manual activatn" Touch for at least 2 seconds to reset "Hours run"...

  • Page 58: Diverter Valve

    Diagnosis Operating conditions and actuator tests (cont.) Diverter valve Fig. 34 The switch position of the diverter valve can be In automatic mode, the switch position is determined changed by hand if the "Op. mode" is switched to by the heat pump. "Mnual".

  • Page 59: Compressor

    Diagnosis Operating conditions and actuator tests (cont.) Compressor Call up with "Heat pump" ■ ■ ■ Compressor symbol "C1"/"C2" å ■ "System" Fig. 35 The following information is displayed: ■ "RESET meter" ■ "Operation" Touch for at least 2 seconds to reset "Hours run" Green: Compressor is on and "Starts"...

  • Page 60: System Info

    Diagnosis System info Call up with ■ å "System info" ■ Fig. 36 The following information is displayed: "Op. mode" "Last operation" ■ "Autonom." The heat pump controls all pumps Time of last operation. and buffer cylinders itself. Time format: hhmm "External con- The heat pump is controlled by a Date format: YYYYMMDD...

  • Page 61: Checking The Temperature Sensors

    Diagnosis Checking the temperature sensors All temperature sensors used are Pt1000 sensors. Fault messages also appear if there is a break in the The heat pump control unit reports a temperature sen- connecting lead or if the resistance has dropped due to sor fault if the measured temperature is not within the moisture or dirt on the connections.

  • Page 62: Pcbs And Connection Main Pcb

    PCBs and connection options Main PCB Pin1 X1 Pin10 X2 Pin1 Pin8 X19 X13 X11 Pin8 Pin1 Fig. 38 Note Type A = Vitocal 300-G/W Pro SPS The following terminal assignments relate only to the Type B = Vitocal 350-G Pro Vitocal 300-G/W Pro SPS, Vitocal 350-G Pro and Type C = Vitocal 350-G Pro up to 1.1 MW (screw sys- Vitocal 350-G Pro up to 1.1 MW (with rotary screw...
  • Page 63 PCBs and connection options Main PCB (cont.) Connection Terminal Address Pos. no. Type Explanation Relay OUT X4 R3 CO Heating circuit pump, heating circuit 1 Circulation pump, condenser 2 R4 CO Heating circuit pump, heating circuit 2 R5 CO Heating circuit pump, heating circuit 3 R6 CO Loading pump, DHW cylinder R7 CO...
  • Page 64 PCBs and connection options Main PCB (cont.) Connection Terminal Address Pos. no. Type Explanation Digital IN X11 DI 0 Motor protection compressor 1 DI 1 High pressure control, compressor 1 DI 2 Safety chain, compressor 1 DI 3 Motor protection compressor 2 DI 4 High pressure control, compressor 2 Digital IN X12...

  • Page 65: Options Expansion Pcb

    PCBs and connection options Expansion PCB Fig. 39 Note Type A = Vitocal 300-G/W Pro SPS The following terminal assignments relate only to the Type B = Vitocal 350-G Pro Vitocal 300-G/W Pro SPS, Vitocal 350-G Pro and Type C = Vitocal 350-G Pro up to 1.1 MW (screw sys- Vitocal 350-G Pro up to 1.1 MW (screw systems).
  • Page 66 PCBs and connection options Expansion PCB (cont.) Connection Terminal Address Pos. no. Type Explanation Digital OUT X22 DI 8 Diverter valve 2, coolant EVD1 DI1 cooling, compressor 1, small DI 9 Diverter valve natural cooling to cool- EVD1 DI2 exp. CC1 DI 10 Diverter valve cooling, cooling circuit EVD2 DI1 cooling, compressor 2,...
  • Page 67 PCBs and connection options Expansion PCB (cont.) Connection Terminal Address Pos. no. Type Explanation Analogue IN X26 AI 6 Flow temperature, DHW cylinder heating Temperature, compressor 1 AI 7 Heat exchanger temperature, brine inlet Temperature, compressor 2 AI 8 Heat exchanger temperature, brine outlet Temperature, hot gas, compressor 1 AI 9...

  • Page 68: Certificates Declaration Of Conformity

    Certificates Declaration of conformity Installation and service instructions of the rele- vant heat pump.

  • Page 69: Keyword Index

    Keyword index Keyword index Actuator test............... 57 Main PCB..............62 Alarm email............37, 43 Modbus..............34, 41 Alarm list..............44 Alarms................ 45 Application limits............27 Operating conditions..........57 Overall hydraulic diagram.......... 54 BACnet...............42 Parameters..............24 – Heat pump...............26 Cascade..............36 – Sensors..............25 Communication............
  • Page 72 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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