SystemAir SAVE VSR 150/B Installation And Service
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SystemAir SAVE VSR 150/B Installation And Service

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SAVE VSR 150/B
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Installation and Service
Document in original language | 211456 · A001

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  • Page 1 SAVE VSR 150/B Installation and Service Document in original language | 211456 · A001...
  • Page 2 This also applies to products already ordered, as long as it does not affect the previously agreed specifications. Systemair is not liable or bound by the warranty if these instructions are not adhered to during installation or service. 211456 | A001...

  • Page 3: Table Of Contents

    Contents Declaration of Conformity .........1 8.7.1 Unit Information ....15 8.7.2 Alarms ......... 16 Disposal and recycling ........2 8.7.3 Week Schedule...... 19 Warnings............2 8.7.4 Filter ......... 20 About this document........2 8.7.5 System Preferences..... 21 Product information .........2 8.7.6 Service ....... 21 General ..........2 8.7.7 Help ........

  • Page 5: Declaration Of Conformity

    Heat recovery ventilation unit: SAVE VSR 150/B (The declaration applies only to product in the condition it was delivered in and installed in the facility in accordance with the included installation instructions. The insurance does not cover components that are added or actions carried out subsequently on the product).

  • Page 6: Disposal And Recycling

    Product information General The SAVE VSR 150/B is a heat recovery ventilation unit, with two built in rotating heat exchangers. The SAVE VSR 150/ B is suitable for houses with up to 100 m heated living area.

  • Page 7: Installation Recommendation Regarding Condensation

    Transport and storage The SAVE VSR 150/B should be stored and transported in such a way that it is protected against physical damage that can harm panels etc. It should be covered so dust, rain and snow cannot enter and damage the unit and its components.

  • Page 8: Technical Data

    | Product information The appliance is delivered in one piece containing all necessary components, wrapped in plastic on a pallet for easy transportation. Technical data 5.4.1 Dimensions and Weight Fig. 1 Dimensions The unit weight is 47 kg. 211456 | A001...

  • Page 9: Duct Connections

    Systemair products. Where/how to install The SAVE VSR 150/B should preferably be installed in a separate room (e.g. storeroom, laundry room or similar.), but can also be installed in the kitchen or installed flushed in the ceiling.

  • Page 10: Installing The Unit

    The SAVE VSR 150/B is supplied with approximately 2 m cable and plug for 230V, single phase earthed connection. Recommended installation location for the outdoor air intake is the northern or eastern side of the building and with a distance to openings for discharge of stale ventilation air, kitchen ventilator, central vacuum system, waste water drain- age and other pollution sources like exhaust from traffic etc.

  • Page 11: Electrical Connections

    2. To remove the print card, loosen and remove the screw (2) holding the print card. 3. Flip the print card outwards. Main board layout The SAVE VSR 150/B is equipped with built-in regulation and internal wiring. The figure shows the main circuit board. See wiring diagram for more information. 211456 | A001...
  • Page 12 | Electrical connections Fig. 5 Main circuit board connections Position Description Main circuit board Connection to the external connection box Terminals for a heater Terminals for a TRIAC Terminals for the mains power supply Terminals for power supply of extract air fan Terminals for power supply of supply air fan Terminals for internal relative humidity/temperature sensor Analog input 1 —...

  • Page 13: External Connections (Connection Board)

    SAVECair control | External connections (Connection board) External connections to the main circuit board are done via connection board situated inside of the unit. Fig. 6 External connection box and board Position Description Connection to the main circuit board Connection for external control panel (HMI) or Internet access module (IAM) Modbus RS485 connection AI6–7 Freely configurable Analog input.

  • Page 14: Menu Overview

    | SAVECair control On and Off slider to activate or Back button to return to a previous deactivate a function. White bubble — menu, located at the upper left corner function is inactive, green bubble — function is active. Up arrow to increase a value Button to cancel changes CANCEL Buttons to confirm changes...

  • Page 15: Home Screen

    SAVECair control | Home screen Touching home icon (pos. A) in drop- down menu list (pos. 1) will always returns you to home screen after commissioning. 1. Drop-down menu list 2. Active user mode 3. Airflow settings 4. Temperature settings 5.
  • Page 16 | SAVECair control Icon Text Description Sets speed of both supply and extract air fans to Low levels when user is away from home for a long period of time. HOLIDAY ECO mode is active. Delay in days. Sets speed of both supply and extract air fans to maximum High levels and temperature setpoint offset to –3 K when apartment is more crowded than usual.

  • Page 17: Temperature Settings

    SAVECair control | 8.5.2 Temperature settings Temperature can be set at SET TEMPERATURE menu accessible from the home screen by touching TEMPERATURE icon with thermometer. Default temperature value is 18°C (range 12–30°C). Use up and down arrows or a slider to change the value. Then touch the SET to confirm changes.

  • Page 18: Indoor Air Quality

    | SAVECair control Important It is not recommended to set fan to Off in standard households. If manual fan stop is activated, the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold draught and risk of condensation when the unit has been stopped.

  • Page 19: Main Menu

    SAVECair control | Icon Text Description Function prevents formation of the ice on the heat exchanger during cold Defrosting outdoor temperatures. Warm air from the living space is used to defrost the heat exchanger using a damper inside the outdoor air duct. The unit switches from outdoor air to Secondary air secondary air while the extract air fan stops and warm secondary air increases the temperature inside the heat exchanger.

  • Page 20: Alarms

    | SAVECair control 8.7.1.1 Components Type and settings of heat exchanger, heater, cooler, extra controller. 8.7.1.2 Sensors Values from sensors and load of fans (rpm). 8.7.1.3 Input Status Status of configured analog, digital and universal inputs. Connected component type and raw value (volts) is displayed. 8.7.1.4 Output Status Status of configured analog, digital and universal outputs.
  • Page 21 SAVECair control | Alarm name Explanation Do the following Indicates failure of pre-heater to Check the pre-heater reset button. Defrosting error preheat the incoming outdoor air (in Check the pre-heater cabling. case Extra controller is configured as Contact your installation company or place of purchase.
  • Page 22 | SAVECair control Alarm name Explanation Do the following Rotor guard Indicates a rotor malfunction. If the rotating heat exchanger has No rotation guard signal for 180 stopped. Check the rotor belt. seconds. If the heat exchanger is still rotating, check that the quick connector for the sensor is connected and that there is an air gap of 5-10 mm...

  • Page 23: Week Schedule

    SAVECair control | Alarm name Explanation Do the following Time for filter change. Change the filter. Filter Change filter according to the instructions in the User Manual. Details about filter retailers can be found in Help menu. Extra controller alarm Error from external device.

  • Page 24: Filter

    | SAVECair control 8.7.3.1 Schedule airflow settings Touch settings icon to go to SCHEDULE AIRFLOW SETTINGS menu. In this menu set airflow level for scheduled and unscheduled periods. Available levels: Off, Low, Normal, High or Demand. Set temperature setpoint offset for both periods (-10°C – 0°C). Demand level is available only if Demand Control or External fan function is active.

  • Page 25: System Preferences

    SAVECair control | 8.7.5 System Preferences Configuration of unit location, language and time. Change the following information: • Language (default language is English) • Country (default country is UK) • Unit address (address, post code) • Unit date and time, activate or deactivate summer/winter time switch. Time will automatically change between summertime and wintertime according to European standard, based on Greenwich time zone and set unit location.
  • Page 26 | SAVECair control 8.7.6.2 Output Configuration of outputs. Settings for analog, digital and universal output terminals on the main board and connection board, configuration of functionality. Fan output PWM (Pulse-width modulation) signal and triac output are already pre-addressed to specific terminals and cannot be changed, all other outputs are free for configuration by commissioning.
  • Page 27 SAVECair control | • Set outdoor air temperature interlock. Default setting is 10°C. Range: 0–20°C. • Set actuator type. Default value is 0–10 V Range: 0–10 V / 2–10 V / 10–0 V / 10–2 V. • Set circulation pump stop delay. Default setting is 5 minutes. This option is available if Water / Change-over heat- er type is selected.
  • Page 28 | SAVECair control Pressure Setting Flow (CAV) Manual External (VAV) Pa, inwc Airflow l/s, m /h, cfm measurement unit. P-Band 0–100% 0–3000 rpm 0–500 Pa 0–100% Default setting: 150 Pa I-time Off / 1–240 sec. Off / 1–240 sec. Off / 1–240 sec. Off / 1–240 sec.
  • Page 29 SAVECair control | Set I-time, default setting is Off, Range: Off/1–120 sec. • Select airflow level for Improving Air Quality. Range: Normal / High / Max. • Select airflow level for Good Air Quality. Range: Low / Normal. RH Transfer Control Note: Setting is available if heat exchanger type is set as Rotating.
  • Page 30 Fan speed differ for each household because of different unit size, duct system and system pressure. In order to find correct fan speed, external tool must be used at Systemair website. 1. Go to Systemair website and find your unit.

  • Page 31: Help

    SAVECair control | • Shows communication information for HMI. Modbus device number (1–10) and Modbus termination: Active/ Inactive. 8.7.6.7 Logs Information about alarms, fans and parameters are stored in Logs menu. Fans Levels • Time counter for each supply air fan level duration is displayed. Counted and total time. Reset counted time. Level 1: 0% Level 2: 1–29% Level 3: 30–44%...

  • Page 32: Service

    | Service • Alarms— detailed description of all alarms. • Troubleshooting— information about all different possible malfunctions. Service Warnings Danger • Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work! • All electrical connections and maintenance work must be carried out by an authorized installer and in accordance with local rules and regulations.

  • Page 33: Component Descriptions

    The filter type is labelled on the top of the filter 9.2.1.3 Heat exchanger SAVE VSR 150/B is equipped with two rotating heat exchangers. Required supply air temperature is therefore normally maintained without adding additional heat. The heat exchanger is removable for cleaning and maintenance, see “User Manual” for more information.

  • Page 34: Troubleshooting

    | Service The re-heater is activated by a relay and switches on if the supply air temperature is lower than the set point and switches off if one or more of the following conditions are met: 1. If the supply air temperature is above the set point. 2.
  • Page 35 Service | Action Malfunction 1. Check the HMI for alarms. 2. Check that all fuses and fast couplings are connected (main power supply and fast Fans do not start couplings for supply and extract air fans). 3. Check that the week schedule is ON and running in AUTO mode. The week schedule might be in OFF mode with the air flow set to OFF (chapter 8.7.3).

  • Page 36: Accessories

    | Accessories Accessories SAVE VSR 150/B have many available accessories that can be used to expand functionality of the unit and increase comfort level. Recommended accessories can be always found at Systemair website www.systemair.com by searching the article number or the name of the desired accessory.

  • Page 37: 10.3 Temperature Control

    • 3 — Extract air • 4 — Exhaust air Component/product — Article number: • Systemair-1 CO2 duct sensor — 14906 • Systemair-E CO2 sensor — 14904 • Room sensor 0-50C (temperature) — 211525 • Systemair-E CO2 RH Temperature — 211522 Installation and connection 1.

  • Page 38: Duct Water Heater

    | Accessories Electrical pre-heater can be installed in the outdoor air duct to pre-heat outdoor air before it reaches the unit and pre- vent icing in the heat exchanger. • PH — electrical pre-heater • ECT — extra controller temperature sensor •...
  • Page 39 Accessories | A duct water heating battery is supposed to be installed in supply air duct. • WH — water heating battery • FPT — frost protection sensor • SAT — supply air temperature sensor • S — actuator for valve •...

  • Page 40: Duct Water Cooler

    | Accessories 3. Activate the actuator. Go to Components menu, select Heater menu and select type as Water. Choose actuator voltage type. Do advanced settings if necessary. 4. Configure connection of the water heater. Go to Service menu. Select Output menu. In next menu select ANALOG tab.

  • Page 41: Change-Over Coil (Dx)

    Accessories | Note: A duct temperature sensor can be connected to analog inputs 6–7 on the connection board for better access when the internal supply air temperature sensor is disabled in the control panel. Fig. 15 Duct cooler connections Configuration 1.
  • Page 42 | Accessories Installation and connection 1. Install water heater in the duct. Connect pipes, 2/3–way valve and actuator. Important Do NOT use 24V DC power output from the connection board for valve actuator. 2. Connect actuator (S) to any free analog output. 3.

  • Page 43: 10.4 Airflow Control

    Accessories | Example if it is connected to DO3 on the connection board, then select DIGITAL OUTPUT 3 and select Activate Cooling from the output type list. 10.4 Airflow control 10.4.1 VAV/CAV conversion kit The VAV/CAV conversion kit SAVECair is used for VAV/CAV control of residential units. Note: The accessory package contains all needed parts for VAV conversion, however for use with CAV, an IRIS damper or a similar device with known K factor has to be purchased.

  • Page 44: 10.6 Filters

    DIGITAL OUTPUT 3 and select signal type as Outdoor-/Exhaust Air Damper from the output type list. 10.6 Filters The filters need to be replaced when polluted. New sets of filters, if possible, should be acquired directly from Systemair to meet filter quality standards. If that is not possible, please contact your installer or wholesaler.
  • Page 45 211456 | A001...
  • Page 46 Systemair UAB Linų st. 101 LT–20174 Ukmergė, LITHUANIA Phone +370 340 60165 Fax +370 340 60166 www.systemair.com...

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