Table of Contents
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[1]
SPECIFICATION.................................... . ....... 1-1
[2]
EXTERNAL DIMENSION....................... . ....... 1-2
[3]
WIRING DIAGRM .................................. . ....... 1-3
[4]
ELECTRICAL PARTS ............................ . ....... 1-4
[1]
BLOCK DIAGRAMS............................... . ....... 2-1
[2]
[3]
FUNCTION............................................. . ....... 2-7
[1]
OPERATIONS........................................ . ....... 3-1
[2]
THERMISTOR ERROR ......................... . ....... 3-3
[3]
ACTERISTICS ....................................... . ....... 3-5
[4]
UNIT INDEPENDENTLY........................ . ....... 3-5
[5]
Parts marked with "
" are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the
safety and performance of the set.
SERVICE MANUAL
SPLIT TYPE
AIR-TO-AIR HEAT PUMP
MODEL
INDOOR UNIT
AY-ZP40KR
In the interests of user-safety (Required by safety regulations in some countries) the set should
be restored to its original condition and only parts identical to those specified should be used.
CONTENTS
........ 2-3
........ 3-6
OUTDOOR UNIT
AE-Z40KR
[6]
OD .................................................................3-7
[7]
OUTDOOR UNIT CHECK METHOD...........3-10
[8]
TROUBLESHOOTING GUIDE ....................3-13
[9]
CHART ........................................................3-14
[1]
SCHEMATIC DIAGRAM ................................4-1
[2]
STANDARD CONDITION ..............................4-1
[3]
PRESSURE IN 3-WAY VALVE ......................4-1
[4]
PERFORMANCE CURVES...........................4-1
[1]
INDOOR UNIT...............................................5-1
[2]
TER) ..............................................................5-4
[3]
DISASSEMBLY OF OUTDOOR UNIT...........5-5
This document has been published to be used for
after sales service only.
The contents are subject to change without notice.
AYZP40KR
S9928AYZP40KRT
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Summarization of Contents
Product Specification
Specification Details
Details technical specifications for cooling, heating, electrical data, fan, etc.
Wiring Diagrams
Provides schematic diagrams for indoor and outdoor unit wiring connections.
Circuit and Operation Explanation
Block Diagrams
Illustrates the functional blocks of the indoor and outdoor unit control systems.
Microcomputer Control System
Explains the electronic control circuits and logic for the indoor unit.
Protective Procedures and Troubleshooting
Protection Device Functions
Lists and describes the functions of various protective devices and their operations.
General Troubleshooting Chart
Offers a basic chart for diagnosing common indoor and outdoor unit issues.
Troubleshooting Guide
Details self-diagnosis functions, display modes, and error indications.
Malfunction Diagnosis Chart
Presents a comprehensive chart of malfunction diagnosis, indications, and remedies.
Refrigeration Cycle
Schematic Diagram
Shows the overall refrigeration cycle and component layout of the unit.
Performance Curves
Displays performance data curves related to cooling and heating capacities.
Disassembly Procedure
Indoor Unit Disassembly
Provides a step-by-step guide for disassembling the indoor unit.
Outdoor Unit Disassembly
Offers a step-by-step guide for disassembling the outdoor unit.
Parts Guide
Indoor Unit Parts
Lists and illustrates all parts for the indoor unit with their respective part numbers.
Outdoor Unit Parts
Lists and illustrates all parts for the outdoor unit with their respective part numbers.
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