Discharge Pipe Temperature Control - Daikin RX-W Series Service Manual

Control Specification
5.4

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.
Details
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
A
B
C
D
E
84
B
C
D
Discharge pipe
temperature
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.
09/12 class 15/18/24 class
(°C) (°F) (°C)
110 230.0 110
103 217.4 103
98 208.4 101.5
93 199.4 100
88 190.4 95
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
Control
(°F)
230.0
217.4
214.7
212.0
203.0
SiUS092230EA
A
E
(R25005)
Part 4 Functions and Control