Initial Start-Up - Hitachi HISCREW 2000 Series Instruction Manual

3. HOW TO OPERATE [Initial Start-Up]

3.3 Initial Start-Up

CAUTION
Before turn the power ON, make sure if
zinstallation, xpiping and celectrical wir-
ing have been properly completed.
After the installation, or after long unused time (over a week),
run the machine by way of initial start-up.
3.3.1 Before power on
⑤
CAUTION
Oil has been filled in the oil case by the
factory before delibery.
3.3.2 Power on
④
10
Power
Supply
③
①
②
④
Power
Supply
③ ②
①
IMPORTANT
Every button such as START, STOP and RESET will
not function unless the switch held down more than 0.3
second.
q Be sure the power is OFF.
w Be sure that grounding is firmly connected.
e Be sure the discharge pressure gauge indicates 0.
r Detach the door (for the 22 kW models) or the
front enclosure panel (for the 37 kW models)
and remove the starter/control box cover.
Make sure that the DIP switches SW1 and
SW2 on the printed circuit board are correctly
set. ( pp. 12-14)
t Check if oil level is kept around the upper red
line on the oil level gauge.
(Oil level lowers while operation)
IMPORTANT
Capacity control of S-type is preset to I-type control,
and M-type is to P-type (AUTO) control.
Refer to page 12 for the setting of control function when
the control type is changed.
Compressor shifts repeatedly between full-load and no-
load operation within the range of its discharge pres-
sure between 0.69 MPa and 0.59 MPa.
q Connect the power.
w See if POWER light glows on the compressor's
instrument panel.
e Digital monitor displays run hour in 10 hours
as a unit.
r Fully open the valve on discharge side.
IMPORTANT
For safety, the unit will not operate for 5 seconds after
the power is ON, even START button is pressed.