Precautions when inspecting the control section of the outdoor unit

NOTE :

A large-capacity electrolytic capacitor is used in the outdoor unit controller (inverter). Therefore, if the power supply is turned off, charge (charging voltage DC280 to 380V) remains and discharging takes a lot of time. After turning off the power source, if touching the charging section before discharging, an electrical shock may be caused. Discharge the electrolytic capacitor completely by using soldering iron, etc.

< Discharging method >

(1)Remove the inverter cover (plating) by opening four mounting claws.

(2)As shown below, connect the discharge resistance (approx. 100Ω40W) or plug of the soldering iron to voltage between + – terminals of the C14 (“CAUTION HIGH VOLTAGE” is indicated.) electrolytic capacitor (760µF/ 400V) on P.C. board, and then perform discharging.

 

 

Inverter cover

Discharging position

Plug of

P. C. board

(Discharging period

(Soldered surface)

10 seconds or more)

soldering iron

 

Fig. 11-1

– 79 –

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Toshiba RAS-M14EAV-E, RAS-M13EKCVP-E, RAS-M18EACV-E, RAS-M14EACV-E, RAS-M16EKCVP-E, RAS-M10EKCVP-E Inverter cover, Board
Page 78 Page 80

RAS-B10EKVP-E, RAS-M14EAV-E, RAS-B13EKVP-E, RAS-M18EAV-E, RAS-M10EKCVP-E specifications

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