5-7
5.6 Parts Replacement
5.6.1 Cooling Water Pressure Switch
(WPS)
●Type LCB-MB10
●Setpoint OFF 98kPa (1.0kg/cm
2
)
ON 39kPa (0.4kg/cm
2
)
● This is used to switch between air-cooled
operation and water-cooled operation. The
cooling water flows, and when the inlet water
pressure reaches the setpoint, the contact
switches OFF, the condenser fan is stopped, and
water-cooled operation is performed.
(1) Replacement procedure
① Remove the WPS lead wire from the controller
terminal block.
② Stop the cooling water pump, check that no
water pressure is being applied, and then
remove the WPS.
③ Replace the WPS, apply seal tape around the
threads, and then tighten the screw.
①Cooling Water Pressure Switch (WPS)
②Cooling water inlet joint
③Cooling water outlet joint
④Inlet joint cap
⑤Outlet joint cap
⑤
④
③
②
①
05章LX10F11B3TR16-02En.indd5-705章LX10F11B3TR16-02En.indd5-7 2016/02/029:54:292016/02/029:54:29