Recommended External Piping Flow
External piping circuit is recommended as shown below.
Cable Specifications
Power supply and signal cable should be prepared by user.
Power Cable Specifications
Rated value for thermo-chiller
Power cable examples
Power supply
Applicable breaker
rated current
Terminal block
thread size
Cable size
Crimped terminal on
the thermo-chiller side
3-phase 460 VAC
(60 Hz)
30 A
M5
4 cores x 5.5 mm
2
(4 cores x AWG10)
(Including grounding cable)
R5.5-5
*
An example of the cable specifications is when two kinds of vinyl insulated wires with a continuous allowable operating temperature
of 70
°
C at 600 V, are used at an ambient temperature of 30
°
C. Select the proper size of cable according to an actual condition.
Signal Cable Specifications
Terminal specifications
Cable specifications
Terminal block screw diameter
Recommended crimped terminal
0.75 mm
2
(AWG18)
Shielded cable
M3
Y-shape crimped terminal
1.25Y-3
Circulating fluid
outlet
Thermo-chiller
automatic fluid
fill port
3
User’s
equipment
To wastewater collection pit
Fluid supply
Circulating fluid
return port
Overflow port
Tank drain port
4
5
2
2
2
2
1
1
6
*
Ensure that the overflow port is connected to the wastewater collection pit in order to avoid damage to the tank of the thermo-chiller.
No.
Description
Size
Recommended part no.
Note
1
Valve
Rc1/2
—
—
2
Valve
Rc1
—
—
3
Y-strainer
Rc1 #40
Accessory
Install either the strainer or filter. If foreign matter with a size of 20
μ
m or more are likely to enter, install
the particle filter. For the recommended filter, refer to the optional accessory HRS-PF005 (page 9).
Filter
Rc1 20
μ
m
HRS-PF005
*
1
4
Flow meter
—
—
Prepare a flow meter with an appropriate flow range.
5
Valve (Part of thermo-chiller)
Rc3/4
—
—
6
Y-strainer
Rc1/2 #40
—
Install either the strainer or filter. If foreign matter with a size of 20
μ
m or more
are likely to enter, select and prepare a particle filter.
Filter
Rc1/2 20
μ
m
—
*
1 The filter shown above cannot be directly connected to the thermo-chiller. Install it in the user’s piping system.
Partially enlarged view A
Power cable
Signal cable
A
2
Thermo-chiller
Standard Type
HRS200
Series