CONTENTS
1 Security 8
2 Introduction 9
2.1 Range of application 9
2.2 Functions and control of the system 9
3 System overview 10
3.1 Range of Application 10
3.2 Sytem overview 11
3.3 Components of the system 12
3.4 Functions and Features 15
3.4.1 Room temperature control (surface heating/cooling) 15
3.4.2 Room temperature control optimisation functions 15
3.4.3 Hybrid technology (bus/wireless), pairing of room units 15
3.4.4 Integrated WLAN/LAN, operation via browser or app 15
3.4.5 Smart functions 16
3.4.6 Flow temperature control 16
3.4.7 Dehumidification 16
3.4.8 Over the air update (OTA) 16
3.5 System set-up 16
3.5.1 General procedure 16
3.5.2 Assignment of room units (pairing) 16
3.5.3 Set up and operate using integrated web pages 16
3.6 Operation, monitoring and maintenance on user App 17
3.7 System limits 17
4 Function 18
4.1 Operating modes 18
4.1.1 Heating / Cooling (automatic mode) 18
4.1.2 Only Heating / only Cooling 19
4.1.3 Heating / cooling manual 19
4.1.4 Energy levels 19
4.1.5 Selection of energy levels 19
4.1.6 Rules for overriding individual energy levels by global
setting 20
4.1.7 Temporary room temperature set point change
(timed mode) 20
4.1.8 Permanent room temperature set point change 20
4.2 Heating and cooling systems 21
4.2.1 Available systems 21
4.2.2 Combination of systems 21
4.2.3 Supply of systems 21
4.3 Heating mode 21
4.3.1 Start and stop of heating mode 21
4.3.2 Influence of pilot rooms 23
4.3.3 Boost function 23
4.4 Cooling mode 24
4.4.1 Cooling criterion 24
4.4.2 Flow temperature set point in cooling mode 25
4.4.3 Dew point monitor 25
4.4.4 Dehumidifiers 25
4.4.5 Summer compensation 26
4.5 Supply control of heat and cool media 26
4.5.1 Manifold selection 26
4.5.2 Pump control 26
4.5.3 Mixed circuits 27
4.5.4 Boiler and chiller control 27
4.6 Room temperature control 27
4.6.1 Adaption to used system 27
4.6.2 Controller type: Proportional – Integral (PI) 28
4.6.3 Valve control by PWM method 28
4.6.4 Overview to room individual settings 29
4.6.5 Timer programs 29
4.6.6 Auto start function 29
4.6.7 Pilot rooms 30
4.6.8 Parameter “economy” 30
4.6.9 User settings and operating 30
4.6.10 Remote temperature probe for room units 31
4.6.11 Rooms with various heating / cooling systems 31
4.6.12 Geofencing 31
4.7 Digital input and output signals 32
4.7.1 Digital input signal 32
4.7.2 Digital output signal 33
4.8 System operating and monitoring 34
4.8.1 Using the room units 34
4.8.2 Integrated web pages 34
4.8.3 Installer only web pages – Commissioning wizard for
global system set-up 34
4.8.4 Installer only web pages – Room setup and
parametrization 35
4.8.5 User Web pages 35
4.8.6 NEA SMART 2.0 App 35
4.8.7 Warnings and alarm functions 35
4.9 System response in case of fault 36
4.9.1 Communication problems 36
4.9.2 Probe faults 36
4.9.3 Control issues 36
4.9.4 Other issues 36
5 Component selection 38
5.1 Starting Point 38
5.2 Minimum and maximum configurations 38
5.3 Selection Process 39
5.3.4.1 Hydraulic Manifolds 39
5.3.1 Mixed circuits 39
5.3.2 Dehumidifiers 39
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