PEC Plus user manual Configuring relays
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The steps below use Actuator 1 (a(t1). If you are configuring a second actuator,
follow the same steps using A(t2.
You only need to configure one of the relay pairs. For example, if you configure
relay 1 for actuator 1, the control automatically configures relay 2.
To configure relays for actuators
1. Press Function until the LED for CONFIGURATION is lit.
2. Press Up or Down until rly is displayed and then press Select.
The display shows rly1.
3. Press Up or Down until the first relay you want to configure is
displayed and then press Select.
The display shows the current configuration.
4. Press Up or Down until a(t1 is displayed and then press Select.
The control returns to the Relay menu.
5. Press Back once to return to the Configuration menu, or twice to
return to the main display.
Calibrating actuators
After configuring the actuator relays, you need to calibrate the actuators. Calibrating the actuator lets
the PEC Plus know the position of the actuator when it is fully extended and fully retracted. The
PEC Plus uses the limits to define the range of motion it uses to position the inlets. These limits tell
the control how much to adjust when you want the actuators, for example, only 25% extended.
Because cables can stretch and equipment can come out of alignment (similar to tires on your car),
we recommend resetting the limit switches and calibrating your actuators at least once each year.
Each time you place the jumper on the ACTUATOR PRESENT IN pins, the PEC Plus calibrates
the actuator. During calibration, the actuator opens, pauses, and then closes. If the actuator is
operating properly, the inlet should open completely and then close completely. After closing
completely, the actuators should position according to the temperature and default settings.
rly1
CONFIGURATION
a(t1
rly
RELAY1
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