ECOFEL BOILER SERVICE MANUAL
11.3 Electrical Measurements:
12. Main Card:
- 22 -
Revision Date: 29 February 2008, Rev. No: 0
ELECTRICAL MEASUREMENT TABLE
COMPONENT NAME
MEASUREMENT
ENDS
MEASUREMENT
VALUES
VOLTAGE
RESIST-
ANCE
FAN
P9 SOCKET
ENDS NO. 1-2
220 AC
105 Ω
PUMP MOTOR
P9 SOCKET
ENDS NO. 5-6
220 AC
256 Ω
GAS VALVE SAFETY
VALVES
P9 SOCKET
ENDS NO. 3-4
220 AC
4.7 KΩ
GAS VALVE
REGULATOR VALVES
P2 SOCKET
ENDS NO. 1-2
10-2V DC
47 Ω
AIR PRESSURE
SWITCH
P3 SOCKET
ENDS NO. 1-5
SHORT
CIRCUIT
0 Ω
WATER PRESSURE
PRESSURE SWITCH
P3 SOCKET
ENDS NO. 4-7
SHORT
CIRCUIT
0 Ω
LIMIT THRMOSTAT
P3 SOCKET
ENDS NO. 2-6
SHORT
CIRCUIT
0 Ω
ROOM THERMOSTAT
P2 SOCKET
ENDS NO. 5-6
0 Ω
TURBINE (Hz)
P5 SOCKET
ENDS NO. 2-3
MAX 120-MIN 18 HZ
NTC Sensor
Heater P2 socket 3-4
Usage water P5 socket 1-6
Temperature ºC
Resistance KΩ
5
22
10
18
15
14
20
12
25
10
30
8
35
7
40
6
45
5
50
4
55
3
60
2,6
65
2,3
70
2
75
1,8
80
1,4
85
1,2
90
1
95
0,9
