Herz clever&smart Room Controller Clima WiFi User guide

Installation and operating instruction
HERZ clever&smart Room Controller Clima WiFi
3 F810 24
Read carefully before installation, commissioning and operation

CONTENT
Safety Instructions 3
EG-Conformity 3
General Instructions 3
Changes to the Unit 3
Warranty and Liability 4
Disposal and Pollutants 4
Description HERZ clever&smart Room Controller Clima WiFi 5
Technical Data 5
Scope of Supply 5
Installation 6
HERZ clever&smart Room Controller Clima WiFi installation 6
Operation 8
Room Overview 8
Operating Mode 9
Menu 9
Set Operation Hours 10
Set Operation Hours Example 11
Expert Menu 12
Settings 13
Devices 14
Rooms 16
Sensors 17
Room Controller 18
WiFi 22
Access Point 24
WiFi Sensor 24
Service Values 25
Connecting HERZ clever&smart App to the HERZ clever&smart Room Controller Clima WiFi 25
Support 26
Notes 26
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HERZ clever&smart Room Controller Clima WiFi

Safety Instructions
EG-Conformity
By affixing the CE mark to the unit the manufacturer declares that the HERZ clever&smart Room Controller Clima WiFi conforms to the
following relevant safety regulations:
lEU low voltage directive 2014/35/EU
lEU electromagnetic compatibility directive 2014/30/EU
lEU RoHS Directive 2011/65/EU
lEU WEEE Directive 2012/19/EU (Reg.nr. DE 23479719)
Conformity has been verified and the corresponding documentation and the EU declaration of conformity are kept on file by the
manufacturer.
General Instructions
Please read carefully!
These installation and operating instructions contain basic instructions and important information regarding safety, installation,
commissioning, maintenance and the optimal use of the unit. Therefore these instructions must be read and understood completely by the
installation technician/specialist and by the system user before installation, commissioning and operation of the unit.
This unit is an automatic, electrical Room Controller. Install the unit only in dry areas and under the ambient conditions described in
“Specifications”.
In addition, observe the applicable accident prevention regulations, the regulations of the Association of Electrical Engineering, the local
power supply utility, the applicable DIN-EN standards and the installation and operating instructions for the additional system components.
Installation, electrical connection, commissioning and maintenance of the device may only be carried out by an appropriately trained
specialist.
Users: Make sure that the specialist gives you detailed information on the function and operation of the unit. Always keep
these instructions in the vicinity of the unit.
The manufacturer does not take over any liability for damage caused through improper usage or non-compliance of this manual!
Before working on the unit, switch off the power supply and secure it against being switched on again! Check that there is no
power flowing! Electrical connections may only be made by a specialist and in compliance with the applicable regulations. The
device may not be put into operation if there is visible damage to the housing, e.g. cracks.
Changes to the Unit
lChanges, additions to or conversion of the unit are not permitted without written permission from the manufacturer.
lIt is likewise forbidden to install additional components that have not been tested together with the unit.
lIf it becomes clear that safe operation of the unit is no longer possible, for example because of damage to the housing, turn
the unit off immediately.
lAny parts of the unit or accessories that are not in perfect condition must be exchanged immediately.
lUse only original spare parts and accessories from the manufacturer.
lMarkings made on the unit at the factory must not be altered, removed or made illegible.
lOnly the settings described in these instructions may be set using the unit.
Changes to the unit can compromise the safety and function of the unit or the entire system.
HERZ clever&smart Room Controller Clima WiFi
3

Warranty and Liability
The device has been manufactured and tested with regard to high quality and safety requirements. The warranty and liability shall not
include, however, any injury to persons or material damage that is attributable to one or more of the following causes:
lFailure to observe these installation and operating instructions
lImproper installation, commissioning, maintenance and operation
lImproperly executed repairs
lUnauthorised structural changes to the device
lUse of the device for other than its intended purpose
lOperation above or below the limit values listed in the ‚Specifications‘ section
lForce majeure
Disposal and Pollutants
The unit conforms to the European RoHS 2011/65/EU for the restriction of the use of certain hazardous substances in electrical and
electronic equipment.
For disposal, according to the WEEE Directive 2012/19/EU, the device does not belong in household waste under any
circumstances. Dispose of the unit only at appropriate collection points or ship it back to the seller or manufacturer.
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HERZ clever&smart Room Controller Clima WiFi

Description HERZ clever&smart Room Controller Clima WiFi
Technical Data
Housing
2-part, ABS plastic
75 mm x 95 mm x 19 mm
Glass front
Display
Capacitive touch panel
Color display with 240x320 dots
2.8 inches (7 cm) diagonal
Operation Intuitive user guidance
Language 20 menu languages selectable
Electrical specifications:
Power Supply 24 VDC +/- 10 %
Power consumption max. 2,5 W
Protection Class IP 20
Protection class / overvoltage category III / I
Permissible Ambient Conditions
during operation 0 °C - 50 °C, no moisture condensation permitted
for transport/storage 0 °C - 60 °C, no moisture condensation permitted
Measurement Range Outside the measuring ranges there are larger deviations
Internal temperature sensor 0 °C - 60 °C Accuracy +/- 1 °C
Resolution 0,1 °C
Internal sensor for rel. humidity 0 % - 100 % Accuracy +/- 6 °C
Resolution 0,1 %
After switching on or disconnecting from the mains, it takes up to 60 minutes until the temperature is displayed precisely.
Other Specifications
Installation Methods Wall installation, with/without wall socket
Real Time Clock RTC with 24 hour power reserve
Scope of Supply
lHERZ clever&smart Room Controller Clima WiFi
l2 screws 3,5 x 35 mm and 2 plugs 6 mm for wall installation.
lTerminating resistor (120 Ohm) pre-installed on one of the two CAN High/CAN Low connections, operating tool, switch
box
lHERZ clever&smart Room Controller Clima WiFi installation guide
HERZ clever&smart Room Controller Clima WiFi
5

Installation
HERZ clever&smart Room Controller Clima WiFi installation
Mount the unit at a suitable location.
Pay attention to suitable environmental conditions. Direct sunlight, sources of
heat and cold, e.g. radiators and windows must be avoided.
Recommended connection cable: twisted pair cable with shield, e.g. bus cable
3 × 2 × 0.22 mm². Strip cables, slip protective conductor over and remove fill material as
needed.
When wall mounting, make sure that the cables are kept as short as possible (max. 40 mm
for direct wall mounting), as unnecessary vein loops in the HERZ clever&smart Room
Controller Clima WiFi housing can lead to problems.
When mounting on a switch box, make sure that the cables are kept as short as possible
(strip cables max. 55 mm) and that any vein loops are fed back into the switch box, as
unnecessary vein loops in the HERZ clever&smart Room Controller Clima WiFi housing
can lead to problems.
Strip the last 8 - 9 mm of the wires. Isolate shielding and connect it at a suitable location
(controller or CAN-box) to the protective conductor.
Any contact between protective conductor and circuit board can cause serious
damage.
Mounting on plastic wall socket
Fasten the base to the switch box with the enclosed screws (3.0 x 16 mm).
Direct wall mounting
Hold the lower part of the housing up to the selected position and mark the three mounting
holes. Make sure that the wall surface is as even as possible so that the housing does not
become distorted when it is screwed on. Using a drill and drill holes at the points marked on
the wall and push in the plugs. Insert screws and screw it in slightly. Align the base and
tighten the screws.
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HERZ clever&smart Room Controller Clima WiFi

* Only available on Clima version!
Open the connection terminals with the accompanying operating tool and make the
electrical connection (24 VDC, GND, CAN-High and CAN-Low) as described in the
operating manual of the Control Box.
Power supply 24 VDC, ensure correct polarity or it may cause damage to the
unit!
For the pin assignment of the CAN bus line on the HERZ clever&smart Control Box, please
refer to the corresponding instructions for use or operating manual.
Place the control panel on the lower part of the housing as illustrated in the picture and fix it
in place with the screw supplied.
Switch on the mains voltage of the Control Box and put the HERZ clever&smart Room
Controller Clima WiFi into operation.
The setup wizard can be accessed at any time in HERZ clever&smart Room
Controller Clima WiFi under the menu item 'Expert'.
HERZ clever&smart Room Controller Clima WiFi
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Operation
Room Overview
Displays the room temperature, humidity and outdoor temperature after activating the start screen.
Room icon
Selecting a room icon takes you to the
room temperature settings.
Outdoor temperature
Displayed as soon as an outdoor
sensor is used or an outdoor sensor is
activated on a HERZ clever&smart
Control Box menu "Expert > Control
Box > Heating circuit > Sensor
outdoor".
Multiroom selection
By dragging your finger
verticallyacross several rooms, you
can change the operating mode in all
rooms at the same time.
%
Room humidity
Relative humidity.
°C
Room temperature
Current room temperature.
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HERZ clever&smart Room Controller Clima WiFi

Operating Mode
Overview > Operating Mode
Back/ Forward
Navigate back to the overview.
Room
Displays the selected space.
Reference temperature
Setting the reference temperature for
the active operating mode in the
displayed room.
Menu
Navigate to the main menu
Operating Modes
The operating mode shown in colour
is currently active and can be changed
by selecting another mode. Manually
selected modes remain active until the
next change of mode by the timer
program. A background frost
protection function remains active in
the "off" mode.
Menu
Overview > Operating Mode > Menu
Heating/cooling
Switch between heating and cooling
modes.
Holiday
Set the period and temperature for a
longer absence.
Timer
Setting of individual heating or cooling
times for each day of the week with
copy function for subsequent days.
Expert
Advanced settings for the technician.
HERZ clever&smart Room Controller Clima WiFi
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Set Operation Hours
Overview > Operating Mode > Menu > Timer
Setting of individual heating and cooling times for the selected room.
Operating Modes
Selection of the operating mode to
select individual heating or cooling
sections.
Clock
Time table of the selection in periods
of 30 minutes increments.
Touch individual segments, or drag
your finger over complete time
intervals to colour them according to
the selected operation mode.
Menu
Opens the copy function. The function
allows you to copy the heating and
cooling times to the following day, to
Monday - Friday or to Monday -
Sunday.
Back / Next Weekday
Selects the set day.
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HERZ clever&smart Room Controller Clima WiFi

Set Operation Hours Example
Step 1
Use the arrow keys to select the
desired day.
Step 2
Select the desired mode (Normal,
Comfort, Eco or Off) and then
move your index finger over the
desired time period. The selected
period changes colour to the
colour of the selected operating
mode after selection. Set the
times of the other operating
modes in the same way.
Step 3
After completing the setting of the
individual heating or cooling
times, you have the option of
copying the times via the main
menu to the following day, to
Monday - Friday or to Monday -
Sunday or to set them individually
for each day of the week.
In the interests of efficient and energy-saving single room control, the operating times should be set specifically for each room.
HERZ clever&smart Room Controller Clima WiFi
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Expert Menu
Overview > Operating Mode > Menu > Expert
Select Language
Set the device language
Settings
Parameterisation of the
heating/cooling system
Menu Lock
Activate menu lock to protect settings
with a password.
Date & Time
Setting the time and date and
automatic summertime/wintertime
changeover
Service Values
Information about the system
Factory settings
The factory settings are restored in the
device
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HERZ clever&smart Room Controller Clima WiFi

The menu structure described here is based on the status at the time of production and may vary due to subsequent software
changes.
Settings
Overview > Operating Mode > Menu > Expert > Settings
Devices
Add, manage and remove connected
devices
Room Controller
Assignment and configuration of
additional functions for analogue
outputs V1/V2
Zones
Assigning rooms to heating and
cooling zones.
Rooms
Add, manage and remove rooms and
assign them to connected devices
Control Box
Assignment and configuration of
additional functions of the free
switching outputs on the HERZ
clever&smart Control Box Clima. This
menu is only visible if this HERZ
clever&smart Room Controller Clima
was set as the "Configurator" ("Expert
> Settings > Devices > Control box >
Configurator") of the HERZ
clever&smart Control Box Clima
during commissioning.
WiFi
Set and manage WiFi functions
Display Brightness
Adjust the display brightness
Interface Mode
Switch between full and restricted
menu. Only the reference temperature
can be set in the mode "Hide menu".
To return to "full" mode, press and
hold the upper-right corner of the
display for 5 seconds.
Room Sync.
If room synchronisation is activated,
rooms set up on other HERZ
clever&smart Room Controller of the
same network are also displayed on
this HERZ clever&smart Room
Controller and vice versa.
HERZ clever&smart Room Controller Clima WiFi
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Devices
Overview > Operating mode > Menu > Expert > Settings > Devices
Clima systems must first be switched to 'heating' mode before another device can be added to the system during operation.
Add Device
Starts the search for new available
devices in the network
Device icon
Shows the type of connected device
and its CAN ID
Description
Shows the detected type of the unit
Remove devices
Devices are removed from the
network
If no WLAN is available, devices can be added to the network via the menu 'Expert -> Settings -> Devices - > Add device'.
Add a HERZ clever&smart Room
Sensor Clima WiFior a HERZ
clever&smart LEDcontroller Klima
WiFi to your network.
For the commissioning of the WiFi
sensors, please refer to the respective
operating manuals.
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HERZ clever&smart Room Controller Clima WiFi

HERZ clever&smart Room Controller Clima WiFi
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Rooms
Overview > Operating mode > Menu > Expert > Settings > Rooms
Add Room
Adding rooms
Room 2
Setting the location, sensors and
actuators of the respective room
Overview > Operating mode > Menu > Expert > Settings > Room 2
Location
Selection of the space icon
Modulation Humidity
Sensors in the selected room
Remove Room
Removing the selected room
Temperature
Sensors in the selected room
Hysteresis
Switch-off hysteresis for the room
setpoint temperature
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HERZ clever&smart Room Controller Clima WiFi

Sensors
Overview > Operating mode > Menu > Expert > Settings > Rooms > Room 1 > Sensors > Temperature
Icon
Already selected sensor
CAN ID of the Control Box + serial
number
Temperature sensor selection in the
selected room
Overview > Operating mode > Menu > Expert > Settings > Rooms > Room 1 > Sensors > Humidity
Sensor icon with CAN ID of the
control box + serial number
Humidity sensor selection in the
selected room
HERZ clever&smart Room Controller Clima WiFi
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Room Controller
Overview > Operating mode > Menu > Expert > Settings > Room Controller
Activate and set additional functions.
Thermostat 1
Switches the defined output to the set
room / rooms depending on time and
temperature.
Season switch 1
Switches the operating mode of the
heat pump / cooling unit between
"heating" and "cooling". For this, the
heat pump / refrigeration unit must be
suitable for reversible operation.
Fan coil 1
Controls convection heating and
cooling via the 0-10 V or PWM
outputs.
Dehumidifier 1
Switches the defined output
depending on the set humidity in the
set room(s).
Timer 1
Switches the defined output
depending on the set times.
Overview > Operating mode > Menu > Expert > Settings > Room Controller > Thermostat 1
Switches the defined output to the set room / rooms depending on time and temperature.
Output
Assign the output to be switched by
the function. The other menu options
become visible after assigning the
output.
Operating Mode
Set the operating mode of this
thermostat function. Heating, cooling
or heating and cooling
Seizing Protection
If the seizing protection is activated
(daily, weekly, off), the Control Box
switches on the outputs at 12 o'clock
for 5 seconds one after the other to
prevent the connected actuator from
seizing in case of longer inactivity.
Room
Selection of the sensors on whose
settings and states the function is to
be based.
Relay Modus
Switching mode of the output:
regular / inverted
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HERZ clever&smart Room Controller Clima WiFi

Overview > Operating mode > Menu > Expert > Settings > Room Controller > Dehumidifier
The dehumidifier function switches the defined output depending on the set humidity in the set room(s).
Output
Assign the output to be switched by the
function. The other menu options
become visible after assigning the
output.
Modulation Humidity
Set the limit value for the air humidity. If
this is exceeded, the dehumidifier is
switched on.
Room
Room selection for assigning the
humidity of a room as the basis for
switching the dehumidifier.
Operating Mode
Specify in which operating states of the
heating and cooling system the
dehumidifier is to be switched on.
Hysteresis
Set the switch-off hysteresis
Seizing Protection
If the seizing protection is activated
(daily, weekly, off), the Control Box
switches on the outputs at 12 o'clock for
5 seconds one after the other to prevent
the connected actuator from seizing in
case of longer inactivity.
Overview > Operating mode > Menu > Expert > Settings > Room Controller > Season switch
The seasonal switch changes the operating mode of the heat pump (compressor) between "heating" and "cooling". Therefore the heat
pump (compressor) must be compatible with reversible operation.
Output
Assign the output to be switched by the
function. The other menu options
become visible after assigning the
output.
Seizing Protection
If the seizing protection is activated
(daily, weekly, off), the Control Box
switches on the outputs at 12 o'clock for
5 seconds one after the other to prevent
the connected actuator from seizing in
case of longer inactivity.
Room
Room selection to start the function. As
soon as one of the assigned rooms
switches from "heating" mode to
"cooling" mode the season switch
becomes active and the assigned relay
is switched.
HERZ clever&smart Room Controller Clima WiFi
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Overview > Operating mode > Menu > Expert > Settings > Room Controller > Timer 1
The function Timer 1-2 switches the defined output depending on the set times.
Output
Assign the output to be switched by
the function.
The other menu options become
visible after assigning the output.
Seizing Protection
If the seizing protection is activated
(daily, weekly, off), the Control Box
switches on the outputs at 12 o'clock
for 5 seconds one after the other to
prevent the connected actuator from
seizing in case of longer inactivity.
Timer
Set the times at which the outputs are
to be switched.
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HERZ clever&smart Room Controller Clima WiFi