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

SiUS092231E
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
Part 4 Functions and Control
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 class 12/18/24 class
(°C) (°F) (°C)
110 230.0 120
103 217.4 111
98 208.4 109
93 199.4 107
88 190.4 107
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
Control
15 class
(°F) (°C) (°F)
248.0 110 230.0
231.8 103 217.4
228.2 101.5 214.7
224.6 100 212.0
224.6 95 203.0
Control Specification
A
E
(R25005)
80