System air SAVE VTR 500 User manual

Document translated from English | 211564 · A002
SAVE VTR 500
GB User Manual................................................2
SV Användarhandbok .....................................24
DE Bedienungsanleitung .................................46
FI Käyttöohje................................................72

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GB
User Manual GB
© Copyright Systemair UAB
All rights reserved
E&OE
Systemair UAB reserves the rights to change their products without notice.
This also applies to products already ordered, as long as it does not affect the previously agreed specifications.

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Contents
1 Disposal and recycling ......................................5
2 Warnings.......................................................5
3 Type label......................................................6
4 Product description..........................................6
4.1 Left and Right models .............................6
5 Configuration .................................................6
5.1 General................................................6
5.2 Startup wizard .......................................7
5.3 Common symbols...................................7
5.4 Menu overview .....................................7
5.5 Home screen.........................................8
5.5.1 User modes ..............................8
5.5.2 Temperature settings ................ 10
5.5.3 Airflow settings ....................... 10
5.5.4 Indoor Air Quality ..................... 11
5.5.5 Status line .............................. 11
5.6 Description of User function icons ............ 11
5.7 Week Schedule..................................12
5.7.1 Schedule airflow
settings.................................. 12
5.7.2 Edit schedule .......................... 12
6 Maintenance of the unit.................................. 13
6.1 Warnings............................................ 13
6.2 Open the front hatch............................. 13
6.3 Changing filters.................................... 14
6.4 Resetting the filter time ......................... 15
6.5 Checking and cleaning the heat
exchanger .......................................... 15
6.6 Cleaning the fans ................................. 16
6.7 Replacing rotor drive belt ....................... 17
6.8 Overheat protection reset button............. 17
7 Duct system maintenance ............................... 18
7.1 Cleaning extract louvres and supply air
diffusers............................................. 18
7.2 Checking the outdoor air intake ............... 18
7.3 Checking the roof cowl (if fitted).............. 18
7.4 Checking and cleaning the duct
system ..............................................18
8 Troubleshooting............................................ 18
9 Alarms........................................................20
9.1 Alarm list............................................ 20

GB Disposal and recycling | 5
1 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.
2 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.
Warning
• This product must only be operated by a person who has suitable knowledge or training within this field
or carried out with the supervision of a suitably qualified person.
• Beware of sharp edges during mounting and maintenance. Use protective gloves.
Warning
• All though the mains supply to the unit has been disconnected there is still risk for injury due to rotating
parts that have not come to a complete standstill.
Important
• The installation of the unit and complete ventilation system must be performed by an authorized installer
and in accordance with local rules and regulations.
• The system should operate continuously, and only be stopped for maintenance/service.
• Do not connect tumble dryers to the ventilation system.
• Duct connections/duct ends must be covered during storage and installation.
• Make sure that filters are mounted before starting the unit.
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6| Type label GB
3 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.
Fig. 1 Type label
Position Description
1Product code (product specification)
2Product item number
3Production order number
4Serial number
5Production date (YY.MM.DD)
6QR code for manufacturing order (MO) number and software version
7QR code for the spare parts list and documentation
4 Product description
The SAVE VTR 500 is a heat recovery ventilation unit with a built in rotating heat exchanger. The SAVE VTR 500 is suit-
able for houses with up to 400 m2heated living area. It supplies filtered outdoor air to residential areas and extract air
from bathroom, kitchen and wet rooms.
SAVE VTR 500 is equipped with a 1670 W electrical re-heater battery.
4.1 Left and Right models
There are two model options, right (R) and left (L) model. The different models are recognized by the placing of the in-
ternal components and the supply air outlet, which is situated on left side of the unit on an (L) unit and on the right hand
side on an (R) unit..
Note:
This document describes a left (L) model. The inside of a right (R) model is mirrored.
5 Configuration
5.1 General
SAVE VTR 500 has 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.
Settings are done by touching the icons or options. The touch screen is sensitive and it is not necessary to press too
hard.
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GB Configuration | 7
5.2 Startup wizard
During the first power up of the unit, you will be asked to set:
• menu language
• time and date
• airflow control type (Manual/RPM) and airflow level values
• heater type (None/Electrical/Water/Change-over)
If the start-up wizard is cancelled it will start again during next power up of the unit, this will continue until start-up wiz-
ard is successfully finished.
5.3 Common symbols
The following selection symbols are common and are present in most menu pages:
Back button to return to a previous
menu, located at the upper left corner
On and Off slider to activate or
deactivate a function. White bubble —
function is inactive, green bubble —
function is active.
Up arrow to increase a value CANCEL Button to cancel changes
Down arrow to decrease a value SET/OK Buttons to confirm changes
Some menus have more than one page. Touch page indicator in the top right corner to go to the next page. The first
number indicates current page number and the second number indicates a total number of pages available.
Many options show up in a form of the pop-up window. Select the option from the displayed list in the pop-up window
and press OK to confirm selection.
5.4 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.Configuration of all system parameters
H.Help and troubleshooting menu
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8| Configuration GB
5.5 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. List of active alarms
6. Icon list of active user functions
5.5.1 User modes
The first icon at the top of home screen shows currently active user mode. To change the user mode, touch the active
user mode icon (pos. 2) and select a new user mode from the list. The unit has 2 permanent and 5 temporary user
modes available for selection. Only one mode can be active at a time.
Settings of all modes can be modified in Service menu.
5.5.1.1 Permanent modes
Permanent modes are always active unless interrupted by temporary modes, activated user functions or alarms:
Icon Text Description
AUTO
Automatic airflow control. 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
mode activates Demand Control,Week Schedule and/or external fan control
functions. Demand is available to choose as airflow setting in Week Schedule.
MANUAL
Manual selection of airflow levels. The unit can be set run at one out of four
available airflow speeds: Off/Low/Normal/High.
Note:
The fan can be set to OFF by activating Manual Fan Stop function in
Service menu.
5.5.1.2 Temporary modes
Temporary modes are active only for a set period of time unless interrupted by active user modes, activated user func-
tions or alarms:
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GB Configuration | 9
Icon Text Description
HOLIDAY
Sets speed of both supply and extract air fans to Low levels when user is away
from home for a long period of time.
ECO mode is active.
Set duration in days.
CROWDED
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.
Default temperature setpoint offset is –3 K.
Set duration in hours.
AWAY
Sets speed of both supply and extract air fans to Low levels when user is away
from home for a short period of time.
ECO mode is active.
Set duration in hours.
REFRESH
Sets speed of both supply and extract air fans to maximum High 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.
Temporary modes and user functions are active only for a set period of time after which they are terminated and the
unit changes back to a former AUTO or MANUAL mode, depending on which one was active before temporary mode or
user function was activated.
5.5.1.3 Digital input functions
Digital input functions always active while digital input is activated.
Icon Text Description
Central
Vacuum
Cleaner
Function 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 dust collection
through central vacuum cleaner.
Function can be activated via digital input — Central Vacuum Cleaner
Function.
Cooker Hood
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 airborne grease and steam
collection in the kitchen.
Function can be activated via digital input — Cooker Hood Function.
5.5.1.4 Digital input and Mode hierarchy
User modes and functions have a different hierarchy. User functions activated via HMI or mobile APP, such as AWAY,
CROWDED,FIREPLACE,HOLIDAY and REFRESH, are interrupted by manual selection of AUTO and MANUAL fan modes.
AFIREPLACE function has the highest priority between user functions. Other functions activated via HMI/APP can in-
terrupt each other.
If FIREPLACE function is hard-wired on the connection board and configured as digital input (DI) then it has a higher
priority than AUTO and MANUAL mode. Digital input for a FIREPLACE function has also a higher priority than other
hard-wired digital inputs (DI) for: AWAY,CENTRAL VACUUM CLEANER,COOKER HOOD,CROWDED,HOLIDAY or REFRESH.
Digital input and Mode hierarchy:
1. EXTERNAL STOP
2. FIREPLACE function
3. COOKER HOOD,CENTRAL VACUUM CLEANER,CROWDED,REFRESH functions
4. AWAY,CROWDED functions
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10 | Configuration GB
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 OK button to confirm changes.
Temperature set point is for room air temperature, supply air temperature or for extract air temperature depending on
which control mode is active. Default setting is Supply air temperature control.
Control mode of the temperature can be changed in Service menu.
5.5.2.1 ECO mode
ECO mode is a power saving function that can be activated in SET TEMPERATURE menu.
ECO mode function is available only when an internal heater is installed and configured.
While ECO mode is active, a temperature setpoint at which heater is activated is lowered to avoid activation of the heat-
er during cold nighttime.
If the temperature is very low and the heater is activated during the nighttime (even with lowered temperature set-
point), then during the upcoming daytime indoor temperature will be increased using the heat exchanger so that accu-
mulated heat could be used during the next cold nighttime, the lowered setpoint for the heater remains.
ECO mode will have impact for the following user
functions/modes if selected: ECO mode is always activated by the following modes:
•AUTO mode
•MANUAL mode
•AWAY mode
•HOLIDAY mode
•CENTRAL VACUUM CLEANER function
•COOKER HOOD function
•FIREPLACE mode
•AWAY mode
•HOLIDAY mode
ECO mode is always deactivated by the following user
functions/modes:
•CROWDED mode
•REFRESH mode
•FREE COOLING function
5.5.3 Airflow settings
Airflow settings are available only in MANUAL mode. Click on fan icon on the main screen to enter SET
AIRFLOW menu.
Use up and down arrows or a slider to change the airflow value.
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