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Technische Alternative RT GmbH
The radiator thermostat CORA-HKT serves to regulate the flow of radiators, floor heating, wall heat-
ing and such.
Table of contents
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Wireless system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Relaying wireless signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Wired connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Battery powered operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Initialisation run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Opening the device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
LED status indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Output variables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Input variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Device information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Measurements in mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
A-3872 Amaliendorf, Langestraße 124
Tel +43 (0)2862 53635
Radiator thermostat
mail@ta.co.at
CORA-HKT
Vers. 1.00
1
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Summary of Contents for TA CORA-HKT
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Page 1: Table Of Contents
Vers. 1.00 Radiator thermostat The radiator thermostat CORA-HKT serves to regulate the flow of radiators, floor heating, wall heat- ing and such. Table of contents Installation ............... . 2 Wireless system. -
Page 2: Installation
When using wired 12V power supply, values are updated every minute. When battery powered, val- ues are updated every 5 minutes. If the CORA-HKT is powered using batteries, it cannot be used as a HOP node (see „Relaying wireless signals“). -
Page 3: Wired Connection
Wired connection The CORA-HKT can either only be supplied with power using wires (12V), or it can be supplied with power and transmit data using wires (CORA-DL). Ensure correct polarity of the DL bus. For either case, the CORA-HKT offers an option to lead wires out of the device‘s casing. -
Page 4: Button
Button On the inside of the device, a button is located, used for coupling, restarting etc. Button press Function 1 brief press Restart 2 brief presses Allow coupling for 5 minutes 10 sec long press Total reset While holding the button for a total reset, the LED flashes red. -
Page 5: Output Variables
Output variables The following values are sent from the CORA-HKT to the connected device (not changeable): Timeout Digital value Yes/No (Yes, if connection lost) Battery charge Battery charge 0-100% Eff. room temp. The room temperature used for calculations. • If a value is connected to room temp. -
Page 6: Input Variables
Input variables The following values can be sent to the CORA-HKT (not changeable). Room temp. The current room temperature can also come from an external sensor. Help- [°C] ful in case the HKT‘s own measured temperature is not reliable. Set room temp. -
Page 7: Programming
Programming The CORA-HKT must be added to the programming of the connected controller. We recommend us- ing the PC software TAPPS2 for this purpose. It is available to download for free at www.ta.co.at/ en/download/software/ In TAPPS2, the CORA-HKT has a designated block under CORA devices: A typical use case would be the connection with the output variable Effective set room temp. -
Page 8: Measurements In Mm
Measurements in mm Technical data Batteries 2x AA (not included) Battery lifetime varies based on batteries and motor activity, typically 2 years Bus load CORA-DL 12V Power consumption based on motor activity max. 3 W (when idle, typically 0.1 W) Screw M30x1.5 fine thread Permissible surround-... - Page 11 Technische Alternative RT GmbH Address: A-3872 Amaliendorf, Langestraße 124 This declaration of conformity is issued under the sole responsibility of the manufacturer. Product name: CORA-HKT Product brand: Technische Alternative RT GmbH Product description: Wireless radiator thermostat The object of the declaration described above is in conformity with Directives:...
- Page 12 5. The defective parts must be returned to our factory with a copy of the proof of purchase and a precise fault description. Processing is accelerated if an RMA number is requested via our homepage www.ta.co.at. The defect must be clarified with our technical support beforehand.
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