– 52 –
6. Service Operation Circuit
●
Use the service switch to select “Cooling” temporarily when the interior electric equipment has troubled.
●
Setting the switch to “Cooling” causes continuous cooling room temperature control. To control the room
temperature, turn on and off the disconnect switch. To protect the compressor, wait at least 3 minutes
before turning on again.
●
The fan speed is “MED”.
●
Does not operate is 12V is not generated in the control circuit.
●
When the service switch is used for operation, each change switch is overridden.
●
Setting the service switch to “Cooling” turns on the “Stick relay” and “Power relay”.
Micro computer
(AX-3U)
FORCE COOL 42
5V
0V
R606
Cool
Normal
Содержание RAC-07GH4
Страница 36: ... 33 WIRING DIAGRAM MODEL RAS 07 09 14GH4 RAC 07 09 14GH4 RAS 63CHA1 RAC 63CHA1 ...
Страница 38: ... 37 PRINTED WIRING BOARD LOCATION DIAGRAM MODEL RAS 07GH4 09GH4 14GH4 RAC 07GH4 09GH4 14GH4 ...
Страница 68: ...HITACHI PM NO 0000E Printed in Malaysia RAS 07GH4 RAC 07GH4 RAS 09GH4 RAC 09GH4 RAS 14GH4 RAC 14GH4 ...