Chapter 4: Programming the PEC Plus Phason
54 2009-06-15
To program curtain relays
1. Press Function until the LED for RELAYS is lit.
The display shows rly1 (Relay 1).
2. Press Up or Down to scroll to the “open” relay and then press
Select.
The display shows par( (parameter C). The LEDs for STAGES
show which relays (the open and the close) you are programming.
3. To view the temperature set point, press 1.
The display shows the current setting.
4. To change the set point, press Up or Down and then press Select.
The control returns to the Parameter menu.
5. To view the idle band, press 2.
The display shows the current setting.
6. To change the idle band, press Up or Down and then press Select.
The control returns to the Parameter menu.
7. To view the “open on” duration, press 4.
The display shows the current setting.
8. To change the duration minutes, press Up or Down and then press
Select. Repeat to change the seconds.
The control returns to the Parameter menu.
9. To view the “open off” duration, press 5.
The display shows the current setting.
10. To change the duration minutes, press Up or Down and then press
Select. Repeat to change the seconds.
The control returns to the Parameter menu.
11. Press Back to return to the relay menu and then select the “close” relay.
12. Repeat steps 7 to 10 for the close relay.
13. Press Back once to return to the Relay menu, or twice to return to the main display.
Programming heating and cooling elements and duty cycles
Heating and cooling elements control the temperature by switching single-stage heating equipment
such as electric heaters, or cooling equipment such as misters ON or OFF. Before setting up the
elements, make sure you have properly configured the relays. For more information, read
Configuring relays for single-stage heating and cooling on page 37.
There are three types of heating and cooling element setups: standard, duty cycle, and advanced duty
cycle. Programming a standard element means setting the temperature set point. Programming a
duty cycle means setting the temperature set point(s) and the ON and OFF durations.
RELAYS
RELAY1
RELAY2
t730
300
200
; 30
rly1
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