HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
3.3 Troubleshooting
HRS Series
3-64
AL13: High compressor discharge pressure [For water-cooled type]
<Detection method> This alarm goes off when the pressure detected by the refrigerant circuit pressure
sensor (for high pressure) is 2.6 MPa or more.
Is the facility water
temperature higher
than 40
o
C?
3.
Is the flow rate for the facility
water correct?
1.
Does the facility
water system meet the
required flow rate
specifications?
2.
Is the facility water
contaminated?
This system cannot be used.
Y
Y
Y
N
N
N
Y
This system cannot be used.
N
4.
Is the Water-cooled
condenser contaminated?
5.
Is the External load out of
specification range?
Y
This system cannot be used.
Supply clean facility water.
High compressor discharge pressure
[For water-cooled type]
AL13
N
N
Y
Is the piping
connection for the facility water
inlet/outlet correct?
N
Y
Check for the correct piping
connections.
6.
Is flow rate of the
circulating fluid less
than 5 L/min?
7.
Check the pump
performance.
Y
N
Connect a by-pass piping.
Normal
Error
8.
Check the pressure
sensor in the refrigerant
circuit.
9.
After stopping the power
supply, does the same alarm go off
again when the chiller is
restarted?
Please contact SMC or a
distributor.
Electronic expansion valve,
which is a part of the refrigerant
circuit, needs to be replaced.
Only a specialized operator is
allowed to handle the refrigerant
circuit.
See document No. HRX-MM-
Q016 for replacement.
N
Y
To the next page
Are other alarms
are being generated
simultaneously?
Y
Check the troubleshooting
that is corresponding to the
alarm number that is being
generated.
N
Normal
Error
Water cooled condenser, which is
a part of the refrigerant circuit,
needs to be replaced. Only a
specialized operator is allowed to
handle the refrigerant circuit.
See document No. HRX-MM-
Q029 for replacement.
Replace the pump.
See section "4.5.3
Replacement of pump (For
standard pump)", and section
"4.5.4 Replacement of high
pressure pump".
Содержание HRS012-A*-10-*
Страница 16: ...HRX MM N007 Chapter 2 Name of Parts 2 2 Component Parts HRS Series 2 4...
Страница 136: ...HRX MM N007 Chapter 3 Alarm Indication and Troubleshooting 3 3 Troubleshooting HRS Series 3 120...
Страница 200: ...HRX MM N007 Chapter 4 Service Procedure 4 5 Replacement Procedure HRS Series 4 64...
Страница 220: ...HRX MM N007 Chapter 6 Documents 6 4 Flow chart HRS Series 6 8...