20
Eubank EAA/EGA Wall Mount AC Installation & Operation Manual
03/2021 Rev.5
1 2 3 4
5
6
7
89
1.
W1 Economizer Sensor Selector
Jumper Pins 1 & 2 for enthalpy sensor
Jumper Pins 2 & 3 for dry bulb sensor
4.
W3 Sensor Brand Selector
Jumper Pins 1 & 2 for Honeywell sensor
Jumper Pins 2 & 3 for Prism sensor
7.
Minimum Position Potentiometer
0% to 100%. Factory setting is 50%.
2.
Field connection from
CommStat 4 (2) terminal
5.
For Honeywell sensors
8.
W2 Minimum Position
Potentiometer Jumper
Jumper Pins 1 & 2 to Disable (Factory setting)
Jumper pins 2 & 3 to Enable
3.
Field connection from CommStat 4
(MAR) terminal
6.
For Prism sensors
9.
Enthalpy Dip Switches
Set points are same as previous
Honeywell controller.
Factory setting is 4 (63°F/17.2°)
1=A (73°F/23.8°C) 2=B (70°F/21.1°C)
3=C (67°F/19.4°C) 4=D (63°F/17.2°)
Figure 5. Economizer Control Board
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