Toshiba MCY-MHP0305HT-C Service Manual page 73

(1) Cooling test operation function
This function is provided to change collectively the mode of all the indoor units connected to the same system for
the cooling test operation mode, by using switches on the interface board of the outdoor unit.
<Operation procedure>
Power ON
Set SW01 / SW02 / SW03 on the interface P.C. board of the outdoor
unit to [2/5/1]. ([C. ] is displayed on 7-segment display [A].)
Press SW04 on the same board for 2 seconds or more.
[Test run] is displayed on the remote controller of the
indoor unit to be operated.
Check that [ – C] is displayed on 7-segment display [B]
on the interface P.C. board of the outdoor unit.
Return SW01 / SW02 / SW03 on the interface P.C. board of the
outdoor unit to [1/1/1], or press the push-switch SW05 for 2 seconds or
more.
Interface P.C. board
SW06 SW07 SW09 SW10
SW11 SW12 SW13 SW14
SW16 SW17
SW30
NOTE) The test operation returns to the normal operation after 60 minutes.
Be sure to turn on the power at indoor
side before power-ON of outdoor unit.
SW04 SW05 SW15
Push switch
D600 D601 D602 D603 D604
SW01 SW02 SW03
7-segment
display [A]
72
95
Start
Operation check
Stop / End
Push switch
SW04 SW05 SW15
7-segment
display [B]
D600 D601 D602 D603 D604
SW01 SW02 SW03
Rotary switches