Discharge Pipe Temperature Control - Daikin FVXG25K2V1B Service Manual

Control Specification
3.3.4 3-minute Standby
Turning on the compressor is prohibited for 3 minutes after turning it off.
(Except when defrosting.)
3.3.5 Compressor Protection Function
When turning the compressor from OFF to ON, the upper limit of frequency is set as follows.
(The function is not activated when defrosting.)
A (Hz)
B (Hz)
C (Hz)
D (seconds)
E (seconds)
F (seconds)
3.4

Discharge Pipe Temperature Control

Outline The discharge pipe temperature is used as the internal temperature of the compressor. If the
discharge pipe temperature rises above a certain level, the upper limit of frequency is set to
keep the discharge pipe temperature from rising further.
Detail
44
(Hz)
Frequency
C
B
A
25/35 class
48
64
88
240
360
180
B˚C
C˚C
D˚C
Discharge pipe
temperature
Zone
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
25/35 class
A (°C) 110
B (°C) 105
C (°C) 101
D (°C) 99
E (°C) 97
D E
50 class
55
70
85
120
200
470
When the temperature reaches the stop zone, the compressor stops.
The upper limit of frequency decreases.
The upper limit of frequency is kept.
The upper limit of frequency increases.
The upper limit of frequency is canceled.
50 class
110
103
101.5
100
95
SiBE061121_A
(sec.)
Time
F
(R13528)
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R14642)
Control
Function and Control