1 About these instructions
1.1 Validity, storage and forwarding of the instructions
These instructions apply to the room thermostats of the following
types:
- RD 40203-10 – Standard 24V,
- RD 20203-10 – Standard 230V,
- RD 45203-40 – Comfort 24V,
- RD 25203-40 – Comfort 230V,
- RD 45203-60 – Control 24V,
- RD 25203-60 – Control 230V.
These instructions include information necessary for the operation
of the devices. The room thermostats are designated as “Stand-
ard”, “Comfort” and “Control” in order to point out differences
between these types. These instructions must the read completely
and thoroughly before commencing any work with the devices.
These instructions must be kept and to be handed over to future
users. You can view and download these instructions and the asso-
ciated installation instructions under www.ezr-home.de.
1.2 Symbols
The following symbols are used in this manual:
Hazard symbols: Identifies a hazard
Information: Identifies important or useful information
¾ User action
9 Result from an action
• List without fixed order
1., 2. List with fixed order