Discharge Pipe Temperature Control - Daikin FTX20K(2)V1B Service Manual

Control Specification
3.4

Discharge Pipe Temperature Control

The discharge pipe temperature is used as the internal temperature of the compressor. If the
Outline
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
31
B˚C
C˚C
D˚C
Discharge pipe
temperature
20/25/35 class
A (°C) 110
B (°C) 103
C (°C) 98
D (°C) 93
E (°C) 88
Zone
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
50/60/71 class
110
103
101.5
100
95
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.
SiBE041525F
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R22432)
Control
Functions and Control