Sanyo UHX3652, UHX2452, UHX0752, UHX1252, UHX1852, THX2452, THX1252, THX1852, XHX1852, XHX3652, XHX1252

Contents Outdooe Units „ R410A Models Indoor UnitsPage Check of Density Limit Contents Test RUN ContentsPreparing for Test Run Test RunItems to Check Before the Test Run Test Run ProcedureMain Outdoor Unit PCB Setting Setting of Unit Control PCBSystem 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. settingAutomatic Address Setting from the Outdoor Unit Auto Address SettingAuto Address Setting Basic wiring diagram Example Circuit 22-9Refrigerant Automatic Address Setting from Outdoor Unit Case 2 Automatic Address Setting no compressor operationOn the No UnitsCase 3A Automatic Address Setting in Heating Mode Case 3B Automatic Address Setting in Cooling Mode Automatic Address Setting* from the Remote ControllerOn outdoor main unit PCB Display during automatic address settingRemote controller display 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 addressTest Run Possible cause of malfunction Meaning of Alarm MessagesAlarm contents P02 Alarm messages displayed on system controller Main Operating Functions Wireless Remote ControllerTimer Remote Controller RCS-TM80BG Main Operating Functions Room Temperature ControlThermostat is turned ON/OFF according to as shown below DegAfter the compressor turns on Operating mode change Shifted set tempMode button Wireless Remote ControllerTransmitter FAN Speed selector buttonFilter button Cool mode and Dry mode, if the flaps are set in a downwardAddress button C Sensor buttonTimer SET button Indicator when swing operation is stoppedOFF Timer OFF Cycle TimerReceiver Operation Temperature sensors at the indoor unit side are usedMultiple units Group ControlCover Using the Wireless Remote Control UnitHow to install batteries Address Settings D type TypeOperation Emergency OperationShutdown Control unit will not be acceptedPress the Emergency operation button once more Trouble Possible Cause TroubleshootingTrouble Possible Cause Remedy How to Use the Timer Remote Controller Operating buttons Timer Remote Controller RCS-TM80BGNames and Operations Timer No. indication Display Section Refer to Setting indicationTimer program Timer OFF indicationHow to install the Remote Controller Installation Manual for Timer Remote ControllerRemote Controller Setting Mode Group Control Using 2 Remote ControllersIndoor Unit Setting Mode To Display the Sensor Temperature13/32 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 23Program image diagram Weekly Program Function Checking Weekly TimerPress To enter the program confirmation mode Start setting Select a Timer numberSet the minute. program step Set the hour. program stepSet the program pattern. program step Press / to change the temperature settingPattern Indoor unit starts operation at the programmed timeHow to cancel the program timer invalidation How to invalidate the program timerIf Power Failure Occurred Deleting the Program TimerYou 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 FunctionOuting function indication Status Canceling the outing functionOuting function indication Sleeping Function Wired Remote Controller Test Run Settings Simple Settings Function ProcedureList of Simple Setting Items Detailed Settings Functions Description List of Detailed Setting ItemsSetting data Item code Setting data Description Code Description Setting dataTimer Remote Controller RCS-TM80BG Table of DC Fan Motor Tap Settings ceiling-mounted type TP6 TP3 TP1 Maintained Remote Controller Servicing FunctionsDisplay Sensor Servicing check Alarm history Press and hold 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 meaningAlarm code Alarm meaning 2WAY ECO-i Alarm CodesAlarm E04 occurs E06 Alaral rm Alarm codeE12 Alarm Alarm code E15 Alarm Alarm codeE20 Alarm Alarm code E16 Alarm Alarm codeE24 Alarm Alarm code At a number of indoor unitsE26 Alarm Alarm code E25 Alarm Alarm codeE29 Alarm Alarm code Power at the outdoor unit main is turned OFFCrossed wiring or installation error F04, F05, F22 Alarm Alarm codeCheck Check for crossed wiring and installation errors Outdoor unit control PCBF06, F23 Alarm Alarm code Identification of the problem in this caseF07, F24 Alarm Alarm code Alarm meaningF16 Alarm Alarm code Alarm code F12F17 Alarm Alarm code F08H03 alarm Alarm code F31 Alarm Alarm codeOn the degree of the problem H06 Alarm Alarm codeWhich may damage the compressor Valve must be replacedH11, H12, H21, H22 Alarm Alarm code H05, H15, H25 Alarm Alarm code H13, H23 Alarm Alarm codeL05 Alarm Alarm code H31 Alarm Alarm codeL04 Alarm Alarm code L10 Alarm Alarm code L06 Alarm Alarm codeL17 Alarm Alarm code L18 alarm Alarm codeP03, P17, P18 Alarm Alarm code P04 Alarm Alarm code P16 Alarm Alarm code P05 Alarm Alarm codePrimary or secondary current Noise in some casesP29 Alarm Alarm code P22 Alarm Alarm codeP26 Alarm Alarm code Compressor magnet SW seizing detection Blinking inspection display 1 Automatic backupAlarm code Blinking Inspection display 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 PCBFunctions for CR-CHDX14053 Progress will stop the automatic address setting operationOutdoor Unit Control PCB Mode. Static signalSystem only Link wiringSetting the Outdoor Unit address S007 Setting Address JP1 Indoor Unit Control PCBT10 For DC Fan Motor CR-SXRP56B-B For AC Fan Motor CR-UXRP71B-BCR1 for CR-KR74GXH56A/KHX0752~KHX1852 Wall-Mounted CR1 for CR-KR254GXH56A/KHX2452 Wall-Mounted CR2 for POW-KR74GXH56/KHX0752~KHX2452 Wall-Mounted CN017 Signal. Jumper wire cut Static signal continuous signalOr less CN014 OptionSELF-DIAGNOSIS Function Table Self-Diagnosis Function Table Alarm displayAlarm descriptionSelf-Diagnosis Function Table Trouble Cause and correctionCause Check items E15 E16 E20DISCH2 Alarm code Alarm meaningService Checker Functions Functions on the ordinary display Outdoor Unit Maintenance Remote ControllerSystem Diagram All units start/stop Fig Temperature monitorCooling/heating change Fig All units test run FigItem code Remarks Display functionsItem codes can be changed with Buttons Sample display -4, Fig XX-YY R.CSample Display A, B Display of unit No main unit Monitoring OperationsIndoor unit Outdoor unitOutdoor Unit Alarm History Monitor Code Parameter Description SET Data „ Setting modeParameter Description SET Data „ Setting modePage 200706MDC