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2Contents

CoolMaster PRM

www.coolautomation.com

Table of Contents

Part I

Revisions History

Part II

RS232 Interface

................................................................................................................................... 51 Mechanical and Electrical Specification

................................................................................................................................... 62 Port Settings

Part III

General Protocol Definitions

................................................................................................................................... 71 Message format

................................................................................................................................... 72 Indoor Unit Addressing

Part IV

Commands Reference

................................................................................................................................... 91 Cool Master Commands

.......................................................................................................................................................... 9alloff

.......................................................................................................................................................... 9allon

.......................................................................................................................................................... 10boot

.......................................................................................................................................................... 10cool

.......................................................................................................................................................... 10dry

.......................................................................................................................................................... 11heat

.......................................................................................................................................................... 11auto

.......................................................................................................................................................... 12fan

.......................................................................................................................................................... 12filt

.......................................................................................................................................................... 13fspeed

.......................................................................................................................................................... 13off

.......................................................................................................................................................... 14on

.......................................................................................................................................................... 15set

.......................................................................................................................................................... 16simul

.......................................................................................................................................................... 17stat

.......................................................................................................................................................... 18stat2

.......................................................................................................................................................... 19stat3,stat4

.......................................................................................................................................................... 21query

.......................................................................................................................................................... 22swing

.......................................................................................................................................................... 23temp

.......................................................................................................................................................... 24group

.......................................................................................................................................................... 24vam

.......................................................................................................................................................... 25lock

.......................................................................................................................................................... 26wh

.......................................................................................................................................................... 27feed

Part V

Firmware Update

................................................................................................................................... 281 Entering bootloader mode

................................................................................................................................... 282 Firmware Download

................................................................................................................................... 293 Reboot

Brand	Cool Automation
Model	Cool Master 1000D
Category	Adapter
Language	English

Cool Automation Cool Master 1000D User Manual

Table of Contents

Questions and Answers:

Cool Automation Cool Master 1000D Specifications