Sanyo AHX0752 User Manual

TEST RUN SERVICE MANUAL
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R410A Models
Indoor Units
Class 7 9 12 18 24 36 48
X 4-Way Air Discharge Semi-Concealed XHX1252 XHX1852 XHX2452 XHX3652
A 1-Way Air Discharge Semi-Concealed AHX0752 AHX0952 AHX1252
U Concealed-Duct UHX0752 UHX1252 UHX1852 UHX2452 UHX3652
D Concealed-Duct High-Static Pressure DHX3652 DHX4852
T Ceiling-Mounted THX1252 THX1852 THX2452
K Wall-Mounted KHX0752 KHX0952 KHX1252 KHX1852 KHX2452
Outdooe Units
Class 90 140
C ECO-i W-2WAY CHDX09053 CHDX14053
85464849257000
REFERENCE NO.
SM830157
SM830157W-2WAYECO-i.indb1SM830157W-2WAYECO-i.indb1 2007/06/0814:23:092007/06/0814:23:09

Sanyo AHX0752 Specifications

General

Type	Split System
Power Supply	220-240V, 50Hz
Refrigerant	R410A
Cooling Capacity	7.5 kW
Operating Temperature (Cooling)	18°C to 43°C

Summary

Safety and Precautions

Important Safety Information

Critical warnings and precautions for installation, operation, and servicing the air conditioner.

Refrigerant Density Limit Standards

Guidelines on minimum room volume and refrigerant density limits for safe operation.

Section 1: TEST RUN

Test Run Procedure

Unit Control PCB Settings

Configuration of switches on the main outdoor unit PCB for system setup.

Auto Address Setting

Procedure for automatically setting addresses for indoor and outdoor units.

Alarm Message Interpretation

Section 3: TROUBLE DIAGNOSIS

Remote Controller Alarm Display Analysis

Outdoor Unit PCB LED Status Interpretation

W-2WAY ECO-i Alarm Code Reference

Comprehensive list of alarm codes, their meanings, and corresponding pages for troubleshooting.

Section 4: PCB AND FUNCTIONS

Outdoor Unit Control PCB Overview

Identification and layout of components on the outdoor unit control PCB.

Outdoor Unit Control PCB Functions

Explanation of the functions of various switches and connectors on the outdoor PCB.

Indoor Unit Control PCB Overview

Overview of switches, connectors, and LEDs on indoor unit control PCBs.

Indoor Unit PCB Model Specifics

Section 5: SELF-DIAGNOSIS FUNCTION TABLE

Automatic Address Setting Troubleshooting

Table of causes and corrections for automatic address setting failures.

System Alarm Code Reference

A comprehensive table listing alarm codes and their meanings for system-wide issues.

Section 6: SERVICE CHECKER

Outdoor Unit Maintenance Remote Controller Overview

Maintenance Remote Controller Functions

Monitoring Operations

Outdoor Unit Alarm History Monitor

Setting Outdoor Unit EEPROM Data

Guide for setting outdoor unit EEPROM data using the maintenance remote controller.