Specifications
20
Series
W
The twin-pulse valve control
enables a high-precision
temperature control of ±0.1°C
at low load and significant
reduction in temperature
setting time.
Control area of
twin-pulse valve
Dimensions
Liquid and refrigerant circuit diagram
Fixed aperture
Product specifications
Main spindle head of machine tools
Cools built-in motor jacket, etc.
Pressure switch
Condenser
Drier
Outlet
sensor
Sight glass
Cooler
Fan motor
Pulse bypass
valve
Pulse
expansion
valve
Inverter
compressor
Service valve
Inlet
sensor
Multistage
pump
motor
*Optional
Temperature switch
Level switch
Heater
Liquid
filler
port
Liquid level gauge
Discharge
port
Liquid returning
port
Fixed aperture
Pressure switch
Condenser
Drier
Outlet
sensor
Sight glass
Cooler
Fan motor
Pulse bypass
valve
Pulse
expansion
valve
Inverter
compressor
Service valve
Inlet
sensor
Multistage
pump motor
*Optional
Temperature switch
Level
switch
Heater
Liquid
filler
port
Liquid level
gauge
Inlet Q
Outlet P
Drain port R
(always plugged)
Drain port S
(always plugged)
Exhaust air
Power supply
hole U
Signal hole V
Approx. 40
Intake air
Control box
Air intake
window
(with filter)
Control panel
Room temperature
sensor
Water inlet
Highest liquid level
16L
Highest
liquid level
8L
Grommet
with film
Water pump
Reservoir
Free caster
with stopper
Top
Liquid level gauge
Exhaust air
Free cast
er
with stopper
Intake air
Cooling
capacity
Frequency
Model A
B
C
D
E
F
G
H
I J K
L M
N
O
P Q R S T
U
V
W
W300
400
510
790
65
725
130
140
639
110
196
43
83
64
95
285
Rc 1/2
socket
Rc 1/2
socket
Rc 1/2
socket
Rc 3/8
socket
M12
Φ28
Φ22
Serial No.
plate
W750
400
570
860
65
795
130
140
705
128
45
51
51
64
95
380
Rc 1/2
socket
Rc 1/2
socket
Rc 1/2
socket
Rc 3/8
socket
M12
Φ28
Φ22
Serial No.
plate
W1500
472
614
970
68
902
205
140
819
138
678
54
53
65
101
461
Rc 1/2
socket
Rc 1/2
socket
Rc 1/2
socket
Rc 3/8
socket
M12
Φ28
Φ22
Serial No.
plate
W2200
591
714
1055
68
987
245
140
904
138
734
59
53
60
105
458
Rc 3/4
socket
Rc 3/4
socket
Rc 3/4
socket
Rc 3/8
socket
M12
Φ28
Φ22
Serial No.
plate