HRX-OM-M090 
Chapter 5   Display and setting of various functions 
 
HRS Series  4.6 Adjustment of Circulating Fluid 
 
 
5-1
Chapter 5    Display and setting of 
various functions 
 
 
 
 
 
The product can have the displays and settings shown in table 5-1. 
 
Table 5-1  List of function 
NO  Function  Outline 
Reference 
page 
1 Main display 
Displays the current temperature of the circulating fluid, discharge pressure of 
the circulating fluidhange the circulating fluid temperature. 
5.2 
2 
Alarm display 
menu 
Indicates alarm number when an alarm occurs. 
5.3 
3 
Inspection 
monitor menu 
Product temperature, pressure and accumulated operating time can be 
checked as daily inspection. Use these for daily inspection. 
5.4 
4 Key-lock 
Keys can be locked so that set values cannot be changed by operator error. 
5.5 
5 
Timer for 
operation start 
/stop 
Timer is used to set the operation start/stop. 
5.6 
6 
Signal for the 
completion of 
preparation 
A signal is output when the circulating fluid temperature reaches the set 
temperature, when using contact input/output and serial communication. 
5.7 
7 Offset function 
Use this function when there is a temperature offset between the discharge 
temperature of the thermo-chiller and the customer’s device. 
5.8 
8 
Reset after 
power failure 
Start operation automatically after the power supply is turned on. 
5.9 
9 
Anti-freezing 
function 
Circulating fluid is protected from freezing during winter time or night time.     
Set beforehand if there is a risk of freezing.   
5.10 
10 
Key click sound 
setting 
Operation panel key sound can be set on/off. 
5.11 
11 
Changing temp. 
unit 
Temperature unit can be changed. 
Centigrade(
o
C) 
⇔
 Fahrenheit(
o
F) 
5.12 
12 
Changing 
pressure unit 
Pressure unit can be changed. 
MPa
⇔
PSI 
5.13 
13 
Setting of alarm 
buzzer 
Alarm sound can be set to on/off. 
5.14 
14 
Alarm 
customizing 
Operation during alarm condition and threshold values can be changed 
depending on the alarm type. 
5.15 
15 Data reset 
Functions can be reset to the default settings (settings when shipped from the 
factory). 
5.16 
16 
Accumulation 
time reset 
Reset function when the pump, the fan, or the compressor is replaced. 
Accumulated time is reset. 
5.17 
17 Communication 
This function is used for contact input/output or serial communication. 
5.18 
18 
Option
 J 
[Automatic 
water-fill port ] 
This function is available for customer who selected option [Automatic fluid 
filling] (Refer to P2-1 Name and Function of Parts) 
5.19 
19 
Option  
[Drain pan set] 
This function is available for customer who purchased drain pan set (part no.: 
HRS-WL001). 
5.20 
20 
Option  
[Electric 
resistivity 
sensor set] 
This function is available for customer who purchased the electric resistivity 
sensor set (part no.: HRS-Dl001). 
5.21 
Read and understand this manual carefully before changing the 
settings.