SMC Networks HRS012-A-10 Series - Page 66

HRX-MM-N007
Chapter 3 Alarm Indication and Troubleshooting
3.3 Troubleshooting HRS Series
3-50
"t3: Suction temperature of the compressor" ˂ "t2: Circulating fluid return temperature" -5
o
C
e.g. (Normal) t2: 21.5, t3: 23.8, (Abnormal) t2: 21.5, t3: 15.5
7. After stopping power supply, check for the same alarm goes off again when the
chiller is re-started.
After stopping power supply (by tuning off the power supply switch of the Thermo-Chiller), check if
the same alarm goes off again when the Thermo-Chiller is restarted.