Service Manual

ManualsBrandsHaier ManualsAir ConditionersAdvanced Plus Series 15000 BTU Single Zone Mini Split System

Table Of Contents

SEQUENCE OF OPERATION

PAGE 21

ENGLISH

Sequence of Operation

Table of Contents

System Power .................................................................................................................................................................. 22

Cool Mode ........................................................................................................................................................................ 22

 Overview ........................................................................................................................................................................................ 22

Indoor Unit ..................................................................................................................................................................................... 22

Temperature sensors .................................................................................................................................................................... 22

Communication ............................................................................................................................................................................. 22

 Outdoorunit .................................................................................................................................................................................. 22

Temperature sensors .................................................................................................................................................................... 23

Call to Terminate Cooling ............................................................................................................................................................. 23

 Freezeprotectionfunction ........................................................................................................................................................... 23

Heat Mode ........................................................................................................................................................................ 23

 Coldairproofoperation ................................................................................................................................................................ 23

 Defrost ........................................................................................................................................................................................... 24

 AutomaticHeatingTemperatureCompensation ....................................................................................................................... 24

Indoor Unit ..................................................................................................................................................................................... 24

Temperature sensors .................................................................................................................................................................... 24

Communication ............................................................................................................................................................................. 24

Temperature sensors .................................................................................................................................................................... 24

 CalltoTerminateHeating ............................................................................................................................................................. 24

Auto Mode........................................................................................................................................................................ 25

Dry Mode ......................................................................................................................................................................... 25

Overview ........................................................................................................................................................................................ 25

Indoor Unit ..................................................................................................................................................................................... 25

Temperature sensors .................................................................................................................................................................... 25

Communication ............................................................................................................................................................................. 25

Temperature sensors .................................................................................................................................................................... 25

Defrost Operation ............................................................................................................................................................ 26

 DefrostingProgramEntryConditions ......................................................................................................................................... 26

 ConditionsUsedtoDeterminationifFrosthasFormed ............................................................................................................. 26

 DefrostActions ............................................................................................................................................................................. 26

 DefrostingExitConditions ........................................................................................................................................................... 26

Protection Functions ........................................................................................................................................................ 26

 TTChightemperatureprotection ................................................................................................................................................ 26

 Overheatingprotectionforindoorunit ....................................................................................................................................... 27

Compressor overcurrent protection ........................................................................................................................................... 27

 Anti-freezeprotectionoftheindoorheatexchanger ................................................................................................................. 27

 Anti-freezeprotectionofthebasepan........................................................................................................................................ 27