Swegon CLASS UNIT 1000 Assembly, Operation And Maintenance Instructions Download | Manualshive

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Operation and maintenance instructions

CLASS UNIT

Applicable to program versions TAC5

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Summary of Contents for CLASS UNIT 1000

Page 1: ...Operation and maintenance instructions CLASS UNIT Applicable to program versions TAC5...

Page 2: ...and maintenance instructions CLASS UNIT TAC5 1 0 Safety precautions 2 0 Product Overview 3 0 Wiring Overview 4 0 Functions 5 0 Commissioning 6 0 Preventive maintenance 7 0 Troubleshooting 8 0 Paramete...

Page 3: ...nit should always be operated with closed doors and panels If the unit is installed in a cold place make sure that all joints are covered with insulation and are well taped Duct connections duct ends...

Page 4: ...TAC5 DG circuit fac tory pre wired 2 Supply fan 3 Exhaust fan 4 Air Air heat exchanger modulating 100 by pass 5 Drain pan COMPONENTS CLASS UNIT 6 GF ePM10 50 filter at fresh air inlet 7 GF ePM10 50 f...

Page 5: ...ay 1 SAT3 PRESSURE ALARM T3 to outdoors T sensor prewired O R 2 output relay 2 SAT3 FAN ON O R 3 output relay 3 SAT3 HEATING DEMAND OUTPUT T5 supply T sensor for KWout coil prewired O R 4 output relay...

Page 6: ...lation system such as blocking of air terminals and dust accumulating in filters causes the fans to run at a higher speed This results in higher power consumption and may also cause discomfort in the...

Page 7: ...the setpoint AFn In pressure control mode the supply air pressure will modulate between 100 and 50 AFlow of the setpoint AFn If the exhaust air temperature T3 is 1 C the supply air fans will stop unt...

Page 8: ...and high and as a fourth position the unit is switched off 5 1 COMMISSIONING WITH TACtouch INTERFACE The hand held terminal consists of a 4 3 touch screen with a 1 5 metre long cable for connection to...

Page 9: ...tion The system is preset for automatic changeover between summer time winter time accord ing to EU Standard 5 1 2 MAIN MENU The main menu consists of a rotary menu with 6 icons Control The control me...

Page 10: ...e air handling unit is started up for the first time the commissioning menu is automati cally displayed At the very end of the commis sioning menu the commissioning of the unit has to be confirmed by...

Page 11: ...he desired setpoint is preset in l s m h The sleep factor is a lower operating rate for the unit due to e g low occu pancy that will be activated by speed III Setting Range Factory setting Vmin 0 10V...

Page 12: ...10V 0 8V Stop if Vhigh No Yes Yes Vhigh 0 10V 10 0V Second 0 10V control signal Function only availalbe if demand control function has been selected in basic setup With this function a separate 0 10V...

Page 13: ...sec 90sec Internal coils Electrical postheating coil The electrical postheating coil is installed and configured in factory The electrical postheating coil will always have its separate power supply a...

Page 14: ...low Fan 1 Pressure Fan 1 Flow Fan 2 Pressure Fan 2 Flow Fan 3 Pressure Fan 3 Flow Fan 4 Pressure Fan 4 Torque Fan 1 Torque Fan 2 Torque Fan 3 Torque Fan 4 Pressure Fan 1 Attention before handling and...

Page 15: ...ED s on control board Alarm on user interface Alarm communication with networking modules provided that an optional communication module Modbus RTU MODBUS TCP IP and KNX is installed on the TAC contro...

Page 16: ...e pressure Supply air flow not reached P 25 Initialisation of the reference pressure Extract air flow not reached P 26 Initialisation of the reference pressure Supply air flow too high Min limit of th...

Page 17: ...the running hours feature must be enabled in advanced setup Causes SERVICE ALARM the fan operating time in hours has exceeded the configurable threshold STOP FAN the fan operating time in hours has e...

Page 18: ...relay O R 1 LED ALARM LED AF Fans Alarm status ON Manual reset mandatory Conditions Only with post heating option Causes The comfort T setpoint cannot be reached actual T lower than setpoint during 15...

Page 19: ...mon reason for this is a damaged position sensor on the bypass actuator and this must be replaced Other reasons may be that the control board output is damaged implying the replacement of the board or...

Page 20: ...Airflow O Demand control O Constant Torque O Constant pressure 3 Constant Airflow K1 O m h O l s K2 O m h O l s K3 O m h O l s 4 Constant Torque K1 Torque K2 Torque K3 Torque 5 Demand control Vmin V V...

Page 21: ...42 EC LVD included Complies also with applicable requirements of the following EC directives 2014 30 EU EMC 2009 125 EC Ecodesign Regulation nr 1253 2014 LOT 6 2011 65 EU RoHS 2 including amendment 2...

Page 22: ...Version 20220725 We reserve the right for changes...

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