SAVE VTR 150/B User Manual Document in original language | 254538 · v1 GB
© 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.
Contents 1 2 3 4 Overview ......................................................1 1.1 General Description ................................1 1.2 Warranty ..............................................1 1.3 Type label.............................................1 Warnings.......................................................1 Operation ......................................................2 3.1 SAVE LIGHT control panel .........................2 3.1.1 Indicators .................................2 3.1.
Overview | 1 Overview 1.1 General Description This manual describes basic information how to operate and perform maintenance on the unit and the system it is connected to. Read the instructions carefully and in its entirety. For description of advanced settings and installation of accessories see Service and Accessories Installation manual. All documents can be found in our online catalogue at www.systemair.com. 1.
2 | Operation Warning • This product is not intended to be used by children or people with reduced physical or mental ability or lack of experience and knowledge, if no instruction concerning the use has been given by the person responsible for their safety or that this person is supervising the operation. Children should be supervised so that they can not play with the product. • Beware of sharp edges during mounting and maintenance. Use protective gloves.
Operation | Off The fan can be set to Off by activating Manual Fan Stop function in Service menu. Low (Minimum) Normal High Fan speed – 25% Fan speed – 45% Fan speed – 70% Refresh (Maximum) Auto — flashing slowly Sets speed of both supply and extract air fans to Maximum levels to replace indoor air with a fresh air in a short period of time. The unit returns to previously active mode after 1 hour when in the Refresh mode. Automatic airflow control.
4 | Operation SAVE CONNECT solution (mobile application and Internet access module) has a similar menu structure and functionality as SAVE TOUCH control panel, so this section can also be used as a guide for the mobile application. 3.2.1 Common symbols The following selection symbols are common and are present in most menu pages: On and Off slider to activate or deactivate a function. White bubble — function is inactive, green bubble — function is active.
Operation | Touch HELP button to know more about the alarm. To clear the alarm, touch ACKNOWLEDGE button. Note: The underlying cause of the alarm must be resolved first otherwise the alarm will appear again. If the problem continues contact your installation company or place of purchase. 3.2.4 Quick Information screen Quick information screen can be shown instead of a sleep mode screen. Quick information screen shows the following information: 1. Time 2. Outdoor temperature 3.
6 | Operation Duration have to be set for temporary user modes. SAVE VTR 150/B will return to its previous working mode after the set time expires. Note: AUTO mode is available for selection only if the optional Demand Control, Week Schedule and/or external fan control functions are activated. 3.2.5.1 Permanent modes Permanent modes are always active unless interrupted by temporary modes, activated user functions or alarms: Icon Text Description Auto Automatic airflow control.
Operation | Icon Text Description Refresh Sets speed of both supply and extract air fans to Maximum levels to replace indoor air with a fresh air in a short period of time. Set duration in minutes. Fireplace Sets speed of supply air fan to High level and extract air fan to Low level to increase air pressure within the apartment for better smoke extraction through the chimney. Set duration in minutes. Settings of all modes can be modified in Service menu. 3.2.
8 | Operation 3.2.8 To set a week schedule While in home screen, touch menu icon and select Week Schedule. The menu is locked by default. Enter a password (default password is 1111). Touch icon at the bottom left corner of the screen to add a new schedule or press EDIT button to modify already added schedule. Touch the slider to the right to activate scheduled period. Set the time. Touch the START TIME or END TIME values to change time. Use arrow buttons decrease value. Confirm with OK button.
Maintenance of the unit | 3.2.8.1 To 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.
10 | Maintenance of the unit 4.3 To change filters The filters cannot be cleaned and must be changed as necessary. This is normally done 1–2 times per year depending on the air pollution at the installation site. It is very important to change filters regularly for performance and energy efficiency of the unit. When it’s time to change the filters an alarm is shown on the control panel display. When this occurs do the following: 1. Stop the unit by disconnecting the mains. 2.
Maintenance of the unit | 4.4 To clean the heat exchanger Danger • Make sure that the Mains supply to the unit is disconnected before performing any maintenance or electrical work! • Make sure that small children are not beneath the unit when the heat exchanger is removed! Caution • Beware of sharp edges during mounting and maintenance. Use protective gloves. Even if the required maintenance is carried out, dust will build up in the exchanger block.
12 | Maintenance of the unit A spare drive belt is already placed on the heat exchanger rotor and delivered with the unit. B A C 1 2 1 D D C B E 2 A 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. 1.
Troubleshooting | 4.7 Overheat protection reset button If the supply air temperature is low, it can indicate that the over heat protection is triggered. The overheat protection can be reset by pressing the reset button. 4.8 Duct System Maintenance 4.8.1 Cleaning extract louvres and supply air diffusers The system supplies fresh air to your home and extracts the used indoor air via the duct system and diffusers/louvres.
14 | Electrical data 5. Check the airflow settings in the control panel. 6. Check week schedule settings (chapter 3.2.8). 7. Check filters. Is change of filters required? 8. Check diffusers/louvres. Is cleaning of diffusers/louvres required? 9. Check fans and heat exchange block. Is cleaning required? 10.Check if the buildings air intake and roof unit (exhaust) have been clogged. 11.Check visible duct runs for damage and/or build up of dust/pollution. 12.Check diffuser/louvre openings.
254538 | v1
Phone +370 340 60165 Fax +370 340 60166 www.systemair.com SAVE VTR 150/B · User Manual · 254538 · en_GB · 2021-03-15 · v1 Systemair UAB Linų st.
