Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo UHX0752, UHX2452, UHX1252, UHX3652 service manual R410A Models Indoor Units, Outdooe Units

Models: DHX4852 XHX1852 KHX2452 KHX0752 XHX2452 THX1852 UHX3652 UHX1852 KHX1252 KHX0952 THX2452 AHX0752 DHX3652 XHX1252 UHX1252 UHX0752 KHX1852 THX1252 UHX2452 AHX1252 AHX0952 XHX3652

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TEST RUN SERVICE MANUAL

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

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Sanyo UHX0752, UHX2452, UHX1252, UHX3652, UHX1852, THX2452, THX1252 service manual „ R410A Models Indoor Units, Outdooe Units

Contents

Outdooe Units „ R410A Models Indoor UnitsPage Check of Density Limit Contents Test RUN Contents Preparing for Test Run Test Run Items to Check Before the Test Run Test Run Procedure Main Outdoor Unit PCB Setting Setting of Unit Control PCB System address S003 System address No P DIP switch, blue 10 Indoor unit setting S004 Rotary switch, redNo. of outdoor units Outdoor unit setting S006 Unit No. setting Auto Address Setting Basic wiring diagram Example Auto Address SettingAutomatic Address Setting from the Outdoor Unit Refrigerant 22-9Circuit Automatic Address Setting from Outdoor Unit Case 2 Automatic Address Setting no compressor operationOn the No Units Case 3A Automatic Address Setting in Heating Mode Case 3B Automatic Address Setting in Cooling Mode Automatic Address Setting* from the Remote Controller Remote controller display Display during automatic address settingOn outdoor main unit PCB If 1 indoor unit is connected to 1 remote controller Auto Address Setting Remote Controller Test Run SettingsRemote Controller Test Run Settings Use the remote controller to check the indoor unit address Test Run Alarm contents Meaning of Alarm MessagesPossible cause of malfunction P02 Alarm messages displayed on system controller Timer Remote Controller RCS-TM80BG Wireless Remote ControllerMain Operating Functions Main Operating Functions Room Temperature ControlThermostat is turned ON/OFF according to as shown below Deg After the compressor turns on Operating mode change Shifted set temp Mode button Wireless Remote ControllerTransmitter FAN Speed selector button Filter button Cool mode and Dry mode, if the flaps are set in a downwardAddress button C Sensor button Timer SET button Indicator when swing operation is stoppedOFF Timer OFF Cycle Timer Receiver Operation Temperature sensors at the indoor unit side are usedMultiple units Group Control How to install batteries Using the Wireless Remote Control UnitCover Address Settings D type Type Operation Emergency OperationShutdown Control unit will not be accepted Press the Emergency operation button once more Trouble Possible Cause Remedy TroubleshootingTrouble Possible Cause How to Use the Timer Remote Controller Operating buttons Timer Remote Controller RCS-TM80BG Names and Operations Timer No. indication Display Section Refer to Setting indicationTimer program Timer OFF indication How to install the Remote Controller Installation Manual for Timer Remote Controller Remote Controller Setting Mode Group Control Using 2 Remote ControllersIndoor Unit Setting Mode To Display the Sensor Temperature 13/32 Once you enter in the setting mode Day and time ﬂ ash Setting the Present TimeSet to today’s day of the week Press To change the present hour in the range of 0 to 23 Program image diagram Weekly Program Function Checking Weekly TimerPress To enter the program conﬁrmation mode Start setting Select a Timer number Set the minute. program step Set the hour. program step Set the program pattern. program step Press / to change the temperature settingPattern Indoor unit starts operation at the programmed time How to cancel the program timer invalidation How to invalidate the program timerIf Power Failure Occurred Deleting the Program Timer You can duplicate the preset program by day Duplicating the Program TimerSelect the copy source Before Asking Repair Work „ For Example Setting at Outing Temperature 86F 30C PrecautionsRoom temperature Outing Function Outing function indication Canceling the outing functionOuting function indication Status Sleeping Function Wired Remote Controller Test Run Settings Simple Settings Function Procedure List of Simple Setting Items Detailed Settings Functions Setting data List of Detailed Setting ItemsDescription Item code Setting data Description Code Description Setting data Timer Remote Controller RCS-TM80BG Table of DC Fan Motor Tap Settings ceiling-mounted type TP6 TP3 TP1 Display Sensor Servicing check Alarm history Press and hold Remote Controller Servicing FunctionsMaintained Test Run Function Normal remote controller display Trouble Diagnosis Contents of Remote Controller Switch Alarm Display Heat exchanger 1 gas temp. sensor F06 Number that was set Alarm display Are occurring Automatic address setting is in progressOFF Display meaning Alarm code Alarm meaning 2WAY ECO-i Alarm Codes Alarm E04 occurs E06 Alaral rm Alarm codeE12 Alarm Alarm code E15 Alarm Alarm code E20 Alarm Alarm code E16 Alarm Alarm codeE24 Alarm Alarm code At a number of indoor units E26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code Power at the outdoor unit main is turned OFF Crossed wiring or installation error F04, F05, F22 Alarm Alarm codeCheck Check for crossed wiring and installation errors Outdoor unit control PCB F06, F23 Alarm Alarm code Identification of the problem in this caseF07, F24 Alarm Alarm code Alarm meaning F16 Alarm Alarm code Alarm code F12F17 Alarm Alarm code F08 H03 alarm Alarm code F31 Alarm Alarm code On the degree of the problem H06 Alarm Alarm codeWhich may damage the compressor Valve must be replaced H11, H12, H21, H22 Alarm Alarm code H05, H15, H25 Alarm Alarm code H13, H23 Alarm Alarm code L04 Alarm Alarm code H31 Alarm Alarm codeL05 Alarm Alarm code L10 Alarm Alarm code L06 Alarm Alarm codeL17 Alarm Alarm code L18 alarm Alarm code P03, P17, P18 Alarm Alarm code P04 Alarm Alarm code P16 Alarm Alarm code P05 Alarm Alarm codePrimary or secondary current Noise in some cases P26 Alarm Alarm code P22 Alarm Alarm codeP29 Alarm Alarm code Alarm code Blinking Inspection display Blinking inspection display 1 Automatic backupCompressor magnet SW seizing detection Alarm may be caused by the effects of noise. See notes Alarm meaning Compressor magnet SW seizing detectedWithin that refrigerant tubing system are stopped Corresponding outdoor unitPage PCB and Functions Outdoor Unit Control PCB CR-CHDX14053 Outdoor Unit Control PCB Functions for CR-CHDX14053 Progress will stop the automatic address setting operation Outdoor Unit Control PCB Mode. Static signal Setting the Outdoor Unit address S007 Setting Address Link wiringSystem only T10 Indoor Unit Control PCBJP1 For DC Fan Motor CR-SXRP56B-B For AC Fan Motor CR-UXRP71B-B CR1 for CR-KR74GXH56A/KHX0752~KHX1852 Wall-Mounted CR1 for CR-KR254GXH56A/KHX2452 Wall-Mounted CR2 for POW-KR74GXH56/KHX0752~KHX2452 Wall-Mounted Or less Signal. Jumper wire cut Static signal continuous signalCN017 CN014 Option SELF-DIAGNOSIS Function Table Self-Diagnosis Function Table Alarm displayAlarm descriptionSelf-Diagnosis Function Table Trouble Cause and correction Cause Check items E15 E16 E20 DISCH2 Alarm code Alarm meaning Service Checker System Diagram Outdoor Unit Maintenance Remote ControllerFunctions Functions on the ordinary display All units start/stop Fig Temperature monitorCooling/heating change Fig All units test run Fig Item codes can be changed with Buttons Display functionsItem code Remarks Sample display -4, Fig XX-YY R.C Sample Display A, B Display of unit No main unit Monitoring OperationsIndoor unit Outdoor unit Outdoor Unit Alarm History Monitor Code Parameter Description SET Data „ Setting mode Parameter Description SET Data „ Setting modePage 200706MDC