Discharge Pipe Temperature Control - Daikin FTX50GV1B Service Manual

Control Specification
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
37
B˚C
C˚C
D˚C
Discharge pipe
temperature
50/60 class
A (ºC) 110
B (ºC) 103
C (ºC) 101.5
D (ºC) 100
E (ºC) 95
The same value continues.
Zone
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
71 class
120
111
109
107
107
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.
SiBE041029EC
Stop zone
A˚C
Dropping zone
Keep zone
Up zone
E˚C
Reset zone
(R14642)
Control
Function and Control