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TUBING SELECTION
Flow rate is determined by the size of the tubing in the pump head. For best results, select a tubing size with a mid-range
at the desired flow rate to be pumped. Table 4 provides an average of flow rates using silicone tubing measured with
water at standard pressure at 20°C (68°F) for each pump type. No lift or discharge pressure is represented. Higher flow
can be achieved by using PHARMED
TUBING
SIZE
®
L/S
13
®
L/S
14
®
L/S
16
®
®
L/S
25 or LS
15*
®
®
L/S
17 or L/S
24*
®
®
L/S
18 or L/S
35*
®
L/S
36
®
L/S
13†
®
L/S
14
®
L/S
16
®
®
L/S
25 or L/S
15*
®
®
L/S
17 or L/S
24*
®
®
L/S
18 or L/S
35*
®
L/S
36
®
®
®
* L/S
15, L/S
24, and L/S
35 are the recommended tubings for these flow rates.
®
† L/S
13 tubing should be combined into L/S
PUMP MOUNTING AND TUBING LOADING
Refer to the Operating Manual supplied with the EASY-LOAD II Pump Head and mount the pump heads to the pump
drive. Load the correct tubing into the pump(s). Use appropriate "Y" connectors or double "Y" tubing sets to combine the
inputs and outputs of a two-pump head configuration into single tubing.
NOTE: When using multiple pumps, best accuracy is achieved when all tubing lengths are the same for each pump
setup. When using two pump heads, L/S
pressure developed at high flow rates.
POWER ON
After the control console and all the pump drives are properly connected and the drives are plugged into an AC source,
the system may be powered up. Refer to Figure 2, and place the POWER switch on one of the pump drives in the On (I)
position. The pump number appears on the LED display. The welcome screen appears on the control console.
Place the POWER switch on the remaining pump drives in the On (I) position.
If the system does not power up, place the POWER switch in the Off (O) position. Check that all interconnection wiring is
secure. Make sure that the voltage selection switch on the back of the pump drive(s) are set to the correct voltage.
Ensure that the pump drive(s) are plugged into a live, grounded AC source.
If the system powers up but the pump number displayed is 0 (zero), the pump drive is not properly connected to the
control console. Place the POWER switch in the Off (O) position, check all the interconnections, and place the POWER
switch in the On (I) position.
SETUP
®
®
BPT or NORPRENE
Table 4. Flow Rate Table
VOLUME/
REV
(mL/rev)
One Pump Head
0
0 .
6
0
2 .
1
0
8 .
0
1
6 .
6
2
8 .
3
3
8 .
3
4
8 .
3
Two Pump Heads
0
1 .
2
0
4 .
3
1
6 .
0
3
3 .
3
5
6 .
7
7
6 .
7
9
6 .
7
®
14 or larger tubing due to pressure developed at these flow rates.
®
13 tubing should be combined into L/S
5
tubings.
MINIMUM FLOW
6 rpm
(mL/min)
0
3 .
6
1
3 .
0
4
8 .
0
1
0
0 .
0
1
7
0 .
0
2
3
0 .
0
2
9
0 .
0
0
7 .
2
2
6 .
0
9
6 .
0
2
0
0 .
0
3
4
0 .
0
4
6
0 .
0
5
8
0 .
0
MAXIMUM FLOW
600 rpm
(mL/min)
3
6
1
3
0
4
8
0
1
0
0
0
1
7
0
0
2
3
0
0
2
9
0
0
7
2
2
6
0
9
6
0
2
0
0
0
3
4
0
0
4
6
0
0
5
8
0
0
®
14 or larger tubing due to
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