Sanyo XHS2432, XHS3632, CH2432, CH3632 service manual Set service check switches

Page 73

4. Service procedures

(7)Service Functions of Optional Wired Remote Controller (Temperature displayed on the screen is not °F but °C.)

From the remote controller you can control both the operation and settings of the unit as well as perform several useful service checks. This section explains how to use the remote controller on the following items from (A) to (J).

(A)Set service check switches.

(B)Use the test run procedure.

(C)Check the sensor temperature readings.

(D)Find out about past service problems.

(E)Check the remote controller itself for correct operation.

(F)Excute the auto. address operation.

(G)Confirm and change the indoor unit address.

(H)Change the shift temperature in heating mode

( I ) Set the indoor unit address.

(J)Change the period of the filter timer

(A)Set service check switches

The service check switch (RCU.CK) is located on the back of the remote controller’s P.C.B. Ass’y as follows :

RCU. ADR switch ON OFF

ON OFF RCU. CK switch

Section

1

2

3

4

0354_M_I

The followings are the correct switch settings for ordinary use of the unit. Only change the settings temporarily for making service checks. When you finish the settings, be sure to return them to the standard settings shown here.

❏RCU.CK switch - Refer to section (E) “ Checking the remote controller for correct operation”

(Remote Control Unit, Check)

❏RCU.ADR switch - Keep the switch OFF all the time except in case of sub remote controller

(Remote Control Unit, Address)

SM830076

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Contents Split System AIR Conditioner If Necessary, Get Help Please Read Before StartingWHO should USE this Manual Table of Contents Service Procedures Introduction Read Me First Specifications Performance Specifications Unit SpecificationsData Subject to Change Without Notice Model No Indoor Unit XHS3632 Outdoor Unit PNR-XHS3632 Fan motor Specifications Major Component Specifications Indoor UnitModel No XHS3632 Source Compressor Specifications Major Component Specifications Outdoor UnitModel No CH3632 Source Model No XHS2432 Power Transformer Specifications Other Component Specifications Indoor UnitXHS3632 Power Transformer Model No CH2432 Specifications Other Component Specifications Outdoor UnitModel No CH3632 Specifications Dimensional Data Indoor Unit XHS2432 Specifications Dimensional Data Indoor Unit XHS3632 Specifications Dimensional Data Outdoor Unit CH2432Specifications Dimensional Data Outdoor Unit CH3632 Operating Range Specifications Refrigerant Flow Diagram Outdoor Unit CH2432Indoor Unit XHS2432 Indoor Unit XHS3632 Specifications Refrigerant Flow Diagram Outdoor Unit CH3632Processes and Functions Processes and1.SpecificationsfunctionsProcesses and functions Room Temperature ControlCooling Heating Cold Draft Prevention Heating Cycle Automatic Fan Speed Indoor Unit Chart Explanations and notesOutdoor Fan Speed Control Freeze Prevention Cooling Condensing Temperature Control Cooling This function prevents the air conditioner from overloading Overload Protection HeatingDischarge Temperature Control Cooling and Heating Auto. Mode for Automatic Heating/Cooling Switching Processes and functions Defrosting Control, Outdoor Heat Exchanger Coil Heating Time Chart for Defrosting11 4-Way Valve, Solenoid Control Normal Control ModeAuto Control Mode Automatic Restart after Power InterruptionElectronic Expansion Valve Compressor Discharge Gas TemperatureHeating Except During Defrosting Fuzzy ControlOverload Protection Compressor Current Detection CircuitElectronic Expansion Valve Control Contents and Order of controlRefrigerant flow distribution control Fuzzy control optimal refrigerant flow rate controlVoltage Detection Control Processes and functions Electrical data Electrical DataXHS2432, XHS3632 Indoor UnitSchematic Diagram OutdoorUnit CH2432Controller Outdoor UnitCH3632 Electric Wiring DiagramFMO1 FMO2 Electrical data Service procedures Service ProceduresThis section explains TroubleshootingCheck power supply Service procedures Check before and after TroubleshootingCheck power supply wiring Check inter-unit wiringCooling Service procedures Heating Controller Display Meanings of alarm messagesWireless remote Controller Display Refrigerant Shortage Service procedures Symptoms and parts to inspect SM830076 0335MI Influenced by external noise Yes Start Is there connector contact defect? Correct the connection 0343MI Symptom LCD on the remote controller displays Check E15 Symptom LCD on the remote controller displays Check E16 0346MI Indoor fan does not operate Compressor motor does not operate Set service check switches Service procedures Use the test run procedure Service procedures Check the sensor temperature readings Find out about past service problems SET Temp Check the remote controller itself for correct operation Service procedures Execute the auto. address operation 0362MI 0364MI Change the shift temperature in heating mode Service procedures Set the indoor unit address Set the No. of R. C. which you want to set with , button 0371MI Service procedures Change the period of the filter timer Measurement of Insulation Resistance Checking the Electrical ComponentsCompressor motor thermal protector . . . . . . Outdoor unit Checking the Protective DevicesPower transformer TR1 Service procedures Checking the Electrical PartsContinuity of fuse on P.C.B. Ass’y Motor capacitor ............ Both in indoor and outdoor unitSolenoid coil of the electronic refrigerant Case of single -phase compressorCompressor motor CM ……… Outdoor unit Compressor motor magnetic contactor 52C ………… Outdoor unitCH2432 Service procedures Sensor and Solenoid Layout DiagramXHS3632 Service procedures Thermistor Characteristic Curve Central control when using the *system controller Service procedures C.B. SettingSetting of indoor control P.C.B Standard control single outdoor unitBoth OFF Set to When shipped from factory Displaying Indoor / Outdoor Unit Combination Numbers Service procedures Automatic Address Setting MethodItems to Check Prior to Test Run Service procedures Test Run 100 Test Run Procedure CR-THS2432 Service procedures 12 P.C.B. and Parts LocationCR-CH2432 Checking procedure for each P.C.B Switch the pin from normal operation to check operation Service procedures Check PinsCentral Region
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XHS3632, XHS2432, CH3632, CH2432 specifications

The Sanyo CH3632 is a cutting-edge air conditioning unit that exemplifies efficiency and innovation in climate control technology. Designed primarily for residential use, this model has attracted attention due to its combination of powering performance and user-friendly features.

One of the standout characteristics of the Sanyo CH3632 is its energy efficiency. With a high Seasonal Energy Efficiency Ratio (SEER), the unit consistently delivers cooling while minimizing energy consumption. This not only reduces monthly electricity bills but also contributes positively to environmental sustainability. Its environmentally friendly refrigerant further emphasizes Sanyo's commitment to eco-conscious designs.

The unit employs advanced inverter technology, which allows for variable-speed compressor operation. This means that instead of turning on and off, the compressor adjusts its speed based on the cooling needs of the space. This creates a more stable and comfortable indoor environment while ensuring quieter operation. The reduced noise levels make the CH3632 an excellent choice for bedrooms and living spaces where peace and tranquility are essential.

Another key feature of the Sanyo CH3632 is its dual filtration system, which combines a pre-filter with a HEPA filter. This system effectively captures dust, allergens, and other airborne particulates, ensuring that the air quality remains high. Homeowners can breathe easier knowing that their indoor air is cleaner and healthier.

Smart features are also integral to this model. The Sanyo CH3632 can be integrated with smart home systems, allowing users to control temperature settings via mobile apps or voice commands. This connectivity makes it convenient to manage cooling preferences from anywhere in the house, adding a layer of modern convenience to home comfort.

Installation of the Sanyo CH3632 is straightforward and can often be completed without extensive modifications to existing structures. Its sleek design allows it to blend seamlessly into various home aesthetics, making it an attractive addition to any space.

In summary, the Sanyo CH3632 is a highly efficient air conditioning unit that incorporates advanced technologies for optimal performance. With eco-friendly features, smart connectivity, and an emphasis on air quality, it sets a high standard for comfort in residential air conditioning solutions.
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