Buderus 500-24C Installation And Maintenance Instructions Manual page 27

1.11.1 Modulink 250 RF thermostat connection
The ModuLink 250 RF thermostat modulates on room
temperature. The Buderus boilers work most efficiently
with Buderus thermostats. Therefore these thermostats
are recommended by Buderus.
See subsection 1.12 for an installation example with the
ModuLink 250 RF.
The ModuLink 250 RF thermostat comprises:
– wall bracket;
– receiver;
– thermostat.
For installation and operation of the Buderus
thermostat/programmer, refer to the instruc-
tions supplied with that thermostat.
ModuLink Receiver and bracket installation
Warning:
Do not connect 230 V AC to the receiver.
The receiver is not waterproof.
Prevent water coming into contact with the
receiver.
V Remove the receiver terminal cover (
V Connect the grey 2 core cable (supplied with
ModuLink 250 RF thermostat) to the receiver
( fig. 34). The wires are not polarity sensitive.
V To refit the cover, slide back on and click into place
( fig. 34, item 1).
Buderus 500-24C/28C - Subject to modifications resulting from technical improvements
fig. 33, item 1).
Fig. 33 Receiver bracket
Fig. 34 Connect cable
1
1
1
Installation
7215 3100-33.1TD
230V
7215 3100-34.1TD
27