HRX-OM-W002-A
Chapter 3 Transport and Setting Up
HRR Series
3.3 Installation
3-9
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
*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.
Mode
l
(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
2.0mm
2
)
(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
