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Summary of Contents for SystemAir Topvex SX/C
- Page 1 Topvex SX/C, Topvex TX/C Air Handling Unit Operation and Maintenance Instructions Document in original language | 154394 · A001...
- Page 2 © Copyright Systemair AB All rights reserved 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. 154394 | A001...
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Page 3: Table Of Contents
Contents Warnings............1 Product description..........2 Internal components .......2 Description of internal components ....3 2.2.1 Supply and extract air fans ........3 2.2.2 Pressure sensor fans/ filters........3 2.2.3 Supply and extract air filters........3 2.2.4 Heat exchanger ......3 2.2.5 Switch module......3 2.2.6 Temperature sensor....3 2.2.7 Water heating battery ....3 2.2.8... -
Page 5: Warnings
Warnings | Warnings 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 •... -
Page 6: Product Description
| Product description Product description Internal components Fig. 1 Position Description Symbol Connection supply air Connection exhaust air Connection outdoor air Connection extract air Fan supply air Fan extract air Filter supply air Filter extract air Heat exchanger Electrical connection box Damper by-pass outdoor air Pressure transmitter supply air fan/extract air filter Pressure transmitter extract air fan/supply air filter... -
Page 7: Description Of Internal Components
2.2.4 Heat exchanger Topvex SX/C, TX/C models are equipped with a counter flow heat exchanger and a by-pass damper. The operation of the by-pass damper is automatic and depends on the set temperature or if deicing is in operation. For defrosting a pressure transmitter is installed which measure the differential pressure over the heat exchanger. -
Page 8: Free Cooling Description
| Product description Danger • Make sure that the mains power supply to the unit is disconnected 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. -
Page 9: Section Defrosting
Product description | 2.2.10 Section defrosting The need for section defrosting is depending on the humidity in the extract air and the outdoor air temperature. The general function is to defrost one section at the time with the warm extract air. If more heating is required the integrated control module regulate the by-pass damper and the exchanger dampers to- wards increased energy recovery. -
Page 10: Internal Components Electrical Connection Box
| Product description Internal components electrical connection box Fig. 2 Description Position Control unit CU283W-4 Transformer 230/24V AC Terminals for internal and external components Terminals for internal wiring Terminals for mains power supply to the unit Contactor (K2) On/Off Pump control water (HW units only, not present in EL-units) Automatic fuse Automatic fuse for heater (EL units only) Contactor (K3) EL heater (EL units only) -
Page 11: Maintenance
Maintenance | Maintenance Important Danger • Make sure that the mains power supply to the unit is disconnected 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. -
Page 12: Maintenance Instruction
Changing supply/extract air filter The bag filter cannot be cleaned and must be changed when necessary. New filters can be ordered from Systemair. Op- eration time between filter changes depends on the air pollution at the installation site. A differential pressure switch indicates when it’s time to change the filters. -
Page 13: Checking The Fans
Maintenance | 3.3.3 Checking the fans Even if the required maintenance, such as change of filters is carried out, dust and grease may slowly build up inside the fans. This will reduce the efficiency. The fans are easily taken out from the unit by loosening the 2 bolts (pos 1) on the rail (pos 2) and disconnecting the fast couplings to the electric wires. -
Page 14: Changing The Internal Battery
| Maintenance cleaned by pulling a brush, soaked in hot soapy water through the duct via diffuser/louvre openings or special inspec- tion hatches in the duct system (if fitted). 3.3.9 Changing the internal battery Note: This procedure requires knowledge of proper ESD protection; i.e. an earthed wristband must be used! When the alarm ”Internal Battery”... -
Page 15: Troubleshooting
Troubleshooting | 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 •... -
Page 16: Service
Ver. A Topvex XXXX 230/400V 25 A 50Hz 4016 W IP23 225kg 16kW 16kW Serial. no: 1234/567891-0001/140214 Systemair Sverige AB Industrivägen 3 SE-73930 Skinnskatteberg www.systemair.com Sweden Fig. 3 Type label Position Description Item number Production order number Consecutive number Production date... - Page 17 154394 | A001...
- Page 20 Systemair Sverige AB Industrivägen 3 SE-739 30 Skinnskatteberg, Sweden Phone +46 222 440 00 Fax +46 222 440 99 www.systemair.com...
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