SystemAir SAVE VTR 275/B Service & Accessories Installation Manual
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SystemAir SAVE VTR 275/B Service & Accessories Installation Manual

SystemAir SAVE VTR 275/B Service & Accessories Installation Manual

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SAVE VTR 275/B
Service & Accessories Installation Manual
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Document in original language | · v01

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Summary of Contents for SystemAir SAVE VTR 275/B

  • Page 1 SAVE VTR 275/B Service & Accessories Installation Manual Document in original language | · v01...
  • Page 2 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. Systemair is not liable or bound by warranty if these instructions are not adhered to during installation or service. | v01...

  • Page 3: Table Of Contents

    Contents Overview ............1 5.1.1 Setting up remote control of the unit ........31 Warranty ..........1 Indoor air quality sensors ....... 33 Type label..........1 Temperature control ......33 Disposal and recycling ......1 5.3.1 Electric duct heater (control Important Safety Information ......1 via relay) ........

  • Page 5: Overview

    For the assertion of warranty claims, the products must be correctly connected and operated, and used in accordance with the data sheets. Further prerequisites are a completed maintenance plan with no gaps and a commissioning re- port. Systemair will require these in the case of a warranty claim. Type label Before calling your service representative, make a note of the specification and production number from the type label, which can be found on the side of the units, next to the external connections.

  • Page 6: Intended Use

    • Risk of injury due to rotating parts that have not come to a complete standstill after mains supply to the unit have been disconnected. Configuration SAVE VTR 275/B configuration can be done via SAVE Touch control panel or alternatively via a mobile application. Advanced settings cannot be performed using SAVE LIGHT control panel. Startup wizard During the first power up of the unit, you will be asked to set: •...

  • Page 7: Home Screen Overview

    Configuration | 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 8 | Configuration Icon Text Description Automatic airflow control. AUTO mode is available for selection when Demand Control, Week Schedule and/or external fan control functions are configured, otherwise AUTO mode icon won’t be visible in active user modes menu. AUTO AUTO mode activates Demand Control, Week Schedule and/or external fan control functions.
  • Page 9 Configuration | Icon Text Description Configurable digital input for custom user function. Airflow levels for both fans Configurable are freely configurable. Digital Input 1 High–priority function. Configurable digital input for custom user function. Airflow levels for both fans Configurable are freely configurable. Digital Input 2 Mid–priority function.

  • Page 10: Temperature Settings

    | Configuration 3.3.2 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 OK button to confirm changes.

  • Page 11: Indoor Air Quality

    Configuration | Use up and down arrows or a slider to change the airflow value. The airflow may be adjusted in these steps: Off/Low/Normal/High. These settings control output signals to the sup- ply and extract fans. 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 12: Main Menu

    | Configuration Icon Text Description Automatic cooling recovery is active when extract air temperature from apartment is lower than outdoor air temperature and there is a cooling demand (temperature setpoint is lower than outdoor air temperature). Cooling recovery No cooling recovery with heating demand. If the outdoor air temperature is higher than then thee indoor air temperature and there is a heating demand, function Free heating is activated instead.

  • Page 13: Alarms

    Configuration | 3.5.1.2 Sensors Values from sensors and load of fans (rpm). 3.5.1.3 Input Status Status of configured analog, digital and universal inputs. Connected component type and raw value (volts) is displayed. 3.5.1.4 Output Status Status of configured analog, digital and universal outputs. Connected component type and value (volts) is displayed. 3.5.1.5 Unit Version Unit model name, manufacturer number, serial number and unit software versions for Mainboard, HMI and IAM.
  • Page 14 | Configuration Alarm name Explanation Do the following Defrosting error Indicates failure of pre-heater to Check the pre-heater reset button. 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 15 Configuration | Alarm name Explanation Do the following Rotor motor feedback Indicates a rotor malfunction. If the rotating heat exchanger has No feedback signal from the rotor stopped, check the rotor belt. motor for 180 seconds. Replace the belt if it is broken. If the heat exchanger is still not rotating check if the quick connector of the rotary heat exchanger motor...
  • Page 16 | Configuration Alarm name Explanation Do the following Built-in extract air temperature Indicates internal extract air Check that sensor is connected sensor temperature sensor malfunction. properly and cable is not damaged. Active: measured temperature = 0°C Contact your installation company or Returned: measured temperature >...

  • Page 17: Week Schedule

    Configuration | 3.5.3 Week Schedule The unit can be configured to operate at set airflow levels up to two time periods (00:00–23:59) on user selected days. Week Schedule is active only during AUTO mode. It is possible to activate or deactivate digital output for schedule and unscheduled periods. 3.5.3.1 Schedule Airflow Settings Touch settings icon to go to SCHEDULE AIRFLOW SETTINGS menu.

  • Page 18: Filter

    | Configuration Set the time. Touch the START TIME or END TIME values to change time. Use arrow buttons to increase or decrease value. Confirm with OK button. Note: Scheduled time can start but never end at midnight (00:00). The latest END TIME period is 23:59. Scheduled time cannot go to the next day.
  • Page 19 Configuration | 3.5.6.1 Input Configuration of inputs Settings for analog, digital and universal input terminals on the main board and connection board, configuration of functionality. Table 1 Digital universal inputs available for selection User Modes Activation of specific user modes. Central Vacuum Cleaner Activation of Central vacuum cleaner function.
  • Page 20 | Configuration Table 3 Digital outputs available for selection Step Controller Y1 Heating Heater/Cooler/Extra controller control signals. Step Controller Y3 Cooling Step Controller Y4 Extra Controller Sum Alarm Fault indicating output. Outdoor-/Exhaust Air Outdoor-/Exhaust air damper control signal. Damper Secondary air Secondary air damper control.
  • Page 21 Configuration | Range: 0–10 V / 2–10 V / 10–0 V / 10–2 V. Heater • Choose heater type. Each selection unlocks additional configuration options. Default setting is based on unit type. Available types: None / Electrical / Water / Change-over. •...
  • Page 22 | Configuration 3.5.6.4 Control Regulation Configure how the system is controlled. Temperature Control • Configure temperature controller. Choose control mode: Available modes: Supply air temperature control / Room temperature control / Extract air temper- ature control Note: Room temperature control mode requires an accessory to measure room temperature. •...
  • Page 23 Configuration | Pressure Setting Flow (CAV) Manual External (VAV) Pressure Supply air fan control sensor: Sensors — Pressure at 0V: 0-500 Pa, default configure sensor setting 0 Pa voltage relation Pressure at 10V: 0-2500 Pa, default to pressure. setting 500 Pa. Set value at Extract air fan control sensor: which fan alarm...
  • Page 24 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 25 Configuration | Fig. 4 Example speed for supply and extract air 4. Use this procedure to find fan speed for all airflow levels: MINIMUM LEVEL, LOW LEVEL, NORMAL LEVEL, HIGH LEV- EL, MAXIMUM LEVEL. 5. Finally in the control panel go to Service menu, enter the password, then go to Control Regulation → Fan Control.
  • Page 26 | Configuration Connecting the IAM to wireless network 1. If your wireless router does not support WPS, Wi-Fi connection should be set up manually. Therefore you need to find Wi-Fi name and add password using control panel. 2. In control panel go to Service -> Communication -> WLAN settings menu. 3.

  • Page 27: Help

    Service | 3.5.7 Help FAQ, troubleshooting of alarms, contact information for support is provided in this menu. • Service partner — information about service partner. • Company • Telephone • Homepage • Email • User modes— detailed description of all user modes. •...

  • Page 28: Internal Components

    | Service Internal components Fig. 5 Internal components Position Description Supply air fan Overheat protection sensor Overheat protection reset button Internal electrical re-heater Rotor sensor Rotating heat exchanger Outdoor air sensor Supply air filter Extract air fan Drive belt for rotating heat exchanger Rotor motor Relative humidity/Extract air temperature sensor Extract air filter...

  • Page 29: Component Descriptions

    The filters need to be replaced when polluted. New sets of filters can be acquired from your installer or wholesaler. 4.2.1.3 Heat exchanger SAVE VTR 275/B is equipped with a highly efficient, rotating heat exchanger. Required supply air temperature is there- fore normally maintained without adding additional heat.

  • Page 30: External Connections (Connection Board)

    | Service Fig. 6 Main circuit board connections Position Description 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 31 Service | Fig. 7 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. None/Input type selection in HMI. DO1–4 Freely configurable digital output.

  • Page 32: To Access Internal Components

    | Service To access internal components Danger • Make sure that the mains supply to the unit is disconnected before performing any maintenance or electrical work! Open the hatch with the two latches and swing the hatch open. To remove door In case the unit is installed in a tight space it might be necessary to remove the inspection door to perform cleaning and maintenance.

  • Page 33: Temporary Belt Repair Solution

    Service | 4.6.1 Temporary belt repair solution In case both welded belts break it is possible to use joint nipple as a temporarily quick repair solution until the welded belt can be replaced with a new one. Depending of how the unit is installed, it may be not necessary to remove the heat exchanger package in order to temporary repair a broken drive belt if the belt pulley can be accessed.

  • Page 34: Accessories

    4. Check that the rotor belt is not slipping if the unit has rotating heat exchanger. Accessories SAVE VTR 275/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...

  • Page 35: Internet Access Module (Iam)

    Accessories | Internet Access Module (IAM) Internet access module is a device that allows to connect to the unit and con- trol it via a mobile application or directly from the computer and receive auto- matic updates. SAVE Touch Cloud The Cloud is a mediator between the user and the unit.
  • Page 36 • D1 — Download and install Systemair mobile application on your device. Systemair mobile application is available for both Android and iOS mobile operating systems. • D2 — Systemair web application does not require installation and can be accessed directly through the website (homesolutions.systemair.com ) by using any web browser.

  • Page 37: Indoor Air Quality Sensors

    • 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 | Accessories • ELH — electric heater • ECT — extra controller temperature sensor • OAT — outdoor air duct temperature sensor 230 V~ • SAT — supply air temperature sensor 230 V~ • RL — relay • 1 — Outdoor air •...
  • Page 39 Accessories | 5.3.1.2 Heater installed in the supply air duct Installation and connection 1. Install an electric heater (ELH) at least 100 mm distance from the unit in the supply air duct. A relay (RL) is used to control the heater. Connect relay to any free digital output on the connection board (CB).

  • Page 40: Duct Water Heater

    | Accessories 5.3.2 Duct water heater 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 41: Duct Water Cooler

    Accessories | 5. Configure frost protection sensor (FPT). Go back to Input menu. Select ANALOG tab. Select the analog input to which the frost protection sensor is connected. Example if it is connected to AI6 on the connection board, then select ANA- LOG INPUT 6 and select Frost Protection Temperature Sensor (FPT) from the input type list.

  • Page 42: Ground Heat Exchanger

    | Accessories 2. Enter password (default 1111) 3. Activate the actuator. Go to Components menu, select Cooler menu and select type as Water. Choose actuator voltage type. Do advanced settings if necessary. 4. Configure control signal to the actuator. Go to Service menu. Select Output menu. In next menu select ANALOG tab.

  • Page 43: Change-Over Coil For Heating/Cooling Function

    Accessories | 3. Go to Components > Extra Controller > Extra Controller Mode menu and select GEO Exchanger option. If necessary change settings in the menus Configure preheater settings and Configure precooler settings. 4. Configure control signal. Go to Service > Output > DIGITAL menu. Select the digital output to which the ground heat exchanger is connected.
  • Page 44 | Accessories Note: A duct temperature sensor can be connected to analog inputs 6–7 on the connection board for better access and then configured as a supply air temperature sensor. However the internal supply air temperature sensor must be disabled in the control panel first. 6.

  • Page 45: Airflow Control

    Accessories | Airflow control 5.4.1 VAV/CAV conversion kit The VAV/CAV conversion kit 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. Component/product —...

  • Page 46: Cooker Hoods For Save /B Series

    SAVE /B series have a dedicated 5th duct for air extraction through a cooker hood. This duct bypasses the heat ex- changer and air from the kitchen gets removed directly to the outside. Recommended cooker hoods can be found at Systemair website in the product description of your ventilation unit.

  • Page 47: Pressure Guard

    Accessories | 5.5.3 Pressure Guard A differential pressure switch is used to detect air pressure difference in a duct. The contact in the switch changes (on/ off) when air pressure exceeds the setpoint value. One of the possibilities is to use this device with a cooker hood which has an internal fan. Turned on cooker hood causes air pressure to increase in the exhaust air duct.

  • Page 48: Multiple Control Panels

    | Accessories 5.5.4 Multiple control panels Multiple control panels (up to 10) can be connected to one unit with the help of diverting plugs. A single diverting plug allows to connect two control panels. A diverting plug can be connected to another diverting plug to further increase the number of control panels that can be connected simultaneously.

  • Page 49: Presence Detector

    Accessories | Address value Indication Refresh mode LEDs are on All LEDs are on 5.5.5 Presence detector A presence detector is used to activate one of required functions when someone is present in the room. Universal input can be easily re-configured to activate a different function. Component/product —...
  • Page 50 Systemair UAB Linų st. 101 LT–20174 Ukmergė, LITHUANIA Phone +370 340 60165 Fax +370 340 60166 www.systemair.com...

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