User guide

9
Boiler Components
14532
A - Heating Flow (22mm)
B - D.H.W. Outlet (15mm)
C - Gas Inlet (22mm)
D - Cold Water Inlet (15mm)
E - Heating Return (22mm)
E
DCB
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15
16
17
18
19
20
21
22
23
24
25
A
t
t
h
e
r
e
a
r
A
t
t
h
e
r
e
a
r
A
t
t
h
e
r
e
a
r
14 - Air Pressure Switch
15 -
Condensing Unit (Turbo heat exchanger)
16 - Overheat Safety thermostat
17 - Ignition Electrode
18 - Heating Circuit– Pressure Safety Valve
19 - Secondary Heat Exchanger
20 - Automatic Air Vent
21 - Water Pressure Switch/Sensor
22 - Pump
23 - Gas Valve
24 - D.H.W. Flow Sensor
25 - Filter Valve (Below the pump)
Key
1 - D.H.W. Sensor
2 - Diverter Valve Motor
3 - Diverter Valve
4 - Condensate Trap
5 - Limit Thermostat
6 - Expansion Vessel (At rear of the boiler)
7 - Burner
8 - Flame Sensor Electrode
9 - C.H. Sensor (Heating Sensor)
10 - Combustion Chamber
11 - Primary Heat Exchanger
12 - Fan Hood
13 - Fan
A