Viessmann LB1 Installation And Service Instructions For Contractors
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Viessmann LB1 Installation And Service Instructions For Contractors

Ventilation programming unit programming unit for mechanical ventilation systems with heat recovery
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VIESMANN
Installation and service instructions
for contractors
Ventilation programming unit
Type LB1
Programming unit for mechanical ventilation systems with heat recovery
Ventilation programming unit
Please keep safe.
5816558 GB
8/2020

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  • Page 1 VIESMANN Installation and service instructions for contractors Ventilation programming unit Type LB1 Programming unit for mechanical ventilation systems with heat recovery Ventilation programming unit Please keep safe. 5816558 GB 8/2020...
  • Page 2 Safety instructions Safety instructions Please follow these safety instruc- tions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk Details identified by the word "Note" of injury. contain additional information. Please note This symbol warns against the risk of material losses and environmen- tal pollution.
  • Page 3 Please note Repairing components that fulfil a safety function can compromise the safe operation of the system. Replace faulty components only with genuine Viessmann spare parts. Auxiliary components, spare and wearing parts Please note Spare and wearing parts that have...
  • Page 4 Index Index 1. Information Disposal of packaging ................Symbols ....................Intended use ..................Product information ................Spare parts lists .................. ■ 2. Installation sequence Installing the ventilation programming unit ..........Electrical connections ................Vitovent 200-C: Connecting the connecting cable ......10 ■...
  • Page 5 Index Index C1AA Min. temperature, geoth. heat exchanger ......31 C1AB Max. temperature, geoth. heat exchanger ......31 C1B0 Function, input 1 ..............31 C1B1 Min. voltage, input 1 ............... 32 C1C1 Min. voltage, input 2 ............... 32 C1C7 Flow rate correction ..............
  • Page 6 Index Index (cont.) Controlled mechanical ventilation ............47 ■ Passive heating .................. 48 ■ Passive cooling ................... 48 ■ Frost protection ................... 49 ■ Protection against excessively high temperatures ......50 ■ Mechanical ventilation with Vitovent 300-C/300-W ........ 51 Controlled mechanical ventilation ............51 ■...
  • Page 7 Information Disposal of packaging Please dispose of packaging waste in line with statu- tory regulations. Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram:...
  • Page 8 Commissioning (e.g. function check) and diagnosis can be fully operated and the control parameters set (e.g. function diagram, calling up messages) can also with the ventilation programming unit, type LB1. be undertaken at the ventilation programming unit. Changed parameters are transferred to the ventilation controller integrated in the ventilation unit.
  • Page 9 Installation sequence Installing the ventilation programming unit Please note Use the supplied connecting cable: Length 6 m ■ Electrostatic discharge may damage electronic ■ Use telecommunications cable YSTY 4 x 2 x 0.8 (on assemblies. site) as an extension. Prior to commencing any work, touch earthed objects such as heating or water pipes to dis- Note charge static loads.
  • Page 10 Installation sequence Electrical connections (cont.) Vitovent 200-C: Connecting the connecting cable Connect the supplied connecting cable to the Vitovent 200-C control PCB Fig. 2 Control PCBVitovent 200-C Luster terminals Modbus plug, connection J9 to control PCB Power supply plug, connection J4 to control PCB Vitovent 200-C Vitovent 200-C DIP switch...
  • Page 11 Installation and service instructions "Vitovent 200-C" GN YE WH BN GN YE WH BN Fig. 3 Ventilation programming unit, type LB1 Control PCBVitovent 200-C Modbus plug, connection J9 to control PCB Vitovent 200-C Luster terminals Power supply plug, connection J4 to control PCB...
  • Page 12 Vitovent 300-C: Connecting the connecting cable Installation and service instructions "Vitovent 300-C" + - + - + - Fig. 4 Ventilation programming unit, type LB1 Terminal area Vitovent 300-C Modbus plug in ventilation unit Power supply plug for ventilation unit Connection terminals for ventilation programming...
  • Page 13 Installation sequence Installing and removing the programming unit Please note Removing the programming unit The ventilation programming unit, type LB1 is supplied with power via the ventilation unit. Never insert batteries into the battery compart- ment of the wall mounting base.

  • Page 14: Table Of Contents

    Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Checking the electrical connections for firm seating............. 15 • 2. Commissioning........................15 • 3. Setting air flow rates......................15 • 4.

  • Page 15: Checking The Electrical Connections For Firm Seating

    Commissioning, inspection, maintenance Checking the electrical connections for firm seating Danger Check the firm seating of electrical plug-in connectors Contact with live components can lead to seri- and cable entries. ous injury from electric current. Some compo- nents on PCBs remain live even after the power supply has been switched off.

  • Page 16: Adjusting The Air Flow Rates

    Commissioning, inspection, maintenance Setting air flow rates (cont.) Setting the air flow rates for Vitovent 200-C 1. Service menu: 3. Set the air flow rates using the following parame- Press OK + simultaneously and hold for ters: å approx. 4 s. ■...

  • Page 17: Shutting Down The Ventilation Unit

    Adjusting the ventilation programming unit to the ventilation system The parameters of the ventilation programming unit, Parameters for adjusting the ventilation system: See type LB1 must be adjusted to match the ventilation page 19. system equipment. Cleaning and replacing filters Operating instructions "Ventilation programming...

  • Page 18: Instructing The System User

    Commissioning, inspection, maintenance Instructing the system user The installer must instruct the user in the operation of the system.
  • Page 19 1. Extended menu: Setting parameters in the extended menu å Operating instructions "Ventilation programming unit, type LB1" 2. "Service" All parameters are displayed as plain text. A parameter 3. "Parameter level 1" code is also assigned to each parameter.
  • Page 20 Fig. 8 often depend on the type of venti- Standard ventilation lation unit. The values are displayed for almost all parameters in the ventilation programming unit, type LB1. Consequently, values are not lis- C10B ted in the following parameter descriptions.
  • Page 21 "2" Vitovent 200-C is enabled. The parameters Enabling a ventilation unit for operation with the venti- ("7Dxx") associated with this ventilation unit lation programming unit, type LB1 can be set. "3" Vitovent 300-C or Vitovent 300-W is enabled. The ventilation parameters ("7Dxx", "C1xx") associated with this ventilation unit can be set.
  • Page 22 Parameter settings 7D08 Set extract air temperature Note Vitovent Further conditions must be met in order for passive 200-C 300-C 300-W heating and passive cooling to be switched on: See — — "Min. supply air temperature for bypass 7D0F" and chapters "Passive heating", "Passive cooling"...
  • Page 23 Parameter settings 7D0F Min. supply air temperature for bypass (cont.) Outdoor air temperature (heat exchanger air intake) is ≙ Setting 1 0.1 °C > "Min. supply air temperature for bypass 7D0F" plus 0.5 K Note Further conditions must be met in order for passive cooling to be switched on: See "Set extract air tem- perature 7D08"...
  • Page 24 Vitovent If "Intensive mode" has been switched on via the 200-C 300-C 300-W ventilation programming unit, type LB1, "Duration, — — intensive mode 7D85" will display the max. duration. Maximum duration for "Intensive mode" if this func- Setting in min tion was switched on via an external switch or button (bathroom switch).
  • Page 25 Parameter settings 7D5F Starting block, ventilation periods part 2 Example: Vitovent "Bit 1", "Bit 4", "Bit 6" and "Bit 8" are selected: 200-C 300-C 300-W The fans are restarted at 16:00 h, 19:00 h, 21:00 h and — — at 23:00 h. The fans may be switched off to protect the heat Note exchanger from frost, depending on the temperature...
  • Page 26 Parameter settings 7D76 Sensor matching, ODA temp downstream of preheat. coil Recommendation: Vitovent Set the "Standby mode" operating program. After 200-C 300-C 300-W some time, compare the temperature values of all tem- — — perature sensors against each other and/or against a reference temperature.
  • Page 27 (bathroom switch, on site), the max. duration is dis- played as "Duration, bathroom vent. 7D3B". Max. duration for "Intensive mode", if this function ≙ Setting 1 10 min was activated at the ventilation programming unit, type LB1. C101 Preheating coil Vitovent Meaning 200-C 300-C 300-W "Bit 5"...
  • Page 28 Parameter settings C106 CO2 sensor Vitovent Value Meaning 200-C 300-C 300-W "0" sensor is not installed. Do not adjust! — "1" Up to 4 CO sensors are installed in the rooms and connected to terminal X17 on the If CO sensors are installed in the rooms and connec- controller PCB of the ventilation unit.
  • Page 29 Parameter settings C10B Standard ventilation Set the design air flow rate from the engineering Vitovent parameters here. 200-C 300-C 300-W — Setting in m Set air flow rate for the "Standard" operating status in the ventilation time program (ventilation level 3). C10C Intensive ventilation Standard setting values: Vitovent...
  • Page 30 Parameter settings C1A2 Imbalance permitted (cont.) Balancing of flow rate differences Value Meaning "0" Supply air and extract air flow rates are re- ■ Due to the conditions in the building, an unwanted dif- duced for frost protection. ferential may occur between the supply air and extract Both fans are switched off to protect against ■...
  • Page 31 Parameter settings C1A6 Sensitivity, humidity sensor For this a setting range of " 2" (less sensitive) to "+2" – Vitovent (more sensitive) is available. 200-C 300-C 300-W — Sensitivity of the central humidity sensor (accessories): The sensitivity of the humidity control (response char- acteristics) can be adjusted if a humidity sensor is installed in the central extract air duct (header) ("Humidity sensor C105"...
  • Page 32 Parameter settings C1B1 Min. voltage, input 1 If the voltage at input X15.1/X15.2 on the control PCB Vitovent of the ventilation unit exceeds the set value, the air 200-C 300-C 300-W flow rate is decreased. Below this limit the most recent —...
  • Page 33 Parameter settings C1CA CO2 sensor 2 min PPM If the measured CO concentration is between the set Vitovent value and "CO2 sensor 2 max PPM C1CB", the ven- 200-C 300-C 300-W tilation unit can automatically and continuously adjust — — the air flow rate depending on the measured value.
  • Page 34 Parameter settings C1CF CO2 sensor 4 max PPM If the measured CO concentration is between "CO2 Vitovent sensor 4 min PPM C1CE" and the set value, the ven- 200-C 300-C 300-W tilation unit can automatically and continuously adjust — — the air flow rate depending on the measured value.
  • Page 35 Diagnosis Diagnosis (service scans) The following operating data is available in the individ- 2. "Diagnosis" ual groups: ■ Temperature values The following operating data can be called up: ■ Air flow rates ■ "Operating program" ■ Status information, e.g. ON/OFF ■...
  • Page 36 Diagnosis Ventilation: Overview (cont.) Speed, supply air fan Vitovent 200-C: Symbol flashes: Defrost of heat exchanger active Meaning of values and symbols Display Meaning Vitovent 200-C 300-C 300-W Bypass not active: Outdoor air is rout- ed via heat exchanger. Bypass active (passive heating/cool- —...
  • Page 37 Diagnosis Ventilation: Overview (cont.) Display Meaning Vitovent 200-C 300-C 300-W "SUP vol." Supply air flow rate in m "ETA" 20.0 "Set extract air temperature 7D08" — — "Set extract air temperature C108" — 18.0 Actual extract air temperature in °C Ventilation 1.
  • Page 38 Diagnosis Ventilation (cont.) Display Meaning Vitovent 200-C 300-C 300-W "Time until adjust- If "Intensive mode" was switched on externally: ■ — — ment:" Remaining time until "Intensive mode" ends automatically ("Duration, bathroom vent. 7D3B"). If the electric preheating coil is switched on: ■...
  • Page 39 Service functions Factory settings 1. Press OK + simultaneously and hold for "Intensive mode" or "Economy mode" are ■ å approx. 4 s. switched off. ■ "Date" is set to 01.09.2016. 2. "Factory settings" ■ "Language" is set to "German". ■...
  • Page 40 "Exit service", or if no key is pressed for 30 min. Operating instructions "Ventilation programming unit, type LB1" Note If the cause of the fault cannot be removed until a later time, the message will be redisplayed the following day.
  • Page 41 Troubleshooting Message list Vitovent 200-C (cont.) 05. Outdoor air temp. sens. Ventilation unit is switched off. Cause Measure Short circuit/lead break, outdoor air temperature sensor Check resistance value (NTC 10 k ) of ventilation unit Ω sensor: Replace sensor if required: See "Vitovent 200-C"...
  • Page 42 Troubleshooting Message list Vitovent 200-C (cont.) Cause Measure High limit safety cut-out on electric preheating coil has Check electric preheating coil. Replace preheating coil responded. if required. Replace the thermal breakers. 14 Supply air fan Both fans are stopped. Cause Measure Supply air fan blockage, fault or signal interruption Check fan for blockage or contamination.
  • Page 43 Troubleshooting Message list Vitovent 200-C (cont.) E0 Battery Cause Measure If the ventilation unit is isolated from the power supply, Change the batteries in the programming unit. the time must be reset. If the fault recurs, replace the programming unit. E1 Internal memory Cause Measure...
  • Page 44 Troubleshooting Message list Vitovent 300-C/300-W (cont.) Cause Measure Time interval for filter change has expired. Check outdoor air and extract air filters. ■ Clean both filters if required. ■ Replace both filters if required. ■ Reset the filter service indicator. ■...
  • Page 45 Troubleshooting Message list Vitovent 300-C/300-W (cont.) Cause Measure Exhaust air fan blockage, fault or signal interruption Check fan for blockage or contamination. Remove ■ any blockages. Clean fan. Check fan electrical connections and connecting ca- ■ ble. Check fan is mechanically and electrically sound. ■...
  • Page 46 Troubleshooting Message list Vitovent 300-C/300-W (cont.) E0 Battery Cause Measure If the ventilation unit is isolated from the power supply, Change the batteries in the programming unit. the time must be reset. If the fault recurs, replace the programming unit. E1 Internal memory Cause Measure...
  • Page 47 All heat Operating instructions "Ventilation programming exchangers used operate according to the countercur- unit, type LB1" rent principle. This principle allows much of the thermal energy of the extract air to be transferred to the cool ■...
  • Page 48 Function description Mechanical ventilation with Vitovent 200-C (cont.) The bypass is active in the following cases: Note ■ Passive cooling is switched on: See chapter "Pas- To determine the flow rate differential, the captured sive cooling". flow rates of all supply air apertures must be added ■...
  • Page 49 Function description Mechanical ventilation with Vitovent 200-C (cont.) Conditions for passive cooling Passive cooling ON Passive cooling OFF All of the following conditions must be met: One of the following conditions must be met: Outdoor air temperature (heat exchanger air intake) is Outdoor air temperature (heat exchanger air intake) is ■...
  • Page 50 Function description Mechanical ventilation with Vitovent 200-C (cont.) Without electric preheating coil Defrost func- Description Setting tion "7D01" "7D2C" Shutdown of If the heat exchanger is iced-up, both fans are switched off. "0" "0" fans Defrosting via If the heat exchanger is iced-up, the bypass opens and the cool outdoor "0"...
  • Page 51 This contributes to a healthy ambience. Operating instructions "Ventilation programming During heat recovery and humidity control the bypass unit, type LB1" is not active. For passive cooling the bypass is switched on: See "Intensive mode" is limited to "Duration, intensive chapter "Passive cooling".
  • Page 52 Function description Mechanical ventilation with Vitovent 300-C/300-W (cont.) Vitovent 300-C Vitovent 300-W To enable the balancing of flow rate differences ■ With the Vitovent 300-W, the supply air and extract between the supply and extract air sides, "Imbalance air flow rates are automatically balanced by the ven- permitted C1A2"...
  • Page 53 Function description Mechanical ventilation with Vitovent 300-C/300-W (cont.) Enabling required, 3-way diverter damper (on site) Parameter Setting "Preheating coil C101" "65" or "81" Vitovent 300-C: Frost protection with factory-fitted electric preheating coil The factory-fitted electric preheating coil is switched on Danger if the outside temperature falls below 1.5 °C for more...
  • Page 54 The following sensors are required for regulating the Operating instructions "Ventilation programming humidity and/or CO concentration in the building: unit, type LB1" /humidity sensor for Vitovent 300-C: Installation ■ Vitovent 300-C: Humidity/CO control in the room in one room The air flow rate is adjusted subject to the humidity If the humidity in the room exceeds "Min.
  • Page 55 Function description Mechanical ventilation with Vitovent 300-C/300-W (cont.) Enabling required Function Parameter Setting Enabling for processing of analogue signals "Function, input 1 C1B0" "1" at the ventilation unit intake ≙ concentration control "Min. voltage, input 1 C1B1" "40" ( 4 V) ≙...
  • Page 56 Commissioning/service reports Parameters For description of parameters: See page 21. Vitovent 200-C Parameter Code Delivered condition Commission- Maintenance/ service "Enable Vitovent" 7D00 "Enable electric preheating coil" 7D01 ≙ "Set extract air temperature" 7D08 240 ( 24 °C) "Flow rate, reduced ventilation" 7D0A 75 m "Flow rate, nominal ventilation"...
  • Page 57 Commissioning/service reports Parameters (cont.) Vitovent 300-C Parameter Code Delivered condition Commission- Maintenance/ service Enable Vitovent 7D00 Preheating coil C101 Reheater coil C102 Do not adjust! Humidity sensor C105 Set CO2 level C106 Do not adjust! ≙ Set extract air temperature C108 220 ( 22 °C)
  • Page 58 Commissioning/service reports Parameters (cont.) Parameter Code Delivered condition Commission- Maintenance/ service Standard ventilation C10B Type H32S C325: ■ 150 m Type H32S C400: ■ 200 m Intensive ventilation C10C Type H32S C325: ■ 250 m Type H32S C400: ■ 300 m Bypass operation C1A0 Central heating and heat recovery...
  • Page 59 Specification Specification Rated voltage 27 V – Power consumption 0.6 W IP rating IP 30 to EN 60529; ensure through design/installation. Protection class Permissible ambient temperature Operation 5 to +40 °C ■ Installation in living spaces or boiler rooms (standard ambient conditions) Storage and transport 20 to +65 °C...
  • Page 60 Disposal Final decommissioning and disposal Viessmann products can be recycled. Components For decommissioning the system, isolate the system and substances from the system are not part of ordi- from the power supply and allow components to cool nary household waste.
  • Page 61 Declaration of Conformity Declaration of conformity We, Viessmann Werke GmbH & Co. KG, D-35107 Allendorf, declare as sole responsible body that the named product complies with the European directives and supplementary national requirements in terms of its design and operational characteristics.
  • Page 62 Keyword index Keyword index Symbole Cooling via geothermal heat exchanger.....52 3-way diverter damper........27, 52, 54 Correction factor, air flow rate........32 Countercurrent heat exchanger......23, 47 Acknowledging messages..........40 Actual extract air temperature........37 Date, setting............... 15 Actual supply air temperature........36 Defrost function............
  • Page 63 Keyword index Keyword index (cont.) Flow rate, set Message list............39, 40 – Background ventilation..........28 – Vitovent 200-C............40 – Intensive ventilation..........29 – Vitovent 300-C/300-W..........43 – Nominal ventilation..........29 Messages – Reduced ventilation...........22, 28 – Acknowledging............40 Flow rate difference............30 – Calling up..............40 Frost protection............
  • Page 64 Specification...............59 Speed.................15 Standard menu............15 Warning..............40 Status information............35 Wintertime..............34 Summertime...............34 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...

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