6
!
Some existing thermostats wil 
have a Neutral wire and/or 
Earth wire connected. These are 
not required by the TP4/5 and 
must NOT be connected to any 
TP4/5 terminals. Instead they 
should be made electrically safe 
and coiled in the recess at the 
back of the TP4/5.
Wiring
Installation Instructions
GB