Service - Bosch T2400S 8 ND 23 Training And Service Information For After Sales

Room sealed fan assisted / pressurized gas water heater for indoor installation
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-8
34.49
-7
32.93
-6
31.43
-5
30.03
-4
28.68
-3
27.40
-2
26.19
-1
25.04
0
23.95
1
22.92
Table 13 – NTC resistance values for Outlet Water NTC (Temperature Index table)
In order to ensure a correct start up of the appliance and a correct function after any
intervention on the appliance, the installation manual must be read and instructions and
main functions must be explained to the end user.

6. Service

When replacing the control unit, configurations need to be checked and set accordingly.
The parameters accessible to the user / installer are as indicated in following pictures.
Procedure to enter in Service Mode:
-
Press and hold "menu" for more than 5 seconds;
From this position and using the selection buttons "+" and "-", different service modes can
be assessed.
Note: In the LPP versions (W / WD / T2400) an external wired display is supplied with the spare
parts in order to allow technician to enter service mode and perform control unit configurations.
This remote can also be purchased separately (ETNR: 8 738 722 974)
Attention:
Control units are supplied as spare part with following default values:
-
20 = Natural Gas (see P7 on AA menu)
-
15 = 15 liters appliance operation (see AP on AA menu)
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34
6.093
35
5.875
36
5.666
37
5.466
38
5.275
39
5.090
40
4.913
41
4.742
42
4.581
43
4.424
Pict.34 – Portable LPP HMI for PCB configurations
6 720 887 546 "SM FP_ErP LPP-MPP Europe 2018/05 en"
76
1.547
77
1.502
78
1.460
79
1.416
80
1.378
81
1.339
82
1.302
83
1.265
84
1.230
85
1.196

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