20
Part 1 - General Safety Information
Part 3 - Prepare the Boiler for Installation
A
B C D
E
A
C
E
B
D
1.
Pressure relief valve
2.
Air purge valve
3.
Boiler outlet temperature sensor
4.
DHW Temperature Sensor
5.
Flue gas temperature sensor
6.
Main heat exchanger
7.
Flame detection electrode
8
Silencer
10.
DHW heat exchanger
11.
Condensate trap
12.
Gas valve
15.
Circulation Pump
16.
DHW Flow Sensor (Combi Models Only)
17.
Water pressure switch
18.
Modulating Fan
19.
Boiler inlet temperature sensor
21.
Ignition electrode
24.
Air intake connection
25.
Exhaust vent connection
26.
Diverter valve
27. By-pass
29.
Pressure gauge
Combi Models
Non-Combi Models
Figure 10 - Water Circuit Diagrams
CAPTION
A
Central Heating Supply
D
DHW Cold Inlet
B
DHW Hot Outlet
E
Central Heating (and Indirect Water Heater) Return
C
Gas inlet
F
Indirect Water Heater Supply
F
Содержание FTVN
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