Ex.) MT01 “Pump maintenance notice”
Display of 23 types of alarm codes (For details
a
p.
16
)
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
Set range
Circulating fluid discharge temperature rise
10 to 45
°
C
Circulating fluid discharge temperature drop
5 to 35
°
C
Circulating fluid discharge pressure rise
0.05 to 0.5 MPa
Circulating fluid flow rate reduction
3.0 to 15.0 LPM
Displayed item
Compressor inlet temperature
Ambient temperature
Pressure of higher pressure refrigerant circuit
Pressure of lower pressure refrigerant circuit
Time for periodical checks for the pumps, fan motor, dustproof filter, etc. will generate a maintenance code.
Helpful for facility maintenance
Temperatures of the thermo-chiller, pressure, etc. can be displayed.
Ex.) AL02 “Low level in tank”
Alarm code
Lights up
Lights up
LOW
a
LEVEL
a
WRN (Alternately displayed)
Maintenance notification number: MT01
“X” is displayed if a maintenance notification has occurred.
To menu screen
REF
a
TEMP
(Alternately displayed)
Compressor
inlet temperature
Self-diagnosis function and alarm code display
Menu for maintenance schedule
Displaying screen for operating conditions
∗
This is just an example diagram.
Current model
Circulating fluid
Compressor
Cool fluid
from refrigerant
Heater
HRR
Circulating fluid
Compressor
Cool fluid
from refrigerant
This is just an example diagram.
Current model
fluid
Circulating flu
Comp
mpressor
d
Cool fluid
rigerant
from refr
Heater
RR
fluid
C
Cir
Cir
cu
cul
ul
at
ati
ti
n
ng
ng
f
flu
uid
C
C
Coo
o
l
l f
f
lu
efrigerant
fr
ro
o
m
m
re
HR
C
Co
Com
m
pre
re
pr
sso
sso
s
r
Hot discharged gas of the refrigerant
is used instead of a heater.
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.
Thermo-chiller/Rack Mount Type
Air-cooled Refrigeration
Water-cooled Refrigeration
HRR
Series
4
Содержание HRR Series
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