Manuals / Sanyo / Household Appliance / Air Conditioner

Sanyo UHX2452, UHX0752, UHX1252, UHX3652, UHX1852, THX2452 Outdoor Unit Control PCB CR-CHDX14053

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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PCB and Functions

1. Outdoor Unit Control PCB

1. Outdoor Unit Control PCB CR-CHDX14053

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A.ADD(CN100)pin

OAC(CN105)pin

MODE(CN101)pin

AP(CN102)pin

STOP(CN104)pin

CHK(CN023)pin

RUN(CN103)pin

TEST(CN022)pin

Terminal plug

EMG(CN002)plug

Control circuit fuse(F003)

OC(CN001)plug

RC(CN006)plug

RC1(CN106)plug

Low-pressure sensor

Comp. discharge 3 temp. Outdoor air temp.

Comp. discharge 2 temp. Gas temp. sensor at heat exchanger 1,2

Comp. discharge 1 temp.

CT2,CT3

High-pressure sensor LIquid temp. sensor at heat exchanger 1,2

CTL1,CTL2 Suction temp.

Oil detection sensor

HIC2

HIC1

HIC3

(F04)

4-2

Alarm LED (LED1,2)

S002

S004

S006

S010

S007

EEPROM memory IC (IC018)

S005

S003

Power LED (D53)

Image 88

Sanyo UHX2452, UHX0752, UHX1252, UHX3652, UHX1852, THX2452, THX1252, THX1852, XHX1852 Outdoor Unit Control PCB CR-CHDX14053

Contents

„ R410A Models Indoor Units Outdooe UnitsPage Check of Density Limit Contents Contents Test RUNTest Run Preparing for Test RunTest Run Procedure Items to Check Before the Test RunSetting of Unit Control PCB Main Outdoor Unit PCB SettingIndoor unit setting S004 Rotary switch, red System address S003 System address No P DIP switch, blue 10No. of outdoor units Outdoor unit setting S006 Unit No. settingAuto Address Setting Basic wiring diagram Example Auto Address SettingAutomatic Address Setting from the Outdoor Unit Refrigerant 22-9Circuit Case 2 Automatic Address Setting no compressor operation Automatic Address Setting from Outdoor UnitOn the No UnitsCase 3A Automatic Address Setting in Heating Mode Automatic Address Setting* from the Remote Controller Case 3B Automatic Address Setting in Cooling ModeRemote controller display Display during automatic address settingOn outdoor main unit PCB Auto Address Setting Remote Controller Test Run Settings If 1 indoor unit is connected to 1 remote controllerRemote Controller Test Run Settings Use the remote controller to check the indoor unit addressTest 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 Room Temperature Control Main Operating FunctionsThermostat is turned ON/OFF according to as shown below DegOperating mode change Shifted set temp After the compressor turns onWireless Remote Controller Mode buttonTransmitter FAN Speed selector buttonCool mode and Dry mode, if the flaps are set in a downward Filter buttonAddress button C Sensor buttonIndicator when swing operation is stopped Timer SET buttonOFF Timer OFF Cycle TimerReceiver Temperature sensors at the indoor unit side are used OperationMultiple units Group ControlHow to install batteries Using the Wireless Remote Control UnitCover Address Settings Type D typeEmergency Operation OperationShutdown Control unit will not be acceptedPress the Emergency operation button once more Trouble Possible Cause Remedy TroubleshootingTrouble Possible Cause Timer Remote Controller RCS-TM80BG How to Use the Timer Remote Controller Operating buttonsNames and Operations Display Section Refer to Setting indication Timer No. indicationTimer program Timer OFF indicationInstallation Manual for Timer Remote Controller How to install the Remote ControllerGroup Control Using 2 Remote Controllers Remote Controller Setting ModeIndoor Unit Setting Mode To Display the Sensor Temperature13/32 Setting the Present Time Once you enter in the setting mode Day and time ﬂ ashSet to today’s day of the week Press To change the present hour in the range of 0 to 23Weekly Program Function Checking Weekly Timer Program image diagramPress To enter the program conﬁrmation mode Start setting Select a Timer numberSet the hour. program step Set the minute. program stepPress / to change the temperature setting Set the program pattern. program stepPattern Indoor unit starts operation at the programmed timeHow to invalidate the program timer How to cancel the program timer invalidationIf Power Failure Occurred Deleting the Program TimerDuplicating the Program Timer You can duplicate the preset program by daySelect the copy source Before Asking Repair WorkPrecautions „ For Example Setting at Outing Temperature 86F 30CRoom temperature Outing FunctionOuting function indication Canceling the outing functionOuting function indication Status Sleeping Function Wired Remote Controller Test Run Settings Procedure Simple Settings FunctionList of Simple Setting Items Detailed Settings Functions Setting data List of Detailed Setting ItemsDescription Item code Setting data Description Setting data Code DescriptionTimer 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 Are occurring Automatic address setting is in progress Number that was set Alarm displayOFF Display meaning2WAY ECO-i Alarm Codes Alarm code Alarm meaningE06 Alaral rm Alarm code Alarm E04 occursE12 Alarm Alarm code E15 Alarm Alarm codeE16 Alarm Alarm code E20 Alarm Alarm codeE24 Alarm Alarm code At a number of indoor unitsE25 Alarm Alarm code E26 Alarm Alarm codeE29 Alarm Alarm code Power at the outdoor unit main is turned OFFF04, F05, F22 Alarm Alarm code Crossed wiring or installation errorCheck Check for crossed wiring and installation errors Outdoor unit control PCBIdentification of the problem in this case F06, F23 Alarm Alarm codeF07, F24 Alarm Alarm code Alarm meaningAlarm code F12 F16 Alarm Alarm codeF17 Alarm Alarm code F08F31 Alarm Alarm code H03 alarm Alarm codeH06 Alarm Alarm code On the degree of the problemWhich may damage the compressor Valve must be replacedH11, H12, H21, H22 Alarm Alarm code H13, H23 Alarm Alarm code H05, H15, H25 Alarm Alarm codeL04 Alarm Alarm code H31 Alarm Alarm codeL05 Alarm Alarm code L06 Alarm Alarm code L10 Alarm Alarm codeL17 Alarm Alarm code L18 alarm Alarm codeP03, P17, P18 Alarm Alarm code P04 Alarm Alarm code P05 Alarm Alarm code P16 Alarm Alarm codePrimary or secondary current Noise in some casesP26 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 meaning Compressor magnet SW seizing detected Alarm may be caused by the effects of noise. See notesWithin that refrigerant tubing system are stopped Corresponding outdoor unitPage PCB and Functions Outdoor Unit Control PCB Outdoor Unit Control PCB CR-CHDX14053Progress will stop the automatic address setting operation Functions for CR-CHDX14053Mode. Static signal Outdoor Unit Control PCBSetting the Outdoor Unit address S007 Setting Address Link wiringSystem only T10 Indoor Unit Control PCBJP1 For AC Fan Motor CR-UXRP71B-B For DC Fan Motor CR-SXRP56B-BCR1 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 Option CN014SELF-DIAGNOSIS Function Table Alarm displayAlarm description Self-Diagnosis Function TableSelf-Diagnosis Function Table Trouble Cause and correctionCheck items E15 E16 E20 CauseAlarm code Alarm meaning DISCH2Service Checker System Diagram Outdoor Unit Maintenance Remote ControllerFunctions Functions on the ordinary display Temperature monitor All units start/stop FigCooling/heating change Fig All units test run FigItem codes can be changed with Buttons Display functionsItem code Remarks XX-YY R.C Sample display -4, FigSample Display A, B Monitoring Operations Display of unit No main unitIndoor unit Outdoor unitOutdoor Unit Alarm History Monitor „ Setting mode Code Parameter Description SET Data„ Setting mode Parameter Description SET DataPage 200706MDC