Repairing The Heating; Checking The Heating Elements And Data - BANDELIN SONOREX RK 31 Service Instructions Manual

Compact ultrasonic cleaning units
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4. 4

Repairing the heating

4. 4. 1

Checking the heating elements and data

-
Check the heater fuses for conductivity in accordance with wiring diagram in appendix 3.
-
Check the dry-run protector for conductivity.
-
Check the heating for conductivity.
-
Check the heating for faulty insulation against tub.
-
Check the heater resistance.
Depending on the unit, the heater must have the following resistance values:
RK 31 H
RK 52 H, RK 100 H, RK 100 SH, RK 102 H,
RK 102 CH
RK 52 CH, TK 100 H
RK 103 H, RK 103 CH
RK 156 BH
RK 170 H
RK 255 H, RK 255 CH
RK 510 H
RK 512 H
RK 512 CH
RK 514 H, RK 514 BH
RK 515 CH
RK 517 H
RK 1028 H, RK 1028 BH, RK 1028 CH, RK 1029 H
RK 1028 CH
(from PRO-Nr.: 143-00014564-001)
RK 1050 H, RK 1050 BH, RK 1050 CH
If an element is defective, the oscillating tub must be separated from the housing in order to repair the
heater!
type
11
230 V
Ω
W
%
70
756
+/- 10
140
378
+/- 10
100
529
+/- 10
200
265
+/- 10
600
88
+/- 10
1600
33
+/- 10
280
189
+/- 10
400
132
+/- 10
400
132
+/- 10
560
94,5
+/- 10
600
88
+/- 10
700
75,5
+/- 10
600
88
+/- 10
1300
41
+/- 10
1450
36
+/- 10
1950
27
+/- 10
115 V
Ω
W
%
70
189
+/- 10
140
94,5
+/- 10
70
189
+/- 10
200
66,25
+/- 10
600
22
+/- 10
-
-
-
280
47,25
+/- 10
400
33
+/- 10
400
33
+/- 10
560
23,5
+/- 10
600
22
+/- 10
700
19
+/- 10
-
-
-
1300
10,25
+/- 10
1450
9
+/- 10
1950
6,75
+/- 10

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