Electronic Board Layout - Vaillant TURBOmax Pro 28/2 E Instructions For Installation And Servicing

BOILER INSTALLATION SEQUENCE

Electronic board layout

Socket X2 for internal unit components
Socket X4 for minority reversing valve
Socket X7 for accessory box connection
Socket X8 for VRC-VC connection
Do not use!
Mains power supply: connections L, N and earth
Room thermostat, 230 V: connections 3, 4 and 5
Socket X12: pump connection
Socket X14: gas valve connection
Socket X13: fan unit connection
Fig. I.11: Connection wiring
26
Supplied By www.heating spares.co Tel. 0161 620 6677