Low Hz High Pressure Limit - Daikin CTXS07LVJU Service Manual

SiUS121602E
A (minutes)
B (°C)
C (°F)
D (Hz)
E (Hz)
F (seconds)
G (seconds)
H (seconds)
J (seconds)
K (pulse)
L (pulse)
M (pulse)
N (pulse)
P (pulse)
Q (pulse)

3.12 Low Hz High Pressure Limit

Outline The system controls the upper limit of the frequency to prevent abnormal high pressure while the
frequency is low. Control is carried out according to three zones.
Detail
Function and Control
All outdoor units
26
4 ~ 12
39.2 ~ 53.6
58
42
90
60
530
40
400
250
300
400
50
0
A
Reset zone
Highest indoor
heat exchanger
temperature
among
operating rooms
A
B
C
Dropping zone
B
Keep
zone
C
(R14587)
All outdoor units
52°C (125.6°F)
51°C (123.8°F)
48°C (118.4°F)
Control Specification
69