INSTALLATION MANUAL
ST2JVDR - ST2 with module for gas boilers
JV and auxiliary relay module DR
With ST2JVDR is possible to control:
- flame power by Junker gas boilers and domestic hot water
circulation (picture 43)
- flame power by Vaillant gas boilers and domestic hot water
circulation (picture 44)
type description S1.1
ST2JVDR
Gas boiler Junkers and domestic hot
water circulation (picture 43)
8
ST2JVDR
Gas boiler Vaillant and domestic hot
water circulation (picture 44)
8