Hitachi NEXT Series Instruction Manual page 10

2. GENERAL DESCRIPTION [Daily Operating Components]
Cooling Water
5
① Shut off the cooling water when the compressor is
off.
② Open the peacock for draining water. Also open
the valve of the water drain port and drain the
cooling water.
③ Be especially careful of freezing during the winter.
( For details, see page 61.)
Water drain peacock
8
Water drain port
Control Line Filter (Fixed Speed)
6
● Check the condensate drain discharge from the
control line filter by checking the sight glass on the
control line filter.
Control Line Filter
Sight Glass