KNX TH65-AP User manual

Technical specifications and installation instructions
EN
Elsner Elektronik GmbH Control and Automation Engineering
Herdweg 7
D – 75391 Gechingen Phone [phone] / 93 97-0 [email protected]
Germany Fax [phone] / 93 97-20 www.elsner-elektronik.de
KNX TH65-AP
Thermo-Hygrometer

2 Description
Thermo-Hygrometer KNX TH65-AP • Date of issue: 29.03.2012 • Technical changes reserved. Errors reserved.
1. Description
The Temperature and Humidity Sensor KNX TH65-AP measures temperature and hu-
midity and calculates the dew point. The sensor can receive external measured values
via the bus and process them with the own data to an overall temperature and overall
air humidity (mixed values).
The KNX TH65-AP provides seven switching outputs with adjustable threshold valu-
es as well as additional AND and OR logic gates. The sensor has got a PI controller for
heating and cooling (depending on temperature) and for ventilation (depending on air
humidity) and it can emit a warning to the bus as soon as the area of optimum comfort
(according to DIN 1946) is left.
Functions:
•Measurement of temperature and air humidity (relative, absolute),
calculation of dew point
•Mixed values from own measured values and external values (proportions
can be set in percentage)
•PI controller for heating (one or two step) and cooling (one or two step)
depending on temperature
•PI controller for ventilation depending on humidity: Dehumidify/humidify
(one step) or dehumidify (one or two step)
•7 switching outputs with adjustable threshold values (Threshold values can
be set by parameter or via communication objects)
•4 AND and 4 OR logic gates with each 4 inputs. Every switching incident as
well as 8 logic inputs (in the form of communication objects) may be used as
inputs for the logic gates. The output of each gate may optionally be configured
as 1 bit or 2 x 8 bits
Configuration is made using the KNX software ETS. The programme file (format VD),
the data sheet and the manual can be downloaded from the Elsner Elektronik home-
page on www.elsner-elektronik.de in the “Service” menu.
1.1. Technical specifications
Housing Plastic material, sensor sleeve metal
Colour Grey
Mounting On-wall
Protection category IP 65
Dimensions approx. 65 × 91 × 38 (W × H × D, mm)
Weight approx. 80 g
Ambient temperature Operation -30…+85°C, Storage -55…+125°C
Operating voltage KNX bus voltage
Bus current max. 5,5 mA, max. 9 mA when programming LED is
active
Data output KNX +/- bus terminal plug

3 Installation and commissioning
Thermo-Hygrometer KNX TH65-AP • Date of issue: 29.03.2012 • Technical changes reserved. Errors reserved.
The following standards have been considered for the evaluation of the product in
terms of electro magnetic compatibility:
Transient emissions:
• EN 60730-1:2000 Section EMV (23, 26, H23, H26) (threshold category: B)
• EN 50090-2-2:1996-11 + A1:2002-01 (threshold category: B)
• EN 61000-6-3:2001 (threshold category: B)
Interference resistance:
• EN 60730-1:2000 Section EMV (23, 26, H23, H26)
• EN 50090-2-2:1996-11 + A1:2002-01
• EN 61000-6-1:2004
The product has been tested for the above mentioned standards by an accredited EMV
laboratory.
2. Installation and commissioning
2.1. Notes on installation
Installation, inspection, commissioning and troubleshooting of
the device must only be carried out by a competent electrician.
Disconnect all lines to be assembled, and take safety precautions against accidental
switch-on.
The device is exclusively intended for appropriate use. With each inappropriate change
or non-observance of the instructions for use, any warranty or guarantee claim will be
void.
BCU type Own micro controller
PEI type 0
Group addresses max. 184
Allocations max. 184
Communication objects 110
Measurement range
temperature
-40...+80°C
Resolution (temperature) 0,1°C
Accuracy (temperature) ±1°C at -10...+85°C
±1,5°C at -25...+150°C
Measurement range
humidity
0...100%
Resolution (humidity) 0,1%
Accuracy (humidity) 0...20% = ±5%R. H.
20...80% = ±3%R. H.
80...100% = ±5%R. H.
Drift (humidity) ±0,5%R. H. per year in normal air

4 Installation and commissioning
Thermo-Hygrometer KNX TH65-AP • Date of issue: 29.03.2012 • Technical changes reserved. Errors reserved.
After unpacking the device, check immediately for any mechanical damages. In case of
transport damage, this must immediately notified to the supplier.
If damaged, the device must not be put into operation.
If an operation without risk may supposedly not be guaranteed, the device must be put
out of operation and be secured against accidental operation.
The device must only be operated as stationary system, i.e. only in a fitted state and
after completion of all installation and start-up works, and only in the environment in-
tended for this purpose.
Elsner Elektronik does not assume any liability for changes in standards after publica-
tion of this instruction manual.
2.2. Location
The sensor is designed for surface mounting. When selecting an installation location,
please ensure that the measurement results are affected as little as possible by exter-
nal influences. Possible sources of interference include:
• Direct sunlight
• Drafts from windows and doors
• Warming or cooling of the building structure on which the sensor is mounted,
e.g. due to sunlight, heating or cold water pipes
• Connection lines which lead from warmer or colder areas to the sensor
Temperature variations from such sources of interference must be corrected in the ETS
in order to ensure the specified accuracy of the sensor (temperature offset).
For outdoor installation it must be ensured that a 60 cm gap is left below the sensor in
order to prevent it from being snowed during snowfall.
The sensor must be mounted vertically. The measurement probe and the cable outlet
must point downwards.

5 Installation and commissioning
Thermo-Hygrometer KNX TH65-AP • Date of issue: 29.03.2012 • Technical changes reserved. Errors reserved.
2.3. Mounting and connection
2.3.1. Layout of casing and pcb
2.3.2. Connection of the sensor
Remove the screwed on cover. Lead the KNX bus connection cable through the cable
entry on the bottom of the casing and connect the bus +/- to the terminal provided for
this purpose. Screw the cover back on.
2.4. Notes on mounting and commissioning
Do not open the temperature sensor if penetration of water (rain) is likely: Only a coup-
le of drops could damage the electronic.
Do not dip the measuring tip (metal sleeve with sensor) in water, as this will distort the
measuring results until the humidity sensor is completely dry again.
After the bus voltage has been applied, the device will enter an initialisation phase las-
ting 5 seconds. During this phase no information can be received via the bus.
Fig. 1 Opened casing, board
1 KNX terminal +/-
2 Programming button for teaching the
device
3 Programming LED
4 Cable entry with threaded joint
5Sensortip
Fig. 2 Rear view with dimensioning of ope-
nings for mounting
1
2
3
4
5

6 Maintenance
Thermo-Hygrometer KNX TH65-AP • Date of issue: 29.03.2012 • Technical changes reserved. Errors reserved.
3. Maintenance
The sensor must regularly be checked for dirt twice a year and cleaned if necessary. In
case of severe dirt, the sensor may not work properly anymore.
As a precaution, the device should always be separated from
bus current for maintenance works.