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Checklist - AEG THYRO-A Operating Instructions Manual

Thyristor power controller.
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8.4 Checklist

• LED ON green does not light up
- Check fuse control 500V 1.6A, if defective check external wiring, also applies to
faults of external fusing, check Power Controller fusing.
- If fuse is defective then check load and wiring to load. Synchronization voltage is
supplied to X1.1 supply(load) voltage must also be supplied by 24V current supply.
- With transformer load, check phase angle 1 (TRAFO ADAPTION) - fuse release
caused by rush current is possible if setting is incorrect.
- Check 5V to X2.8. If this voltage is absent or too low, there is a defective compo-
• Supply available but no load current
- Check that pulse lock is cleared (jumpered) terminal X2.1,2
- Check set point
- Check for load interruption
- Check blinking LED indications (chapt. 3.3))
• Load current does not have expected value
- Check set point Terminal X2.4 against X2.3 ground or
Bus set point (with optional bus module)
- Set point/controller value, max. value correctly parameterized (Poti R203)
- Check all parallel load resistances for current conduction
- Checkthat end control setting is correct
• Load current flows without triggering
- Check that current transformer is correctly connected with I / I
- Check limit values for correct setting
- Check control characteristic adjustment (U, I, live-zero)
- Check control end for correct setting
9. Type overview
The type key comprises from left to right:
Type range
Number of controlled phases
Mains supply voltage
Type current
and designations for incorporated semiconductor (H), with ventilator (F), indication
relay (R), load current recording (L), power recording (P) and characteristic 1 for
"series 2002".
1A, 2A
230, 400, 500 (V)
30 ... 280 (A)
control (X4)


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    TH​YRO-A 2A 400V
    MODEL : HRL1
    MFR : AEG
    As per attached file
    Qty : 2