VAV duct pressure control kit
Topvex SC/TC
Installation instructions
Document in original language | 247018 · A001
GB
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E&OE
Systemair AB 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.
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1 General VAV-kit .... .... .... . ... . .... .... .... .... .... .... .... .1
2 Warnings. .... . .... .... .... .... .... .... .... .... . ... . .... .... .... 1
3 Mount pressure transmitters.. .... .... .... .... .... .... . ...1
4 Wiring.... .... . ... . .... .... .... .... .... .... .... .... . .... ... . .... .2
5 Configuration guide Topvex (Access) ... .... .... .... .... 3
5.1 Log in ... .... .... ..... ... . .... .... .... .... .... .... .... . .3
5.2 Configuration wizard . . ... . .... .... .... .... .... .... .3
5.3 Activation.. .... .... .... .... . ... . .... .... .... .... .... ..3
5.4 Allocation . .... .... .... .... ..... ... . .... .... .... .... ...4
5.5 Operation settings ... . ... . ... . .... .... .... .... .... ..5
5.6 Save local settings... .... .... . ... . ... . .... .... .... ..5
Contents
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General VAV-kit |
1 General VAV-kit
The VAV duct pressure control kit is used for VAV control of air handling units. Included in the kit are: 2 pcs of pressure
transmitters PTE (Pressure Transmitter Extract), PTS (Pressure Transmitter Supply), pressure outlet, tubes, electrical cables (4 m) and installation instruction.
The pressure transmitters max working range is 0...1250 Pa.
2 Warnings
Danger
• Disconnect the mains power supply to the unit before performing any maintenance or electrical work.
• All electrical connections must be carried out by an authorized installer and in accordance with local rules
and regulations.
• Beware of sharp edges during mounting.
3 Mount pressure transmitters
Mount the pressure transmitters in the supply and extract air ducts (figure 1) and connect according to the wiring diagram, figure 2.
Supply duct, connect the tube from the supply duct to +. Extract duct, connect the tube from the extract duct to -.
1
Connect the electrical cables to the electrical connection box.
Fig. 1
Supply air
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Exhaust air Outdoor air
Extract air
Wiring
White
Yellow
Brown
White
Yellow
Brown
White
Yellow
Brown
1 2 3 4
1 2 3 4
1
6
1
2 3 4 5 6
1
6
24V
0V
AI5
T15
24V
0V
AI4
T16
PTE
PTS
White
Yellow
Brown
PTE
PTS
|
2
4 Wiring
Change the settings of the dip-switches according to table 1.
Fig. 2
Table 1 Dip-switch 2, 3 and 4
Dip-switch setting
Pressure range (Pa)
2 = OFF, 3 = OFF, 4 = OFF 0...50
2 = ON, 3 = OFF, 4 = OFF 0...100
2 = OFF, 3 = ON, 4 = OFF 0...300
2 = ON, 3 = ON, 4 = OFF 0...500
2 = OFF, 3 = OFF, 4 = ON 0...700
2 = ON, 3 = OFF, 4 = ON 0...1000
2 = OFF, 3 = ON, 4 = ON 0...1250
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5 Configuration guide Topvex (Access)
5.1 Log in
Log in with service mode using password 0612.
Overview:
Service
0612
Login
Step by step:
Configuration guide Topvex (Access)
|
3
1.
2.
3.
4.
Open the log in window
Select service from drop down list
Type in password 0612
Press Login.
5.2 Configuration wizard
A configuration wizard is available from software version 4.1. By using the wizard, the following steps in chapter 5.3
and chapter 5.4 can be omitted.
Configuration > Configuration wizard
Set up Pressure control
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5.3 Activation
Activate pressure control.
>
Select Pressure as Fan control type in the Configuration > Function configuration > Function activation menu.
Overview:
Configuration > Function Configuration > Function
activation
Fan control type
Step by step:
1.
2. Select Function configuration
3. Select Function activation
4. Select Pressure as Fan control type.
Select Configuration from the navigation icons
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Pressure
|
4
Configuration guide Topvex (Access)
5.4 Allocation
Setup differential pressure sensors.
Select I/O placement for the differential pressure sensors and set the sensors’ measuring range in the Configura-
tion > I/O allocation settings > Analog inputsmenu.
Overview:
Configuration > I/O allocation settings > Analog
inputs
Analogue inputs
Pressure supply air Controller
Pressure extract air
Configuration > ... > Analog inputs > Pressure supply
air
Sensor value at V
Sensor value at V
min
max
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Device Position
AI4
Controller
AI5
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0.0
500.0
Step by step:
1.
Select Configuration from the navigation icons
2. Select I/O allocation settings
3. Select Analog inputs
4. Select AI4 as signal for Pressure supply air
5. Select AI5 as signal for Pressure extract air
6. Select Pressure supply air
7. Set Sensor value at V
8. Set Sensor value at V
the same as the start point of the sensor’s selected measuring range
min
the same as the end point of the sensor’s selected measuring range
max
9. Go back to Analog inputs (use the navigation path Configuration > I/O allocation settings > Analog
inputs)
10.Select Pressure extract air and repeat steps 7 and 8.
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Configuration guide Topvex (Access)
5.5 Operation settings
Adjust the fan pressure set points in the Data & Settings > Fan Control > Fan setpoints.
Overview:
|
5
Data settings > Fan control > Fan setpoints
Setpoint low speed supply air fan
Setpoint low speed extract air fan
Setpoint normal speed supply air fan
Setpoint normal speed extract air fan
Setpoint high speed supply air fan
Setpoint high speed extract air fan
Step by step:
1.
2. Select Fan control
3. Select Fan setpoints
4. Select and adjust set points for the available fan speed levels.
Select Data & settings from the navigation icons
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100 Pa
100 Pa
200 Pa
200 Pa
200 Pa
200 Pa
5.6 Save local settings
When the installation is complete and all functions are tested it is recommended to save a local backup of the current
configuration in the controller.
Select Yes on Commissioning settings in the Configuration > System settings > Save and restore set-
tings menu.
Overview:
Configuration > System settings > Save and restore
settings
Save commissioning settings
Step by step:
1.
2. Select System settings
3. Select Save and restore
4. Select Yes on Save commissioning settings.
Select Configuration from the navigation icons
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Yes
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Systemair Sverige AB
Industrivägen 3
SE-739 30 Skinnskatteberg, Sweden
Phone +46 222 440 00
www.systemair.com
VAV duct pressure control kit · Installation instructions · 247018 · en_GB · 2020-10-20 · A001
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