43
WATER CIRCUIT
LEGEND
A
System supply
B
Gas
C
Cold water inlet
D
System return
E
Heater return
F
Heater supply
1
Exchanger
2
Modulator coil
3
Heating sensor
4
Gas valve
5
Filling tap
6
Safety valve
7
No-water pressure switch
8
Circulator
9
Burner
10
Expansion tank
11
Fume pressure switch
12
Fan
13
Automatic air bleed valve
14
Total safety thermostat
15
Flue control
16
By-pass (if any)
XILO T 24 M W TOP
XILO T 24 MS W TOP
D
C
F
B
A
E
4
2
6
5
16
7
8
13
14
9
10
1
3
15
1009DIS1359
11
12
D
C
F
B
A
E
4
2
6
5
16
7
8
13
14
9
10
1
3
1009DIS1360
Fume analysis points
Summary of Contents for XILO T 24 M W TOP
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