System air SAVE VSR 300 User manual

Document in original language | 211459 · A001

SAVE VSR 300/500

User Manual GB

211459 | A001

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 ......................................1

2 Warnings.......................................................1

3 Type label......................................................2

3.1 QR code...............................................2

4 Introduction ...................................................2

5 SAVECair control .............................................2

5.1 General................................................2

5.2 Startup wizard .......................................3

5.3 Common symbols...................................3

5.4 Menu overview .....................................4

5.5 Home screen.........................................5

5.5.1 User modes ..............................5

5.5.2 Temperature settings ..................7

5.5.3 Airflow settings .........................7

5.5.4 Indoor Air Quality .......................8

5.5.5 Status line ................................8

5.6 Description of User function icons ..............8

5.7 Week Schedule....................................9

5.7.1 Schedule airflow settings .............9

5.7.2 Edit schedule ............................9

6 Maintenance of the unit.................................. 10

6.1 Warnings............................................ 10

6.2 Open the side cover.............................. 10

6.3 Changing filters.................................... 11

6.4 Resetting the filter time ......................... 12

6.5 Checking and cleaning the heat

exchanger .......................................... 12

6.6 Cleaning the fans ................................. 13

6.7 Replacing rotor drive belt ....................... 14

6.8 Overheat protection reset button ............. 14

7 Duct system maintenance ........ ....................... 15

7.1 Cleaning extract louvres and supply air

diffusers............................................. 15

7.2 Checking the outdoor air intake ............... 15

7.3 Checking the roof cowl (if fitted).............. 15

7.4 Checking and cleaning the duct

system ..............................................15

8 Troubleshooting............................................ 15

9 Alarms........................................................17

9.1 Alarm list............................................ 17

Disposal and recycling | 1

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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2| Type label

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)

3.1 QR code

QR code is an optical label that contains the list of spare parts and documentation. The QR code label can be found next

to the type label.

Use a mobile application or any other QR code reader to access its contents.

Fig. 2 Example of QR code label

4 Introduction

The SAVE VSR 300/500 is a heat recovery ventilation unit with a built in rotating highly efficient heat exchanger. The

SAVE VSR 300/500 is suitable for houses with up to 240/360 m2heated living area. It supplies filtered outdoor air to

residential areas and extract air from bathroom, kitchen and wet rooms. Both models come with a 1670 W installed re-

heater battery.

5 SAVECair control

5.1 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.

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SAVECair control | 3

Settings are done by touching the icons or options. The touch screen is sensitive and it is not necessary to press too

hard.

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

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.

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4| SAVECair control

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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SAVECair control | 5

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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6| SAVECair control

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.

Delay 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.

Delay 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.

Delay 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.

Delay 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.

Delay 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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