Service manual

990-1008, Revision 1, 4/99 44
8.1.10 Load the system with 165% (See App.1). Check that:
• the system switches to battery operation.
• the output current is reduced to 155% +4/-2% (See App.1).
• After 30 seconds (±5 sec.) the output current is further reduced to 105 %
+4/-2% (See App.1).
• The system switches off after 5 seconds.
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8.1.11 Switch off the load.
Step 32 Enter 1 BYON
Step 37 Enter 5
8.1.12 Check lower switching off level -18% (See App.1).
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8.1.13 Check lower switching on level -9% (See App.1).
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8.1.14 Check upper switching off level + 12% (See App.1).
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8.1.15 Check upper switching on level +6.5% (See App.1).
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8.1.16* Check bypass with 100% resistive load (Apply S400 to CU)
Load as much as possible, but not more than 100%.
Measure V
OUT
±5% (See App.1).
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8.1.17* Check relay functions on COM-port by means of test-box.
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8.1.18 Check remote shutdown by means of test-box.
(Smart-UPS DP in battery operation).
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