iC ECONOMISER COMBINATION BOILER LAYOUT
1
Heat exchanger
9
Control panel
17
Safety valve
2
Ignition unit
10
Three-way valve
18
DHW Economiser
3
Fan unit
11
Circulation pump
19
Siphon
4
Air supply damper
12
Filling loop
20
Isolation valve flow CH
5
Gas valve
13
Flue gas exhaust
21
Isolation valve gas
6
Automatic de-aerator
14
Combustion air supply
22
Isolation valve cold water
7
DHW plate heat exchanger
15
Boiler data plate
23
Isolation valve return CH
8
Control unit
16
Expansion vessel
24
Flue non return valve
T1
Flow sensor
P1
Water pressure
C
Condensation pipe
T2
Return sensor
G
Gas pipe
K
Cold water pipe
T3
Hot water sensor
A
Flow pipe CH
W
Hot water pipe
F1
DHW flow sensor
R
Return pipe CH
Boiler layout
20
A
W
G
21
K
22
R
23
13
14
5
24
6
3
2
1
16
T1
P1
T2
18
15
7
4
11
9
12
8
17
19
C
F1
T3
10
7
Summary of Contents for BC100124
Page 1: ...Appliance Technical Guide SERVICE ENGINEER EDITION ...
Page 24: ...PCB electrical diagram LMU 24 ...
Page 35: ...Notes 35 ...