SANYO Split System Air Conditioner

Product Lineup

SANYO offers a range of split system air conditioners with various configurations:

• Semi-Concealed (4-Way): THX1252, XHX1252, AHX0752, THX1852, XHX1852, AHX0952, THX2452, XHX2452, AHX1252, XHX3652
• Ceiling-Mounted (1-Way): KHX0752, KHX0952, KHX1252, KHX1852, KHX2452
• Wall-Mounted: KHX0752, KHX0952, KHX1252, KHX1852, KHX2452
• Concealed-Duct (Standard Static Pressure): UHX0752, UHX1252, UHX1852, UHX2452, UHX3652
• Concealed-Duct (High Static Pressure): DHX3652, DHX4852

Remote Controllers

SANYO offers various remote control options:

• Timer Wired Remote Controller: RCS-TM80BG (comes with its own Instruction Manual)
• Wireless Remote Controller (for U, D type): RCS-BH80AAB.WL
• Wireless Remote Controller (for X type): RCS-SH80AAB.WL
• Wireless Remote Controller (for A, T type): RCS-TRP80AAB.WL
• Wireless Remote Controller (for K type): RCS-SH1AAB

Product Information and Alert Symbols

For any issues or questions regarding your air conditioner, please have the following information ready: Model No. and Serial No. (found on the nameplate). You will also need the Date of purchase and Dealer's address and phone number.

Alert Symbols:

• WARNING: Indicates a hazard or unsafe practice that could result in severe personal injury or death.
• CAUTION: Indicates a hazard or unsafe practice that could result in personal injury or product or property damage.

Installation Location and Electrical Requirements

Installation Location:

• Installation should be performed by qualified technicians following the provided Installation Instructions.
• Ensure the supply voltage matches the unit's nameplate.
• WARNING: Do not install where flammable gases are present, in extremely humid spaces, or near high heat-generating objects.
• Avoid: Installing the outdoor unit where salty sea water can splash directly onto it or in areas with sulphurous air.

Electrical Requirements:

• All wiring must comply with local electrical codes. Consult a qualified electrician.
• Each unit must be properly grounded.
• Wiring must be done by a qualified electrician.
• To warm up the system, turn the power mains ON at least five hours before operation. Keep the power mains ON unless the appliance is not used for an extended period.

Safety Instructions

• Read the Instruction Manual carefully before use.
• Use the air conditioner only for its intended purpose.
• Never touch the unit with wet hands.
• WARNING: Never use or store gasoline or other flammable vapor or liquid near the air conditioner.
• CAUTION: This air conditioner does not have a fresh air intake. Frequently open doors or windows when using gas or oil heating appliances in the same room to prevent suffocation.
• Do not turn the air conditioner on/off using the power mains switch; use the ON/OFF operation button.
• Do not insert anything into the air outlet of the outdoor unit.
• Do not let children play with the air conditioner.
• Avoid extreme cooling or heating, especially if babies or invalids are present.

Wireless Remote Control Unit (Optional Parts)

Parts Name and Functions:

• A: ON/OFF operation button: Turns the air conditioner on and off.
• B: Transmitter: Transmits signals to the air conditioner.
• C: MODE button: Selects operating modes (AUTO, HEAT, DRY, COOL, FAN).
• D: Temperature setting buttons: Adjusts the temperature setting (▲ increases, ▼ decreases).
• E: FAN SPEED selector button: Selects fan speed (AUTO, HI., MED., LO.).
• F: FILTER button: Turns off the filter lamp after cleaning the filter.
• G: ADDRESS button: Sets addresses for controlling multiple indoor units.
• H: A/C SENSOR button: Switches between the remote control's sensor and the indoor unit's sensor for temperature detection.
• I: FLAP button: Sets the airflow direction (angle or sweep).
• J: TIMER SET button: Used for setting timer operations (OFF Timer, ON Timer).
• K: Time setting buttons: Adjusts timer settings.
• L: SET button: Confirms timer settings.
• M: CL button: Clears timer settings.
• N: VENTILATION button: Controls an connected ventilation fan.
• O: Remote control sensor: Receives signals from the transmitter.
• P: ACL button (ALL CLEAR): Resets the remote control unit to its pre-operation status.
• Q: Slide switch: Sets the operation mode and flap settings.

Operation Modes:

• AUTO: Automatically sets cooling or heating.
• HEAT: Normal heating operation.
• DRY: Dehumidifying without changing room temperature.
• COOL: Normal cooling operation.
• FAN: Fan only operation.

Slide Switch Functions: The slide switch is used to set operation modes and flap settings. Different models have different flap display settings.

Installing Batteries:

1. Remove the battery cover.
2. Install two AAA alkaline batteries, observing polarity.
3. Press the ACL button.

Battery Replacement: Batteries last about a year. Replace when the display fails or the unit is unresponsive. Use new, identical batteries. Remove batteries if the unit will not be used for a long time.

Using the Wireless Remote Control Unit:

• Point the transmitter at the signal receiver. A beep confirms signal reception.
• Signal reception range is approximately 26 ft.
• Ensure no objects block the signal path.
• Avoid placing the unit in direct sunlight, near heating appliances, or in the path of airflow.
• Do not drop, throw, or wash the unit.
• Signal reception may be affected by fluorescent lights with rapid start or inverter systems.

Address Settings

For multi-unit installations, the ADDRESS button allows separate control of up to six indoor units by matching address switches on the indoor unit and remote control. When batteries are replaced, the address setting reverts to "ALL".

How to check addresses: Pressing the ADDRESS button displays the current address. A buzzer sounds if the displayed address matches the signal receiver's address.

How to set the matching address:

1. Hold the ADDRESS button for 4+ seconds; "ADR" lights up, and the current address blinks.
2. Press the ADDRESS button to cycle through addresses (ALL → 1 → 6 → ALL). Match this to the indoor unit's address switch.
3. Press the SET button to confirm. The address remains displayed for 5 seconds. A buzzer confirms a match.

Address Switch Positions: Diagrams illustrate address switch settings for X, T, K, and A, U, D type units, showing how to set knobs or switches to match the remote control's address display.

Emergency Operation

Use the Emergency operation button for makeshift operation when the remote control is unavailable (dead batteries, failure, lost, or misplaced).

• X type: Use the button on the indoor unit's operation area.
• T type: Use the button on the signal receiver on the indoor unit.
• K type: Use the ON/OFF operation switch on the indoor unit.
• A, U, D type: Use the button on the signal receiver.

Operation: The air conditioner starts in cooling mode if the room temperature is 75°F or above, and in heating mode if below 75°F.

Shutdown: Press the Emergency operation button again (or set the ON/OFF switch to OFF for K type).

NOTE: The TEST function is for initial trial runs only. To resume remote control operation, ensure the ON/OFF switch is set to ON.

Troubleshooting

Before requesting service, check the following:

If problems persist, shut down operation, turn off the local power switch, and contact your dealer with the model number and symptoms. Note any blinking indicator lamps.

Adjusting the Airflow Direction

4-way (X) Type: Equipped with auto flaps. Set angle or sweep mode using the remote control. CAUTION: Do not move flaps by hand. Air outlet flap can be removed for washing.

Ceiling Mounted Type (T): Vertical directions (automatic) via remote control. CAUTION: Do not move flaps by hand. Horizontal directions (manual) by adjusting vanes.

Wall Mounted Type (K): Vertical directions (automatic) using FLAP button. CAUTION: Do not move flaps by hand. Avoid directing flap downwards more than 30° in cool mode to prevent condensation. Horizontal directions (manual) by adjusting vanes.

Semi-concealed Type (1-way A): Not equipped with auto flap (manual adjusting only). Adjust flap manually. In cool mode, align indicator with blue mark on label. In heat mode, align with red mark to prevent condensation.

Concealed Duct Type (U, D): Requires locally obtained air outlet parts. Refer to their manuals.

Adjusting Airflow for Multiple Indoor Units

Airflow direction cannot be set for 1-way (A) and concealed duct (D, U) types using the remote control.

For multi-unit systems, use the UNIT button to select individual units and set airflow direction. Display shows unit number (Outdoor Unit-Indoor Unit). "No display" allows setting for all units simultaneously.

Special Remarks

"DRY" Operation: Unit cycles on/off to maintain set temperature. Indoor fan turns off when unit stops. Fan speed defaults to "LO." and cannot be adjusted. "DRY" operation is not available if outdoor temperature is 59°F or less.

Heating Operation: Heating efficiency decreases at low outdoor temperatures. Use an auxiliary heating appliance if needed.

Defrosting: Frost may form on the outdoor coil at low temperatures, reducing heating performance. A microcomputer-controlled defrosting system activates, temporarily stopping the indoor fan (or running at low speed). The "STANDBY" indicator appears during defrosting. Heating resumes after a few minutes.

Cold Draft Prevention: During initial heating, the indoor fan may run at very low speed or not at all until the indoor heat exchanger warms up. The "STANDBY" indicator remains displayed.

Power Failure: If power is cut off, the unit will automatically resume operation with the previous settings once power is restored.

Setting the Timer

The timer can be set during air conditioner operation.

Recommended Usage & Display:

• OFF timer: Stops the unit automatically after a preset time.
• OFF cycle timer: Always stops the unit automatically after a preset time.
• ON timer: Starts the unit automatically after a preset time.

Time Indicator: Use the ▼ and ▲ buttons to set the time in 0.5-hour intervals (0.5 to 72.0 hours).

Timer Indicator Cycles: The timer cycles through OFF timer, OFF cycle timer, and ON timer each time the TIMER SET button is pressed.

Setting the OFF timer: Press ON/OFF, then TIMER SET to select OFF timer mode. Use ▼/▲ to set time (e.g., 3.5 hours). Press SET to confirm.

Setting the OFF cycle timer: Press ON/OFF, then TIMER SET twice for OFF cycle timer mode. Set time using ▼/▲. Press SET to confirm.

Setting the ON timer: Press ON/OFF, then TIMER SET to select ON timer mode. Set time (e.g., 10.5 hours) using ▼/▲. Press SET to confirm. The unit enters a paused state.

Canceling Timer Operation: Press the CL button to cancel the timer setting.