4
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Components
Service manual
230
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Prerequisite:
Remove the required plate work, see
202].
1
Locate the thermistor.
2
Remove the insulation if needed. Check that the thermistor is correctly
installed and that there is thermal contact between the thermistor and the
piping or ambient.
Is the thermistor correctly installed
(thermal contact between the
thermistor and the piping or ambient)?
Action
Yes
Perform an electrical check of the
specific thermistor, see
No
Correctly install the thermistor, see
234].
To perform an electrical check of the external thermistor
Prerequisite:
First perform a mechanical check of the thermistor, see
1
Locate the thermistor:
INFORMATION
Remove the thermistor from its holder if not reachable with a contact thermometer.
2
Measure the temperature using a contact thermometer.
Name
Symbol
Location
(PCB)
Connector
(pins)
Unit
terminal
(wires)
Referen
ce
(table)
External
indoor or
outdoor
ambient
thermistor
R6T
Hydro
X22A: 1‑2
X5M: 8-7
A
3
Determine the thermistor resistance that matches the measured
temperature.
Thermistor – Table A
T °C
kΩ
T °C
kΩ
T °C
kΩ
T °C
kΩ
–20
197.81
10
39.96
40
10.63
70
3.44
–19
–18
–17
–16
–15
–14
–13
–12
–11
186.53
175.97
166.07
156.80
148.10
139.94
132.28
125.09
118.34
11
12
13
14
15
16
17
18
19
38.08
36.30
34.62
33.02
31.50
30.06
28.70
27.41
26.18
41
42
43
44
45
46
47
48
49
10.21
9.81
9.42
9.06
8.71
8.37
8.05
7.75
7.46
71
72
73
74
75
76
77
78
79
3.32
3.21
3.11
3.01
2.91
2.82
2.72
2.64
2.55
–10
111.99
20
25.01
50
7.18
80
2.47
draft – 31/05/2022 15:53
Содержание EBLA04E V Series
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