System air Topvex TR 09 Series Troubleshooting guide

Corrigo ver. no. 2.1-1-02
GB
Topvex TR09, TR12, TR15
Compact Air Handling Unit
Operation- and maintenance instructions

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
2
Description
1. Supply air 10. Rotor motor
2. Extract air 11. Filter, Extract air
3. Exhaust air 12. Fan, supply air
4. Outside air 13. Pressure sensor supply air fan
5. Pressure sensor supply air filter 14. Electrical Heater (see fig.3)
6. Fan, extract air 15. Electrical Connection box (see fig.3)
7. Filter supply air 16. Water coil (see fig.3)
8. Control Heat exchanger 17. Pressure sensor supply air filter
9. Heat exchanger, Rotor 18. Pressure sensor extract fan
Connection box
Fig. 1 Left version Right version
Description
19. Water coil
20. 24 V Transformer
21. Fuse
22. Control unit Corrigo
23. Terminal blocks for mains supply and external
connections.
24. Overheating protection EL- heating battery,
Manual reset.
25. Overheating protection EL- heating battery,
Automatic reset.
26. ADO – tool
Fig. 2

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
3
Fig. 4
Description
1. Alarm button 7. Connection block
2. Alarm LED 7a. Yellow cable
3. Write enable LED 7b. Orange cable
4. OK button 7c. Red cable
5. Clearing button 7d. Brown cable
6. Mounting holes 7e. Black cable
Fig. 3
Description
1. Supply air
2. Extract air
3. Exhaust air
4. Outside air
5. VAV pressure transmitter supply air
(accessories)
6. VAV pressure transmitter extract air
(accessories)
7. Damper and motor exhaust air (accessories)
8. Damper and motor outside air (accessories)

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
4
Introduction
Installation, operation and maintenance manual concerns air handling unit type Topvex TR,
manufactured by Systemair AB. It consists of basic information and recommendations concerning the
design, installation, start-up and operation, to ensure a proper fail-free operation of the unit.
The key to proper and safe operating of the unit is to read this manual thoroughly, use the unit
according to given guidelines and follow all safety requirements.
Table of contents
Introduction..................................................................................................................4
Table of contents .........................................................................................................4
Operation.....................................................................................................................5
General ....................................................................................................................5
Set the menu language............................................................................................5
Control panel............................................................................................................5
Access rights ........................................................................................................5
Password..............................................................................................................5
How to operate .....................................................................................................5
Alarms ..................................................................................................................6
Starting up the unit. ..............................................................................................6
Table of contents - control unit manual........................................................................7
Control unit, manual ....................................................................................................8
Warning .....................................................................................................................17
Maintenance ..............................................................................................................17
Troubleshooting.........................................................................................................18
Service ......................................................................................................................18
Commissioning record...............................................................................................19

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
5
Operation
General
This manual describes the most common function/settings. For more information about other
function/settings please see the attached Corrigo E – Manual. The Corrigo E – Manual can also be
retrieved from www.regin.se in different languages.
Topvex units with Electrical heater have 3 minutes of re-cooling after having been turned off.
N.B. If the fire alarm is activated when the heater is on, the fan stops immediately without re-cooling,
this can cause the overheating protection to trip. See fig.2 where to reset the manual overheating
protection.
Maximum allowed supply air temperature is 35oC.
Set the menu language
Press the OK button while switching on the mains supply.
Press the OK button. Choose language with the UP/DOWN-buttons. Confirm the choice with the OK
button. Press the LEFT button to go back in the menus.
The language can also be changed in Configuration/System/Choose Language (page 13).
Control panel
Access rights
There are 3 different log on levels, System level which has the highest authority, Operator level and
the basic “no-log on” level.
System level gives full read/write access to all settings and parameters in all menus.
Operator levels give read-only access in the configuration menu and read/write access in the
settings and parameters.
Basic level permits read-only access to all settings and parameters.
Password
As default Topvex TR comes with the following password for different levels:
System 1111 Operator 3333 Basic 5555
How to operate
See fig 4.
The menus in the Corrigo E are organized in a horizontal tree structure. The UP/DOWN-buttons are
used to move between menus at the present menu level. The RIGHT/LEFT buttons are used to move
between menu levels. When changing parameters the UP/DOWN buttons are used to increase or
decrease the value of the parameter and the RIGHT/LEFT buttons to move between digits within the
parameter.
The OK button is used to confirm the choice of a parameter setting.
The C button is used to abort an initiated parameter change and restore the original value.
The ALARM button is used to access the alarm list.
Changing parameters
In some menus there are parameters that can be set. This will be indicated by the LED flashing.
To change a parameter, first press the OK button, the LED changes to a steady light. A cursor
will appear at the first settable value. If you wish to change the value, do so by pressing the
UP/DOWN buttons. In numbers containing several digits you can move between the digits using the
LEFT/RIGHT-buttons.
When the desired value is displayed, press OK. Settings outside the intervals are not registered.
Preset values count. If there are further settable values displayed the cursor will automatically move to
the next one. To pass a value without changing it, press RIGHT.
To abort a change and return to the initial setting, press and hold the C-button until the cursor
disappears.

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
6
Navigating the menus
The start display (the display normally shown) is at the root of the menu tree.
Pressing DOWN ▼will move you through the menu choices, in this the lowest level. UP ▲will move
you back through the choices.
To enter a higher menu level, use UP or DOWN to place the display marker opposite the menu you
wish to access and press RIGHT ►.
If you have sufficient log on privileges the display will change to the menu you have chosen.
At each level there may be several new menus through which you may move using the UP/DOWN
buttons.
Sometimes there are further sub menus linked to a menu or menu item. This is indicated by an arrow
symbol at the right-hand edge of the display. To choose one, use RIGHT ►again. To back down to a
lower menu level, use LEFT ◄.
Alarms
Alarm button (pos.1 in fig. 4) opens the alarm queue. By pressing this button all active and non-
acknowledged alarms will be displayed in the menu window. The LED for alarms (pos.2 in fig. 4) is
blinking if there are non-acknowledged alarms and shine steadily if the alarms are still active but have
been acknowledged. If there are multiple alarms use UP/DOWN buttons to move between them. An
alarm can be acknowledged or blocked by using OK and UP/DOWN buttons. To abort and go back to
the start menu select Cancel and press the LEFT button.
For alarm settings see the Commissioning protocol (page 22 and 23).
Extra stop function
For some alarm types such as electric heating high temperature limit and water heating frost
protection it would be dangerous to not stop the unit on alarm. Therefore, for such alarm types, the
program will always reset the stop function to Active even if the operator should choose Inactive.
It is unfortunately not possible to remove the display text concerning the stop function for these alarm
types. This since the available program space demands that all alarms are treated in the same way in
the display.
Starting up the unit.
Control that all external equipment are connected
Switch on fuses (pos.21 fig 2) in the unit
Switch on the supply voltage
Set present time and date, set the control temperature and program the week schedule. Do the
necessary settings for extra functions if any.

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
7
Table of contents - control unit manual
Actual/Setpoint (Temperature, Flow/Pressure) 8
Input/Output (Shows status and values) 9
Time Settings (Set Time and date)
(Set operating times, week and holidays) 9
Settings (Set Alarm limits e.g. temp. and deviation) 10
Manual/Auto (Set if the unit should run on manual on/off or auto) 10
Configuration
-Inputs/Outputs (Set and Show all In/Outputs) 11
-Control function (Set control temperature mode) 12
-Object Types (Set and activate Cooling function, 0..10VDC signal) 12
-Pump control (Set control function for Heating/Cooling pump) 12
-Free cooling (Activate function, make specific settings) 13
-CO2/VOC Control (Activate function, make specific settings) 13
-Fire Function (Set if unit should run or stop)
(Set the Fire alarm input to Normally closed/ open)
(Set if there are Fire dampers installed and when they
should be exercised) 13
- Humidity control (Activate functions and make specific settings) 13
-Cooling recovery (Activate function, make specific settings) 13
-External set point (Activate function, make specific settings) 14
-Alarm configuration (Set alarm config. e.g. priority, stop the unit, -
temperature limits, pressure deviation etc.) 14
-Other parameters
Extended running (Set Extended running in minutes) 14
Outdoor temp for control-
mode change (Set outdoor temperature for changing of control-
temperature mode) 14
Outd. temp for Blocking-
of 1/1-speed (Set the Outdoor temperature for blocking Normal-
and changing to Reduced fan speed.) 14
-System
Choose Language (Set menu Language) 15
Choose Start Screen (Choose between 5 different settings) 15
Automatic summer/winter-
time change over (Set if the internal clock should change automatic-
between summer and winter time) 15
Address: PLA ELA Only used when connected to Exo-network 15
Address for remote-
communication Set PLA:ELA addresses to external units 15
Communication code-
for modbus (Set if Modbus should be activated or not – 15
Access Rights
-Log on (Log on to any level by entering a 4-digit code) 16
-Log off (Log off from present level to the basic “no-log on” level) 16
-Change password (Change password for accessing different levels) 16

8
Control unit, manual
Topvex TR 15 HW flow
05:10:21 16:03
System:Normal run
Sp: 0.0Act: 0.0°C
Actual/Setpoint
Outdoortemp: 0.0°C
Supply air temp
Act. : 0.0°C Setp -->
Setp: 0.0°C
Supply air temp
Setp.: 0.0°C
Outdoor comp. Setp.
-29.9°C = 21.7°C
-19.6°C = 21.0°C
-10.8°C = 20.0°C
Outdoor comp. Setp.
-4.0 °C = 19.7°C
5.3 °C = 18.9°C
11.9 °C = 18.4°C
Outdoor comp. Setp.
20.6 °C = 17.7°C
28.6 °C = 17.0°C
Exhaust air temp
Actual : 0.0 °C
Setp. : 0.0 °C
Room temp. 1
Actual : 0.0 °C
Setp. : 0.0 °C
Flow control SAF Pressure control SAF
Actual : 0.0 m³/h Actual : 0.0 Pa
Setp. : 0.0 m³/h Setp. : 0.0 Pa
Flow control SAF
Setp 1/1 : 0000.0 m³/h
Show actual Exhaust air temperature.
Only used when the unit is configured for Exhaust air control.
Set the Exhaust air temperature.
or Used when the unit is configured for constant flow or constant pressure control.
Show Actual SAF flow or pressure
Show Setpoint of SAF flow or pressure.
Only used when the unit is configured for Room control or Room-/Supply air control.
Show actual Room temperature.
Set the Room temperature.
Set the desired flow for full speed and half speed
If VAV control is chosen, set the desired pressure for full speed and half speed.
- Start Screen Headline.
Show actual Outdoor temperature and Supply air temperature.
Show Setpoint of the Supply air temperature. When using Cascade function the Setpoint is a calculated value depending on the
Exhaust/Room temperature.
Only used when the unit is configured for Supply air control.
Set the Su
pp
l
y
air tem
p
erature. Maximum allowed su
pp
l
y
air tem
p
erature is 35oC
Only used when the unit is configured for Outdoor compensated Supply air control.
Set the Supply air temperature at 8 different outdoor temperatures.
Can be set to 5 different layouts.
(see page 11. Configuration/System/Choose Start Screen).

9
Outdoor comp. setp.
-20 °C = 0.0 m³/h
10 °C = 0.0 m³/h
A
ct. Comp: 0.0 m³/h
Flow control EAF Pressure control EAF
Actual : 0.0 m³/h Actual : 0.0 Pa
Setp. : 0.0 m³/h Setp. : 0.0 Pa
Flow control EAF
Setp 1/1 : 0000.0 m³/h
Setp 1/2 : 0000.0 m³/h
Outdoor comp. setp.
-20 °C = 0.0 m³/h
10 °C = 0.0 m³/h
A
ct. Comp: 0.0 m³/h
Input/Output
Analogue inputs
Digital inputs
Universal inputs
Analogue outputs
Digital outputs
Time Settings
Time/Date Time: 16:03
Date: 05:10:21
Weekday: Wednesday
Timer Normal Speed Normal Speed
Monday
Per 1: 00:00- 00:00
Per 2: 00:00- 00:00
Normal Speed
Holiday
Per 1: 00:00- 00:00
Per 2: 00:00- 00:00
Set the time when the unit should run on Normal fan speed during Holidays. It is possible to set two Periods
for each Holiday.
N.B. For continuous running set 00:00-24:00.
(see Time Settings/Holidays to set the date of Holidays).
Show the configuration of the Inputs and Outputs.
Show the actual values of the Analog Inputs and Outputs.
Show the status of the Digital Inputs and Outputs.
Set the Time: h : m
Set the Date: year : month : day
Set the Weekday.
Set the time when the unit should run on Normal fan speed. It is possible to set two Periods for each weekday.
Choose weekday with arrow up and down buttons.
N.B. For continuous running set 00:00-24:00.
Normal fan speed have higher priority then Reduced fan speed.
Set the outdoor compensation for the flow/pressure regarding to the outdoor temp
Set maximum compensation.
Set when comp. should start.
Show actual com
p
ensation.
Set the desired flow for full speed and half speed
If VAV control is chosen, set the desired pressure for full speed and half speed.
Set the outdoor compensation for the flow/pressure regarding to the outdoor temp
Set maximum compensation.
Set when comp. should start.
Show actual com
p
ensation.
or Used when the unit is configured for constant flow or constant pressure control.
Show Actual EAF flow or pressure
Show Set
p
oint of EAF flow or
p
ressure.

10
Timer Reduced Speed Reduced Speed
Monday
Per 1: 00:00- 00:00
Per 2: 00:00- 00:00
Reduced Speed
Holiday
Per 1: 00:00- 00:00
Per 2: 00:00- 00:00
Holidays Holidays (mm:dd)
1: 01:01 - 01:01
2: 01:01 - 01:01
etc
Settings
Alarm settings Alarm limits
Manual/Auto
Running mode
Auto
Supply temp contr.
Auto
Manual set: 0.0
SAF:
Auto
EAF:
Auto
SAF: Auto
Manual set: 0.0
EAF: Auto
Manual set: 0.0
Heating
Auto
Manual set: 0.0
Set the date of Holidays. It is possible to set 24 Holiday periods.
Set the time when the unit should run on Reduced fan speed. It is possible to set two Periods for
each weekday. Choose weekday with arrow up and down buttons.
N.B. For continuous running set 00:00-24:00 and Normal fan speed time to 00:00- 00:00.
Set the time when the unit should run on Normal fan speed during Holiday. It is possible to set two
Periods for each Holiday.
N.B. For continuous running set 00:00-24:00 and Normal fan speed time to 00:00- 00:00.
(
see Time Settin
g
s/Holida
y
sto set the date of Holida
y
s
)
.
Set the output signal to the Heater (Y1) to Auto, Manual or Off.
Set the output signal to 0-100% (when the output signal is set to Manual).
Set the Alarm limits for e.
g
. Temperature limits and deviation, Air Flow deviation.
Set the Supply/Exhaust air fan to Auto, Manual full speed, Manual half speed or Off.
All other settings than Auto will trigger the Manual mode Alarm. The Alarm will be reset when set to Auto.
Set the Supply/Exhaust air fan to Auto, Manual, Manual full speed, Manual half speed or Off.
Set the output signal to 0-100% (when the output signal is set to Manual).
Set the Running mode to Auto, On or Off.
Set the Supply temperature control to Auto, On or Off.
Set the output signal to 0-100% (when control mode set to On). The outputs Y2 Exchanger, Y1 Heater and Y3 Cooler
(accessories) will follow the signal, if they are in Auto mode.

11
Exchanger
Auto
Manual set: 0.0
Cooling
Auto
Manual set: 0.0
P1-Heating
A
uto
P1-Cooling
Auto
Fresh air damper
Auto
Recirculation damper
Auto
Extract air damper
Auto
Configuration
Inputs/Outputs
A
nalogue inputs
Digital inputs
Set the output signal to the P1-Heating pump to Auto, On or Off.
Set the out
p
ut si
g
nal to the P1-Exchan
g
er motor to Auto, On or Off.
Set the output signal to the Cooling to Auto, Manual or Off.
Set the output signal to 0-100% (when the output signal is set to Manual).
Set the output signal to Auto, Manual or Off.
Set the output signal to 0-100% (when the output signal is set to Manual).
Set the Configuration of the Digital inputs.
Show the status to On or Off.
Set the output signal to the P1-Cooling pump to Auto, On or Off.
Set the Configuration of the Analogue inputs.
Set the compensation if there is a deviation between actual and measured value, normaly not
needed.
Show actual in
p
ut "Raw" value, 0-10V DC or °C.
Set the output signal to the Fresh air damper to Auto, Open or Close.
Set the output signal to the Recirculation damper to Auto, Open or Close.
Set the output signal to the Extract air damper to Auto, Open or Close.

12
Universal inputs
Analogue outputs
Digital outputs
Control function Control function
Mode:
Extract air control
If cascade control
max/min supply setp.
Max: 0.0 °C
Min: 0.0 °C
Object Types Cooling
Not used
Pump control P1-Heating
P1-Cooling Set the pump stop dela
y
in minutes.
Only used when Cascade function is Set.
Set the Maximum and Minimum allowed supply air temperature.
Set the temperature Control function to:
- Extract air control with cascade function (see below If cascade control max/min supply
setp.to set the max and min supply temperature).
- Room control with cascade function (see below If cascade control max/min supply setp.to
set the max and min supply temperature).
- Outdoor temperature compensated supply air control.
- Supply air control.
- Outdoor temperature dependent switching between supply air temperature control and
extract air control with cascade function (see Other parameters/Outdoor temp for control
mode change for setting of the switching temperature and see below If cascade control
max/min supply setp. to set the max and min supply temperature).
- Outdoor temperature dependent switching between supply air temperature
control and Room control with cascade function (see Other parameters/Outdoor temp
for control mode change for setting of the switching temperature and see below If cascade
control max/min su
pp
l
y
set
p
. to set the max and min su
pp
l
y
tem
p
erature
)
.
Set if the Water cooling (0-10V DC) should be activaded.
Set the Pump stop to Yes or No.
Set the pump stop delay in minutes.
Set the outdoor tem
p
erature limit,
p
um
p
sto
p
when limit is exceeded.
Set the Configuration of the Digital outputs.
Set the Digital output to Auto, Manual -On or Manual -Off.
Show the status to On or Off.
Set the Configuration of the Analogue inputs.
Set the compensation if there is a deviation between actual and measured value, normaly not
needed.
Show actual in
p
ut "Raw" value
,
0-10V DC or °C.
Set the Configuration of the Digital inputs.
Show the status to On or Off.
Set the Configuration of the Analogue outputs.
Show actual out
p
ut value in 0-10V DC.

13
Free cooling Free cool active: No
Outd.temp activation
0 °C
Outd.temp night
High: 0.0 °C
Low: 0.0 °C
Room temp min 0.0 °C
CO2/VOC Control CO2/VOC active
Never
Type: Fan
Min.time: 0 min
Activation level
1/2-speed: 000 ppm
1/1-speed: 000 ppm
diff: 000 ppm
Fire Function Fire alarm input
Normally open
Damper exercise
No
Cooling recovery Cooling recovery
No
Cooling limit: 0.0 °C
Set the ppm level when the fans should start (1/2-speed) and the ppm level for normal fan speed (1/1-speed).
Set a lowest value (ppm) below the value for the reduced fan speed (1/2-speed) when the fans should stop.
Set if the Cooling recovery function should be active or not.
Set the temp. difference for starting the Cooling recovery function.
Function: If the extract air temperature is a settable amount lower than the outdoor temperature, cooling recovery
can be activated.
Set the Fire alarm input (Digital input) to Normally open or Normally closed.
Set if the unit should exercise the fire dampers.
Function: If set to Yes choose to sto
p
the unit durin
g
exrecise or to exrecise while the unit is runnin
g
.
Set if the Free cooling function should be active or not.
Set the lowest outdoor temperature (day temp.) limit when the Free cooling function should be activated.
Set between which night temperatures the Free cooling should be activated, High and Low.
Set the lowest Room temperature when the Free cooling should stop.
Function: This function is used during the summer to cool the building during the night by using cool outdoor air,
and thereb
y
reducin
g
the need for coolin
g
durin
g
the da
y
.
Set when the CO2/VOC function should be active: Never, Always, If time channel off or If time channel on.
Set the minimum running time for the CO2/VOC function.

14
External setpoint External setpoint
Not active
Min setp.: 0.0 °C
Max setp.: 0.0 °C
Actuator type Actuator type
Y1 Heating:0-10V
Y2 Exchan.:0-10V
Y3 Cooling:0-10V
Actuator type Set the signal type that works with the actuator Y6
Y6 Humidity: 0-10V
Alarm configuration Alarm no(1-48): 1
XX
-->
Other parameters Outd. temp for
Blocking of
1/1-speed: -20 °C
Extended running
60 min
Time in ext. Running
0 min
Outdoor temp for
control mode change
0 °C
Set if the External setpoint function should be active or not.
Set the working range (minimum and maximum) for the external setpoint device (PT1000).
Set how many minutes the unit should run in Extended running when using a Push button. If the
time is set to 0 minutes the unit will run in Extended running as long as the digital input is closed.
Set the signal type that works with the actuator Y1, Y2, and Y3. 0-10V, 10-0V, 10-2V or 2-10V.
Set the alarm configuration.
Set the Priority on each Alarm to: Not active, C-alarm, B-alarm or A-alarm.
Set if the unit should stop at alarm.
Set other settin
g
s e.
g
. Dela
y
s, temperature limits, pressure deviations..
Set the Outdoor temperature for changing the control mode.
Function: If the unit is configured for combined Supply air/Room or Exhaust control this menu
p
ermits the settin
g
of the outdoor tem
p
erature at which the chan
g
e is activated.
Set the Outdoor temperature for blocking Normal and changing to Reduced fan speed.
Function: Outdoor temperatures below the set temperature will force the unit to go from Normal to
Reduced fan speed.

15
System Choose Language
English
Choose Start Screen
Type 1
Topvex TR 15 HW flow
05:11:27 08:48
System: Running
Sp:22.0°C Act:21.8°C
05:11:27 08:48
System: Running
Sp:22.0°C Act:21.8°C
Y1:0% Y2:93% Y3:0%
05:11:27 08:48
System: Running
Sp:22.0°C Act:21.8°C
SF:NaNPa EF:NaNPa
Topvex TR 15 HW flow
05:11:27 08:48
System: Running
Topvex TR 15 HW flow
05:11:27 08:48
Automatic summer/
winter time change
over
Yes
Address:
PLA: 000
ELA: 000
Address for
remote communication
(PLA:ELA) : 00:00
Communication code
for modbus
0
Modbus: Not Active
Set the menu Language.
Note: A short cut to the menu language is by pressing the OK button at the same time as the main
voltage is switched on.
Type 4
- Second line shows date and time.
- Third line shows the
p
resent runnin
g
status.
Type 5
- Second line shows date and time.
Set the start screen. Choose between 5 different settings:
Type 1 - Second line shows date and time.
- Third line shows the present running status.
- Fourth line shows the present temperature setpoint and actual
values.
Type 2 - First line shows date and time.
- Second line shows the present running status.
- Third line shows the present temperature setpoint and actual
values.
Type 3 - First line shows date and time.
- Second line shows the present running status.
- Third line shows the present temperature setpoint and actual
values.
Show this units Address for remote communication.
This function is only used for units connected to an Exonetwork.
Do not chan
g
e the values or
y
ou ma
y
encounter
p
roblems when runnin
g
CORRIGO E Tool.
Set the Address to the external unit. For remote communication with other units thru Exonetwork.
Set if the Modbus should be activated or not. A code is needed to activate Modbus.
Set if the internal year-base clock should changeover automatic between Summer and Winter
time.

16
Access Rights
Log on Log on
Enter password ****
Actual level:None
Log off Log off?
No
Actual level:None
Change password Change password for
level:None
New password: ****
Use this menu to log off from the present level to the basic "no-log on" level.
Logoff is also initiated automatically 5 minutes after the last time a button is pressed.
As default Corrigo comes with the following passwords for the different levels:
System 1111
Operator 3333
Basic 5555.
You can only change the password for log on levels lower or equal to the presently active level, i.
e. if you are logged in as System you can change all passwords, but as Operator you can only
change the Operator and Basic passwords.
There is no point in changing the Basic password since access to that level is granted
automatically to all users.
In this menu it is possible to log on to any level by entering the appropriate 4-digit code.
The log on menu will also be displayed if trying to gain access to a menu or try to do an operation
requiring higher authority.
Press the OK-button and a cursor marker will appear at the first digit position.
Repeatedly press the up-arrow until the correct digit is displayed.
Press the right-arrow to move to the next position. Repeat the procedure until all four digits are
displayed.
Then press OK to confirm.
After a short while the text on the line: Actual level will change to display the new log on level.
Press left-arrow to leave the menu.

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
17
Warning
In order to avoid electrical shock, fire or other damage that might occur in connection with faulty use and
operation of the unit, it is important to consider the following:
The system must be installed according to the mounting instructions
Insulate mains supply before service or cleaning of the heat recovery unit
Tumble dryer must not be connected directly to the ventilation system
Make sure the filter is mounted in its place before running the system
Maintenance must be performed according to the instructions.
Maintenance
Maintenance of the Topvex should normally be carried out 3 – 4 times a year. Apart from general cleaning the
following should be observed:
1. Changing Supply/Extract air filter, indicates as “Filter guard” in the control panel (fig.3 and 4).
The bag filter cannot be cleaned and must be changed as necessary. New filters can be ordered from Systemair.
Pressure guards monitor Supply and Extract air filters.
Initial pressure drop is approx. for EU7 filters = 80Pa and for EU5 filter = 45Pa.
Final pressure drop is approx. 240 Pa
2. Checking the heat exchanger (Once a year), (fig.1).
After long times use dust may build up in the exchanger and block the airflow. It is vital to clean the exchanger
regularly to maintain high efficiency. The heat exchanger can easily be taken out of the unit. Clean the surface of
the exchanger using a vacuum cleaner with a brush fitting. Take great care not to damage the surface. If
necessary, compressed air may be used to remove dirt.
3. Checking the fans (once a year), (fig.1).
Even if the required maintenance, such as changing of filters is carried out, dust and grease may slowly build up
inside the fan (pos.6 and 12 in fig. 1). This will reduce the efficiency.
The fans may be cleaned with a cloth or a soft brush. Do not use water. White spirit can be used to remove
obstinate settlements. Allow drying properly before remounting.
4. Cleaning extract louvers and inlet diffusers (when necessary)
The system supplies outdoor air to the building and extracts the used indoor air via the duct system and
diffusers/louvers. Diffusers and louvers are mounted in ceilings/walls in bedroom, living room, wet rooms, WC
etc. Remove diffusers and louvers and wash in hot soapy water as required. (Diffusers/louvers must be put back
with their original settings and positions in order not to unbalance the system).
5. Checking the outdoor air intake
Leaves and pollution could plug up the air intake grille and reduce the capacity. Check the air intake grille at least
twice a year, and clean if necessary.
6. Checking the duct system (when necessary)
Dust and grease settlements may build up in the duct system even if filters are changed regularly. This will reduce
the efficiency of the installation. The duct runs should therefore be cleaned/changed when necessary. Steel ducts
can be cleaned by pulling a brush soaked in hot soapy water, through the duct via diffuser/louver openings or
special inspection hatches in the duct system (if fitted).
NOTE! In addition roof cowl must be checked once a year and cleaned as necessary.

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
18
Troubleshooting
Should problems occur, please check or correct the following before contacting your service representative.
Always check if there are any alarms active in the control panel.
1. Fan(s) do not start
Check if there are any alarm messages
Check the settings in the control panel (times, week schedule, auto, manual operating etc.)
Check that the fuses are not defect
2. Reduced airflow
A.) Check the settings of fan speed
B.) Check that the Outdoor/Exhaust air damper, if used, opens
C.) Change of filters required?
D.) Cleaning of diffusers/louvers required?
E.) Cleaning of fans required?
F.) Is roof unit/air intake clogged?
G.) Duct system. Check visible duct runs for damage and/or build-up of dust/pollution
H.) Check diffuser/louver openings.
3. Cold supply air
A.) Check control temperature on the control panel
B.) Check if overheating thermostat is alert. If necessary, reset by pressing the red button, marked RESET , on
top of the connection box (pos.24 in fig.2)
C.) Check if the extract filter must be changed
D.) Check that the heat exchanger is rotating
E.) Check if the fan thermo contact has tripped, shows as Fan alarm in the control panel. If necessary, reset it
(see page 3).
4. Noise/vibrations
A.) Clean fan impellers
B.) Pull the fans out and check that the 2 screws holding the fans are tightened.
Service
Before calling your service representative, make a note of the specification and production number from the data
plate.

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
19
Commissioning record
Company
Responsible
Customer Date Installation
Object/Unit Item no. Installation address
Model/size Series no.
Present time and date set. Week schedule set.
External connections such as sensors, dampers, external alarms etc. done.
Function Preset value Set value
Temperature (°C).
Control function Temp.
Set point
Outdoor compensating
(supply air controlling)
Outdoor/supply temp.
Point 1,2 and 3
Point 4,5 and 6
Point 7 and 8
Min. supply set point
Max. supply set point
Switching point, between
supply and cascade
regulating
Supply Exhaust Room
18,0 °C
-30,0 / 22,0 -20,0 / 21,0 -11,0 / 20,5
-4,0 / 20,0 5,0 / 19,5 12,5 / 19,0
21,0 / 18,5 30,0 / 18,0
12,0 °C
30,0 °C
13,0 °C
Supply Exhaust Room
°C
/ / /
/ / /
/ /
°C
°C
°C
Air flow
Fan regulation
Airflow (m³/h)
Pressure (Pa)
CO2 (ppm)
Airflow (m³/h)
Pressure (Pa)
CO2 (ppm)
Set point Normal Supply fan * . Extract fan ** . Supply fan Extract fan
Set point Reduced Supply fan ***. Extract fan ****. Supply fan Extract fan
Outdoor compensation Lower point -20.°C 0 .m³/h, Pa
Upper point 10.°C 0 .m³/h, Pa
Lower point °C m³/h, Pa
Upper point °C m³/h, Pa
Only reduced fan speed
when outdoor is below. -20 °C °C
Topvex TR 09 * 3000 m³/h or 250Pa ** 3000 m³/h or 250Pa *** 1950 m³/h or 100Pa **** 1950 m³/h or 100Pa
Topvex TR 12 * 4200 m³/h or 250Pa ** 4200 m³/h or 250Pa *** 2700 m³/h or 100Pa **** 2700 m³/h or 100Pa
Topvex TR 15 * 5500 m³/h or 250Pa ** 5500 m³/h or 250Pa *** 3600 m³/h or 100Pa **** 3600 m³/h or 100Pa

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Topvex TR 09, TR12 & TR15 Operation- and maintenance instructions
205000 Systemair AB
20
Function Preset value Set value
Cooling
Control function cooling
On/off function
Not active 0-10V On/off
1step 2step 3step binary step
Not active 0-10V On/off
1step 2step 3step binary step
Number of binary steps 1 2 3 1 2 3
Lowering of min. control
temp. supply air, DX cooling 5,0 . °C °C
Humidity
Control function
humidification.
Disable
Humidification
De-humidification
Humidification / De-humidification
Disable
Humidification
De-humidification
Humidification / De-humidification
Sensors
(0-10V DC for 0-100% RH)
Room sensor
Room and Duct sensor (max limiting)
Room sensor
Room and Duct sensor (max limiting)
Set point 50. % RH % RH
Max. limit (duct sensor) 80. % RH % RH
Week scheduler settings
Preset week schedule is:
Period 1. 07:00-16:00 Monday-Sunday, normal fan-speed.
Period 2. 00:00-00:00 Monday-Sunday. 00:00-00:00 inactivates the period.
Weekday Period Normal Reduced
Mon. 1
: - : : - :
2
: - : : - :
Thu. 1
: - : : - :
2
: - : : - :
Wed. 1
: - : : - :
2
: - : : - :
Thurs. 1
: - : : - :
2
: - : : - :
Fri. 1
: - : : - :
2
: - : : - :
Sat. 1
: - : : - :
2
: - : : - :
Sun. 1
: - : : - :
2
: - : : - :
Holidays (month.day) Holidays (month.day) Holidays (month.day) Holidays (month.day)
1. . - . 7. . - . 13. . - . 19. . - .
2. . - . 8. . - . 14. . - . 20. . - .
3. . - . 9. . - . 15. . - . 21. . - .
4. . - . 10. . - . 16. . - . 22. . - .
5. . - . 11. . - . 17. . - . 23. . - .
6. . - . 12. . - . 18. . - . 24. . - .