Sanyo CH1271, CH0971 service manual Using the Remote Control Unit

Page 64

Using the Remote Control Unit (continued)

How to Use the Remote When using the remote control unit, always point the unit’s transmitter head Control Unit directly at the air conditioner’s receiver.

Air conditioner (Indoor unit)

 

Receiver

Remote control

(Transmitter head)

unit

 

Remote Control Unit The remote control unit may be operated either from a non-fixed position or from Installation Position a wall-mounted position. To ensure that the air conditioner operates correctly, DO NOT install the remote control unit in the following places:

DO NOT • In direct sunlight

Behind a curtain or other places where it is covered

More than 26 feet (8 m) away from the air conditioner

In the path of the air conditioner’s airstream

Where it may become extremely hot or cold

Where it may be subject to electrical or magnetic noise

Where there is an obstacle between the remote control unit and air conditioner (since a check signal is sent from the remote control unit every 5 minutes)

Mounting the Remote Control Before mounting the remote control unit, press the ON/OFF operation button at Unit the mounting location to make sure that the air conditioner operates from that

location. The indoor unit should make a beeping sound to indicate that it has received the signal.

Remote control

Rear side

 

unit mount

 

Press

Mounting screws 5/32 x 5/8" (4 x 16 mm)

(included)

Set in place

Hole

To prevent loss of the remote control unit, you can connect the remote control unit to the mount by passing a string through the remote control unit and attachment hole.

 

To take out the remote control unit, pull it forward.

When Holding the Remote

• When using the remote control unit and during air conditioner operation, the

Control Unit

transmitter on the remote control unit should be pointed toward the receiver

 

on the indoor unit.

 

• Make sure that there are no objects between the remote control unit and

 

receiver which could block the signal.

OI-802-11EG

11

 

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Contents DC Inverter Split System AIR Conditioner Indoor Model No. Product Code NoPlease Read Before Starting Table of Contents Checking Electrical Components Operating Range Indoor Air Intake Temp Outdoor Air Intake TempSpecifications Unit SpecificationsKHS0971 CH0971KHS1271 CH1271Major Component Specifications Indoor UnitCB-KHS1271 Microprocessor 250V 3A Outdoor Unit Outdoor Unit CH0971Compressor External FinishOutdoor Unit CH1271 Other Component Specifications Indoor heat exchanger sensorCompressor temp sensor Outdoor air temp sensorDimensional Data Indoor Unit KHS097121-3/16 10-13/16 Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing After a tube has been insulated To break or crackTemperature Charts Performance DataHigh pressure performance chart Indoor Unit KHS1271 Outdoor Unit CH1271 493 Tube service Power Supply 115V Single Phase 60Hz Cooling Capacity Cooling Capacity11,900 BTU/h Cooling Capacity Low Ambient SHC Sensible Heat Capacity BTU/h Heating Capacity Power Supply 115V Single Phase 60Hz Heating CapacityTH Total Heating Capacity BTU/h 14,300 BTU/h Air Throw Distance Charts Cooling Vertical distance ftRoom air temp F 26.7C Fan speed High Horizontal distance ft Heating Vertical distance ftHeating Electrical Data Electrical CharacteristicsCH0971 Cooling Indoor Unit KHS0971 KHS1271 Electric Wiring Diagrams8FA2-5257-71600-0 Outdoor Unit CH0971 CH1271 WHT REDMaintenance Address Setting of the Remote Control UnitON/OFF operation button HR.TIMER button ACL Reset button ION buttonHow to Disconnect How to ConnectFunctions Operation FunctionsEmergency operation Auto cooling/heating operationTimer backup Lamp colorsCompressor discharge temperature control Protective FunctionsOverload prevention during heating Cold-air prevention during heatingCT Peak current cut-off control Defrost detection and releaseReverse-Cycle Defrosting Precautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics Self-diagnostics Lamps Indoor UnitUsing the TEST/T-RUN terminals Checking the Indoor and Outdoor UnitsReplace the controller Replace the circuit board or the fuseSerial Communication Error Identification Procedure Off Blinking IlluminatedBefore the Operation Condition E01Terminal board Outdoor Unit Condition E12 Trouble Diagnosis of Fan Motor Outdoor Fan MotorNoise Malfunction and Electromagnetic Interference Noise malfunctionElectromagnetic interference Locations most susceptible to noise Trouble CorrectionPower Supply Cord Checking Electrical ComponentsMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Refrigerant R410A Special Precautions When Servicing Unit Characteristics of New Refrigerant R410AWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tubing Installation Procedures Tools Specifically for R410AProcedure for Replacing Compressor Case of Compressor MalfunctionNever charge a large amount Unit. This may causeDamage to the compressor ExampleWelding leaking points Case Refrigerant is LeakingRecharging When Tubes are Extended Charging Additional RefrigerantRetro-Fitting Existing Systems Use of Existing UnitsOI-852-6-4180-802-00-2 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Outdoor UnitUnit Display and Operation Button Quiet lampRemote Control Unit Display Hour OFF Timer Remote Control UnitOn Time Auto HeatDRY CoolUsing the Remote Control Unit Temperature Display SelectorHow to Install Batteries Button Time Display Selector buttonUsing the Remote Control Unit Step Operation with the Remote Control UnitPress the ON/OFF operation button Operation with the Remote Control Unit Press the Mode selector button and select the desired modePress the TEMP. setting buttons to change the temperature Set the FAN Speed selector button to the setting you wantAdjusting the Fan Speed Cooling and DRY Mode Night Setback Mode is used for saving energyQuiet Mode Special Remarks Example To set to 1030 pm Setting the TimerOperation Indication Setting the Timer How to set the on time Example To start operation at 710 amTo cancel a timer program Press the Cancel button 1030 pm 710 am 1100 am Present timeUsing the 1-Hour OFF Timer Setting procedureCancellation procedure Operation together with the Daily ON/OFF Repeat TimerAdjusting the Airflow Direction Cool Sweep DRY FAN HeatCare and Cleaning Operation without the Remote Control UnitWhen the air conditioner is not running Care and Cleaning CleaningGrasp both ends of the air Intake grilleFollow the steps below when the generator has become dirty Negative ion generator metal electrodes inside plastic caseTroubleshooting Operating RangeTrouble Possible Cause Remedy Max DB / 71 F WB Min DB / 57 F WBAppendix B Installation Instructions Installation Instructions ContentsPlease Read Before Starting Tools Required for Installation not supplied Accessories Supplied with Unit TableGeneral Optional Copper Tubing KitAdditional Materials Required for Installation Installation Site SelectionAvoid Solid base must not cover Hole of the bottom plateHow to Install the Indoor Unit Trical wiring or conduits areRemove the Rear Panel from the Unit Make a HoleIf Wooden Wall Install the Rear Panel on the WallIf Block, Brick, Concrete or Similar Type Wall Remove the Grille to Install the Indoor Unit How to replace the grilleWiring Instructions General precautions on wiring Shape the Indoor Side TubingRecommended Wire Length and Diameter Wiring System DiagramWiring Instructions for Inter-unit Connections For Outdoor Unit For solid core wiring or F-cable How to connect wiring to the terminal For Indoor UnitFor stranded wiring Mounting Right-side tubingLeft-side tubing Switching drain hose and drain capDrain cap Do not supply power to Tubing and wiring to the outTo unmount indoor unit Unit or operate it until allFirst refer to . Installation Site Selection How to Install the Outdoor UnitWiring Instructions for the Outdoor Unit Flaring Procedure with a Flare Tool To 0.5 mm Adjust so that the amount of tubeRefrigerant Tubing Use of the Flaring MethodConnecting Tubing between Indoor and Outdoor Units Finishing the InstallationInsulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of conAir Purging Air Purging with a Vacuum Pump for Test RunTem. The valve core is similar to Those used in automobile tiresBe sure to completely insert Hex wrench beforeThis may cause the refriger Ant gas to leak. In order toHow to Test Run the Air Conditioner Operation lamp Timer lamp Quiet lamp ION lampBasic Functions of the Service Valves Pump DownRemote Control Unit Installation Position Mounting on a WallAddress Switch Address Setting of the Remote Control Unit