Fujitsu ACUH09LUAS1, Руководство по обслуживанию

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 During heating mode or fan mode and when operation is stopped
• Triggering condition
Drain pump is turned on at the same time that the float switch is turned on.
• Operation details
→hen the float switch turns on continuously for 3 minutes, "failure indication" operates. There-
after, even if the float switch turns off, the "failure indication" is not released. (It is necessary to
turn off power for release it.)
3 minutes
On
Off
On
Off
Float switch
Drain pump
• Release condition
Drain pump operates continuously for 3 minutes after the float switch is turned off and then
drain pump is turned off.
7-9. Prevention to restart for 3 minutes (3 minutes st)
→hen the compressor fails to start for the number of times below, it does not enter operation status
for 3 minutes.
Retry number 50
Retry set number 3
→hen the compressor fails to start in the retry set number above, the compressor is stopped.
7-10. 4-way valve control
• If heating mode is selected at the compressor start, 4-way valve is energized for heating.
• →hen the air conditioner is switched between cooling and heating mode, compressor is stopped,
and the 4-way valve is switched when the 140 seconds passes and the compressor is started.
7-8. Drain pump control
- (04-29) -
7. Various control
C
O
N
TR
O
L
A
N
D
FU
N
C
TI
O
N
S
C
O
N
TR
O
L
A
N
D
FU
N
C
TI
O
N
S