Graco SuperCat 232721, Instructions-Parts List Manual

Page: 43 / 114

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Setup Functions
Pressure Key 3, Level 4
Peak Pressures Display
Purpose
To help select pressure setup values and to trouble-
shoot pressure alarm conditions by displaying the
equipment’s peak pressures for Low Pressure A,
Low Pressure B, High Pressure A, High Pressure B,
and Pressure Differential. Press and hold the key to
reset to zero.
Access
In setup level 4, press key 3 on the keypad to access
the Peak Pressures Display function. Press the arrow
keys to toggle through the peak pressure readings.
Keypad Display
The key 3 light is green and 4 appears in the keypad
setup level position. See Fig. 52.
System Schematic Panel
The light for which peak pressure is being displayed
will blink. See Fig. 53–57.
Toggling Through Pressure Readings
Press arrow keys to toggle through the peak pressure
readings.
Deleting Stored Peak Values
To delete stored peak pressure values, press and hold
key 3 for 5 seconds. The stored values will reset to the
current pressures.
Fig. 52
3
A
A B
A B
A/B S
B
A B
A/B S
A B
A
B
Low Pressure A
Fig. 53
A
A B
A B
A/B S
B
A B
A/B S
A B
A
B
Low Pressure B
Fig. 54
A
A B
A B
A/B S
B
A B
A/B S
A B
A
B
High Pressure A
Fig. 55
A
A B
A B
A/B S
B
A B
A/B S
A B
A
B
High Pressure B
Fig. 56
A
A B
A B
A/B S
B
A B
A/B S
A B
A
B
Fig. 57
Pressure Differential