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313539F 27
NOTE:
Check the pressure of each proportioning pump using
the component A and B gauges. The pressures should
be approximately equal and must remain fixed.
d. To display cycle count, press .
NOTE:
To clear counter, press and hold for 3 sec.
e. Press or to change pressure
scale.
5. Change pressure imbalance setting (optional)
The pressure imbalance function (status code 24, page
35) detects conditions that can cause off-ratio spray,
such as loss of feed pressure/supply, pump seal failure,
clogged fluid inlet filter, or a fluid leak.
NOTE:
Code 24 (pressure imbalance) is set to an alarm as the
default. To change to a warning, see H-VR Repair-Parts
manual 313540.
The pressure imbalance default is factory-set at 500 psi
(3.5 MPa, 35 bar). For tighter ratio error detection, select
a lower value. For looser detection or to avoid nuisance
alarms, select a higher value.
a. Turn main power switch OFF .
b. Press and hold or , then turn main
power switch ON . Display will read
dP500 for psi or dP_35 for bar.
c. Press or to select desired pres-
sure differential (100-999 in increments of 100
psi, or 7-70 in increments of 7 bar). See T
ABLE
4.
* Factory default setting.
d. Turn main power switch OFF to save
changes.
PSI
BAR
PSI
BAR
Table 4: Available Pressure Imbalance Settings
PSI BAR PSI BAR
100 7 600 42
2001470049
3002180056
4002890063
*500 *35 999 69