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1
Installation
To prevent damage to electrical components, at least the fol-
lowing precautions must be taken:
Before handling the components, touch an earthed object.
It is not sufficient to avoid touching the dangerous compo-
nents, as static electricity can result in voltage peaks of up
to 10 kV and electric arcs of around 1 cm.
All materials must be stored in their original packaging for
as long as possible. If necessary, remove the PCB from the
packaging and place it in an anti-static packaging. Do not
touch the equipped side of the PCB!
Do not use static plastic bags, polystyrene or packaging
foam.
To avoid electro-static induction and discharge, the PCB
must not be passed directly from one user to the next.
ATTENTION!
The heat pump manager (WPM) must be disconnected from
the power supply / de-energised before the KNX extension
can be installed.
1)
Remove the "Serial Card/BMS Card" cover (see figure 1)
2)
Install the KNX expansion (see figure 4) in the designated
slot; ensure that the KNX expansion is seated correctly (see
figure 2);
3)
Remove the pre-punched cut-out on the cover using an-
gled tongs to free the opening for the plug (see figure 3)
4)
Close the cover. Ensure that the plug is fed through the
opening in the cover.
2
Settings
For fault-free functioning, the following settings on the heat
pump manager must be selected
Parameters
Setting
The protocol setting is used to
Network
specify the type of the installed
interface and the transfer pro-
tocol.
EN-1
Network
Setting range
Home App
LAN
Modbus RTU
EIB/KNX
FD 0211
3
Meaning of the LEDs
LED
Meaning
Red
Lit
No communication between
the KNX expansion and the
heat pump manager.
Green Lit
The key for assigning the
address was pressed and the
KNX expansion is waiting for
the physical address of the
ETS to be assigned.
Quickly
The configuration was not
flashing
loaded.
Slowly
The configuration is loaded
flashing
from the ETS.
Green
Both lit
No power supply from the
+ red
KNX bus.
Both
The firmware of the KNX
flashing
expansion is updated.
4
Configuration
The DCA (Device Configuration Apps) device for integration in
the ETS can be loaded under www.knx.org. Further information
and a detailed description of the configuration for the KNX ex-
pansion can be found under www.dimplex.de/wiki.
5
Technical data
Power supply
12 to 33 V from the control panel
Consumption: 300 mW
BUS power supply
21 to 32 V Consumption: 5 mA
BUS
TP1 9600 Baud
Screw terminals
Wire cross-section min. 0.2 to max.
1.5 mm
Insulation
TP bus optically
isolated from the
earthing of the
controller (function
isolation)
Degree of protection
IP00
Operating conditions
-20 to 60 °C, <85% rel. humidity
Non-condensing
Storage conditions
-20 to 80 °C, <85% rel. humidity
Non-condensing
Degree of soiling
2
Heat and fire resistance class
Like heat pump manager
PTI of the insulating material
PTI<175
Software class and structure
A
Duration of the electrical load
long
of the insulating parts
Protection against
The device only guarantees a function isola-
electric shock
tion between the power supply of the con-
troller and the serial bus, meaning that the
controller on which the KNX expansion is
installed must be supplied via a SELV source
Can be used
from heat pump manager WPM Touch
KNX WPM
Error / solution
Configuration:
- Heat pump manager
address incorrect
- Heat pump manger baud
Configuration via the ETS
must be loaded
The configuration is loaded
from the ETS.
Check:
• Check the power supply of
the KNX bus,
• check electrical
connection,
• check polarity +/- of the
connection.
2
2
; YCYM 1 x 2 x 0.8 mm
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