5.0 Optional settings
5.1 Network setup 
Each network must contain one (and only one) master unit 
(MAS).
   
All other units must be either slave units (SLA) or independ-•
ent units (ALO).
 Independent units in the network will not respond to •
or send information to a master unit. However, they still 
count towards the network maximum of 32 units.
The following settings on all slave units are controlled from •
the master unit. All other settings must be configured on 
each thermostat.
 Time•
 Weekday•
 Economy set-back•
Network cables are unshielded, untwisted, and unpolarised •
two-wire cables for easy installation. 
  Installation manual