START-UP
LAB STORAGE TANKS
10
98-0123 Rev E
10.
Use the
▼
key to scroll down to “Limit-Exceeded Function”. Press the “OK” key to enter the
menu.
11.
Use the
▼
key to select “Limit” and adjust the limit to approximately one PSI over the operating
point of the pump at the new speed using the arrow keys.
12.
Use the back button to return to the “Limit-Exceeded Function” menu. Use the
▲
key to select
“Measured”. Press OK to enter the menu.
13.
Select “Discharge Pressure” from the menu.
14.
The pump shall now operate with no surging during operation. Shut the ball valve located after
the pump discharge and verify that the pump shuts off at dead head.
NOTE:
If the pump begins switching on and off after setting the shutoff limit, navigate to Limit 1
Exceeded
Limit and increase the shut off pressure in one PSI increments until the pump functions as
intended.
15.
Open the discharge valve and return the system to normal operation.
4.2
System Start-up
1.
Verify that all connections have been made on the system.
2.
Ensure that the drain valve on the bottom of the tank is closed and the valve to the pump inlet is
open.
3.
Start the RO to add water to the storage tank.
4.
Power on the system.
5.
Allow the UV light and resistivity meter to complete the self diagnostic tests.
6.
Turn on devices downstream from the storage tank.
7.
Verify that the post filter inlet and outlet gauges have less than a 10 PSI drop across them.
8.
Use the return flowmeter to adjust the pump operating percentage “SETPOINT” to obtain the
desired flow during operation (see Section 4.1.1 to adjust the "SETPOINT").
Summary of Contents for 00HC-4090
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Page 7: ...COMPONENT IDENTIFICATION LAB STORAGE TANKS 5 98 0123 Rev E 2 COMPONENT IDENTIFICATION...
Page 8: ...COMPONENT IDENTIFICATION LAB STORAGE TANKS 6 98 0123 Rev E...
Page 9: ...COMPONENT IDENTIFICATION LAB STORAGE TANKS 7 98 0123 Rev E 2 1 Flow Schematic...
Page 15: ...OPERATION LAB STORAGE TANKS 13 98 0123 Rev E Figure 3 Grundfos Eye Indicators...
Page 16: ...OPERATION LAB STORAGE TANKS 14 98 0123 Rev E 5 2 Default Pump Program...
Page 28: ...REPLACEMENT PARTS LAB STORAGE TANKS 26 98 0123 Rev E 11 REPLACEMENT PARTS...
