Aurora Service Manual

Control Specification SiUS121737EA
101 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)