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.
This manual includes the information required for installing the heat recovery unit type Topvex SC, TC manufactured by
Systemair Sverige AB. The units include the following model options:
The air handling units is delivered with airflow control CAV (Constant Air Volume).
Models:
Side connected:
Top connected:
Options:
Electrical cabinet & supply air intake position:
Defrosting method:
Heater option:
Fan impeller:
EL heater options:
SC/TC20SC/TC25SC/TC35SC/TC60SC/TC70
The key to proper and safe operating is to read this manual thoroughly, use the air handling unit according to given
guidelines and follow all safety requirements.
If accessories not included in the delivery will be used, read their separate instruction.
214958 | A001
Warnings
|
2
2Warnings
The following admonitions will be presented in the different sections of the document:
Danger
• Indicates a potentially or imminently hazardous situation which, if not avoided, could result in death or
serious injury.
Warning
• Indicates a potentially hazardous situation that may result in minor or moderate injuries.
Caution
• Indicates a risk of damaging the product or prevent optimal operation.
Important
• This appliance can be used by children aged from 8 years and above and persons with reduced physical,
sensory or mental capabilities or lack of experience and knowledge if they have been given supervision
or instruction concerning use of the appliance in a safe way and understand the hazards involved.
• Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children
without supervision.
214958 | A001
Unloading from trailer |
3Unloading from trailer
Warning
• The unit is heavy. Be careful during transport and installation. Risk of injury through pinching. Use
protective clothing.
• Observe the centre of gravity during transportation.
The air handling unit is fixed on a pallet. Topvex SC60, Topvex SC70, Topvex TC60, Topvex TC70, are delivered fixed on
pallet in sections and secured with a packing belt.
3.1Lifting unit with forklift truck
Unload the air handling unit from the trailer using a forklift truck with enough length on the fork, preferable from the
short side. Unloading from the longside require wider forks.
3
214958 | A001
| Unloading from trailer
4
3.2Using lifting frame
Warning
• Secure the lifting cable on the tubes.
• Do not compress the air handling unit’s chassi with the cables.
Use a lifting frame connected to pipes in the air handling unit’s feet.
For size Topvex SC20-Topvex SC35, Topvex TC20–Topvex TC35, place the lifting tubes in the outer feet of the air handling unit.
Topvex SC60, Topvex SC70, Topvex TC60, Topvex TC70 are placed in sections on a pallet. Use lifting frame to lift section
by section. Place the lifting tubes in the feet.
Attach the lifting cables to the tubes.
214958 | A001
Transport and storage |
4Transport and storage
Danger
Do not loosen packing belt until the air handling unit is on location for installation!
4.1Storage
Store the unit covered from dust, rain and snow. Keep duct connections covered during storage and installation.
5
5Unpacking
Remove the plastic covering the air handling unit.
NaviPad and one handle is packed on top of the unit.
Supply air sensor, remaining handles, mounting feet, drainage pipe with drain trap are enclosed inside the unit at
delivery.
214958 | A001
Duct connections
|
6
6Duct connections
6.1Topvex SC
Supply air
Position
1
2Fan extract air
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Description
Fan supply air
Filter supply air
Filter extract air
Heat exchanger
Access control cabinet
Damper by-pass outdoor air/Section defrosting (only units with section defrosting)
Control box for section defrosting (only for unit with section defrosting)
Internal electrical connection box
Re-heater battery (EL or HWH/HWL)
Pressure transmitter supply air fan/extract air filter
Pressure transmitter extract air fan/supply air filter
Pressure transmitter defrosting exchanger
Air flow sensor (only for units with electrical re-heater battery)
Condensation drain, outdoor air
Condensation drain, extract air
Water battery connection
Extract air temperature sensor (ETS)
Efficiency temperature sensor (EFS)
Outdoor air temperature sensor (OS)
Exhaust air temperature sensor (EHS)
Exhaust airOutdoor air
Extract air
214958 | A001
6.2Topvex TC
Duct connections
|
7
Supply air
Position
1
2Fan extract air
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Description
Fan supply air
Filter supply air
Filter extract air
Heat exchanger
Access control cabinet
Damper by-pass outdoor air/Section defrosting (only units with section defrosting)
Control box for section defrosting (only for unit with section defrosting)
Internal electrical connection box
Re-heater battery (EL or HWH/HWL)
Pressure transmitter supply air fan/extract air filter
Pressure transmitter extract air fan/supply air filter
Pressure transmitter defrosting exchanger
Air flow sensor (only for units with electrical re-heater battery)
Condensation drain, outdoor air
Condensation drain, extract air
Water battery connection
Extract air temperature sensor (ETS)
Efficiency temperature sensor (EFS)
Outdoor air temperature sensor (OS)
Exhaust air temperature sensor (EHS)
Exhaust airOutdoor air
Extract air
214958 | A001
| Installation
8
7Installation
Topvex SC, TC are meant for indoor installation. Place the unit preferably in a separate room (e.g. storage, laundry room,
attic or similar).
Verify that all ordered equipment are delivered before starting the installation. Report any deviation from the ordered
equipment to the supplier of the Systemair products.
On location for installation
• Remove the screws in the pallet, loosen the packing belt.
• Unload the air handling unit, section by section. Use a pallet lift on the short side for the left and right section, move
the middle section from the long side of the pallet.
Before putting into operation
• Remove the parts packed in the air handling unit and install properly.
• Remove all packing material from the unit.
214958 | A001
Installation |
7.1Requirements for installation
Warning
The unit is heavy. Be careful during transport and installation. Risk of injury through pinching. Use protective
clothing.
Location for installation
• Level the floor surface. It’s important that the unit is completely in levelled before it is put into operation.
• Place the outdoor air intake in the northern or eastern side of the building, away from other exhaust outlets.
• Make sure inspection doors are accessible for maintenance.
• Free space for opening of doors and taking out components for service (see dimension drawing).
• Avoid placing the unit against a wall. If not possible, insulate carefully.
Electrical
• Do not cut the mains power supply to the unit if installed in an colder area.
• Do not expose the electronic components lower temperature than 0° C and higher than +50° C.
• An all pole circuit breaker with a minimum 3 mm gap must precede the unit’s electrical connection to the mains
power supply.
• Connect the unit electrically to the mains power supply through a safety switch (available as an accessory). Connect
the wiring to the internal electrical connection box. See enclosed wiring diagram.
9
Before operation:
• Remove and install enclosed parts.
• Connect ducts and provide with protection.
• Remove package material from the unit.
• Close the doors.
214958 | A001
| Installation
10
7.2Disassembly size SC 60-70, TC 60-70
Disassemble the middle section for transport through smaller openings (min 900 mm).
Heaviest part is the heat exchanger: 48kg x 2.
Table 1 Tools required
Allen key, 8 mm (5/16"), torx 20, screwdriver, drive pin punch
Warning
More than one person is needed to disassembly safely. Stand on stable ground when disassembly.
Remove the doors
1. Remove the cover over the hinges with a screwdriver.
2. Remove the hinge pins
3. Remove the doors on front and back side.
214958 | A001
Remove damper
Warning
Beware of sharp edges. Use gloves and protective clothing.
4. Loosen the bolts holding the damper rails. Remove the damper rails.
5. Rotate the damper and lift in the direction away from the exchanger.
6. Lift the damper out from the middle section.
Caution
Do not drag the damper on the exchanger.
Installation |
11
Fig. 1 Image shows Topvex SC60
Remove rail holding the exchanger
7. Loosen the bolts holding the rail on the opposite side of the partition wall.
214958 | A001
| Installation
12
Remove middle door beams
8. Loosen the screws on the door beams (6 screws on front and 6 screws on the back) and remove the beams.
Remove the roof
9. Remove the cabling from the roof part.
10.Loosen and remove the 8 screws for the roof’s outer beams.
11.Remove the roof.
Warning
The roof part is bulky, two person is needed.
12.For weight reduction; remove the upper partition wall (remove bunch band anchors for cabling).
214958 | A001
Remove the beams
13.Loosen and remove the 8 screws for the floor on the outer beams.
Installation |
13
14.Loosen and remove the 8 screws on the reinforcement struts.
214958 | A001
| Installation
14
15.Remove the beams.
16.Possible to disassembly the beams further.
Remove the heat exchanger
Caution
• Handle the heat exchanger with care.
• The heat exchanger is heavy.
17.Remove the heat exchanger and bypass.
214958 | A001
7.3Assembly of Topvex SC60, Topvex SC70
Attach the heat exchanger
Caution
• Handle the heat exchanger with care.
• The heat exchanger is heavy.
1. Carefully place the heat exchanger and bypass on the bottom plate.
Installation |
15
Fasten the beams
2. Fasten the beams with the 8 screws on the reinforcement struts.
214958 | A001
| Installation
16
3. Fasten the floor’s 8 screws on the outer beams.
Fasten the roof
Warning
The roof part is bulky, two person is needed.
4. Fasten the roof’s outer beams with 8 screws.
5. Fasten the cabling to the roof.
214958 | A001
Fasten the door beams
6. Fasten the door beams (6 screws on front and 6 screws on the back).
Installation |
17
Fasten the rail holding the partition wall
7. Fasten the bolts holding the rail on the opposite side of the partition wall.
214958 | A001
| Installation
18
Fasten the damper
8. Insert the damper in the area above the exchanger.
Caution
Do not drag the damper on the exchanger.
9. Lift the damper with the short end on the rail at the outer beams. Observe the small hooks to secure the damper.
10.Fasten the damper rails with the bolts.
Mount the doors
11.Place the doors in position.
12.Unite the hinges and replace the pin.
214958 | A001
13.Unite the parts of the air handling unit using a pallet lift.
14.Open the middle doors and section doors.
15.Remove the filters for easy access.
16.Use an allen key on the side of the 8 connectors, to lock the unit’s sections.
Installation |
19
Fig. 2 8 connectors
214958 | A001
| Installation
20
17.From the inside, attach the quick connection cables between the sides and middle section, figure 3. Cables are
marked to facilitate correct connections.
Note:
Observe the cable markings.
Fig. 3 Quick connection, image shows only one cable
214958 | A001
Installation |
H
32
60
(mm)
7.4Connect the condensation drain
Connect the drainage pipe and drain trap on the exhaust air side at the bottom of the unit figure 4. Cut the drainage pipe
to required height, see table 2.
21
Fig. 4
Table 2
H (mm)Max. Negative pressure (Pa)
100300
1
135
1801000
1
Normal conditions
600
214958 | A001
| Installation
22
7.5Mount the supply air sensor
Mount the supply air sensor in the supply air duct. Connect the supply air sensor to the control unit CU27–C located in
the Access control cabinet. Connect according to below table.
All other temperature sensors are built in to the unit from factory.
CU27
T81: UI11
T81: REF2
TG-KH/PT1000 Duct sensor
Fig. 5 Installed supply air sensor, Topvex SC, left hand unit
7.6Insulate the ducts
Insulate outdoor and exhaust air ducts against condensation. All ducts installed in cold rooms/areas must be well insulated. Use minimum 100 mm mineral wool insulation covering with plastic diffusion barrier.
Install additional insulation in areas with extremely low outdoor temperatures.
Caution
• Cover the joints with insulation and tape well if the unit is installed in a cold place.
• Keep duct connections/duct ends covered during storage and installation.
• Do not connect tumble dryers to the ventilation system.
7.7Silencer
Install silencers on both supply and extract air to avoid fan noise transference through the duct system.
Install silencer before every inlet diffuser to avoid noise transference between rooms.
214958 | A001
Electrical connections |
8Electrical connections
Danger
• Disconnect the mains power supply to the unit before performing any maintenance or electrical work!
• Carry out all electrical connections in accordance with local rules and regulation. Electrical connections
must be carried out by an authorized installer.
Warning
The unit must not be put into operation before all the electrical safety precautions have been read and
understood.
8.1Connect mains power supply
Connect the mains power supply in the internal electrical connection box. Remove the hatch by unscrewing four
screws.
Possible to reset tripped fuse without opening the hatch.
23
Fig. 6
PositionDescription
1
2
3
Terminals for mains power supply
Automatic fuse 1~ (Controls only)
Automatic fuse 3~(Fans only)
214958 | A001
| Electrical connections
24
8.2Connect power supply to electrical re-heater
Connect the mains power supply to the re-heater, figure 7.
Possible to reset fuse and overheat protection for EL units without opening the hatch to the compartment.
Fig. 7
PositionDescription
1
2
3
4TTC
Terminals for mains power supply
Automatic fuse for heater
Manual overheat protection reset
214958 | A001
Access control cabinet |
9Access control cabinet
Danger
Disconnect the mains power supply to the unit before moving the Access control cabinet or opening the lid.
Warning
Before obtaining access to terminals, all supply circuits must be disconnected.
Access control cabinet is mounted on top of the unit. It is possible to remove the cabinet and mount it in a suitable location. An extension kit is available as an accessory.
25
Fig. 8 Image shows Topvex SC70
PositionDescription
1
2
Control unit CU27–C
Terminals
214958 | A001
| NaviPad control panel
HMI
BMS
Ext. link
26
9.1CU27–C
All controlling through digital output is connected to CU27–C by using the cabling enclosed at delivery.
Fig. 9 CU27–C
10NaviPad control panel
NaviPad is not for outdoor mounting. The protection class of the NaviPad control panel is IP54 and permitted temperature is 0-50° C. Communication between the panel and the control unit in Access control cabinet is possible with up to
100 meters of cable.
214958 | A001
NaviPad control panel |
10.1 Connect NaviPad
Loosen the 6 screws to the lid of Access control cabinet. Pull up the connection lid and the comb with plugs that seals
the connection area. Brake loose one plug required to connect NaviPad.
Connect NaviPad to the HMI inlet on CU27–C in the Access control cabinet.
27
Follow the instructions on the screen for calibration.
Available air handling units will be shown in the device list. Choose the air handling unit you want to pair with your NaviPad. Use the controller’s serial number in the air handling unit to be sure to pair the correct air handling unit with
NaviPad.
If the start-up wizard is cancelled it will start again during next power up of the NaviPad, this will continue until start-up
wizard is successfully finished.
10.2 Password
Operator mode 1111
Service mode 0612
214958 | A001
| NaviPad control panel
B
A
C
F
E
D
3 m
28
10.3 Dimensions NaviPad
NaviPad is the control panel for Systemair´s air handling units and contains several selectable languages.
ABC
15322140,359,477,53,2
c/cD
EF
10.4 Mount NaviPad holder on the air handling unit
NaviPad control panel including 3 m cable, holder and screws are enclosed with the air handling unit. Mount the holder
by using the holder as a drilling template. Suitable place is on one of the front doors.
214958 | A001
10.5 User levels
End user
When logged out
NaviPad control panel |
Read /write — Home page (Figure 1)
Possible actions in end user mode are to stop the air handling unit for
maintenance (e.g. filter exchange), change the time for extended run and
change the temperature setpoint.
Flow diagram and active alarms in alarm list are visible.
29
Operator mode — log in
with 1111
Logged in
Service mode — log in
with 0612
Logged in
Read and write privileges (except Configuration).
Acknowledge/block/unblock alarms and view the alarm history.
Full read and write privileges.
10.6 Configuration wizard
A configuration wizard is available in the configuration menu. This could be used for the most common
configurations.
Configuration > Configuration wizard
Set up pressure control
Set up cooler
Set up change over
Exit to configuration manuComplete configuration wizard
2020–01–02
>
>
>
>
214958 | A001
| Additional equipment
2000
56.3
118309
765
A
B
CD
E
F
1318
259415
øG
118
94
H
495814
996
1695
94
877
500
350413
127
482
668
627637
240400300
118
2540
118634655
705820
30
11Additional equipment
For information concerning additional external equipment such as valve actuators, motorized dampers, roof units, wall
grilles etc. see technical catalogue and their enclosed instructions.
For electrical connections of external components see enclosed wiring chart and separate documentation.