Hitachi RAS-10JH4 - Precautions for Servicing; Removing P.W.B.s (Outdoor Unit); C. Power Factor Improvement Capacitor

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Ｅｌｅｃ-ｃｏｖ-ｕ
Ｅｌｅｃ-ｃｏｖ-ｓ
ＩｎｄｉｃａｔｉｎｇＰ．Ｗ．Ｂ．
Ｅｌｅｃ-ｃｏｖ-ｕｐｐｅｒ
Ｅｌｅｃ-ｃｏｖ-Ｌｏｗｅｒ
Ｗｉｒｅｃｏｌｏｒｏｆｗｈｉｔｅ
Ｗｉｒｅｃｏｌｏｒｏｆｂｌａｃｋ
Ｓｃｒｅｗｆｏｒｆｉｘｅｌｅｃ-ｃｏｖ-ｓ
Ｔｈｅｐａｗｌｏｆｅｌｅｃ-ｃｏｖ-ｕｓｈａｌｌｂｅｈｏｏｋｅｄｏｎ
ｔｈｅｃｕｔｔｉｎｇｐｏｒｔｉｏｎｏｆｅｌｅｃ-ｃｏｖ-ｓ．
Ｔｈｅｎｔｈｅｅｌｅｃ-ｃｏｖ-ｕｓｈａｌｌｂｅｉｎｓｅｒｔｅｄ．
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Thelowerprojectionofelectricalpartsshallbesuretobehookedincabinet.
Wheninstallingtheparts,usecautionnottopinchanycodebetweenthe
partandcabinet.
Screwforfixwireofearth
Screwforfixelectricalparts
MODEL RAS-10JH4, RAS-14JH4
STRUCTURE OF AN INDOOR UNIT ELECTRIC PARTS
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ＩｎｄｉｃａｔｉｎｇＰ．Ｗ．Ｂ．（atswitch）
ＩｎｄｉｃａｔｉｎｇＰ．Ｗ．Ｂ．（ａｔｄｉｓｐｌａｙｐａｎｅｌ）
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ＰａｗｌｓｔｏｆｉｘＰ．Ｗ．Ｂ．（２ｐｌａｃｅｓ）
ＰａｗｌｓｔｏｆｉｘＰ．Ｗ．Ｂ．（５ｐｌａｃｅｓ）
ＰａｗｌｓｔｏｆｉｘＰ．Ｗ．Ｂ．（４ｐｌａｃｅｓ）
1. Removing elec-cov-u. However, be cautious as indicating P.W.B. is attached to the cover.
2. Remove the connectors of CN1 (Thermistor), CN4 (Stepping motor for auto sweep), CN5 (Ventilation damper motor),
CN9 (Gas sensor), CN10 (Indoor fan motor) and CN11 (Ventilation fan motor) from control P.W.B.
3. Remove the fixing screw for electric part (2 places) and earth wire then remove the electric parts.
In case the connector cannot be removed in the step2. above, remove the securing screws for electric part cover S, CN3,
CN7 connecters and black and white wire of terminal A,B and then remove the electric part cover.
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Removing electrical parts
1. Remove the securing screws for electric part cover S, CN3, CN7 connecters and black and white wire of terminal A,B and
then remove the electric part cover S.
2. Remove the CN2, Cn8 connecters from the control P.W.B.
3. Remove the upper part of securing pawls (2 places) and then remove the board.
HOW TO REMOVE CONTROL P.W.B.
1. Remove CN2 connecters from the control P.W.B. (or indicating P.W.B.).
2. Remove the upper part of securing pawls (2 places) and then remove the board.
HOW TO REMOVE INDICATING P.W.B. (at display panel)
1. Remove CN8 connecters from the control P.W.B. (or indicating P.W.B.).
2. Remove the right side of securing pawls and then remove the board.
HOW TO REMOVE INDICATING P.W.B. (at switch)
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