Replacing Fan Driver (2)
Step 3 Disconnect external cables from ports shown in below Figure;
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(1) Pressure sensor terminals
(2) Three-phase output port
(3) Outdoor fan over
temperature
protection port
(4) N wire terminal bar
(5) Main circuit breaker
(6) Port 1A/2A and Port
1B/2B
(7) Grounding cooper bar
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