Hitachi RAC-25FPA RAC25FPA User Manual
Product codes
RAC25FPA
14-11
14.2.5 MONO SPLIT RAK-50/60/70PPA / RAC-50/60/70WPA
Disharge Procedure
1. Turn off the power supply to the outdoor unit.
2. After power is turned off, wait for 10 minutes or more. Then remove the electrical parts cover and apply soldering iron of 30 to
1. Turn off the power supply to the outdoor unit.
2. After power is turned off, wait for 10 minutes or more. Then remove the electrical parts cover and apply soldering iron of 30 to
75W for 15 seconds or more to (+) and (-) terminals on system power module, in order to discharge voltage in smoothing
capacitor
capacitor
As shown beside, apply soldering iron to metal
parts (receptacle) inside the sleeve corresponding
to P1 and N1 terminals of system power module.
Do this with smoothing capacitors kept connected.
By removing red/gray lead wire from diode stack,
power supply can be shut off (corresponding to
(+) and (-).
to P1 and N1 terminals of system power module.
Do this with smoothing capacitors kept connected.
By removing red/gray lead wire from diode stack,
power supply can be shut off (corresponding to
(+) and (-).
Do no use a soldering iron with
transformer: If one is used, thermal fuse
inside transformer will be blown.
inside transformer will be blown.
14.2.6 MONO SPLIT RAF-25/35RPA / RAC-25/35FPA
Disharge Procedure
1. Turn off the power of the indoor unit or pull out the power supply plug.
2. After power is turned off, wait for 10 minutes or more. Then remove the electrical parts cover and apply soldering iron of 30 to
1. Turn off the power of the indoor unit or pull out the power supply plug.
2. After power is turned off, wait for 10 minutes or more. Then remove the electrical parts cover and apply soldering iron of 30 to
75W for 15 seconds or more to TAB3 (GRAY) and TAB4 (RED) terminals on the main P.W.B, in order to discharge voltage in
smoothing capacitor
smoothing capacitor
Do no use a soldering iron with
transformer: If one is used, thermal fuse
inside transformer will be blown.
inside transformer will be blown.
Smoothing
Capacitors
Capacitors
Soldering
iron
iron
Lead Wire