Vermont Casting
MSY-D36NA, MSZ-D36NA, MSZ-D30NA, MSY-D30NA
service manual
Troubleshooting
Specifications
Wiring Diagram
Timer Short Mode
Operation Indicator lamp
Dimension
Accessories
Disassembly Instructions
Mode selection
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Contents
MSZ-D30NA MSZ-D36NA MSY-D30NA MSY-D36NA
Page
Technical Changes
Accessories
Part Names and Functions
Specification
Operating Range
Outlet AIR Speed and Coverage Range
Outlines and Dimensions
MSZ-D36NA MSY-D30NA MSY-D36NA
Wiring Diagram
Refrigerant System Diagram
Unitinch
How to modify the remote controller P.C. board
Service Functions
Timer Short Mode
P.C. Board Modification for Individual Operation
Auto Restart Function
Operation
Operation Indicator lamp
Microprocessor Control
FAN Operation MSY
Cool Operation
Heat Operation MSZ
Feel Control Operation MSY
Fuzzy control
Auto Change Over ··· Auto Mode Operation MSZ
Mode selection
Auto Vane Operation
Vertical vane
3 4 Swing 5
Program Timer
EMERGENCY/TEST Operation
Minute Time Delay Operation
Changing Temperature Indication F /C
Troubleshooting procedure
Troubleshooting
Before troubleshooting, check the following
How to replace batteries
Failure Mode Recall Function
OFF
Indoor unit failure mode table
Eration Indica
Instruction of Troubleshooting
Start
Troubleshooting Check Table
Lighted Blinking Not lighted
Trouble Criterion of Main Parts
Troubleshooting Flow
Check of indoor fan motor
Check of remote controller and receiver P.C. board
Indoor electronic control P.C. board
How to check miswiring and serial signal error
Electromagnetic noise enters into TV sets or radios
SW P.C. board
Test Point Diagram and Voltage
Power monitor receiver P.C. board
Removing the panel
Disassembly Instructions
Board, the power monitor receiver P.C. board and the SW
Removing the electrical box, the electronic control P.C
Removing the horizontal vane motor
Removing the nozzle assembly
Removing the vertical vane motor
Removing the line flow fan and the indoor fan motor
Page
Page
Made in Japan
New publication, effective Feb
Distributed in Feb . No. OBH501
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