Wow WAC 2200, Instruction Manual

Page: 35 / 221

INSTRUCTIONS MANUAL
pag.35 - 12/11/2015
CALIBRATION
Perform this operation whenever the values displayed on the LCD do not correspond to real
values. WARNING: The operations listed below must be performed with maximum attention
and care. In particular, always observe the following precautions. Always place the weights at
the centre of the scale plate. Never exert pressure on the oil scale. Always recover the gas in
the high- and low-pressure hoses before beginning calibration of the transducers.
From the MAINTENANCE MENU:
Select CALIBRATION and the following screen is displayed:
Enter code 0791 and confirm pressing ENTER. The following screen is displayed:
CALIBRATING THE BOTTLE SCALE
Disconnect the machine from the electrical supply. Procure a known reference weight from 28
to 32 kg. Remove the cover on the rear of the machine to access the machine bottle. Close the
blue and red taps on the bottle. Unscrew the bottle lock nut . Separate the heating coil (r
– Fig.
8) from the bottle (do not touch or disconnect the wires of the resistance coil). Remove the
bottle (d
– Fig. 8) from its lodging, leaving the resistance around the scale plate. Set the bottle
on a stand at least 40 cm in height.
From the CALIBRATION MENU:
Select BOTTLE SCALE and the following screen is displayed:
With BOTTLE SCALE flashing, press ENTER. The following screen will be displayed:
CALIBRATION
BOTTLE DATA
PREVIOUS MENU
BOTTLE SCALE
OIL SCALE
A/C PRESSURE TR.
BOTTLE TEMPERATURE
BOTTLE SCALE
OIL SCALE
A7C PRESSURE TR.
BOTTLE TEMPERATURE
To access menu
insert code
. . . .
press ENTER
BOTTLE FILLING
SERVICE ALARM
CALIBRATION