Note: This manual is subject to possible change without prior notice.
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
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.
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 for indoor use only and not to be used outdoors
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.
HRX-OM-W002-A
Chapter 1 Safety Instructions
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 maintenance
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 on 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.
HRR Series 1.1 Before using the product
HRX-OM-W002-A
1-2
“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, etc.
Chapter 1 Safety Instructions
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, electric 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”.)
1.3 Hazards
HRR Series
1-3
1.4 Product Label
W
R
001
Year
Symbol
Remarks
Month
Symbol
Remarks
Serial
no.
2018
W
Repeat
ed from
A to Zin
alphab
etical
order
4
R
Repeated
from
O to Z in
alphabetical
order, with O
for
January and
Z for
December
-
2019 X 5 S 2020 Y 6
T
↓ ↓ ↓
↓
Model number
Serial number
Type and
quantity of
refrigerant
Information about the product, such as Serial No. and Model No. can be
found on the product label. This information is needed when contacting an
SMC sales distributor.
HRX-OM-W002-A
Chapter 1 Safety Instructions
How to read the serial number W R 001(April 2018)
Fig 1-1 Position of product label
HRR Series 1.4 Product Label
HRX-OM-W002-A
1-4
Follow the instructions below when using the product. Failure to
follow the instructions may cause an accident and injury.
Always use safety shoes, gloves and head protection when
transporting, installing or uninstalling the product.
Always use safety shoes, gloves, mask, apron and eye protection
when handling the circulating fluid.
Always use safety shoes and gloves when operating the product.
Chapter 1 Safety Instructions
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 maintaining
the product.
Use personal protective equipment where specified (“1.5.2 Personal
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.
Do not handle this product by any means other than specified in this
Operation Manual; this can result in damage to the product or fire.
1.5.2 Personal protective equipment
This manual specifies personal protective equipment for each type of work.
Transport, Installing and Uninstalling
Handling of circulating fluid
Operation
1.5 Safety Measures
HRR Series
HRX-OM-W002-A
1-5
OFF
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.
Chapter 1 Safety Instructions
1.6 Emergency Measures
When emergency conditions such as natural disaster, fire and earthquake, or
injury occurs, turn off the power supply switch. After that, be sure to shut off
the breaker of the original power supply (customer's power supply
equipment).
1. Turn off the power supply switch on the front of the product to stop the operation of the
thermo-chiller.
.
Fig 1-2 Location of the switch for the power supply
2. Be sure to shut off the breaker of the facility power supply (the power supply of the
user’s machine).
Fig 1-3 Shut off of facility power supply
HRR Series 1.6 Emergency Measures
HRX-OM-W002-A
1-6
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.
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.
Chapter 1 Safety Instructions
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.
1.7 Waste Disposal
HRR Series
1-7
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-W002-A
Chapter 1 Safety Instructions
HRR Series 1.8 Material Safety Data Sheet (MSDS)
HRX-OM-W002-A
1-8
Chapter 1 Safety Instructions
1.8 Material Safety Data Sheet (MSDS)
HRR Series
HRX-OM-W002-A
2-1
HRR
---
A
20
①Cooling capacity
0121000W/1200W (50/60Hz)
030
0242000W/2400W (50/60Hz)
2500W/3000W (50/60Hz)
0181600W/1800W (50/60Hz)
②Cooling method
③Piping thread type
NullRc
FG (Rc-G conversion fitting is included)
NNPT (Rc-NPTconversion fitting is included)
⑤Option
When option D is selected,M is selected it
becomes - DM. It is not possible to select
only D
UL-pending
④Power supply
1-phaseAC200 to 230V (50/60Hz)
AAir-cooled refrigerator type
NullNone
DI water (Pure water) pipingM
Electric conductivity control
DI water (Pure water) piping
DM
High pressure pumpT
ULU
With feet and
no Rack Mounting bracket
Y
Chapter 2 Name and Function of Parts
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.
2.1.1 Air-cooled refrigerator type
HRR Series 2.1 Model Number of Product
Fig 2-1 Part number of product (1/2)
HRX-OM-W002-A
2-2
HRR
---
W
20
①Cooling capacity
0121000W/1200W (50/60Hz)
030
0242000W/2400W (50/60Hz)
2500W/3000W (50/60Hz)
0181600W/1800W (50/60Hz)
②Cooling method
③Piping thread type
NullRc
FG (Rc-G conversion fitting is included)
NNPT (Rc-NPTconversion fitting is included)
⑤Option
* When option D is selected,M is selected it
becomes - DM. It is not possible to select
only D
UL-pending
④Power supply
1-phaseAC200 to 230V (50/60Hz)
Water-Cooled refrigerated
type is the UL standard
prouduct. (UL-pending)
U
WWater-cooled refrigerator type
NullNone
DI water (Pure water) pipingM
Electric conductivity control
DI water (Pure water) piping
DM
High pressure pumpT
With feet and
no Rack Mounting bracket
Y
Chapter 2 Name and Function of Parts
2.1.2 Water-cooled refrigerator type
Fig 2-2 Part number of product (2/2)
2.1 Model Number of Product HRR Series
2-3
2.2 Name and Function of Parts
①
Operation manual
2 copies
(English 1 copy/
Japanese 1 copy)
②
Power supply connector
1 pc.
③
Maintenance handle for particle filter
1 pc.
④
Particle filter element
1 pc.
⑤
For option DM DI filter
1 pc.
⑥
For HRR-AF-20-
G thread adapter set
1 set
For HRR-AN-20-
NPT thread adapter set
1 set
2.2.1 HRR-A-20- (Air cooled type)
Fig 2-3 Names of the parts
Table 2-1 Accessory list
HRX-OM-W002-A
Chapter 2 Name and Function of Parts
HRR Series 2.2 Name and Function of Parts
HRX-OM-W002-A
2-4
①
Operation manual
2 copies
(English 1 copy/
Japanese 1 copy)
②
Power supply connector
1 pc.
③
Maintenance handle for particle filter
1 pc.
④
Particle filter element
1 pc.
⑤
For option DM DI filter
1 pc.
⑥
For HRR-AF-20-
G thread adapter set
1 set
For HRR-AN-20-
NPT thread adapter set
1 set
Chapter 2 Name and Function of Parts
2.2.2 HRR-W-20-U(Water cooled type)
Fig 2-4 Names of the parts
Table 2-2 Accessory list
2.2 Name and Function of Parts HRR Series
2-5
2.3 Function of Parts
Name
Name
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 ’’3.5 Fill
of circulating fluid’’.
Power supply switch
Shuts off the power supply to the internal eqipment of product.
Model label
Shows the part number of the product.
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.
Drain port
Port to drain the circulating fluid out of the tank.
Power supply connector
Connect the power cable to the Power supply connector
accessory, and then plug it in.
For details, refer to " 3.3.3 Preparation and wiring of power supply cable
".
Communication connector
CN1,CN2
Use for contact input / output, serial communication.
For details, refer to "3.3.3 Preparation and wiring of power supply
cable".
Facility water inlet
(For water-cooled type)
A facility water inlet to which the facility water is fed through piping.
The pressure of facility water should be in a range of 0.3 to 0.5MPa.
Facility water outlet
(For water-cooled type)
A facility water outlet from which the facility water returns to the user’s
machine through piping.
The function of parts is as follows
Table 2-3 Function of parts
HRX-OM-W002-A
Chapter 2 Name and Function of Parts
HRR Series 2.3 Function of Parts
HRX-OM-W002-A
2-6
No
Name
Function
Reference
page
①
Digital display
(7 segment,
5 digits)
Displays the temperature,pressure and flow rate of the circulating fluid
and the set values of other menus.
5.2
②
Digital display
(11 segment,
5 digits)
Displays the discharge temperature of the circulating fluid and the set
values of other menus.
③
[oC] lamp
Lights up when temperature is displayed on the digital display.
④
[MPa] lamp
Lights up when pressure is displayed on the digital display part.
⑤
[LPM] lamp
Lights up when flow rate is displayed on the digital display part.
⑥
[H] lamp
Lights up when time is displayed on the digital display section.
⑦
[SEC] lamp
Lights up when seconds are displayed on the digital display section.
⑧
[RUN] lamp
Lights up when the product is started and in operation.
4
⑨
[ALM] lamp
Lights up when a fault occurs.
(This product will stop.)
7
⑩
[WRN] lamp
Lights up when a warning occurs.
(This product will continue operation.)
⑪
[ ] lamp
Lights up when 「AL.01 Tank level drop failure」 or
「AL.02 Tank level drop」alarm is generated.
-
⑫
Digital display
(11 segment,
1 digits)
「X」 is displayed when notice for maintenance is generated.
5.4.4
⑬
[RMT] amp
Lights up during remote operation by communication function.
5
⑭
[KEYLOCK] amp
Lights up when key lock setting is active.
5.5.3
⑮
[RUN/STOP] key
Press and hold for 1 second to start or stop.
4.2
⑯
[MENU] key
Switching of each menu and cancellation of setting values.
5
⑰
[ENT] key
Switch to setting mode and set values.
⑱
[▲] key
Move item upward or increase the set value.
-
⑲
[▼] key
Move item downward or decrease the set value.
- ⑳ [RESET] key
Reset the alarm.
7
▲
▼
ENT
MENU
RUN/
STOP
RESET
℃
MPa
LPM
SEC
ALM
WRN
RUN
RMT
H
15
20
16
17
18
19
12
14
2
1
6
7
5
4
3
13
8
9
10
11
Chapter 2 Name and Function of Parts
2.4 Operation display panel
The operation panel on the front of the product controls the basic operation of
the product
図2-5操作表示パネル
Table 2-4 Operation display panel
2.4 Operation display panel HRR Series
Chapter 3 Transport and Setting Up
3-1
Only persons who have sufficient knowledge and experience about
the product and system are allowed to transport and set up the
product.
Especially pay attention to personal safety.
Never lay the product on its side.
The compressor oil will leak in to the refrigerant piping, which may
cause early failure of the compressor.
Drain the residual fluid from the piping as much as possible to prevent
any spillage.
Chapter 3 Transport and Setting Up
3.1 Transport
The product is heavy and has potential danger at transport. Also, to prevent
damage and breakage of the product, be sure to follow the instructions
shown below for transport.
HRX-OM-W002-A
HRR Series 3.1 Transport
HRX-OM-W002-A
3-2
Do not set up the product in places possibly exposed to leakage of
flammable gas. Should any flammable gas stay around the product,
the product may cause a fire.
Do not use the product outdoors. If the product subjected to rain or
water splash it may cause electrical shock, fire or failure.
Keep the product upright on a rigid and flat floor which can resist the
weight of the product, and take measures to prevent the product from
tipping over. Improper installation may cause water leakage, tipping,
damage of the product or injure the operator.
Keep the ambient temperature of the product between 5 to 40oC.
Operation out of this ambient temperature range may cause a
malfunction of the product. Operating the product in an environment
temperature of 40 oC may reduce the heat discharging efficiency of
the heat exchanger and the safety device may function, which stops
the product operation.
The installer/end user is responsible for carrying
out an acoustic noise risk assessment on the equipment after
installation and taking appropriate measures as required.
Chapter 3 Transport and Setting Up
3.2 Installation
3.2.1 Environment
The product must not be operated, installed, stored or transported in the following
conditions. Potential malfunction or damage to the product may occur if these
instructions are disregarded.
● Location that is outside.
● Location that is exposed to steam, salt water or oil.
● Location that is exposed to dust or powder material.
● Location that is exposed to corrosive gas, organic solvent, chemical solution,
or flammable gas. (The product is not explosion-proof.)
● Location where the ambient temperature is out of the following range:
In transportation and In storage 0 to 50°C
(with no water or circulating fluid in piping)
During operation 5 to 40°C
● Location where the ambient humidity is out of the following range or where
condensation occurs:
● Location that is exposed to direct sunlight or heat radiation.
● Location that is near heat sources and poor in ventilation.
● Location that is subjected to abrupt changes in temperature.
● Location that is subjected to strong electromagnetic noise (intense electric
● Location that is subjected to static electricity, or conditions where static
● Location that is subjected to strong high frequencies raditation(microwaves).
● Location that is subjected to potential lightning srtike
● Location at altitude of 3000m or higher (except during product storage and
● Location where the product is affected by strong vibrations or impacts.
● Condition that applies external force or weight causing the product to be damaged.
Do not stack the product on top of each other.
● Location without adequate space for maintenance as required
● For the product installation or operation in accordance with UL standards, see below.
3.2 Installation
In transportation and storage 15 to 85%
In operation 30 to 70%
field, intense magnetic field, or surges).
electricity can discharge to the product.
transport). Refer to below for details.
HRR Series
HRX-OM-W002-A
3-3
Altitude [m]
1. Max. ambient
temp. [°C]
2. Cooling capacity
correction coefficient
Less than 1000m
40
1.00
1000 m or more - Less than 1500 m
38
0.85
1500m or more - Less than 2000m
36
0.80
2000m or more - Less than 2500m
34
0.75
2500m or more - Less than 3000m
32
0.70
Chapter 3 Transport and Setting Up
Thermo-chiller installation in high altitude of 1000 meters or more
Because of lower air density, the heat radiation efficiencies of the devices in
the product will be lower in the location at altitude of 1000m or higher. For
this reason, the maximum ambient temperature for the thermo-chiller
operation and the cooling capacity will be reduced.
For product installation at a place of high altitude of 1000 meters or more,
select a thermo-chiller of the applicable capacity referring to the table below.
1. Max. ambient temp.: Use the product in lower ambient temperature than
the described value at each altitude.
2. Cooling capacity correction coefficient: Coefficient to calculate the cooling
capacity at each altitude
At an altitude of 1800 meters = Cooling capacity 8.4 x 0.8.
Installation/Operation in accordance with the UL standard (for the optional UL
compliant model)
For operation of the UL compliant model (available as an option,
HRR*-*-20-**U) in UL compliant conditions, the product cannot be used
in the environment shown below:
● Environment at an altitude of 2000 meters or more
● Environment at a pollution degree of 3 or more
HRR Series 3.2 Installation
HRX-OM-W002-A
3-4
Model
Heat
radiation
(kW)
Required ventilation amount (m3/min)
Differential temp. of
3 °C between inside
and outside of
installation area
Differential temp. of
6 °C between inside
and outside of
installation area
HRR012-A-20-
Approx.2
40
20
HRR018-A-20-
Approx.4
70
40
HRR024-A-20-
Approx.5
90
50
HRR030-A-20-
Approx.6
100
60
Do not install in a location which can be subjected to any of the
conditions in “3.2.1 Environment”.
The air cooled product radiates heat from the air vent of the cooling fan.
If the product is operated with insufficient air ventilation the internal
temperature can exceed 40oC, which can cause and affect the
performance and life of the product. To prevent this ensure that
suitable ventilation is available (see below).
Chapter 3 Transport and Setting Up
3.2.2 Location
Installation of multiple products
Keep sufficient space between products so that the air vented from one
Installation at indoor site (for air cooled type)
product will not be taken in by other products.
1. For a facility having a large installation area (that can vent the air
naturally):
Make an air outlet on a wall at a high level and air inlet on a wall at a low
level, to allow for adequate airflow.
2. For a facility having a small installation area (that can not vent the air
naturally):
Make a forced air exhaust vent on a wall at a high level and an air inlet on a
wall at a low level.
Table 3-1 Amount of radiation and required ventilation
3.2 Installation
HRR Series
Chapter 3 Transport and Setting Up
3-5
Model
Heat
Radiated
kW
Facility water temp.
range
o
C
Required facility water flow rate
l/min
Facility water temprature
25℃
32℃
40℃
HRR012-W-20-
Approx.2
5 to 40
(Rating 25)
8
12
20
HRR018-W-20-
Approx.4
12
15
23
HRR024-W-20-
Approx.5
14
17
25
HRR030-W-20-
Approx.6
15
18
26
The water cooled product radiates heat to the facility water.
It is necessary to supply the facility water. Please prepare the facility
water system that satisfies the heat radiation and the facility water
specifications below.
Required facility water system (for water cooled type)
Table 3-2 Facility water source to be prepared
HRX-OM-W002-A
HRR Series 3.2 Installation
HRX-OM-W002-A
3-6
Have an enough space for the ventilation for the product. Otherwise it
may cause a lack of cooling capacity or/and stoppage of the product.
Ensure there is enough space for maintenance.
The temperature of the outlet for the ventilation of the thermo-chiller
and the panel surface may become approx. 50oC or higher. When
placing the thermo-chiller, ensure the thermo-chiller does not affect
surrounding environment.
Product front side
Product rear side
700mm or more
300mm or more
Chapter 3 Transport and Setting Up
3.2.3 Installation and Maintenance Space
It is recommended to keep the space around the product shown in Fig 3-1
Fig 3-1 Installation space(View from the side of the product)
3.2 Installation
HRR Series
HRX-OM-W002-A
3-7
This product
Cabinet
Retaining panel etc
Chapter 3 Transport and Setting Up
3.3 Installation
3.3.1 Mounting
How to mount the product
1. When mounting the prouduct to a cabinet, use a design which shall hold the weight at
the bottom. Ensure safety with transportation test if the product is to be installed on a
transportation device such as atrailer. Mount the product using the fixing holes in the front of
the product. Use M5,M6 screws (bolts) or equivalent to the fix the product.
Do not drag this product after mounting, as the feet may be damaged. (option -Y)
2. In the case of air cooling type, this product sucks air from the front and discharges it to
the back. Please do not block the suction and the discharge air. Please do not install in
a sealed place. (Refer to 3.2.3 "Installation and maintenance space".)
Fig 3-1 Mounting
HRR Series 3.3 Installation
HRX-OM-W002-A
3-8
Do not modify the internal electrical wiring of the product. Incorrect
wiring may cause electric shock or fire. Also, modifying the internal
wiring will void the product’s warranty.
NEVER connect the ground to water line, gas pipe or lightning
conductor.
The installation of electrical equipment and wiring work should be
performed only by personnel with sufficient knowledge and
experience.
Be sure to shut off the user’s power supply. Wiring with the product
energized is strictly prohibited.
The wiring must be conducted using cables complying with “Table
3-3” and firmly secured to the product to prevent the external force of
cables being applied to the terminals. Incomplete wiring, or improper
securing of wiring, may cause electrical shock or excessive heat and
fire.
Ensure a stable power supply with no voltage surges.
Ensure that an earth leakage breaker is used in the power supply of
the product. See “Table 3-3”.
Use a power supply suitable for the specifications of the product.
Use a power supply of over voltage category 3 (IEC60664-1)*.
Be sure to connect the ground connection.
Ensure that a lock out facility is availble on the power supply.
Each product must have its own separate earth leakage breaker.
Otherwise there can be a risk of electric shock or fire.
Ensure that no harmonics are superimposed at power supply.
(Do not use inverter, etc.)
Supply a steady power supply which is not affected by surges or
distortion. In particular, if the voltage rate of increase (dv/dt) at
zero crossing exceeds 40V/200μsec, it may cause malfunction.
V
dV
dt
dt
= Voltageratio
onzero-crosspoint
dV
t
Voltage rise %
Time
Voltage
Chapter 3 Transport and Setting Up
3.3.2 Electrical wiring
*: For the users that purchased Option U for the product operation in the UL compliant conditions, please
refer to "Installation/Operation in accordance with the UL standard" in the next page.
3.3 Installation
HRR Series
HRX-OM-W002-A
3-9
Model
(High pump head
[Optional])
Power supply
voltage
Cable
qty.
x size
Recommended earth
leakage breaker
Rated
voltage
[V]
Rated
current
(A)
Sensitivity
of leak
current
[mA]
HRR012-A/W-20-
1-phase
200-230V AC
(50/60Hz)
3 cores x
14AWG
(3 cores x
2.0mm2)
(including
ground)
200,
230
10
30
HRR018-A/W-20-
HRR024-A/W-20-
HRR030-A/W-20-
HRR012-A/W-20-T
15
30
HRR018-A/W-20-T
HRR024-A/W-20-T
HRR030-A/W-20-T
Chapter 3 Transport and Setting Up
Power supply specifications, power supply cable and earth leakage breaker
Prepare the power supply shown in the following table. For the connection between the product and
power supply, use the power supply cable and earth leakage breaker shown below. An earth leakage
breaker must be mounted to a position where the breaker is easily accessible and close to the
thermo-chiller.
Table 3-3 Power supply cable and earth leakage breaker (Recommended)
Installation/operation in accordance with the UL standard (for the optional UL
compliant model)
For operation of the UL compliant model (available as an option, HRR--20-U) in the UL
compliant conditions, the conditions shown below must be satisfied:
● Use power supply of overvoltage category 2 (transient overvoltage 2500 V or less)
*1 When using a power supply in the overvoltage category 3, take measures such as
mounting an isolation transformer between the product and the power supply or keep the
transient overvoltage of the power supply to 2500 V or less by using a varistor, etc.
*1
HRR Series 3.3 Installation
HRX-OM-W002-A
3-10
The electrical facilities should be installed and wired in accordance
with local laws and regulations of each country and by a person who
has knowledge and experience.
Check the power supply. Operation with voltages, capacities and
frequencies other than the specified values can cause fire and
electric shock.
Wire with an applicable cable size and terminal. Forcibly mounting
with an unsuitably size cable may result in heat generation or fire.
Be sure to lock out and tag out the breaker of the facility power supply
(customer power supply facility) before wiring.
Be sure to connect the power supply cable from the product side first,
and then connect the breaker of the facility power supply (the user’s
machine power supply).
Please wear protective gloves.
Use a separate outlet or earth leakage breaker.
Be sure to perform grounding (earth).
Failure to do so may cause malfunction or electric shock.
Chapter 3 Transport and Setting Up
3.3.3 Preparation and wiring of power supply cable
3.3 Installation
HRR Series
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