DOC1001322
Chapter 2 Name and Function of Parts
2.3 Function of Parts
HRS Series
2.3 Function of Parts
The function of parts is as follows.
Table 2.3-1 Function of parts
Operational settings for the product. Example: Run and stop product.
Performance setting
Indicates the circulating fluid level of the tank. Confirm the level is
between HIGH and LOW. For details, refer to “3.5 Circulating Fluid
Supply”.
Shows the product information, such as model number and serial
number. For details, refer to ‘’1.4 Product Label’.
Circulating fluid
outlet port
The circulating fluid flows out from the outlet port.
Circulating fluid
return port
The circulating fluid returns to the return port.
This drain port to drain the circulating fluid out of the tank.
Automatic fluid fill port
Piping to the automatic fluid filling port enables easy supply of the
circulating fluid through the ball tap in the reservoir. The supply pressure
should be within the range of 0.2 to 0.5 MPa.
Be sure to connect piping from this port to sump pit to discharge the
excess circulating fluid that is caused by fluid level rising.
Inserted to prevent dust and contamination clinging to the air cooled
condensers directly.Clean the filter periodically.
For details, refer to “7.2.2 Monthly check”.
Insert the power cable to the power cable entry and connect it
to the power terminal. For details, refer to “3.3.2 Electrical wiring”
and “3.3.3 Preparation and wiring of power supply cable”.
Insert the signal cable to the signal cable entry and connect it to
the signal connectors. For details, refer to “3.3.5 Wiring of the Run/Stop
signal input”, “3.3.6 Wiring of the contact output signal”, “3.3.7
Wiring of analog output signal”,“3.3.8 RS-485 communication wiring”,
“3.3.9 RS-232C communication wiring” or the Operation
Manual Communication Function.
Earth leakage breaker
/ Breaker handle
Shuts off the power supply to the internal equipment of the product.
(Parts energized remained in the product.)
Refer to “3.3.2 Electrical wiring” for the earth leakage breaker.
Fluid fill port
(When option K “Fluid
fill port” is selected.)
Users who will not use the automatic fluid fill function can fill the circulating
fluid without removing the panel.