Symondo Box User manual
Heating circuit controller for surface heat-
ing and cooling systems Symondo Box
Detailed instruction
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Scope of delivery
lHeating circuit controller for surface heating and cooling
systems Symondo Box
l2 Spare fuses
ladditional separation wall
lDIN rail H=35mm L=280mm
l2 screws 3,5 x 35 mm and 2 plugs S6
lSymondo Box Instruction Manual
General notes
This manual contains basic instructions and important information about safety, installation and operation. Before com-
missioning and operation, the installer/specialist and the operator of the system have to read the manual completely. It
is an automatic electric temperature controller for household and similar applications. In addition, observe the accident
prevention regulations applicable in the respective countries, the applicable standards and regulations and the install-
ation and operating instructions for additional system components. Installation, electrical connection, commissioning
and maintenance may only be carried out by specialists who possess the appropriate training. Users: Make sure that
the specialist gives you detailed information on the function and operation of the controller.
Technical Data
Model Symondo Box Heating circuit controller for surface heating and cool-
ing systems
Electrical specifications
Power supply 230 VAC (+/- 5%), 50-60Hz
Power consumption / standby 0,5 - 2,5W/ 0,5W
Internal fuse 1 1 (Pos. A, left) 2A slow blow 250V Fuse protection for
terminal area A and electronics
Internal fuse 2 1 (Pos. B, right) 4A slow blow 250V Fuse protection for
terminal area B - I
Protection Class IP20
Protection class / overvoltage category II / II
Inputs/Outputs
Inputs Quantity Measuring range / design
1-Wire temperature sensor parasitic ≤ 20 pices -55 °C ... 125 °C (2 pole version)
1-Wire temperature sensor powered > 20 pices -55 °C ... 125 °C (3 pole version)
0-10V input 1
PWM Input 2
Outputs
Switching relay outputs 11
Relay heat pump 1 230 VAC, 4A, (AC1 920 VA, AC3 185W)
Relay actuator 8 230 VAC, 4A, (AC1 920 VA, AC3 185W)
Relay additional function 2 Potential-free max. 4A
PWM output 3 for 10 k Ω working resistance 1 kHz, level 10 V
0-10V/PWM switchable 2
+ Voltage outputs 24VDC 3 Total max. 12 W for external devices e.g. Symondo
Controller
Max. cable length
1-Wire Sensors up to 50 m parasitic, up to 100 m powered,
use twisted pair cable
CAN
<3m; at >=3m a shielded twisted pair cable must be
used. Isolate shielding and connect it to the pro-
tective conductor of only one of the devices. Max.
cable length of the complete system 200 m.
24 VDC <30m
mechanical relay <30m
Interface
Field bus 2x CAN bus, separate building CAN bus and private
CAN bus
Permissible Ambient Conditions
for controller operation 0 °C - 40 °C, max. 85 % rel. humidity at 25 °C
for transport/storage 0 °C - 60 °C, no moisture condensation permitted
Other Specifications and Dimensions
Housing design multi-part ABS
Installation methods DIN rail mounting or wall mounting on DIN rail
Overall dimensions 95 mm x 303 mm x 57 mm
Light diode 14 x LED green
Real Time Clock RTC with 24 hour power reserve
Operation via Symondo Controller
LED status
LED A Lights up, if mains voltage is present and relay A is switched.
LED B - K Lights up, if relay B - K is switched
LED L Lights up, if the private CAN bus is active.
Flashes with 1Hz (60x / minute) if there is an error in the private CAN bus.
LED N
Lights up if the building CAN bus and the 1-wire bus are active.
Flashes with 1Hz (60x / minute) if there is an error in the building CAN.
Flashes with 3Hz (180x / minute) if there is an error in the 1-wire connection. EXCEPTION: If the building CAN
bus remains unused, a flashing of the LED M is normal and does NOT mean that there is a error.
LED N Lights up, if outputs V1, V2 or V3 are active.
System structure
Instruction Manual
Description
The Symondo Box is a universal heating and zoning controller for Surface heating and cooling systems. In combination
with Symondo Controller, this enables efficient use and function control of your surface heating and surface cooling
with intuitive operability. The inputs and outputs can be freely assigned via Symondo Controller, so that different heat-
ing and cooling systems can be implemented.
Important characteristics of the Symondo Box:
lControl of 8 heating and cooling zones with 1 - 4 thermostatic radiator valves each
lMeasurement of room temperature and humidity in combination with Symondo Controller, Symondo Sensor or
Room sensor
loptionally weather compensated via an external temperature sensor
loptional control of heating circuit pump and mixer (PWM oder 0-10V) possible
l2 separate CAN bus interfaces for building network and private floor or apartment network
lconnectable with other MULTIBETON products via CAN bus
lControl of mixers, valves and energy generators via 0-10V / PWM
l2 additional floating changeover contacts (terminals J and K) for flexible assignment with additional functions
Safety Instructions
General
lBy no means does the controller replace the safety appliances on site!
lTemperature values which are set too high can lead to scalding or damage to the system. Scalding protection must
be provided by the customer!
lThe temperature sensor cables must be routed separately from mains voltage cables, and must not, for example,
be routed in the same cable duct!
Wall Installation
lInstall the controller only in dry areas and under the ambient conditions described in “Specifications”.
lLow-voltage cables such as temperature sensor cables must be routed separately from mains voltage cables. Feed
temperature sensor cables only into the left-hand side of the unit, and mains voltage cables only into the right-hand
side.
Wall Installation
Fix the DIN rail horizontally to the wall using screws.
Installation
1. Place the Symondo Box on the upper edge of the DIN rail
with the locking catch on top. 2. Engage the device by press-
ing it down. Ensure that the locking catches engage com-
pletely and that the device is firmly seated on the rail.
Disassembly
Remove the Symondo Box from the DIN rail by inserting two
screwdrivers into the eyelets and pulling them down-wards.
Separation walls and cover
The separation walls and the cover can be removed for easier
connection of the cables. They must then
be rein-stalled in order to safely separate areas carrying
mains voltage from areas carrying low voltages.
Open the cover (90° degree) and then pull it out of the attach-
ment laterally.
If the terminal blocks (B-I) are to be supplied with a voltage other than the mains voltage,
proceed as follows:
1. Remove existing bridges A1 - B1 and A2 - B2
2. It is absolutely necessary to insert a separating wall between A - B.
3. Connect the power supply to B1 (L) and B2 (N).
4. Observe max. switching power of relay and fuse (4AT)
Heating zones with 230 VAC actuators (bridge) Heating zones with e.g. 24 VAC actuators (separation
wall)
MULTIBETON Produktions- und Vertriebsgesellschaft | Heuserweg 23 | 53842 Troisdorf-Spich
EU-Conformity
By affixing the CE mark to the unit the manufacturer declares that the Symondo Box conforms to the following relevant
safety regulations:
lEU EU low voltage directive 2014/35/EU and the
lEU electromagnetic compatibility directive 2014/30/EU
conforms. Conformity has been verified and the corresponding documentation and the EU-declaration of conformity are
kept on file by the manufacturer.
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.
Warranty and Liability
The Unit has been manufactured and tested with regard to high quality and safety requirements. The unit is subject to the
statutory guarantee period of two years from the date of sale. 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.
lUnauthorized structural changes to the unit.
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.
Under no circumstances may the device be disposed of with the normal household waste. Dispose of the
unit only at appropriate collection points or ship it back to the seller or manufacturer.
Electrical Connection
lBefore 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 unit may not be put into operation if there is visible dam-
age to the housing, e.g. cracks.
lThe customer must provide an all-pole disconnecting device, e.g. an emergency
heating switch.
lLow-voltage cables such as temperature sensor cables must be routed separately from mains voltage
cables. Feed temperature sensor cables only into the left-hand side of the unit, and mains voltage cables
only into the right-hand side.
lWire ferrules made of brass can be difficult to clamp due to their asym-metric crimping shape. In this
case, remove the wire ferrule. The plug-in terminals are also suitable for flexible cables.
The strain reliefs are suitable for flexible cables with
a cable sheath diameter of 5 mm to 8 mm, primarily
using the lower strain relief (as shown).
The cables must be checked for firm placement.
Solid, thicker and thinner cables must always be laid
firmly and must be fixed on the installation side.
Solid cables or wires with special wire end ferrules
can simply be pushed into the ter-minals.
For other wires, the push button must first be com-
pletely pressed on with a screwdriver as shown.
Setup wizard
The commissioning wizard in the Symondo Controller starts automatically when the unit is commissioned for the first time and
guides you through the necessary basic settings in the correct order. Press the arrow keys in the upper right/left corner to
return to the next or previous setting.
Commissioning must also be completed on all other Symondo Controller in the network.
The Symondo Box is configured exclusively on a Symondo Controller.
The setup wizard is restarted via the "Factory settings" menu item.
Tips
Interface mode Menu > Expert > Settings > Interface mode
Provides the option to restrict the menu against unintentional use, for example, by hotel guests or children.
Download sys-
tem update via
WiFi
Offers the possibility to update Symondo Controller and Symondo Box in the network to the latest version.
Symondo Box: Menu > Expert > Settings > Devices > Symondo Box > System update
Symondo Controller: Menu > Expert > Service values > System update, download and install update on
each Symondo Controller.
It is recommended to check for the availability of system updates from Symondo Controller and Symondo
Box during installation.
Insulation
factor
Menu > Expert > Settings > Symondo Box > Heating circuit > Insulation factor
Provides the option to adapt the flow temperature to the insulation of your building.
Dew Point pro-
tection
Menu > Expert > Settings > Symondo Box > Heating circuit > Dew point monitoring
Provides the option to monitor temperature and humidity to prevent mold.
Additional func-
tions
1. menu > Expert > Settings > Symondo Box
Overview of all available additional functions (on the Symondo Controller configuring the Symondo Box, all
Symondo Box functions are displayed, on all other Symondo Controller only local functions of the Symondo
Controller are displayed).
3. For further setting options for the selected function.
4. Select function and free switching output to activate function.
Symondo App Offers the possibility to operate the Symondo Controller via app.
1-Wire ID Overview
For systems with 1-Wire sensors, you have to assign the respective
1-Wire ID on the Symondo Controller to a room. Writing down the
IDs in combination with the room in which the sensor hangs in the
following list simplifies the later assignment.
The 1-Wire ID can be found inside the sensor on the type plate (1)
and on the supplied sticker (2). We recommend to insert the sticker
into the following table.
(1)
(2)
Location 1-Wire ID Location 1-Wire ID
Ex. Bathroom 1053f67c0308009e 11
112
213
314
415
516
617
718
819
920
10 21
Terminal diagram for electrical connection
1 L' -- L' L' L' L' L' L' L' L' NC NC 24
VDC
CAN
high
0-10V/
PWM
2N' -- N' N' N' N' N' N' N' N' C C GND CAN
low PWM In
3 L L' L' L' L' L' L' L' L' NO NO CAN
high
CAN
high GND
4 N N' N' N' N' N' N' N' N' CAN
low
CAN
low
0-10V/
PWM
5L L' L' L' L' L' L' L' L' 24
VDC VDD PWM In
6 N N' N' N' N' N' N' N' N' GND DQ GND
7 --- L' L' L' L' L' L' L' L' CAN
high GND 24 VDC
8 PE N' N' N' N' N' N' N' N' CAN
low PWM
9 PE L' L' L' L' L' L' L' L' GND
Example Wiring of Terminal Blocks
Mains connection heating circuit pump Actuators for the heating zones
Potential-free switching contacts for additional functions Symondo Controller in private CAN bus
Building CAN bus and 1-Wire sensors 0-10V/PWM outputs for additional functions
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