gledhill TEC140-OV Installation & Servicing Instructions Manual page 45

SERVICING AND MAINTENANCE
2 4
J19
1 3
2 4
J20
1 3
7
14
6 13
5 12
4 11
J18
10
3
9
2
8
1
J3
8 7 6
4 2
3
To
DHW
pipe
Tasseron NTC 12k thermistor
Temperature
Resistance
Ohm °C
309396 -40
171840 -30
98932 -20
58879 -10
36129 0
22804 10
14773 20
12000 25
9804 30
6652 40
4607 50
3252 60
2337 70
1707 80
1266 90
952
100
Used on the store temperature sensors and the
cold water inlet temperature sensors
R-nominal 12Kohm @25°C
B3740K
B-value
3%@60°C
R-Tolerance
Tmin -40°C
Tmax 150°C
2 3
1
4 5 6
J7
2
5
1
1
Fuse
Huba combined flow sensor and NTC 10k thermistor
Resistance
±°C Ohm
1.7 334275
1.7 47369
1.6 26023
1.5 11000
1.4 10500
1.4 10000
1.3 9500
1.2 9000
1.2 8500
1.1 8000
1 7500
0.9 7000
1.1 6500
1.3 6000
1.5 5500
1.8 5000
4500
4000
3500
3000
2500
2000
1500
1000
R-nominal
B-value
R-Tolerance under 25°C±0.025*T °C over 25°C±0.05*T °C
Tmin
Tmax
2
J1
1
2
1
J8
6 1
7 2
8
3
9 4
10 5
E – G/Y
N - Blue
L - Brown
PR61
Temperature
°C ±°C
-36 0.9
-6 0.1
5 0.1
23 0.6
24 0.6
25 0.6
26 0.7
27 0.7
29 1.4
30 1.5
31 1.6
33 1.7
35 1.7
37 1.8
39 1.9
41 2.1
44 2.2
47 2.3
50 2.5
54 2.7
59 2.9
65 3.3
73 3.7
86 4.3
12Kohm @25°C
B4050K
-40°C
125°C
Page 45
GND GND Combined flow
IN OUT
and
T1 T2
HW temperature
sensor
All the these sensor inputs carry a
Voltage of 5V.
The max cable length is 1 meter.
TS sensor
The sensors connected to the control
Should be free from the appliance earth
CW sensor
flow rate determination
HZ l/min HZ
20 3.4 95
25 4.4 100
30 5.3 105
35 6.2 110
40 7.1 115
45 8.0 120
50 8.9 125
55 9.8 130
60 10.7 135
65 11.7 140
70 12.6 145
75 13.5 150
80 14.4 155
85 15.3 160
90 16.2 165
FAULT FINDING
l/min
17.1
18.0
19.0
19.9
20.8
21.7
22.6
23.5
24.4
25.3
26.2
27.2
28.1
29.0
29.9