Viadrus G 700, Manual

Page: 11 / 23

11
Legend to Fig.no.2:
F1 fuse 6,3A
S1 main switch
H1 boiler under voltage signalling
Z1 suppression component
BT1 safety thermostat
PS1 water pressure manostat
H2 safety thermostat signalling
K1 external control relay BT2 service thermostat
X 10 burner connector
H3 burner defect signalling
H4 burner stage 2 operation
signalling
MPH1 burner stage 1 service hours
meter
MPH2 burner stage 2 service hours
meter
BT3 burner stage 2 thermostat
X20 burner connector NOTE:
Water pressure manostat (PS1) only in design for
MORA firm, in case it isn’t used connect the
conductor BT1:1from terminal X1:8 to terminal
X1:9. The outside control relay24VAC(K1)only in
design for SLANT/FIN. firm.
in case it isn’t used connect the conductor
X10:T1:1from terminal X1:12 to terminal X1:13.
Conductor colour:
GNYE green- yellow
BK black
RD red
WIRING DIAGRAM- BASIC DESIGN