ZENER 8000-V Installation Manual
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42
IM00165
APPLICATION: Water Pumping With Automatic Pressure Control
Intended use is for a centrifugal pump with 4 to 20mA outlet pressure transducer feedback. Pressure control by
internal PID controller. Features include but not limited to:
Water pressure control
4 to 20mA analogue input for pressure feedback with loop supply.
Factory Default RUN/LOCAL-REMOTE logic
Dual Ramp Logic
The full range of ZENER 8000-V features and functions remain available.
Expected Wiring
One Time Installation/Application choice
Load the
“
Pressure Ctl-00
” application (Refer to “
Loading an Application
”, page 32).
Operation
To operate the pump manually:
Set the Local/Remote switch to
Local
Press the
UP
push button to start pumping. The motor is accelerated to the minimum speed.
Press and hold the
UP
push button on the console to increase the speed beyond the minimum speed.
Release the
UP
push button at the desired output frequency.
Press and hold the
DOWN
push button on the console to decrease the output speed. Release the
DOWN
push button at the desired output frequency.
Press the
STOP
push button on the console to stop pumping.
To operate the pump with pressure control:
Set the Local/Remote switch to
Remote
Press the
START
push button to start auto pressure control. The motor will run to the minimum speed.
The motor speed is adjusted continually to find the speed necessary to yield the required pressure given
the current water load conditions.
Press the
STOP/RESET
push button to stop pressure control pumping.
Control Board Terminals
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
+5V D1
D2
D3
D4
EN
COM SCN Vref
IN+
IN-
A
B
C
RL1
Stop/
reset
Start
Local
Remote
RL2
Extended Features Card (Left option slot)
32
34
36
38
40
42
43
44
AI+
AI-
AO+ AO- TH+ TH-
+
-
31
33
35
37
39
41
LOOP
D1
D2
D3
D4
DO+ DO-
SUPPLY
- +
Loop Powered,
4...20mA Water
Pressure Transducer
