Rehau NEA H 24 V User manual

NEA H 24 V & NEA H 230 V
REHAU ROOM THERMOSTAT
USER INSTRUCTIONS AND QUICK INSTALLATION GUIDE
www.rehau.co.uk
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Safety
Important info
Your benefit
Scope of supply
Thermostat (1 pc) Anchors & Screws (2 pcs) Manual (1 pc)
Contents
Scope of supply . . . . . . . . . . . . 30
Introduction . . . . . . . . . . . . . . 31
Product compliance and safety . . . . 31
Safety information . . . . . . . . . . . 31
Installer parameter settings, expert level 32
Mounting position and installation . . . 33
Removing cover from the Nea . . . . . 39
Thermostat control and display . . . . 40
Adjusting set temperature . . . . . . . 42
Operational modes. . . . . . . . . . . 42
Display messages . . . . . . . . . . . 43
General function information . . . . . . 43
Technical data . . . . . . . . . . . . . 44
30

Introduction
Thank you for purchasing the REHAU room
thermostat Nea. The Nea H is a parameter-
izable digital room thermostat which is
available in 24 V and 230 V versions and
oers simple temperature adjustment of
your heating system.
By purchasing one of the REHAU room
thermostats Nea you have decided on an
electronic thermostat that allows you to
adjust surface heating applications
individually, such as underfloor, wall or
panel heating. Tailor-made single room
control can be implemented depending on
system design. A clear energy saving is
possible by reducing temperature.
We hope you enjoy this product.
Product compliance and safety
Product compliance
This product is CE compliant and meets the
following EC Directives
- Electro-Magnetic Compatibility Directive
2004/108/EC
- Low Voltage Directive 2006/95/EC
Safety information
Use in accordance with the
regulations.
The room thermostat Nea H is to be used
for the room control of hot water surface
systems inside the house and not
considered for flow control or flow control
supervision in case of heating or cooling. In
this context the Nea H must be used
exclusively to drive thermal actuators. The
manufacturer is not liable for improper use.
Authorized specialists
The electrical installation must be
performed according to the current national
regulations as well as according to the
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regulations of your local electric power
utility company. These instructions require
special knowledge corresponding to an
ocially acknowledged degree in one of the
following professions:
- Electrical Equipment Installer or
Electronics Engineer
According to international regulations, as
well as according to comparable profes-
sions within your specific country law.
Sources of danger
The thermostat must be discon-
nected from the mains supply or fuse
before removing the cover.
Emergency
Switch o the voltage to the
complete individual room temperature
control system.
Installer parameter settings, expert level
The thermostat Nea is equipped with
various parameters. These parameters can
easily be modified for your specific
application. See the Nea Service and Expert
Parameters section at www.rehau.com/nea
Please note that the parameter
sections must only be entered by an
installer or competent person. Changing
these parameters can have a serious eect
on the heating system.
Please enter any parameter changes
in the installer notes section.
32

Mounting position and installation
To ensure trouble free operation and
ecient control. The room
thermostat Nea is best positioned in a draft
- free area and at 130 cm from the floor. Do
not position the thermostat near any heat
source, behind curtains, direct sunlight or in
an area of high humidity.
- Not to be positioned on exterior wall
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
For your benefit symbol
To ensure trouble free operation and efficient control. the room thermostat Nea
is best positioned behind a door and at 130cm from the floor.
(Pic)
Do not position the thermostat:
1. Near any heat source (pics)
2. Behind curtains(pic)
3. Direct Sunlight(pic)
4. In a bathroom or area of high humidity(pic)
Info symbol
· Not to be positioned on exterior wall
· Do not install the remote sensor (if applicable) in an empty tube
· Only the temperature at the position of remote sensor (if applicable) is measured
130cm
130cm
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Installation
1Wall mounting
For wall mounting, mark and mount the rear
case to the wall. The Nea is suitable for wall
boxes with a center hole distance of
60mm.
* screw head maximum size
2Wiring connections
Solid and stranded wire
max 1.5 mm² square
A55 mm
B8 mm
7 mm*
60 mm
19 mm
75 mm
88 mm A
B
Wiring connection Nea H 24 V & 230 V
34

Nea H wiring
* Room thermostat Nea H 230 V and 24 V are separate models
Optional External Time Switch
Max. 5 Thermal Actuators
L/L1 N/L2
L1
L2
L
N
24 V230 V
230 V AC
L N
24 V AC
L1 L2
230 V AC / 0.2 A
Resistive Load
24 V AC / 1 A
Resistive Load
24 V230 V
H* H*
H* H*
L
N
External time switch (Phase balance)
Load (Thermal Actuators)
Neutral
Phase
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* Room thermostat Nea H 230 V and 24 V are separate models
Max. 5 Thermal Actuators
Max. 5 Thermal Actuators
Optional External Time Switch L/L1 N/L2
L1
L2
L1
L2
L
N
L
N
230 V AC
L N
24 V AC
L1 L2
230 V AC / 0.2 A
Resistive Load
24 V AC / 1 A
Resistive Load
24 V230 V
24 V230 V
H* H*
H* H*
L
N
External time switch, phase balance
Load (Thermal Actuators)
Neutral
Phase
36

* Room thermostat Nea H 230 V and 24 V are separate models
L/L1 N/L2
L1
L2
L1
L2
L
N
L
N
230 V AC
L N
24 V AC
L1 L2
230 V AC / 0.2 A
Resistive Load
24 V AC / 1 A
Resistive Load
24 V230 V
24 V230 V
H* H*
H* H*
L
N
External time switch (Phase balance)
Load (Thermal Actuators)
Neutral
Phase
WIRING CENTRE
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Ensure that the cable is contained
within the shaded area.
3Locate the front cover on rear case,
ensuring that the hinged clips are located
first.
Ensure that the two arrows are
aligned properly before closing.
4Locate hinge first
20 mm
25 mm
38