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INSTALLER'S GUIDE
Installation for BAYECON101, BAYECON102,
BAYECON103, BAYECON104A
Down Discharge
Single Enthalpy Sensor Control (Outdoor Air Only)
1.
Units with economizers already installed: When
installing the Enthalpy Sensor Control (ESC) after the
economizer has been installed remove the COIL ACCESS
panel. Remove the mist eliminator.
2.
Remove the two screws securing the outdoor air sensor
(OAS) to the rear panel.
3.
Disconnect the YL/BK and YL wires from the OAS.
4.
Retain the screws for later use and discard the OAS
removed in steps 2 & 3.
5.
Using the two screws removed in step 2, mount the ESC
adjacent to the previous location of the OAS. Engagement
holes are provided.
6.
Connect the YL/BK wire to S and the YL wire to + termi-
nal on enthalpy sensor.
7.
Reinstall the mist eliminator.
8.
On the Control Module (Solid State Economizer Logic Mod-
ule) attached to the Economizer Motor, remove the red
resistor from terminals S
0
page 6
and + and discard. See figure 4.
R
9.
Remove the white resistor from between the S
wire 56A. Then install the white resistor across the S
+ terminals
10. Install the terminal adaptor provided with the sensor on
terminal S
of the Control Module and connect wire 56A to
O
it.
terminal and
O
and
R
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