MXS Service Manual

Control Specification SiUS121736EA
103 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
18 class 24/36 class
A (minutes) 33 26
B (°C) 4 ~ 12 4 ~ 12
C (°F) 39.2 ~ 53.6 39.2 ~ 53.6
D (Hz) 58 58
E (Hz) 74 42
F (seconds) 60 90
G (seconds) 120 60
H (seconds) 650 590
J (seconds) 80 40
K (pulse) 320 400
L (pulse) 300 250
M (pulse) 300 300
N (pulse) 320 400
P (pulse) 160 50
Q (pulse) 160 0
18 class 24/36 class
A 60°C (140°F) 38.5°C (101.3°F)
B 59°C (138.2°F) 37.5°C (99.5°F)
C 56°C (132.8°F) 34.5°C (94.1°F)
A
B
C
Highest indoor
heat exchanger
temperature
among
operating rooms
Reset zone
Dropping zone
Keep
zone
(R14587)