Labconco PURICARE Procedure Station Models 31260 User Manual
Page 138

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138
Section 4. – Calibration of the Unit with a
Canopy Connection
Set-up cabinet inflow and downflow air
1.
Connect the Unit to the exhaust system but do not turn on the external exhaust
blower. Plug the unit in but do not turn it on.
2.
Lift the exhaust relief valve(s) wide open and tape in position. Prop open the
Inlet valve to prevent a canopy alarm. Open the exhaust damper control lever to
the fully open position.
3.
Turn on the unit and allow unit to operate for at least 5 minutes.
4.
The unit is now ready for calibration. Press “Menu”, then “Services”. Select
“Calibration”, and then press “OK”. The screen will prompt you for the certifier’s
password. Press Light, UV Light, Timer, Timer and then OK.
This will bring up the motor speed adjustment screen. Use the up and down buttons to adjust
the motor speed factor and the motor’s average
RPMs, until they match the values recorded earlier.
Motor Speed Factor Setting
Motor Speed in RPMs
Average Motor Speed in RPMs
5.
Using a direct inflow meter (DIM) or the secondary inflow method, establish the
cabinet’s recommended nominal inflow for model being certified by adjusting the
blower speed or internal damper as needed.
6.
Test to set-up the average nominal downflow velocity at 55 ± 5 FPM.
The ECM setting is: 80
The current RPM is: 1050
The average RPM is: 1020
Calibration
Motor Speed Adjustment
or
to change motor speed,
OK to select, MENU to finish
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