Replacing Power Isolation Transformer (T1) - HindlePower ATevo Series Operating/Service Instructions Manual

For Medium or High kAIC Breakers:
• These breakers are mounted to a breaker bracket via (2) screws
and nuts. The screws are along centerline of breaker between
the lugs on the left and right side of the breaker. The nuts are on
the back of the breaker bracket.
• Remove nuts from back of breaker bracket and pull breaker
toward you, off of breaker bracket.
• Remove screws from breaker and insert them into new breaker.
• Position new breaker onto breaker bracket and install nuts on
back of breaker bracket.
• Reconnect wires with same polarity as removed breaker.
• Replace safety shield and close the front panel door.
• Restart the ATevo.
14.3.13 Replacing Power Isolation Transformer
Preparation & Existing Transformer Removal for All ATevos:
• Shut down and lock out all power to ATevo.
• Remove safety shield.
• Disconnect the battery and dc load(s) from the 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):
• 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:
• Disconnect H1, H2, H3, H4, and H5 primary wires from Multi-Tap
Terminal Block (TB-H#).
ATevo
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