Discharge Pipe Temperature Control - Daikin J Series Service Manual

SiBE041101
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 this temperature from going up further.
Detail
Function and Control
B˚C
C˚C
D˚C
Discharge pipe
temperature
Zone
Stop zone
Drooping zone
Keep zone
Up zone
Reset zone
20/25/35 class
A (ºC) 110
B (ºC) 105
C (ºC) 101
D (ºC) 99
E (ºC) 97
When the temperature reaches the stop zone, the compressor stops.
The timer starts, and the frequency is drooping.
The upper limit of frequency is kept.
The upper limit of frequency is increased.
The upper limit of frequency is canceled.
42 class 50 class
110 110
103 103
102 101.5
100 100
95 95
Control Specification
Stop zone
A˚C
Drooping zone
Keep zone
Up zone
E˚C
Reset zone
(R13529)
Control
40