LG PQDSBC1 Owner's Manual

3

Installation Manual

Due to our policy of continuous product innovation, some specifications may change without notification.

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TABLE OF CONTENTS

Contents

Safety Precautions ........................................................................................................................................4

Unit Description .............................................................................................................................................5

Dry Contact with Economizer .......................................................................................................................5

Other Dry Contact Functions .......................................................................................................................5

Component Parts .........................................................................................................................................5

Installation ...................................................................................................................................................... 6

Safety ...........................................................................................................................................................6

Select a Location .........................................................................................................................................6

Install the Dry Contact Case ........................................................................................................................6

Connect the Communications Cable ...........................................................................................................6

Install the Optional PI485 Module ................................................................................................................7

Installation .................................................................................................................................................... 7

Connect Input Signal Cables .......................................................................................................................8

Installation .................................................................................................................................................... 8

Connect Output Signal Cables .....................................................................................................................9

Connect Output Signal Cables for Economizer ...........................................................................................9

Configuring the Fixed Setpoint Function ....................................................................................................10

Setting the Control Mode ...........................................................................................................................10

Control Mode: OFF (0) ......................................................................................................................... 11

General Mode (1 - 6) ............................................................................................................................ 11

General Mode (1 - 6) - continued .........................................................................................................12

Fan Level Setting Mode (7, 8) ..............................................................................................................12

Power Save Mode (9, A) .......................................................................................................................12

Compressor Stop Mode (B) ..................................................................................................................13

Operating Mode Selection (C, D) .........................................................................................................13

Economizer Control Mode (E) ..............................................................................................................13