Sterlco SEU Series Economical Water TCU - Manual (Page 8)

3200 Series
8 ACS 3216 Operators Manual
4. Operator Level 1
4.1.1 Level 1 Operator Parameters
A minimal list of parameters are available in operator Level
1 which is designed for day to day operation. Access to
these parameters is not protected by a pass code.
Press to step through the list of parameters. The
mnemonic of the parameter is shown in the lower display.
After five seconds a scrolling text description of the
parameter appears.
The value of the parameter is shown in the upper display.
Press or to adjust this value. If no key is
pressed for 30 seconds the controller returns to the HOME
display
The parameters that appear depend upon the functions
configured. They are:-
Home List
Parameter
Mnemonic Scrolling Display
and Description
Alterability
WRK.OP WORKING
OUTPUT
The active output
value
Read only.
Appears when the
controller is in AUTO or
OFF mode.
In a motorised valve
controller (option VC or
VP) this is the ‘inferred’
position of the valve
A.TUNE AUTO TUNE
Activate Auto
Tune Of PID
Loop.
Alterable
SP1 SETPOINT 1 Alterable
SP2 SETPOINT 2 Alterable
T.REMN TIME
REMAINING
Time to end of set
period
Read only
0:00 to 99.59 hh:mm or
mm:ss
DWELL SET TIME
DURATION
Timer set time
Alterable. Only shown if
timer (not programmer)
configured.
DEC.P DECIMAL
POINT
Read only
UNITS DISPLAY
UNITS
Read Only
PB PROPORTIONAL
BAND
Alterable
TI INTEGRAL
TIME
Alterable
TD DERIVATIVE
TIME
Alterable
R2G RELATIVE
COOL GAIN
Read Only
OP.HI OUTPUT
HIGH LIMIT
Read Only
ADDR COMMS
ADDRESS
Read Only
5. Operator Level 2
Level 2 provides access to additional parameters. Access to
these is protected by a security code.
5.1 To Enter Level 2
1. From any display press and hold

.
2. After a few seconds the display will
show:-
3. Release

.
(If no button is pressed for about 45 seconds the display
returns to the HOME display)
4. Press or to
choose
Lev 2 (Level 2
5. After 2 seconds the
display will show:-
6. Press or to enter the
pass code. = ‘
101’
•
If an incorrect code is entered the controller reverts to
Level 1.
5.2 To Return to Level 1
1. Press and hold

2. Press to select
LEv 1
The controller will return to the level 1 HOME display.
Note: A security code is not required when going from a
higher level to a lower level.
5.3 Level 2 Parameters
Press to step through the list of parameters. The
mnemonic of the parameter is shown in the lower display.
After five seconds a scrolling text description of the
parameter appears.
The value of the parameter is shown in the upper display.
Press or to adjust this value. If no key is
pressed for 30 seconds the controller returns to the HOME
display
Backscroll is achieved when you are in this list by pressing
while holding down .
The following table shows a list of parameters available in
Level 2.