KMPi TFF System Instructions for Use

HARDWARE SETUP

KMPi

7.6.4. Hardware Setup

a.

Auto Tare – When “On,” KMPi will tare pressure transducer readings

b.

Pressure Units – User is able to choose “psi” or “bar” (selected unit of measure is also displayed in KFComm software)

c.

Time – Change system time

d.

Date – Change system date

e.

Key Beep – When “On,” KMPi will make an audible noise when a soft button is pressed

f.

Display Contrast – Raise or lower the screen contrast

g.

PSI Decimals – For PSI unit of measure only—select preferred number of PSI decimals (range of 0, 1, and 2)

h.

Bar Decimals – For BAR unit of measure only—select preferred number of BAR decimals

(range of 1, 2, and 3)

i.

Key Timeout – When “On,” if KMPi’s soft buttons are untouched for ten minutes while on any screen other than the Main Screen, the KMPi will automatically switch back to the Main Screen

j.

Running Change – When “On,” the tubing size and pump direction can be changed while the pump is running

k.

No. of Heads – Input number of attached KMPi heads

l.

Perm Stop First - Permeate Pump motor stops before KMPi pump motor stops

m.

Check Weight - Pump Mode will not start if Feed Scale Weight is less than Initial Concentration

Weight, or if the Permeate Scale Weight is more than the Initial Diafiltration Weight

n.

Scale Req 4 Man - Manual Mode will not start unless both Feed and Permeate Scales are present

o.

Slow for Valve - If Automatic Backpressure Valve is unable to control pressure, then KMPi pump will slow down gradually until control is regained

p.

Ramp Seconds - Determines rate at which KMPi will increase feed flow rate linearly over desired amount of time

q.

Minus Modes – Enables KMPi to use weight set-points instead of CF/DV set-points

r.

USB Resets – If the USB cable is connected and disconnected from the KMPi repeatedly, then the USB interface chip may go into an invalid state that results in no communication. When set to “on,” the KMPi will reset the USB chip when turned on and off

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KMPi TFF System • PRODUCT INFORMATION AND OPERATING INSTRUCTIONS