Table Of Contents - Rehau NEA SMART 2.0 Service Manual

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