ADI CD boiler - Technical Manual
4. BOILER GENERAL VIEW: DESCRIPTION OF THE COMPONENTS
A
Boiler heat exchanger (higher collector)
B
Flanges (boiler heat exchanger – burner – air/gas fan)
C
Ignition-ionization kit
D
Flame visor
E
Motor fan (variable speed)
F
Fan
G
Venturi for air inlet and gas mix
H
Gas shut-off valve
J
Boiler control unit and power modulation
L
Hot water flow
M
Hot water return
N
Flues outlet
P
Gas connection
Q
Air pressure switch
R
Air filter
S
Ignition transformer
T
Gas pressure switch
U
Pressure sensor
V
Air vents (manual)
Models ADI CD 70 to 175 (view from above):
(S)
(V)
(B)
(D)
(C)
(H)
(T)
(P)
(U)
(L)
(E)
(F)
(V)
(M)
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