EKRTWA
Room thermostat
4PW56101-1
Installation manual
3
6
Pass the unit or motorized valve wiring through the back of
the thermostat.
7
According your application, perform the wiring.
7a When connected to the unit, refer to the wiring diagram of
the unit.
For heating-only applications, wire connection to C is not to
be installed.
Use wire size 0.75~1.50 mm
2
/AWG18~16.
All field wiring and components must be installed by
a licensed electrician and must comply with relevant
European and national regulations.
Example unit
H
Heating demand
C
Cooling demand
H C L N
C
H
com
X1M
1D_IM_4PW56101-1.book Page 3 Thursday, August 27, 2009 10:44 AM