HCE80(R) / HCC80(R) Mounting and operation
25
Boiler feedback
Connecting the boiler feedback via an analog output
(only HCE80/HCC80) to external controllers
The analog output voltage changes
depending on the valve position.
1
Strip the connections 5.5 mm (see
fold-out page, Fig. 5).
2
Connect the boiler feedback (see fold-
out page, Fig.4 (9)).
Boiler feedback is possible with the controllers
MCR200, MCR40, ZG252N, Panther and Smile.
Connect the inputs in accordance with the enclosed
instructions to the underfloor heating controller (earth
input to Terminal 6, temperature- input to Terminal 5).
Implementing a boiler feedback via a
wireless connection (with BDR91)
The relay is switched on and off
depending on the valve setting.
Implementing a boiler feedback with an integrated relay
42 V AC, floating contact (only HCE80R/HCC80R)
The relay is switched on and off
depending on the valve setting.
1
Strip the connections 5.5 mm (see
fold-out page, Fig. 5).
2
Connect the boiler feedback (see fold-
out page, Fig.4 (9)).
Allocating relay modules for controlling
the heat generator
Depending on the heat requirement of the installed
rooms the relay module BDR91 controls the heat
generator as a function of the valve setting.
Binding the boiler feedback BDR91
Keep the button at the relay module
BDR91 pressed for 5 seconds to
activate the binding mode.
The red LED at the relay module flashes
in the rhythm 0.5s on/0.5s off.
Press the installation button at
the underfloor heating controller.
After successful allocation the red LED
of the relay module extinguishes.
To exit the device display press
the installation button at the
underfloor heating controller again.
Options