
HEAT RECOVERY UNIT
en
en-2 B
. . . Contents
1 Introduction 4
1.1 About this manual 4
1.2 How to read this manual 4
1.3 About the unit 5
1.4 Components and accessories 10
1.5 Safety instructions 11
2 Installation 13
2.1 Inspection on delivery 13
2.2 Hanging the unit up 13
2.3 Connecting the unit to the ventilation system 17
2.4 Connecting the unit to the central heating and heat recovery system 18
2.5 Installing condensate drain 19
2.6 Connecting components to electronics module 20
2.7 Connecting the unit to Modbus 21
2.8 Installing the b-touch control panel (accessory) 22
2.9 Connecting the temperature sensor (accessory) 24
2.10 Installing sensors for control (accessory) 24
2.11 Installing external controls 25
2.12 Connecting the unit to the mains supply 27
2.13 Switching on and checking operation 29
3Operationviab-touch 37
3.1 Control panel 37
3.2 The Home screen 38
3.3 Main menu 40
3.4 Preferences 41
3.5 Settings 42
3.6 Configuration 43
3.7 Maintenance 48
3.8 USB 50
4 Operation via Modbus 52
4.1 Frequently used register addresses 52
4.2 All register addresses 58
5Errors 59
5.1 Resolving simple problems 59
5.2 Remedying errors that are accompanied by an error message 60
5.3 Reading out errors 60
5.4 Error codes registers 60
5.5 Error messages on the control panel 61
5.6 Remedying errors that are not accompanied by an error message 62