SMC Networks HRR Series Manual page 5

Thermo-chiller/Rack Mount Type
Self-diagnosis function and alarm code display
Display of 23 types of alarm codes (For details a
Operation is monitored all the time by the integrated sensor. The self-diagnosis result is displayed by the applicable
alarm code from 23 types.
Changeable alarm set values
Setting item
Circulating fluid discharge temperature rise
Circulating fluid discharge temperature drop
Circulating fluid discharge pressure rise
Circulating fluid flow rate reduction
Menu for maintenance schedule
Time for periodical checks for the pumps, fan motor, dustproof filter, etc. will generate a maintenance code.
Helpful for facility maintenance
Ex.) MT01 "Pump maintenance notice"
"X" is displayed if a maintenance notification has occurred.
Displaying screen for operating conditions
Temperatures of the thermo-chiller, pressure, etc. can be displayed.
Displayed item
Compressor inlet temperature
Ambient temperature
Pressure of higher pressure refrigerant circuit
Pressure of lower pressure refrigerant circuit
With heating function
Heating method using discharged heat makes a heater unnecessary.
Heating functions are effective to maintain a constant temperature particularly
in the winter when the ambient temperature is low.
Heater Heater
Cool fluid Cool fluid d
from refrigerant from refr rigerant
Comp Compressor mpressor
Circulating flu Circulating fluid fluid
Current model Current model
∗ This is just an example diagram.
This is just an example diagram.
)
16
p.
Set range
10 to 45 °C
5 to 35 °C
0.05 to 0.5 MPa
3.0 to 15.0 LPM
To menu screen
Maintenance notification number: MT01
Hot discharged gas of the refrigerant
is used instead of a heater.
Com Compressor C o C m pr pre re sso sso s r
C ir C Circulating fluid Circu cul ulat ati tin ng n g
HRR HR RR
Air-cooled Refrigeration Water-cooled Refrigeration
Ex.) AL02 "Low level in tank"
Lights up
Lights up
LOW a LEVEL a WRN (Alternately displayed)
Compressor
inlet temperature
REF a TEMP
(Alternately displayed)
C oo C Cool fluid C o l l f f lu uid
from refrigerant fr r o o m m re efrigerant
fluid f lu f
HRR
Series
Alarm code
4