Caleffi solar iSolar WMZ Podręcznik - Strona 14

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8.

Troubleshooting

Please pay attention to the following items, if the calorimeter
iSolar WMZ is not working properly.
CALEFFI
NORTH AMERICA, Inc.
Milwaukee, WI 53208
S1
S2
V40
VBus
1
2 3
4
5 6
9 10
Operating control lamp flashes red.
Sensor defect. An error code instead of a
temperature is shown in the correspond-
ing sensor indication channel.
888.8
Line is broken.
Check the line.
Pt1000 temperature sensors branched off
can be checked with an ohmmeter. In the
table shown below, the resistance values
corresponding to different temperatures
are listed.
°C
°F
Ω
-10
14
961
-5
23
980
0
32
1000
5
41
1019
10
50
1039
15
59
1058
20
68
1078
25
77
1097
30
86
1117
35
95
1136
40
104
1155
45
113
1175
50
122
1194
Resistance values of the Pt1000-sensors
| 14
T0,8A
Netz / Mains
IP 20
N
L
12 13 14
19
20
- 88.8
Short circuit.
Check the line.
°C
°F
Ω
55
131
1213
60
140
1232
65
149
1252
70
158
1271
75
167
1290
80
176
1309
85
185
1328
90
194
1347
95
203
1366
100
212
1385
105
221
1404
110
230
1423
115
239
1442
fuse T0,8A
Operating control lamp off.
Check the power supply. Is it disconnected?
no
The fuse of the device
could be blown. It can be
replaced after the front
cover has been removed
(spare fuse is enclosed in
the accessory bag).
yes
Check the supply line and
reconnect it.