ASSEMBLY DIAGRAM XILO D 24 MC W TOP - card code 4.56040.0
L
J1
F
N
L1
J14
TA
BM
SR
SS
Lock-out warning light
LEGEND
Modulating coil
BM
Heating circulator
CiR
EA
Ignition electrode
EC
Control electrode
Fuse 2(A)
F
FC
Flue control
JP1
Methane/LPG selector
Post-circulation selector
JP3
JP4
Ignition limiting selector
JP5
Jumper to be cut for low temperature
Mono-thermal/bi-thermal switch
JP6
Warning: One of the two gas valves only, VG or VG1, is fitted on the boiler.
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CiR
J3
J8
J9
JP6 JP7
J6
JUMPER TO BE CUT IF LIMIT
JP3
THERMOSTAT
JP1
IS REQUIRED
JP5
JP4
(LOW TEMPERATURE)
RLA
Rmax .
3
ON/OFF warning light
Phase 230 V 50 Hz
L
MP
Hot water priority micro pressure
switch
Neutral
N
PS
No-water pressure switch
RLA
Slow ignition power adjustment
Rmax. Heating max. power adjustment
SR
Heating sensor
SS
Hot water sensor
TA
Room thermostat (if any)
Limit thermostat (if any)
TL
VG
TST
VG1
J12
PS
FC
TL
MP
+
S
J10
J13
PANEL
CONNECTION
2
1
Malfunction warning light
EA
EC
J15
TST
Safety thermostat
Gas valve SIT 837
VG
Gas valve Honeywell
VG1
VK 4105M
1
Heating potentiometer
Selector: Off
2
Summer
Winter
Reset
Test
3
Hot water potentiometer
41