Graco PR70 Water Dispenser User Manual


 
Miscellaneous Machine Setups
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3. Press to accept the value or to retain the
previous value.
Figure 19: M2 after Purge Shot Size Prompt
4. Press or to enter the purge shot size (in
grams). Enter a number with at least as much
volume as the mixer.
5. Press
to accept the value or to retain the
previous value.
6. Press
twice to return to the Run screen.
Activating the purge timer automatically activates the
purge alarm
. This is the amount of time before
the purge timer reaches zero that the machine will
sound a warning beep to signaling that it is about to
take a purge shot. To change the Purge Alarm value;
From the Run screen, press
, then press , and then
press
once. The following screen will be displayed.
Figure 20: M2 after Purge Alarm Selection
1. Press .
2. Press
or to enter the purge alarm duration
(in seconds). The minimum value is 2 seconds,
and a maximum of 59 seconds or the value of the
purge timer if the timer is more than 59 seconds.
3. Press
to accept the value or to retain the
previous value.
4. Press twice to return to the Run screen.
Cycle Counter and Silent Mode Control (M3)
Resetting the Cycle Counter:
The cycle counter shown on the Run screen, see Figure
6, shows the number of pump cycles since the last time
the cycle counter was reset. To reset the cycle counter:
From the Run screen, press
, then press , and then
press
2 times. The following screen will be displayed.
Figure 21: M3 Cycle Counter and Silent Mode Control
Key:
A Total Pump Cycle Counter Value (Not Resettable)
B Resettable Cycle Counter Value
C Current Silent Mode State ICON
Silent Mode Off
Silent Mode On
D Reset Cycle Counter ICON
E Toggle Silent Mode ICON.
I Screen Number (M3)
J
& keys will navigate to adjacent screens.
1. Press .
2. Press
to accept the value or to retain the
previous value.
3. Press
twice to return to the Run screen.
Silent Mode Operation:
The default setting is , Silent Mode Off, where audio
feedback is provided when a valid key (1 short tone), or
an invalid key (3 short tones) is pressed.
In
, Silent Mode On, audio feedback is not provided.
Silent Mode On has no effect on the audio sounds
provided for the purge timer alarm, an error code, or
when power is initially applied to the machine.
To toggle or change the silent mode:
From the Run screen, press
, then press , and
then press
2 times. Screen M3, see Figure 21, will
be displayed.
1. Press
or .
2. Press
to accept the change or to retain the
previous setting.
3. Press
twice to return to the Run screen.