Lincoln Electric P709 GUARDIAN CONTROL SOLUTIONS - Manual (Page 58)

B-8 OPERATION B-8
• Move the “>” cursor to ʻONʼ: Press or .
• Confirm ʻONʼ: Press OK.
The display shows:
• Press to select the applicable time zone. Press
OK.
The display shows
The weekly timer of the PLC arranges the on/off days
and times of the system.
Default setting:
- Monday thru Friday
- On: 07:00 h
- Off: 18:00 h
The weekly timer has three screens for programming
purposes. Additional on/off days and/or times can be
programmed.
To set time and date, proceed as follows;
• Press to show time and date.
• Press ESC.
• Select ʻSET PARAMʼ Press or .
• Press OK.
• Press or to change the cursor position. Press
or to change value.
• Press OK.
If desired, screens 2 and 3 can be used to set addi-
tional on/off days/times of the system.
TIME CONTROLLED OPERATION
1. Turn on the main switch. See Figure B.5.
2. Wait approx. 10 seconds for the system to initialize.
3. Press AUTO START (automatic). See Figure B.5.
In AUTO mode, the system runs automatically, accord-
ing to the preset timer settings.
FREQUENCY INVERTER
The frequency inverter should automatically run in
AUTO mode.
• Check LED on frequency inverter indicating that it
runs in AUTO mode.
• If not: push button “Auto Start”.
AUTOMATIC SYSTEM START-UP
1. Follow Set Weekly Timer procedure.
OVERTIME SYSTEM START-UP
1. Press Overtime button.
a. Pressing button will override system to run an
additional 10 hours.
PLC START-UP PROCESS
1. Press to show time and date.
2. Press ESC.
3. Select ʻStartʼ..: Press or .
a. If “Stop” is the first item displayed, system is
already in START mode.
b. Press ESC.
4. Confirm “Start”: Press OK.
5. Press ESC.
SET WEEKLY TIMER
There are four week timers (Timer 1 thru 4) installed in
the program, each consisting of three screens.
To change the timer settings, proceed as follows. This
procedure can be executed via the PLC display on the
outside of the control panel.
1. Press to show time and date.
2. Press ESC.
3. Select ʻSet Paramʼ: Press or .
4. Press OK.
GUARDIAN CONTROL™ SOLUTIONS
EN
>On
Off
S/W Time:
On EN
Timer 1 1
D=MTWTF--
On=07:00
Off=17:00 Timer 1, screen 1
Off-time (17:00 h)
On-time (07:00 h)
Weekdays (daily)