System air EE VTR 250/B User manual

Document in original language | 213031 · v01_1.8.0

EE VTR 250/B

User Manual GB

213031 | v01_1.8.0

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.

213031 | v01_1.8.0

Contents

1 Overview ......................................................1

1.1 General Description ................................1

1.2 Warranty..............................................1

1.3 Type label.............................................1

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

3 Control Panel..................................................2

3.1 Home Screen And Menu ..........................2

3.2 How to Select User Mode .........................2

3.2.1 Permanent modes......................3

3.2.2 Temporary modes ......................3

3.3 How to Change Temperature ....................4

3.4 How to Change Airflow............................4

3.5 How to Set Week Schedule.......................5

3.5.1 Schedule airflow settings .............6

3.6 Status Line and Alarms ............................6

4 Maintenance .. .......... ....... ........... ........... ....... ..6

4.1 Maintenance Schedule ............................6

4.2 Open the front hatch...............................7

4.3 Changing filters......................................7

4.3.1 Resetting the Filter Change

Time........................................8

4.4 Check and Clean a Heat Exchanger .............8

4.5 Check and Clean Fans..............................9

4.6 Replacing rotor drive belt ....................... 10

4.6.1 Temporary belt repair

solution.................................. 10

4.7 Duct System Maintenance...................... 11

4.7.1 Cleaning extract louvres and

supply air diffusers ................... 11

4.7.2 Checking the outdoor air

intake .... ....... ........... ....... ....... 11

4.7.3 Checking the roof cowl (if

fitted).................................... 11

4.7.4 Checking and cleaning the

duct system ............................ 11

5 Troubleshooting............................................ 11

6 Electrical data............................................... 12

7 Disposal and recycling .................................... 13

Overview |1

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 con-

nected 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 Warranty

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.

1.3 Type label

Before calling your service representative, make a note of the specification and production number from the type label,

which can be found next to the external connections and inside of the unit.

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

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.

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2| Control Panel

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.

3 Control Panel

SAVE Touch is a new generation control panel with a touch screen.

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

hard.

3.1 Home Screen And Menu

1. Menu

2. Active user mode

3. Airflow settings

4. Temperature settings

5. Alarms and warnings

6. Status line

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

3.2 How to Select User Mode

For more information about user modes and functions, please check Help menu.

The top circle on the home screen indicates a currently active user mode. Touch the symbol to change the mode.

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Control Panel | 3

Duration have to be set for temporary user modes. EE VTR 250/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.

3.2.1 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.

3.2.2 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:

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.

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4| Control Panel

Icon Text Description

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.

3.3 How to Change Temperature

Touch the thermometer symbol on the home screen to open the temperature settings window.

Use up and down arrows to increase or decrease a value. The default setting is 18 °C.

ECO mode is a power saving function which partially limits heater operation and

can only be activated if a heater is installed.

3.4 How to Change Airflow

Touch the fan symbol on the home screen. In the open window use up or down arrows to increase or decrease the

speed of fans.

Note:

Airflow regulation is available only in Manual mode.

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Control Panel | 5

3.5 How to Set 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.

Week Schedule is active only during AUTO mode.

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 and 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.

12 or 24 hour time format can be changed in System Preferences menu.

If necessary, activate second scheduled period and set up time.

Once time is set, click on the day(s) when schedule should be active. It is possible to set a separate schedule for each

day. Already scheduled days are not available for selection for new schedules.

Confirm schedule with OK button.

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6|Maintenance

3.5.1 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 lev-

els: 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.

3.6 Status Line and Alarms

Status line indicates all currently active functions. Touch the status line to see descriptions of active functions in more

detail.

For more information about user modes and functions, please check Help menu.

Alarms

Touch the alarm indicator on the home screen to see all active alarms.

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.

4 Maintenance

Danger

• Make sure that the mains supply to the unit is disconnected before performing any maintenance or

electrical work!

Warranty claims can only be made if maintenance work is carried out correctly and written evidence thereof is

provided.

4.1 Maintenance Schedule

Task 6 months 1 year 3 years When necessary

General inspection X

Filter change X X

Fan cleaning X

Heat exchanger cleaning X X

Belt replacement X

Checking and cleaning louvres/

diffusers

213031 | v01_1.8.0

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