Vaillant ecoMAX 613/2 E - Page 25

25
Boiler installation sequence 4
Instructions for installation and servicing ecoMAX 25
4.16.3 Electronic board layout (continued)
Fig. 4.16 Connection wiring ecoMAX 824/2, 828/2
Electronic control box
Aqua sensor
NTC
Hot water outlet
Fan unit
Ignition electrode
NTC
flow
Priority reversing valve
Gas valve assembly
NTC
backflow
X 2/4 red
X 2/10 white
X 2/15 blue
Plug-in coupling
Pump
X 2/9 red (22 VDC)
X 2/24 blue (earth)
X 2/12 blue (earth)
X 2/7 grey (PWM)
X 2/3 black (Hall signal)
X 2/17 red (22 VDC)
X 4/3 brown C
X 4/2 pink D
X 4/1 black A
X 4/4 blue B
X 2/13 red (+ 5V)
X 2/23 black (earth)
X 2/1 green (signal)
987
543
N
L
NL
Pump
Contact
therm
24V I
230V
RT 24V
230V
RT 230V
X 4
X 7
X 2
13
1
Coding resistance
1
1
1
X 6
X 2/19 violet (signal)
Water Switch
83 41 77_12 GB04.04.qxd 22.09.2004 12:34 Uhr Seite 25