22
5.8 TYPE OF CONNECTIONS
The following table shows the required connections
Ref
Description
Type of connection
J1
Flame detector’s grounding
Faston female 6,3 mm
J2
Detecting electrode Faston female 4,8 mm
Faston fermale 4,8 mm
ACC2
Ignition electrode
Faston female 2,8 mm
J3
Safety grounding )
Faston female 6,3 mm (7 poles
J4
Ground
2 poles screw terminal for Ø 2,5 mm
!
wires
J5
Power supply
2 poles screw terminal for Ø 2,5 mm
!
wires
J6
Power supply for blower FAN,
Blower EF, auxiliary transformer and modulation input/output
9 poles connector type MOLEX® 3001
(terminals type MOLEX® 2478)
J7-J8 (note 1) First stage valve EV1 and second stage valve EV2
4 poles type MOLEX® 3001
(terminals type MOLEX® 2478)
J9
Modulator power supply (MOD) Connector
2 poles type LUMBERG® 3114
(terminals type LUMBERG® 3111 01 L)
J10
Room temperature (SR) and air temperature (SA) probes
9 poles connector type LUMBERG® 3114
(terminals type LUMBERG® 3111 01 L)
J11
Air pressure gage (APS) or PWM signals
low-voltage
7 poles connectors type LUMBERG® 3114
(terminals type LUMBERG® 3111 01 L)
J12
OpenTherm® communication connector and
Fire damper
6 poles screw terminals for Ø 2,5 mm
!
wire
J13
RS-232 port for connection to the diagnostic software
4 poles connector LUMBERG® 3517 04 K
J14
Remote status and reset led connection
5 poles LUMBERG® 3517 05 K
J19
Pressure sensor
3 poles LUMBERG® 3114
(terminals LUMBERG® 3111 01 L)
NOTE: J7 and J8 are connected in parallel
configuration. It may useful for twin solenoids gas valve.
NOTE:
J7 and J8 are connected in parallel configuration.
It may useful for twin solenoids gas valve.