Technical data

42
Table 5.1 – AY10 and S70 controller components
CONTROLLER COMPONENT LEGEND
CODE DESCRIPTION
COMPONENTS OF CONTROLLER S70
TL limit thermostat connector
EV gas solenoid valve connector
LS gas valve ON indicator lamp connector
P1 ame controller connector
TF fumes thermostat connector
PD circuit water dierential pressure switch connector
A1 - A2 auxiliary connectors
J2 circuit water circulator controller jumper
No Contact system water circulator controller terminal clamps (max 700W)
V3V (1-2-N) machine circulator terminal clamps
MAIN 230V (L-N) power supply connector
IGN. BOX (N-L) ignition controller connector
COMPONENTS OF CONTROLLER AY10
P1
blower control connector
PWM= signal output GND= ground
THRC input hot water temperature probe connector
THMC output hot water temperature probe connector
TA2-TA1 auxiliary temperature probes connector
J1 CAN BUS jumper
P8 [GND-L-H]
CAN port / connector
H= high data signal L= low data signal
GND= common data
signal
P7 (R-W-0)
operation consent connector
R= common terminal
W= HOT consent
terminal
0= terminal not used
FS5 [24ac1-0V-24ac2] controller power connector
F1 - F2 fuses
Controller component legend.