Mitsubishi Heavy Industries ESA30E-25, Technical Manual

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'15 • HM-T-246
() Anomalous stop control
(b) If this anomalous stop happens times within 0 minutes, [E ] is displayed on the remote control and it becomes error
stop mode.
() Release error stop mode
If the discharge pipe temperature becomes below the release value 0
℃
for 0 minutes continuously, restarting operation by
remote control becomes available.
(3)-4 High pressure protection control
() P rotection control
is controlled to suppress the rise in high pressure.
() Anomalous stop control
①
(a) Starting condition
If one of the following conditions is established;
Reduce Hz for every 0 seconds
Retain
Release
High pressure (HP )
.MP a .MP a
Compressor stops
Compressor starts
Discharge pipe temperature (Tho-D)
0
℃ ℃
①
If high pressure is increased to activate high pressure switch H-. (open at MP a/close at MP a)
②
If high pressure is increased and high pressure sensor P SH detects that the high pressure exceeds the set value shown in
(b) Contents of control
①
Stop compressor
②
If this anomalous stop detected by high pressure switch or sensor happens times within 0 minutes, [E 0] is displayed
on the remote control and it becomes error stop mode.
() Anomalous stop control
②
-
ously, compressor is stopped.
Compressor stops
MP a MP a
Compressor starts
High pressure (HP )
Compressor stops
MP a MP a
Compressor starts
High pressure (HP )
Compressor stops
MP a MP a
Compressor starts
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