Vaillant ecoMAX 613/2 E - Page 27

27
Boiler installation sequence 4
Instructions for installation and servicing ecoMAX 27
4.16.3 Electronic board layout (continued)
Fig. 4.18 Connection wiring ecoMAX 613/2, 618/2, 622/2
Fan unit
Ignition electrode
NTC
flow
Gas valve assembly
NTC
backflow
X 2/4 red
X 2/10 white
X 2/15 blue
Plug-in coupling
Electronic control box
987
543
NL
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
Pump
Water Switch
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)
83 41 77_12 GB04.04.qxd 22.09.2004 12:34 Uhr Seite 27