ECOFEL BOILER SERVICE MANUAL
5. Detailed View Diagram:
5.1 Piping Circuit Diagram:
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Revision Date: 29 February 2008, Rev. No: 0
1
Heater return piping
2
Cold water inlet
3
Gas inlet
4
Usage hot water outlet
5
Heater stream piping
6
Gas valve
7
Usage water temperature sensor
8
Heater water temperature sensor
9
Ignition electrode
10
Burner
11
Heat exchanger
12
Fan
13
Pressure switch
14
Expansion tank
15
Limit thermostat
16
Ionization electrode
17
3 bars safety valve
18
Automatic air purger
19
Circulation pump
20
Flow control sensor
21
Filler valve
A
Filler Valve
B
Flow Control Switch
C
3 Bars Safety Valve
D
Circulation Pump
E
Automatic Air Purger
F
Expansion Tank
G
Pressure Switch
H
Hermetic Flue Kit
I
Fan
J
Heater Circuit Sensor
K
Limit Thermostat
L
Main Heat Exchanger
M
Burner
N
Gas Valve
0
Bypass
P
Closed Circuit Pressure Pressure Switch
Q
Hot Usage Water Sensor
R
Cold Water Inlet
S
Hot Usage Water Outlet
T
Heater Water Stream
U
Heater Water Return
V
Gas Inlet