LG ARNU363DDA4 Installation Manual page 34

ECONOMIZER CONTROLLER
Menu Structure
Checkout Tests
Use the Checkout menu to test the damper operation and any configured outputs. Only items that are configured are shown in the Checkout
menu.
See User Interface for information about menu navigation and use of the keypad�
To perform a Checkout Test:
1. Scroll to the desired test in the Checkout menu using the ▲ and ▼ buttons.
2. Press the button to select the item.
3. RUN? Appears.
4. Press the button to start the test.
5. The unit pauses and then displays IN PROGRESS.
6. When the test is complete, DONE appears.
7. When all desired parameters have been tested, press the
Checkout test can be performed at any time during the operation of the system as a test that the system is operable.
NOTE
Equipment Damage Hazard
Failure to follow can result in damage to equipment� Be sure to allow enough time for compressor startup and shutdown between checkout tests so
that the compressors do not short cycle�
Setup and Configuration - W7220 Economizer Module Wiring
Use Figure 43, and Tables 9 and 10 to locate the wiring terminals for the economizer module.
The four terminal blocks are removable� Each terminal block can slide out, wire it, and then slide it
back into place�
Table 9: Economizer Module – Left Hand Terminal Blocks.
Label Type
Top Left Terminal Block
MAT 20k NTC and COM Mixed Air Temperature Sensor (Polarity Insensitive Connections)
OAT 20k NTC and COM Outdoor Air Temperature Sensor (Polarity Insensitive Connections)
S-BUS S-BUS (Sylk BUS)
Bottom Left Terminal Block
IAQ 2-10 2-10 VDC
IAQ COM COM
IAQ 24 24 VAC
ACT 2-10 2-10 VDC
ACT COM COM
ACT 24 24 VAC
34
Description
Enthalpy Control Sensor (Polarity Insensitive Connections)
Air Quality Sensor Input (e.g. CO2 Sensor)
Air Quality Sensor Common
Air Quality Sensor 24 VAC Source
Damper Actuator Output (2-10 VDC)
Damper Actuator Output Common
Damper Actuator 24 VAC Source
Due to our policy of continuous product innovation, some specifications may change without notification.
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(Menu up) button to end the test.
Figure 43: W7220 Economizer Module
Terminal Block Connection Labels.