Discharge Pipe Temperature Control - Daikin K-Series Service Manual

SiBE061121.book Page 35 Monday, April 25, 2011 3:20 PM
SiBE061121
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 When the temperature reaches the stop zone, the compressor stops.
Dropping zone The upper limit of frequency decreases.
Keep zone The upper limit of frequency is kept.
Up zone The upper limit of frequency increases.
Reset zone The upper limit of frequency is canceled.
25/35 class 50 class
A (°C) 110
B (°C) 105
C (°C) 101
D (°C) 99
E (°C) 97
Stop zone
Dropping zone
Keep zone
Up zone
Reset zone
Control
110
103
101.5
100
95
Control Specification
A˚C
E˚C
(R14642)
35