Discharge Pipe Temperature Control - Daikin FTXM-K Series Service Manual

SiBE041434E
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
Function and Control
B˚C
C˚C
D˚C
Discharge pipe
temperature
20/25/35/42/50 class
A (°C) 118
B (°C) 108
C (°C) 103
D (°C) 97
E (°C) 85
Zone
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
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.
Control Specification
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R14642)
Control
42