37
ASSEMBLY DIAGRAM XILO D 24 MC W TOP
- card code 4.56035.0
LEGEND
BM
Modulating coil
CiR
Heating circulator
EA
Ignition electrode
EC
Control electrode
F
Fuse 2(A)
FC
Flue control
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
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
1
Heating potentiometer
2
Selector: Off
Summer
Winter
Reset
Test
3
Hot water potentiometer
3
2
1
VG1
EA
EC
J12
TST VG
J15
L
N
J1
F
J14
L1
T A
CiR
J3
TL
J6
J13
J9
J8
BM
JP4 JP2
JP3
RLA
R max.
SR
SS
PS
JP1
TF
JP5
PANEL
CONNECTION
Lock-out warning light
ON/OFF warning light
Malfunction warning light
(LOW TEMPERATURE)
JUMPER TO BE CUT IF LIMIT
THERMOSTAT
IS REQUIRED
(LOW
TEMPERATURE)
MODULA
TOR
Resist.
1 kohm
J10
MP
+ S
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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