38
ASSEMBLY DIAGRAM XILO D 24 MCS W TOP
- card code 4.56035.0
3
2
1
L
N
J1
F
J14
L1
T A
CiR
J3
J4
VG1
VG
J12
J15
VN
TL
J6
J13
J9
J8
BM
JP4 JP2
JP3
TST
RLA
R max.
SR
SS
PS
JP5
JP1
PA
EA
EC
(LOW
TEMPERATURE)
JUMPER TO BE CUT IF LIMIT
THERMOSTAT
IS REQUIRED
PANEL
CONNECTION
Lock-out warning light
ON/OFF warning light
Malfunction warning light
MODULA
TOR
Resist.
1 kohm
J10
MP
+ S
LEGEND
BM
Modulating coil
CiR
Heating circulator
EA
Ignition electrode
EC
Control electrode
F
Fuse 2(A)
JP1
Methane/LPG selector
JP3
Post-circulation selector
JP4
Ignition limiting selector
JP5
Jumper to be cut for low temperature
JP6
Mono-thermal/bi-thermal switch
L
Phase 230 V 50 Hz
N
Neutral
MP
Hot water priority micro
pressure switch
PA
Air pressure switch
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)
TL
Limit thermostat (if any)
TST
Safety thermostat
VG
Gas valve SIT 837
VG1
Gas valve Honeywell
VK 4105M
VN
Fan
1
Heating potentiometer
2
Selector: Off
Summer
Winter
Reset
Test
3
Hot water potentiometer
Warning: One of the two gas valves only, VG or VG1, is fitted on the boiler.
Summary of Contents for 24 MC W TOP U/IT Xilo D
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