Control Specification
SiUS121632EA
90
Functions and Control
4.12 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.
Details
All outdoor units
A
(minutes)
26
B
(°C)
4 ~ 12
C
(°F)
39.2 ~ 53.6
D
(Hz)
58
E
(Hz)
42
F
(seconds)
90
G
(seconds)
60
H
(seconds)
530
J
(seconds)
40
K
(pulse)
400
L
(pulse)
250
M
(pulse)
300
N
(pulse)
400
P
(pulse)
50
Q
(pulse)
0
All outdoor units
A
52°C (125.6°F)
B
51°C (123.8°F)
C
48°C (118.4°F)
A
B
C
Highest indoor
heat exchanger
temperature
among
operating rooms
Reset zone
Dropping zone
Keep
zone
(R14587)
