Discharge Pipe Temperature Control - Daikin FFQ09Q2VJUFFQ12Q2VJUFFQ15Q2VJUFFQ18Q2VJURX09QMVJURX12QMVJURX15QMVJURX18QMVJU Service Manual

Control Specification
2.4

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
35
B
C
D
Discharge pipe
temperature
09/12 class
(°C) (°F)
A 110 230.0
B 103 217.4
C 98 208.4
D 93 199.4
E 88 190.4
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.
15/18 class
(°C) (°F)
110 230.0
103 217.4
101.5 214.7
100 212.0
95 203.0
Control
SiUS091628EA
Stop zone
A
Dropping zone
Keep zone
Up zone
E
Reset zone
(R23013)
Functions and Control