Ferroli OPTIMAX HE PLUS 25 S User Manual

15
OPTIMAX HE PLUS 25 S
Cod. 3540R540 - 02/2009 (Rev. 00)
Central heating Demand
The heat demand can be controlled by the room thermostat (terminal 5-6) or by a switch line 230 V
(terminal 5).
Standard Systems
For a general pipe layout and wiring diagram on the “S” and “Y” plan systems please see fig.
15a, 15b, and 16a, 16b.
OPTIMAX “S” Plan
Wiring diagram
OPTIMAX
FERROLI
BOILER
D.H.W.
Zone Valve
C.H.
Zone Valve
Auto air vent
4321
Junction Box
NEL
Terminal 5 - SWITCH LINE
12345678910
PROGRAMMER
DHW ON
CH ON
NEUTRAL
LIVE
CH
zone
valve
DHW
zone
valve
Room Thermostat
Cylinder Thermostat
N
E
L
230 Vac
BROWN BLUE
GREY ORANGE
L
6
5
Fig. 15a
Fig. 15b
Remove
Link
between
terminals 5-6
Pipe layout

Ferroli OPTIMAX HE PLUS 25 S Specifications

General

Brand	Ferroli
Model	OPTIMAX HE PLUS 25 S
Category	Boiler
Language	English