SystemAir SAVE VTR 300/B User Manual
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SystemAir SAVE VTR 300/B User Manual

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SAVE VTR 300/B
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User Manual
Document in original language | 211476 · A001

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Summary of Contents for SystemAir SAVE VTR 300/B

  • Page 1 SAVE VTR 300/B User Manual Document in original language | 211476 · A001...
  • Page 2 © Copyright Systemair UAB All rights reserved E&OE Systemair UAB reserves the rights to alter their products without notice. This also applies to products already ordered, as long as it does not affect the previously agreed specifications. 211476 | A001...

  • Page 3: Table Of Contents

    Contents Disposal and recycling ........1 Checking and cleaning the duct system ..........15 Warnings............1 Troubleshooting..........16 Type label............2 Alarms ............17 QR code ..........2 Alarm list..........17 Product description..........2 Left and Right models ......2 SAVECair control ..........3 General ..........3 Startup wizard ........3 Common symbols........3 Menu overview ........4 Home screen.........5...

  • Page 5: Disposal And Recycling

    Disposal and recycling | Disposal and recycling This product is compliant to the WEEE directive. When disposing the unit, follow your local rules and regulations. This product packing materials are recyclable and can be reused. Do not dispose in household waste.

  • Page 6: Type Label

    Fig. 2 Example of QR code label Product description The SAVE VTR 300/B is a heat recovery ventilation unit with a built in rotating heat exchanger. The SAVE VTR 300/B is suitable for houses with up to 240 m heated living area. It supplies filtered outdoor air to residential areas and extract air from bathroom, kitchen and wet rooms.

  • Page 7: Savecair Control

    SAVECair control | Note: This document describes a left (L) model. The inside of a right (R) model is mirrored. SAVECair control General SAVECair is a modern touchscreen LCD control panel, simply known as HMI — Human Machine Interface. The touchscreen display provides information about current state of the unit and allows you to control all system functions.

  • Page 8: Menu Overview

    | SAVECair control Menu overview A. Return to home screen B. Basic read-only information about the unit C. Currently active alarms and alarm history D. Configure and check week schedule E. Check and change remaining time till filter change F. General system preferences G.

  • Page 9: 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 10 | 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 11: Temperature Settings

    SAVECair control | 5.5.2 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 12: 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 13: Week Schedule

    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 14: Maintenance Of The Unit

    Scheduled time period is displayed in blue colour on the clock (pos. 4). Maintenance of the unit Maintenance of the SAVE VTR 300/B should normally be performed 3 - 4 times a year. Warnings Danger •...

  • Page 15: Resetting The Filter Time

    Maintenance of the unit | The factory installed filters are of filter quality F7 for the supply air and G3 for the extract air filter. The filters need to be replaced when polluted. New sets of filters can be acquired from your installer or wholesaler. Filter quality G3 can be installed for supply air filtering.

  • Page 16: Cleaning The Fans

    | Maintenance of the unit Fig. 4 Heat exchanger Even if the required maintenance is carried out, dust will build up in the exchanger block. It is therefore of vital impor- tance for the upkeep of a high efficiency that the exchanger block is removed from the unit and cleaned periodically as described below.

  • Page 17: Replacing Rotor Drive Belt

    Maintenance of the unit | Fig. 5 Extract and supply air fans The motor bearings are life time lubricated and maintenance free. Even if the required maintenance, such as changing of filters is carried out, dust and grease may slowly build up inside the fans.

  • Page 18: Heat Exchanger Mounted

    | Maintenance of the unit Warning Risk of personal injury! The heat exchanger weighs about 14 kg. There is a risk that the heat exchanger falls out of the unit. Make sure that small children are not beneath the unit when the heat exchanger is removed! Fig.

  • Page 19: Overheat Protection Reset Button

    Duct system maintenance | 8. Pull the drive belt on to the belt pulley and rotate the exchanger by hand. Check that the belt pulley rotates. Note: If the drive belt slips, the drive belt may be too long and needs to be shortened. Cut the drive belt 5 mm and go to step 7.
  • Page 20 | Troubleshooting The duct runs should therefore be cleaned/changed when necessary. Steel ducts can be cleaned by pulling a brush soaked in hot soapy water through the duct via diffuser/louvre openings or special inspection hatches in the duct sys- tem (if fitted). It is recommended to do this every 5 years and is normally carried out by authorized companies specialized in this area.
  • Page 21 Alarms | Action Malfunction 1. Check the display for alarms. 2. Check the active user functions in HMI screen if Defrosting function is running. 3. Check set supply air temperature in the HMI. 4. Check if ECO mode is activated in HMI (it is a power saving function and prevents the heater from activating).
  • Page 22 | Alarms Alarm name Explanation Do the following Rotation speed of the supply air fan Check quick connectors of the fan. Supply air fan rpm is lower than minimum required. Fan Contact your installation company or malfunction. place of purchase. •...
  • Page 23 Alarms | Alarm name Explanation Do the following Secondary air defrosting failed. Check if secondary air damper is in Secondary air damper Outdoor air temperature sensor correct position. measures < 10°C in 2 sec after Check that damper is connected defrosting properly and cable is not damaged.
  • Page 24 | Alarms Alarm name Explanation Do the following External stop Unit is stopped by external signal. Operation is stopped by digital signal from external remote device or signal from building management system. Manual fan stop active Operation stopped, fans are in Select another speed of fans (LOW / manual mode and selected as OFF.
  • Page 25 Systemair UAB Linų st. 101 LT–20174 Ukmergė, LITHUANIA Phone +370 340 60165 Fax +370 340 60166 www.systemair.com...

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