Page 2 - When Wiring; Place of Installation; When Servicing
IMPORTANT!Please Read Before Starting This air conditioner meets strict safety and operatingstandards. As the installer or service person, it is animportant part of your job to install or service the system so itoperates safely and efficiently. For safe installation and trouble-free operation, youmu...
Page 3 - HOW TO USE THIS MANUAL; functioning well, and keep your customer satisfied.; SANYO 26 ̋ THROUGH THE WALL A/C MODEL IDENTIFICATION; Type; N O T E
ii HOW TO USE THIS MANUAL This manual is designed to help service personnel to understand basic functions, operation and possible troubles and their remedies on SANYO 26˝ Through The Wall Air Conditioner. You can use this manual both as a reference to find specific information about the capacity, co...
Page 4 - Table of Contents; Page; APPENDIX
iii Table of Contents Page 1. OPERATING RANGE ............................................................................................................................... 1 2. SPECIFICATIONS 2-1. Unit Specifications ....................................................................................
Page 6 - Models
2 2. SPECIFICATIONS 2-1. Unit Specifications Model Number STB0810C1 STB1010C1 STB1020C1 STB1220C1 Voltage (V) 115 115 230 / 208 230 / 208 Performance COOLING Cooling Capacity BTU/h 8,200 10,200 9,700 / 9,500 11,500 / 11,300 Air Flow....Hi CFM (CMM) 270 (7.65) 270 (7.65) 270 (7.65) 270 (7.65) Dihumid...
Page 10 - Room Thermostat
6 2-3. Other Component Specifications Models STB0810C1 STB1010C1 STB1020C1 STB1220C1 STB0811C1 STB1023C1 STB1123C1 STB0823H1 Room Thermostat YTB-2U136 YTB-2U358 Model STB1020C1 STB0810C1 STB0811C1 STB1023C1 STB1220C1 STB1010C1 STB1123C1 Openrating temp. Cold °F ON: 65 / OFF: 61±3 (Diff: 4 Deg) Warm ...
Page 11 - Front view; Wall Sleeve Dimension
7 3. DIMENSIONAL DATA Models STB0810C1 STB1010C1 STB1020C1 STB1220C1 STB0811C1 STB1023C1 STB1123C1 STB0823H1 21 - 1 / 2 " 25 - 15 / 16 " 15 - 3 / 4 " Front view Top view Side view 26 - 1 / 8 " ■ Wall Sleeve Dimension 26 " 16 - 7 / 8 " 15 - 3 / 4 " 15 - 5 / 8 " ■ Dimen...
Page 12 - REFRIGERANT FLOW DIAGRAM; Model
4. REFRIGERANT FLOW DIAGRAM C o m p re s s o r 4-wayvalve Accumulator O u td o o r h e a t e x c h a n g e r In d o o r h e a t e x c h a n g e r Cooling cycle Heating cycle Capillary tube Capillary tube Checkvalve Model STB0823H1 Compressor Accumulator C o n d e n s e r E v a p o ra to r Capillary ...
Page 21 - Outdoor ambient temperature (; ... Point of rating condition
5-2. Heating Capacity (Heat pump Performance) Model STB0823H1 17 Outdoor ambient temperature ( ° F DB) 0 10 20 30 40 50 60 70 80 90 100 110 120 H e a ti n g c a p a c it y r a ti o ( % ) 47 50 60 40 30 20 17 1) ● … Point of rating condition Black dot in the chart indicates the following rating condi...
Page 22 - Cooling only models
6. ELECTRICAL DATA 6-1. Electrical Characteristics Model STB0810C1 Model STB1010C1 Model STB1020C1 Model STB1220C1 Outdoor Unit Complete Unit Fan Motor Compressor Performance at 230 / 208V 1-phase 60Hz Rating Conditions Running Amps. A 0.61 / 0.64 5.49 / 5.96 6.1 / 6.6 Power Input kW 0.142 / 0.132 1...
Page 23 - Cooling & electric heating models
Model STB0811C1 Model STB1023C1 Model STB1123C1 Outdoor Unit Complete Unit Fan Motor Compressor Performance at 230 / 208V 1-phase 60Hz Rating Conditions Running Amps. A 0.61 / 0.64 5.39 / 5.86 6.0 / 6.5 Power Input kW 0.142 / 0.132 1.188 / 1.178 1.33 / 1.31 Full Load Conditions Running Amps. A 0.61 ...
Page 24 - C O O L I N G; Heat pump model
20 Model STB0823H1 C O O L I N G Outdoor Unit Complete Unit Fan Motor Compressor Performance at 230 / 208V 1-phase 60Hz Rating Conditions Running Amps. A 0.61 / 0.64 3.59 / 3.86 4.2 / 4.5 Power Input kW 0.142 / 0.132 0.798 / 0.788 0.94 / 0.92 Full Load Conditions Running Amps. A 0.61 / 0.64 4.29 / 4...
Page 25 - To avoid electrical shock hazard, be sure to; LAYOUT FOR ELECTRIC PARTS
6-2. Electrical Wiring Diagrams 21 Models STB0810C1 STB1010C1 To avoid electrical shock hazard, be sure to disconnect power before checking, servicing and/or cleaning any electrical WARNING Room thermo Main switch Capacitor(FM) Fancycleswitch Capacitor(CM) Clip powercord Thermistor LAYOUT FOR ELECTR...
Page 32 - -1. Check before and after troubleshooting; Check that power is being supplied.; WARNING; Hazardous voltage can cause ELECTRIC
28 7. TROUBLESHOOTING 7-1. Check before and after troubleshooting 7-1-1. Check power supply. ● Check that voltage is in specified range (±10% of the rating). ● Check that power is being supplied. 7-1-2. Check lead wires and connectors. ● Check that coating of lead wires is not damaged. ● Check that ...
Page 33 - Set circuit breaker to OFF.; Window type air conditioner
7-2. Air conditioner does not operate. 7-2-1. Circuit breaker trips (or fuse blows). A. When the circuit breaker is set to ON, it is tripped soon. (Resetting is not possible.) ● There is a possibility of ground fault. ● Check insulation resistance. If resistance value is 2M Ω or less, insulation is ...
Page 34 - There is a possibility of short circuit.
B. Circuit breaker trips in several minutes after turning the air conditioner on. ● There is a possibility of short circuit. 7-2-2. Neither fan motor nor compressor motor runs. A. Power is not supplied. B. Check "MODE selector" on the control panel. C. Check transformer. (Only for heat pump ...
Page 36 - B. Check compressor and electrical parts.; can damage it. Wait at least 3 minutes or so before starting it again.
7-3-3. Only compressor unit does not run. A. Check setting temperature. B. Check compressor and electrical parts. ● If the unit is turned off during cooling, DO NOT restart it immediately, as this can damage it. Wait at least 3 minutes or so before starting it again. ● The compressor does not start ...
Page 38 - Thermistor Structure
7-5. If a sensor is defective. (Only for heat pump model) 7-5-1. Room temp. thermistor (RTH) is defective. A. Open When thermistor opens, the air conditioner will be in the following conditions as the controller tries to detect extremely low room temperature. a) In Cooling mode: The air conditioner ...
Page 39 - Resistance; Resistance for Electrical Parts; CHECKING ELECTRICAL COMPONENTS
35 8-1. Measurement of Insulation Resistance ● The insulation is in good condition if the resistanceexceeds 2M Ω . 8-1-1. Power Cord and Unit Clamp the grounding prong of the power plug with a lead clip of the insulation resistance tester and measure the resistance by placing a probe on either of th...
Page 41 - ) Pull the bottom part of the front grille toward you.; Box; (1) Remove knobs and the control panel from the; DISASSEMBLY PROCEDURE
37 9-1. Removing Front Grille 1) Pull the bottom part of the front grille toward you. (Fig. 1- ➀ ) 2) Lift up and unhook the grille to remove it. (Fig. 1- ➁ ) 9-2. Removing Wall Sleeve (1) While supporting the bottom part of the unit, pull it out of the wall sleeve. (Fig. 2) 9-3. Removing Electrical...
Page 43 - Blower wheel
39 (3) Lift the electrical heater up out of the unit. (Fig. 9) (4) Remove the 4 screws holding the electric heater and take off the evaporator’s casing plate. (Fig. 10) 9-5. Removing Blower Wheel (1) Remove the electric heater. Refer to “9-4. Removing Electric Heater.” (2) Loosen the bolt holding th...
Page 44 - Condenser
40 9-7. Removing Condenser (1) Remove the screws holding the condenser casing. (Fig. 14) (2) Remove the screws holding the condenser. (Fig. 15) (3) Hold the lower part of the condenser with both hands and tilt slightly, then lift up carefully to avoiddistorting the copper tube. 9-8. Removing Propell...
Page 45 - (3) Remove the 3 screws of the fan motor mounting; Fan motor
41 9-9. Removing Fan Motor (1) Remove the condenser. Refer to “9-7. Removing Condenser.” (2) Remove the propeller fan. Refer to “9-8. Removing Propeller Fan.” (3) Remove the 3 screws of the fan motor mounting plate. (Fig. 18) Fig. 18 Fan motor
Page 46 - Cooling; Compressor; Cooling Only Model
42 10. FUNCTION 10-1. Room Temperature Control Room temperature control is obtained by cycling the compressor ON and OFF. ■ Cooling ● Thermo. ON : When the room temperature rises above T + 4°F (T°F is set temperature). Compressor ➞ ON ● Thermo. OFF : When the room temperature falls below set tempera...
Page 47 - Cooling & Electric Heating Model
43 ■ Cooling ● Thermo. ON : When the room temperature rises above T + 4°F (T°F is set temperature). Compressor ➞ ON ● Thermo. OFF : When the room temperature falls below set temperature T°F. Compressor ➞ OFF ■ Heating ● Heater ON : When the room temperature falls below T – 4°F (T°F is set temperatur...
Page 48 - Heat Pump Model
44 ■ Cooling ● Once the compressor stops, it will not start running again for about 3 minutes. ● Thermo. ON : When the room temperature rises above T + 1°F (T°F is set temperature). Compressor ➞ ON ● Thermo. OFF : When the room temperature falls below set temperature T°F. Compressor ➞ OFF ■ Heating ...
Page 49 - provided by electric heater instead of by the heat pump.
45 10-2. Defrosting Operation (Heating) ■ Defrosting Flowchart ■ Defrosting Mode Timing Chart Once the air conditioner enters defrosting mode, it will not release defrosting until the outdoor heat exchanger coil temperature rises above 39°F. During this period, heat is provided by electric heater in...
Page 50 - Control Panel
■ Heat Pump Model Model STB0823H1 HIGH THERMOSTAT SELECTOR LOW OFF FAN HEAT COOLER WARMER Thermostat Mode selector HEAT LOW COOL HIGH COOL ■ Cooling & Electric Heating Model Models STB0811C1 STB1023C1 STB1123C1 HIGH THERMOSTAT SELECTOR LOW LOW OFF FAN FAN HEAT COOLER WARMER HEAT LOW COOL HIGH HI...
Page 51 - Fan switch; The location of Fan Switch differ according to models.; Fan Switch
Cooling Only Model Fan switch Cooling & Electric Heating Model Heat Pump Model Fan switch FAN CONT CYCLE CONT CYCLE The location of Fan Switch differ according to models. When set to CYCLE, fan operation synchronizes with that of compressor's (or heater's) thermo ON andthermo OFF, thereby saving...
