HRX-OM-W002-A
Chapter 4 Starting the Product
HRR Series 4.2
Starting and Stopping
4.2.2 Operation restart when alarm is generated
This product has two types of operation depending on the alarm being generated.
The restart is different depending on the operation mode.
[ 1 ] When the following alarm occurs, this product stops.
・AL01:Low level in tank
・AL17:flow rate failure
・AL18:High circulating fluid discharge temp
・AL19:High circulating fluid return temp.
・AL21:High circulating fluid discharge pressure
・AL24:Memory abnormal
・AL27:forced a stop
・AL30: refrigerant circuit abnormal
・AL31:sensor abnormal
・AL32: controller abnormal
After resetting the alarm (Refer to 「10. How to Reset Alarms 」) when resuming operations press
and hold the. [RUN/STOP] key for approximately 1 second. (Refer to “Chapter 7 Alarm Notification
and Troubleshooting“)
[ 2 ] When alarms except those shown above are generated the compressor stops, and the
circulating fluid pump continues running for a fixed time (*).
At this time, the "RUN" lamp flashes.
In case of resetting the alarm (Refer to 7.3 "What to do when an alarm
occurs") while the pump is operating, pressing the "RUN / STOP" key once (1 second)
causes the compressor to operate and the operation of the product will resume.
(This operation only occurs when this function is set. For details, refer to 5.3.6 Alarm Setting
Menu. )
Fig 4-3 Restart operation when an alarm occurs
To stop the product when only the pump is running, press and hold the [RUN/STOP] key for
approximately 5 seconds.
(When this operation is performed, an alarm "AL27: forced a stop " occurs.)
▲
▼
ENT
MENU
RUN/
STOP
RESET
℃
MPa
LPM
SEC
ALM
WRN
RUN
RMT
H
After resetting the alarm, press and
hold for approximately 1 second.
▲
▼
SEL
MENU
RUN/
STOP
RESET
℃
MPa
PSI
LPM
GPM
MΩ
SEC
ALM
WRN
RUN
RMT
AT
°F
EXT
H
%
ECO