HindlePower ATevo Series Operating/Service Instructions Manual page 283
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Also See for ATevo Series:
- Operating/service instructions manual (164 pages) ,
- Operations (173 pages) ,
- Operating/service instructions manual (311 pages)
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14.3.11.
14.3.11. Replacing Power Isolation
Transformer (T1)
Transformer (T1)
Preparation & Existing Transformer Removal for All ATevos:
Preparation & Existing Transformer Removal for All ATevos:
• Shut down and lock out all power to ATevo.
• Remove safety shield.
• Disconnect battery and dc load(s) from DC Output Circuit Breaker (CB2+/-).
• Check with a voltmeter before proceeding, including any installed remote sense wires.
• Remove enclosure shroud.
• Disconnect X1 and X4 wires from Transformer (T1) at Power Board lugs.
• Disconnect Y1 and Y2 wires from Transformer at Power Board terminal block (A2-TB11).
For ATevos with Standard Input Transformer (no multi-tap option):
For ATevos with Standard Input Transformer (no multi-tap option):
• Disconnect MOV Board (A9) from H1 and H5 primary leads by removing two (2) screws
that connect H1 and H5 lugs to board.
• Disconnect H1 and H5 primary wires from AC Input Circuit Breaker (CB1-L1/L2).
For ATevos with Multi-tap Transformers:
For ATevos with Multi-tap Transformers:
• Disconnect H1, H2, H3, H4, and H5 primary wires from Multi-Tap Terminal Block (TB-H#).
New Transformer Installation for All ATevos:
New Transformer Installation for All ATevos:
The Power Isolation Tansformer (T1) is extremely heavy. Be prepared to
support its weight before proceeding.
• Remove four (4) screws at corners of the transformer mounting plate.
• Carefully lift the Transformer (T1) off of enclosure back wall.
• Position new Transformer (T1) with same orientation as existing, making sure mounting
holes in plate align with holes in enclosure back wall.
• Install mounting screws in corners of transformer plate.
For ATevos with Standard Input Transformer (no multi-tap option):
For ATevos with Standard Input Transformer (no multi-tap option):
• Route H1 and H5 primary wires to the AC Input Circuit Breaker (CB1-L1/L2), making sure
that lugs for MOV board connection align with bolt holes in MOV board (A9).
• Install the two (2) screws through lugs that connect MOV Board to primary wires and
tighten nuts.
• Insert ends of H1 and H5 primary wires into the AC Input Circuit Breaker (CB1-L1/L2) and
tighten compression lugs.
Copyright HindlePower Inc. 2021
Replacing Power Isolation
ATevo O&SI - 1PH Input Group I (6-25 Adc) - 1.1_en
Page 283 of 316
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