E9 to E28 NKR Service Manual.pdf - Industrial Air
E9 to E28 NKR Service Manual.pdf - Industrial Air
E9 to E28 NKR Service Manual.pdf - Industrial Air
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o The indoor fan will operate according <strong>to</strong> pattern below.<br />
[Heating]<br />
o According <strong>to</strong> indoor pipe temperature, au<strong>to</strong>matic heating fan speed is determined as follows.<br />
13.2.2 Feedback control<br />
Immediately after the fan mo<strong>to</strong>r started, feedback control is performed once every second.<br />
During fan mo<strong>to</strong>r on, if fan mo<strong>to</strong>r feedback ≥ 2550 rpm or < 50 rpm continue for 10 seconds, then fan mo<strong>to</strong>r error<br />
counter increase, fan mo<strong>to</strong>r is then s<strong>to</strong>p and restart. If the fan mo<strong>to</strong>r counter becomes 7 times, then H19 - fan<br />
mo<strong>to</strong>r error is detected. Operation s<strong>to</strong>ps and cannot on back.<br />
13.3 Outdoor Fan Mo<strong>to</strong>r Operation<br />
Outdoor fan mo<strong>to</strong>r is operated with one fan speed only. It starts when compressor starts operation and it s<strong>to</strong>ps 30<br />
seconds after compressor s<strong>to</strong>ps operation.<br />
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