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Manufacturer reserves the right to change specifications or designs without notice.
10.2019
ESI (Ultra) Service Manual
13/68
LP<C
LP≥D
LP≥D
LP<B
Upper limit compressor
After 15 sec.
LP<B
LP<A
Low pressure abnormal standby
Upper limit compressor step = Current step
Normal operation
(Upper limit compressor step = Max. step)
2.2.3.2
Low pressure protection control in cooling mode
Low pressure (LP) protection control in cooling is used to protect compressor against the transient
decrease of low pressure.
step: Decrease 2steps
Current step maintained
and
LP≥D
Restart permission=ON
Symbol
EODA18H-2436/4860
A
24.5psig [0.17MPa]
B
43.5psig [0.30MPa]
C
61.0psig [0.42MPa]
D
72.5psig [0.50MPa]
Compressor restarts