14
OPTIMAX HE PLUS 25 S
Cod. 3540R540 - 02/2009 (Rev. 00)
fig. 13
The user must never change the unit’s power cable. If the cable gets damaged, switch off the unit
and have it changed only by professionally qualified personnel. If changing the electric power cable,
use only
“HAR H05 VV-F”
3x0.75 mm
2
cable with a maximum outside diameter of 8 mm.
Access to the electrical terminal block
Follow the instructions given in fig. 13 to access the electrical connection terminal block. The layout of
the terminals for the various connections is given in the wiring diagram in the Technical Data chapter.
Key
62
Time Clock (optional)
fig. 14
Room thermostat
Remove connections 5 - 6 if external control fitted.
If using external controls the switched line can be connected into terminal 5 of the electrical
block ( see fig 15 and 16 ).
Warning: the
room thermo-
stat works at
230V
