Toshiba RAS-4M27U2AVG-E Installation Manual page 13

Outdoor Unit
1. Detach the front panel. Do not remove the air discharge grille.
2. Turn on the circuit breaker to supply electricity.
In the initial LED display status, D805 is lighted as below.
○ : ON, ● : OFF, ⌾ : Rapid Flashing (5 times/sec.),
D800 D801 D802
● ● ●
Start running all the indoor units connected to the outdoor unit in the
cooling mode.
The checking procedure cannot be completed if the cooling mode is not
operated in every indoor units.
LED
3. Hold down SW801 for at least 5 seconds, and check that D800 is
lighted and D804 light is fl ashing(1time/sec.).
D800 D801 D802
○ ● ●
4. Press SW801 for 1 time. Then D804 light is fl ashing (5 times/sec.).
D800 D801 D802
○ ● ●
5. Press SW802 for 1 time. Then D805 light is fl ashing (5 times/sec.).
D800 D801 D802
○ ● ●
6. Hold down SW802 for at least 5 seconds. Then outdoor unit start
cooling mode.
(The display is kept during the refrigerants collection operation.)
D800 D801 D802
○ ● ●
7. Close the valve stem of the service valve at the liquid end.
8. Make sure that the compound pressure gauge reading is –101 kPa
(–76 cmHg)
9. Close the valve stem of the service valve at the gas end.
10. The refrigerants collection operation is fi nished in maximum 10 minutes.
After the collection is fi nished, promptly stop the operation of all the
indoor unit.
(There are cases that the compressor restarts.)
11. When you want to start over the operation of the SW801 and SW802,
press the SW801 and SW802 at the same time for 5 sec. (It back to the
initial condition of 3.)
However, do not execute the operation during the refrigerants collection.
If by any chance the collection is stopped by the operation, start over the
refrigerants collection operation.
◇ : Slow Flashing (1 time/sec.)
D803 D804 D805
● ● ○
SW801
D803 D804 D805
● ◇ ●
D803 D804 D805
● ⌾ ●
D803 D804 D805
● ⌾ ⌾
D803 D804 D805
● ◇ ○
12
Installation Manual