SMC Networks HRSH090 Series User manual

HRX-OM-R026-P
Operation Manual
Installation･Operation
Original Instructions
Thermo chiller
HRSH090 Series
HRSH090-A ※ -20- ※
HRSH090-A ※ -40- ※
HRSH090-W ※ -20- ※
HRSH090-W ※ -40- ※
HRSH090-A ※ -20- ※ -S
HRSH090-W ※ -20- ※ -S
Keep this manual available whenever necessary
© 2020 SMC CORPORATIONAll Rights Reserved

To the users
Thank you for purchasing SMC’s Thermo chiller (hereinafter referred to as the “product”).
For safety and long life of the product, be sure to read this operation manual (hereinafter referred to as the
“manual”) and clearly understand the contents.
Be sure to read and follow all instructions noted with “Warning” or “Caution” in this manual.
This manual is intended to explain the installation and operation of the product. Only people who
understand the basic operation of the product through this manual or who perform installation and
operation of or have basic knowledge about industrial machines are allowed to work on the product.
This manual and other documents attached to the product do not constitute a contract, and will not
affect any existing agreements or commitments.
It is strictly prohibited to copy this manual entirely or partially for the use by a third party without prior
permission from SMC.
Note: This manual is subject to possible change without prior notice.

HRX-OM-R026
Contents
HRSH Series
Contents
Chapter 1 Safety Instructions...........................................................1-1
1.1 Before using the product........................................................................................ 1-1
1.2 Reading the Manual ................................................................................................ 1-1
1.3 Hazards.................................................................................................................... 1-2
1.3.1 Level of hazards.................................................................................................................. 1-2
1.3.2 Definition of “Serious injury” and “Minor injury”................................................................... 1-2
1.4 Product Label .......................................................................................................... 1-3
1.5 Safety Measures...................................................................................................... 1-4
1.5.1 Safety Instructions for Use.................................................................................................. 1-4
1.5.2 Personal Protective Equipment........................................................................................... 1-4
1.6 Emergency Measures.............................................................................................. 1-5
1.7 Waste disposal ........................................................................................................ 1-5
1.7.1 Disposal of refrigerant and compressor oil.......................................................................... 1-5
1.7.2 Disposal of product.............................................................................................................. 1-5
1.8 Material Safety Data Sheet (MSDS)........................................................................ 1-6
Chapter 2 Name and Function of Parts............................................2-1
2.1 Model number of product ....................................................................................... 2-1
2.2 Name and Function of Parts................................................................................... 2-2
2.2.1 HRSH090-A-20/40-(In case of air cooled type)............................................................... 2-2
2.2.2 HRSH090-W-20/40-(In case of water cooled type)......................................................... 2-3
2.3 Function of Parts..................................................................................................... 2-4
2.4 Operation display panel.......................................................................................... 2-5
Chapter 3 Transport and Setting Up.................................................3-1
3.1 Transport.................................................................................................................. 3-1
3.1.1 Moving by forklift ................................................................................................................. 3-2
3.1.2 Moving by casters ............................................................................................................... 3-3
3.2 Installation............................................................................................................... 3-4
3.2.1 Environment........................................................................................................................ 3-4
3.2.2 Location............................................................................................................................... 3-6
3.2.3 Installation and Maintenance Space................................................................................... 3-7
3.3 Installation............................................................................................................... 3-8
3.3.1 Installation ........................................................................................................................... 3-8
3.3.2 Electrical wiring ..................................................................................................................3-11
3.3.3 Preparation and wiring of power supply cable .................................................................. 3-12
3.3.4 Contact input/output communicatin wiring ........................................................................ 3-17
3.3.5 Wiring of Run/stop signal input･Remote signal input........................................................ 3-17
3.3.6 Wiring of external switch signal input................................................................................ 3-20
3.3.7 Wiring of operation signal output and alarm signal output................................................ 3-23

HRX-OM-R026
Contents
HRSH Series
3.3.8 RS-485 Communication wiring..........................................................................................3-24
3.3.9 RS-232C Communication wiring .......................................................................................3-25
3.4 Piping......................................................................................................................3-26
3.5 Fill of circulating fluid............................................................................................3-29
3.6 Option J Piping of【Automatic fluid filling】.......................................................3-31
Chapter 4 Starting the Product......................................................... 4-1
4.1 Before Starting.........................................................................................................4-1
4.2 Preparation for Start................................................................................................4-2
4.2.1 Power supply .......................................................................................................................4-2
4.2.2 Setting of circulating fluid temperature................................................................................4-3
4.2.3 Setting of pump operation mode .........................................................................................4-3
4.3 Preparation of circulating fluid ...............................................................................4-4
4.4 Starting and Stopping..............................................................................................4-7
4.4.1 Starting the product .............................................................................................................4-7
4.4.2 Stopping the product............................................................................................................4-8
4.5 Check items after starting.......................................................................................4-9
4.6 Adjustment of Circulating Fluid flow rate ..............................................................4-9
Chapter 5 Display and setting of various functions ....................... 5-1
5.1 List of function.........................................................................................................5-1
5.2 Function....................................................................................................................5-2
5.2.1 Key operations.....................................................................................................................5-2
5.2.2 List of parameters................................................................................................................5-4
5.3 Main screen..............................................................................................................5-7
5.3.1 Main screen .........................................................................................................................5-7
5.3.2 Display on the main screen .................................................................................................5-7
5.4 Alarm display menu.................................................................................................5-8
5.4.1 Alarm display menu .............................................................................................................5-8
5.4.2 Content of display of alarm display menu............................................................................5-8
5.5 Inspection monitor menu ........................................................................................5-9
5.5.1 Inspection monitor menu .....................................................................................................5-9
5.5.2 Checking of the Inspection monitor menu...........................................................................5-9
5.6 Key-lock..................................................................................................................5-14
5.6.1 Key-lock.............................................................................................................................5-14
5.6.2 Key-lock setting / checking................................................................................................5-15
5.7 Run timer, stop timer function ..............................................................................5-16
5.7.1 Run timer and stop timer function......................................................................................5-16
5.7.2 Setting and checking of Run timer and stop timer function...............................................5-18
5.8 Ready completion (TEMP READY) signal ............................................................5-20
5.8.1 Ready completion (TEMP READY) signal.........................................................................5-20
5.8.2 Ready completion (TEMP READY) signal setting / checking............................................5-21

HRX-OM-R026
Contents
HRSH Series
5.9 Offset function....................................................................................................... 5-23
5.9.1Offset function ................................................................................................................... 5-23
5.9.2 Offset function setting and checking ................................................................................. 5-25
5.10 Function to recover from power failure............................................................... 5-27
5.10.1 Function to recover from power failure.............................................................................. 5-27
5.10.2 Function to recover from power failure setting and checking........................................... 5-28
5.11 Anti-freezing function ........................................................................................... 5-29
5.11.1 Anti-freezing function......................................................................................................... 5-29
5.11.2 Anti-freezing function setting and checking....................................................................... 5-30
5.12 Key click sound setting ........................................................................................ 5-31
5.12.1 Key click sound setting...................................................................................................... 5-31
5.12.2 Key click sound setting and checking ............................................................................... 5-31
5.13 Temperature unit switching.................................................................................. 5-32
5.13.1 Temperature unit switching................................................................................................ 5-32
5.13.2 Temperature unit switching setting and checking............................................................. 5-32
5.14 Pressure unit switching........................................................................................ 5-33
5.14.1 Pressure unit switching ..................................................................................................... 5-33
5.14.2 Pressure unit switching setting and checking .................................................................. 5-33
5.15 Data reset function................................................................................................ 5-34
5.15.1 Data reset function............................................................................................................ 5-34
5.15.2 Method of resetting data reset function............................................................................. 5-34
5.16 Accumulated time reset function......................................................................... 5-35
5.16.1 Accumulated time reset function....................................................................................... 5-35
5.16.2 Method of resetting accumulated time reset function ....................................................... 5-35
5.17 Pump operation mode function............................................................................ 5-39
5.17.1 Pump operation mode....................................................................................................... 5-39
5.17.2 How to check the pump operation mode and value setting .............................................. 5-39
5.18 Warming up function............................................................................................. 5-42
5.18.1 Warming up function.......................................................................................................... 5-42
5.18.2 Warming up function setting and checking ....................................................................... 5-43
5.19 Alarm buzzer sound setting.................................................................................. 5-45
5.19.1 Alarm buzzer sound setting............................................................................................... 5-45
5.19.2 Alarm buzzer sound setting and checking........................................................................ 5-45
5.20 Alarm customizing function ................................................................................. 5-46
5.20.1 Alarm customizing function ............................................................................................... 5-46
5.20.2 Alarm customize function setting and checking................................................................ 5-50
5.20.3 Setting of temperature alarm monitoring method and alarm generation timing................ 5-62
5.21 Communication function ...................................................................................... 5-69
5.21.1 Communication function.................................................................................................... 5-69
5.21.2 Communication function setting and checking.................................................................. 5-69

HRX-OM-R026
Contents
HRSH Series
Chapter 6 Option............................................................................... 6-1
6.1 Option M [DI water (Pure water) piping] .................................................................6-1
6.1.1 Option M [DI water (Pure water) piping]..............................................................................6-1
6.2 Option J [Automatic fluid filling].............................................................................6-2
6.2.1 Option J [Automatic fluid filling] ...........................................................................................6-2
Chapter 7 Alarm indication and trouble shooting........................... 7-1
7.1 Alarm Display...........................................................................................................7-1
7.2 Alarm buzzer stop....................................................................................................7-3
7.3 Troubleshooting.......................................................................................................7-4
7.3.1 Alarm contents, causes and remodies ................................................................................7-4
7.3.2 How to release the fan breaker trip .....................................................................................7-8
7.3.3 How to release the pump thermal trip................................................................................7-10
7.4 Other Errors ...........................................................................................................7-12
Chapter 8 Control, Inspection and Cleaning................................... 8-1
8.1 Control of Circulating Fluid, facility water Quality.................................................8-1
8.2 Inspection and Cleaning..........................................................................................8-2
8.2.1 Daily check ..........................................................................................................................8-2
8.2.2 Monthly check......................................................................................................................8-3
8.2.3 Inspection every 3 months...................................................................................................8-4
8.2.4 Inspection every 6 months...................................................................................................8-5
8.2.5 Inspection for winter season................................................................................................8-6
8.3 Consumables ...........................................................................................................8-6
8.4 Stop for a Long Time ...............................................................................................8-7
8.4.1 Drain of the circulating fluid .................................................................................................8-7
8.4.2 Drain of the facility water .....................................................................................................8-9
Chapter 9 Documents ....................................................................... 9-1
9.1 Specifications ..........................................................................................................9-1
9.1.1 HRSH090-A-20-...............................................................................................................9-1
9.1.2 HRSH090-A-40-...............................................................................................................9-2
9.1.3 HRSH090-W-20-..............................................................................................................9-3
9.1.4 HRSH090-W-40-..............................................................................................................9-4
9.1.5 Refrigerant with GWP reference..........................................................................................9-6
9.1.6 Communication specification...............................................................................................9-7
9.2 Outline dimensions..................................................................................................9-8
9.2.1 HRSH090-A-20/40-..........................................................................................................9-8
9.2.2 HRSH090-W-20/40-.........................................................................................................9-9
9.3 Flow diagram..........................................................................................................9-10
9.3.1 HRSH090-A-20/40-........................................................................................................9-10
9.3.2 HRSH090-W-20/40-.......................................................................................................9-10
9.4 Cooling capacity....................................................................................................9-11

HRX-OM-R026
Contents
HRSH Series
9.4.1 HRSH090-A-20-..............................................................................................................9-11
9.4.2 HRSH090-A-40-..............................................................................................................9-11
9.4.3 HRSH090-W-20-、HRSH090-W-40-.......................................................................... 9-12
Pump capacity................................................................................................................. 9-13
9.4.4 HRSH090-A-20/40-、HRSH090-W-20/40-................................................................. 9-13
9.5 Types of hazard labels .......................................................................................... 9-14
9.5.1 Locations of Hazard Labels............................................................................................... 9-15
9.6 Compliance standard............................................................................................ 9-16
9.7 Sample DoC........................................................................................................... 9-17
9.8 Daily Check Sheet ................................................................................................. 9-18
Chapter 10 Product Warranty ...........................................................10-1

HRX-OM-R026
Contents
HRSH Series

HRX-OM-R026
Chapter 1 Safety Instructions
HRSH Series 1.1Before using the product
1-1
Chapter 1 Safety Instructions
1.1 Before using the product
This chapter is intended to specifically describe the safety related issues
for handling the product. Read this before handling the product.
The product is a cooling device using circulating fluid. SMC does not take
any responsibility for any problems that may arise from using the product
for other purposes.
This product is not designed for a clean room. It generates dust from the
internal components such as pump and fan motor.
The product is operated at high voltage and contains components which
become hot and rotate. If a component needs to be replaced or repaired,
contact a specialized vendor for parts and service.
All personnel who work with or around the product should read and
understand the safety related information in this manual carefully before
starting work.
The safety manager is responsible for strictly observing safety standards,
but responsibility in respect to safety standards during daily work resides
with each individual operator and maintainance personnel.
Do not use the materials that rust or corrode for the circulating fluid and
facility water circuits. Using the materials that tend to rust or corrode may
cause clogs or/and leakages of the circulating fluid and facility water
circuits. In case of using these kind of materials, consider and carry out
some prevention against the rusting or corrosion by the customer side.
This manual must be kept available to operators whenever necessary.
1.2 Reading the Manual
This manual contains symbols to help identify important actions when
installing, operating or maintaining the product.
Before using the product be sure to read and understand all the
important actions highlighted in this manual.
This sign indicates actions that must be followed.
This sign indicates prohibited actions.

HRX-OM-R026
Chapter 1 Safety Instructions
1.3 Hazards HRSH Series
1-2
1.3 Hazards
1.3.1 Level of hazards
The instructions given in this manual aim to assure the safe and correct
operation of the product, and to prevent injury of operators or damage to the
product. These instructions are grouped into three categories, Danger,
Warning and Caution, which indicate the level of hazard, damage and also
the degree of emergency. All safety critical information should be carefully
observed at all times.
“DANGER”, “WARNING” and “CAUTION” signs are in order according to
severity (DANGER> WARNING> CAUTION).
1.3.2 Definition of “Serious injury” and “Minor injury”
“Serious injury”
This term describes injuries that result in after effects including loss of
eyesight, burns, electrical shock, fracture, poisoning, etc. and requires
long-term treatment or hospitalization.
“Minor injury”
This term describes injuries that do not need long-term treatment or
hospitalization. (Others excluded from serious injury.)
“WARNING”: Hazard that MAY cause serious personal injury or death during
operation.
“DANGER”: Hazard that WILL cause serious personal injury or death during
operation.
“CAUTION”: Hazard that MAY cause minor personal injury.
“CAUTION without exclamation symbol”: Hazard that MAY cause damage or failure
of the product, facility, devices, ect.

HRX-OM-R026
Chapter 1 Safety Instructions
HRSH Series 1.4Product Label
1-3
1.4 Product Label
Information about the product, such as Serial No. and Model No. can be
found on the model label. This information is needed when contacting an
SMC sales distributor.
How to see the serial number Ry001 (November 2013)
R
y
001
Year
Symbol
Remarks
Month
Symbol
Remarks
Serial
no.
2013
R
Repeated
from
A to Z in
alphabetical
order
1
O
Repeated from
O to Z in alphabetical
order, with O for
January and Z for
December
---
2014
S
2
P
2015
T
3
Q
↓
↓
↓
↓
Fig. 1-1 Position of product label
Model number
Serial number
Kind and amount
of refrigerant
* (An example of "HRSH090-A-20" model.)
"3~" stands for "3 inter phase".
(IEC 60417-5032-1)
* In case of option S, the bellow label put near
the product label. CE mark is printed in the
product label.

HRX-OM-R026
Chapter 1 Safety Instructions
1.5 Safety Measures HRSH Series
1-4
1.5 Safety Measures
1.5.1 Safety Instructions for Use
Read and understand this manual carefully before using the product.
Before starting maintenance of the product, be sure to lock out and tag out the
breaker of the user's power supply.
If operating the product during maintenance, be sure to inform all workers nearby.
Use only the correct tools and procedure when installing or maintaning the product.
Use personal protective equipment where specified (“1.5.2Personal Protective
Equipment”)
Check all parts and screws are fitted correctly and securely after maintenance.
Avoid working in a drunken or sick condition, which might cause an accident.
Do not remove the panels except for the cases permitted in this manual.
Do not remove the panels during operation.
1.5.2 Personal Protective Equipment
This manual specifies personal protective equipment for each work.
Transport, Installing and Uninstalling
Handling of circulating fluid
Operation
Always use safety shoes and gloves when operating the product.
Always use safety shoes, gloves, mask, apron and eye protection
when handling the circulating fluid.
Always use safety shoes, gloves and head protection when
transporting, installing or uninstalling the product.
Follow the instructions below when using the product. Failure to
follow the instructions may cause an accident and injury.

HRX-OM-R026
Chapter 1 Safety Instructions
HRSH Series 1.6Emergency Measures
1-5
1.6 Emergency Measures
When emergency conditions such as natural disaster, fire and earthquake,
or injury occurs, shut off the breaker of the user’s power supply that supplies
the power to the product.
1.7 Waste disposal
1.7.1 Disposal of refrigerant and compressor oil
The product uses hydro fluorocarbon type refrigerant (HFC) and
compressor oil. Comply with the laws and regulations in each country for the
disposal of refrigerant and compressor oil. The type and quantity of
refrigerant is described on the 1.4 Product Label.
If these fluids need to be recovered, read and understand the instructions
below carefully. If there is any unclear point, contact an SMC's sales
distributor.
1.7.2 Disposal of product
The disposal of the product must be handled by a specialized industrial
waste disposal agency in accordance with local laws and regulations.
Only maintenance personnel or qualified people are allowed to
open the cover panels of the product.
Do not mix the compressor oil with domestic waste for disposal.
Also, the disposal of the waste must only be conducted by specific
facilities that are permitted for that purpose.
Even when the power supply swich is turned off, some of the internal
circuits are still energized, unless the user’s power supply is shut off.
Be sure to shut off the breaker of the user’s power supply.
Comply with the laws and regulations in each country for the
disposal of refrigerant and compressor oil.
The release of refrigerant in to the atmosphere is banned by law.
Recover it with specific equipment and dispose of it correctly.
Only people who have sufficient knowledge and experience about
the product and its accessories are allowed to recover the
refrigerant and compressor oil.

HRX-OM-R026
Chapter 1 Safety Instructions
1.8 Material Safety Data Sheet (MSDS) HRSH Series
1-6
1.8 Material Safety Data Sheet (MSDS)
If the material safety data sheets of chemicals used in this product are
needed, contact an SMC's sales distributor.
Any chemicals used by the user must be accompanied by an MSDS.

HRX-OM-R026
Chapter 2 Name and Function of Parts
HRSH Series 2.1Model number of product
2-1
Chapter 2 Name and Function of Parts
2.1 Model number of product
The product can be ordered with the model number configured as shown
below.
The product needs to be handled in different ways depending on the part
number. Refer to “1.4 Product Label”and check the part number of the
product.
HRSH090
①Cooling capacity
②Cooling method
③Piping thread type ④Power supply
- - -
⑤Option
A Air-cooled refrigeration
None
Nill
Earth leakage breakerB1
Nil Rc
F G (Rc-G thread adapter set is included)
NNPT (Rc-NPT thread adapter set is included)
A20
090 9.5kW
20 AC200V/200-230V(50/60Hz)
3phase
40 AC380-415V(50/60Hz) 3phase
AC460-480V(60Hz) 3phase
1: In case of power supply '40' and option S,
this is standard.
2: Power supply '20' only.
*3: Unit : MPa/℃degree Celsius)
W Water-cooled refrigeration
DI water (pure water)
piping
M
Automatic water-fillJ
CE / ULS
Fixed SI unitW
Fig. 2-1 Model number of product

HRX-OM-R026
Chapter 2 Name and Function of Parts
2.2 Name and Function of Parts HRSH Series
2-2
2.2 Name and Function of Parts
2.2.1 HRSH090-A-20/40-(In case of air cooled type)
Fig. 2-2 Names of each part
Table 2-1 Accessory list
1
Alarm cord list label
2pcs.
(English 1pc. /Japanese 1pc.)
2
Operation manual
2pcs.
(English 1pc./Japanese 1pc.)
3
Y strainer (40meshes) 25A
1pc.
4
Barrel nipple 25A
1pc.
5
Anchor brackets
※The anchor bolts are not attached
2pc.
6
For HRSH090-AF-
G thread adapter set (HRS-EP019)
1set
For HRSH090-AN-
NPT thread adapter set (HRS-EP018)
1set
For HRSH090-AF-J
G thread adapter set (HRS-EP021)
1set
For HRSH090-AN-J
NPT thread adapter set (HRS-EP020)
1set

HRX-OM-R026
Chapter 2 Name and Function of Parts
HRSH Series 2.2Name and Function of Parts
2-3
2.2.2 HRSH090-W-20/40-(In case of water cooled type)
Fig. 2-3 Names of each part
Table 2-2 Accessory list
1
Alarm cord list label
2pcs.
(English 1pc. /Japanese 1pc.)
2
Operation manual
2pcs.
(English 1pc./Japanese 1pc.)
3
Y strainer (40meshes) 25A
1pc.
4
Barrel nipple 25A
1pc.
5
Anchor brackets
※The anchor bolts are not attached
2pc.
6
For HRSH090-WF-
G thread adapter set (HRS-EP023)
1set
For HRSH090-WN-
NPT thread adapter set (HRS-EP022)
1set
For HRSH090-WF-J
G thread adapter set (HRS-EP025)
1set
For HRSH090-WN-J
NPT thread adapter set (HRS-EP024)
1set

HRX-OM-R026
Chapter 2 Name and Function of Parts
2.3 Function of Parts HRSH Series
2-4
2.3 Function of Parts
The function of parts is as follows.
Table 2-3 Function of parts
Name
Function
Operation display panel
Runs and stops the product and performs settings such as the circulating
fluid temperature.
For details, refer to ’’2.4 Operation display panel’’.
Fluid level gauge
Indicates the circulating fluid level of the tank. For details, refer to “3.5Fill of
circulating fluid”.
Model label
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.
Tank drain 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 0.5MPa.
Overflow port
Be sure to connect piping from this port to sump pit to discharge the exsess
circulating fluid that caused by fluid level rising.
Dust-proof filter
Inserted to prevent that the dust and contamination are clung on the air
cooled condensers directly. For details, refer to “8.2.2Monthly check”.
Power cable entry
Insert the power cable to the power cable entry and connect it to the power
terminal. For details, refer to “3.3.2Electrical wiring”and “3.3.3Preparation
and wiring of power supply cable”.
Power terminal
Signal cable entry
Insert the signal cable to the signal cable entry and connect it to the signal
connectors. For details, refer to “3.3.4Contact input/output communicatin
wiring”, “3.3.6Wiring of Run/stop signal input･Remote signal input”,
“3.3.8Wiring of external switch signal input”, “3.3.9Wiring of operation signal
output and alarm signal output”, “3.3.8RS-485 Communication wiring” ,
“3.3.9RS-232C Communication wiring or the Operation manual
Communication function.
Signal connecors
Earth leakage breaker
(When option B [Earth leakage
breaker]I is selected.
Shuts off the power supply to the internal eqipment of product.
(Parts energized remained in the product)
Refer to “3.3.2Electrical wiring”for the earth leakage breaker.
Facility water inlet port
Supply facility water to inlet port.
Facility water outlet port
Facility water out from outlet port and return to customer’s facility water
system.
Automatic water-fill port
(When automatic fluid filling
[Option J] is selected.)
Piping to the automatic fluid filling port enables easy supply of the circulating
fluid through the built-in solenoid valve.The supply pressure should be in a
range of 0.2 to 0.5MPa.
Overflow port
(When automatic fluid filling
[Option J] is selected.)
This is necessary when automatic fluid filling function.Discharge excess
circulating fluid when the fluid level in the tank rises.

HRX-OM-R026
Chapter 2 Name and Function of Parts
HRSH Series 2.4Operation display panel
2-5
2.4 Operation display panel
The operation panel on the front of the product controls the basic operation
of the product.
Fig. 2-4 Operation display panel
Table 2-4 Operation display panel
No
Description
Function
Reference
page
①
Digital display
(7 segment,
4 digits)
PV
Displays the temperature and pressure of the circulating
fluid and alarm codes.
5.3
SV
Displays the set temperature of the circulating fluid and
the set values of other menus.
②
[oC oF] lamp
Displays the unit of displaytemperature (oCor oF).
5.13
③
[MPa PSI] lamp
Displays the unit of display pressure (MPa or PSI).
5.14
④
[REMOTE] lamp
Lights up during remote operation by communication.
5.21
⑤
[RUN] lamp
・Lights up when the product is started and in operation. Goes off when the
product is stopped.
・Blinks during stand-by for stop (Interval 0.5 seconds).
・Blinks during independent operation of the pump (Interval 0.3
seconds).
・Blinks during anti-freezing function (At standby: Interval 2 seconds, At
operation: Interval 0.3 seconds).
・Blinks during warming up function (At standby: lit on for 0.5 seconds
and off for 3 seconds, At operation: interval 0.3 seconds.)
4.4
⑥
[ALARM] lamp
Flashes with buzzer when alarm occurs (Interval 0.3 seconds).
5.4
⑦
[ ] lamp
Lights up when the fluid level lowers.
4.3
⑧
[ ] lamp
Lights upwhile the run timer or stop timer function is working.
5.7
⑨
[ ] lamp
Lights up when the product is in automatic operation.
5.10
⑩
[RUN/STOP] key
Makes the product start or stop.
4.4
⑪
[MENU] key
Shifts the main menu (display screen of temperature) the other
menu (entry of set values and monitor screen).
5.2
⑫
[SEL] key
Changes the item in menu and enters the set value.
⑬
[▼] key
Decreases the set value.
-
⑭
[▲] key
Increases the set value.
⑮
[PUMP] key
When the [MENU] and [RUN/STOP] keys are held down
simultaneously, the pump starts running independently.
4.3
⑯
[RESET] key
Press the [▼] and [▲] keys simultaneously. This will stop the alarm
buzzer and reset the [ALARM] lamp.
7.3
Keep the [▼] and [▲] keys pressed down simultaneously for 3
seconds to resetAL46 andAL48.(After resettingAL48,
WAIT( )will be displayed and the product cannot run for 40
seconds. Restart 40 seconds later after resetting.

HRX-OM-R026
Chapter 2 Name and Function of Parts
2.4 Operation display panel HRSH Series
2-6