Sanyo
STB0811C1, STB0810C1, STB1020C1 P.C.B. Assy Printed Pattern, POW-STBH For model STB0823H1
Troubleshooting
Specs
Electrical Characteristics
Refrigerant Flow Diagram
Dimension
Disassembly Procedure
Check setting temperature
Room Temperature Control
How to
Power is not supplied
Page 31
6-3.
P.C.B. Ass'y (Printed Pattern)
POW–STBH
(For model STB0823H1)
27
Page 30
Page 32
Image 31
Page 30
Page 32
Contents
Sanyo 26˝ Through the Wall AIR Conditioners & Heat Pump
Please Read Before Starting
Example
HOW to USE this Manual
Table of Contents
STB0823H1
Operating Range
Models STB0810C1 STB1010C1 STB1020C1 STB1220C1
Models STB0811C1 STB1023C1 STB1123C1
Unit Specifications
Specifications
Cooling & Electric Heating Heat Pump
Models STB0811C1 STB1023C1 STB1123C1 STB0823H1
Compressor
Major Component Specifications
POW-STBH
Room Thermostat YTB-2U136 YTB-2U358
Other Component Specifications
Wall Sleeve Dimension Dimension of Wall Opening
Dimensional Data
Model STB0823H1
Refrigerant Flow Diagram
Cooling Capacity
Performance Data
10,200 BTU/h
700 BTU/h
11,500 BTU/h
000 BTU/h
500 BTU/h
11,300 BTU/h
980 810 650 490 300 070 22.8
Heating Capacity Heat pump Performance
100 Outdoor ambient temperature F DB
Electrical Data
Electrical Characteristics
Cooling only models
Cooling & electric heating models
Cooling
Heat pump model
Models STB0810C1 STB1010C1
Electrical Wiring Diagrams
Models STB1020C1 STB1220C1
Model STB0811C1
Models STB1023C1 STB1123C1
Model STB0823H1
Layout for Electric Parts
POW-STBH For model STB0823H1
P.C.B. Assy Printed Pattern
Check lead wires and connectors
Troubleshooting
Check before and after troubleshooting
Check power supply
Circuit breaker trips or fuse blows
Air conditioner does not operate
Check transformer
Power is not supplied
Check Mode selector on the control panel
Neither fan motor nor compressor motor runs
Only fan does not run
Some part of air conditioner does not operate
Electric heater does not work
Cooling only models Cooling & electric heating models
Check setting temperature
Only compressor unit does not run
Check compressor and electrical parts
Excessive cooling or heating
Operation does not switch from Heat to Cool or Cool to Heat
Air conditioner operates, but abnormalities are observed
Poor cooling or heating
Short
If a sensor is defective. Only for heat pump model
Room temp. thermistor RTH is defective
Open
Measurement of Insulation Resistance for Electrical Parts
Power Cord and Unit
Checking Electrical Components
Measurement of Insulation Resistance
Checking Thermistor
Checking Motor Capacitor
Checking Fan Motor Winding
Checking Compressor Motor Winding
Removing Electrical Component Box
Disassembly Procedure
Removing Front Grille
Removing Wall Sleeve
Removing Electric Heater
Removing Evaporator
Removing Blower Wheel
Removing Propeller Fan
Removing Condenser
Removing Fan Motor
Function
Room Temperature Control
Cooling
Heating
Heat Pump Model Model STB0823H1
Heating Except during defrosting operation
Defrosting Mode Timing Chart
Heat Pump Model Model STB0823H1 Defrosting Flowchart
Defrosting Operation Heating
Heat Pump Model STB0823H1
Appendix
Fan Switch
Sanyo Hvac Service Center
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