I WARM 730 User And Installation Manual - page 19
Manual is about: Room Thermostat
of
24
19
External
terminal
contact
Network
earthig
conductor
21
Sensors of temperature
Zone 1
Phase
Zero
240 VAC
240 VAC
Zone 2
Single-core heating cables/mats
21
Network
earthig
conductor
Sensors of temperature
Zone 1
Phase
Zero
240 VAC
240 VAC
Double-core heating cables/mats
External
terminal
contact
Fig. 7 Scheme of connection to the triplewire
electric network