The document describes the AIRREX Heat Pump, models AHSC-42, AHSC-60, and AHSC-140, providing a comprehensive user's manual with safety instructions, technical specifications, usage features, and maintenance guidelines.
Function Description:
The AIRREX Heat Pump is a versatile device designed for both heating and cooling, functioning as a HEAT PUMP/AIR CONDITIONER+HEATER. It also offers dehumidification and fan-only modes. The unit is equipped with an intelligent control system that allows users to select various operating modes and set desired temperatures and timers. Its primary function is to regulate ambient temperature and humidity in indoor environments.
Important Technical Specifications:
The manual details three models: AHSC-42, AHSC-60, and AHSC-140, with varying capacities and power requirements.
The units are ETL listed (Intertek 3073615 US), ensuring compliance with safety standards.
Usage Features:
The device features a digital controller with an intelligent control system for user-friendly operation.
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Control Panel Functions:
- Power Button: Turns the unit on/off.
- VɅ Button: Adjusts temperature (raises/lowers) and sleep (off) timer.
- Mode Button: Selects between Cooling, Dehumidifier, and FAN modes.
- Heat Button: Selects heating mode.
- Off Timer: Sets the operating duration from 30 minutes to 24 hours (30-minute increments up to 10 hours, then 1-hour increments up to 24 hours). The display shows '.5' for 30 minutes and '1' for an hour.
- Room/Spot Temp. Display: Shows the current room/spot temperature.
- Setting Temp. Display: Shows the set temperature.
- Comp. LED: Illuminates when the compressor is operating.
- Error LED: Indicates error signals (E1: High Pressure, E2: Low Pressure, E3: Sensor problem, rP: Reverse Phase, E4: Compressor problem, E5: Cond Fan Motor problem, E6: Eva Fan Motor problem, E7: Heater problem, OH: Over Heat, AF: Anti Freezing).
- Display: Shows room temperature, setting temperature, and sleep time. 'LO' indicates below 32°F, 'HI' indicates over 99°F.
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Mode Changing Method:
- Cooling Mode: Press 'Mode' button, 'COOL' is displayed, LED is on.
- Dehumidifier Mode: Press 'Mode' button when cooling, 'dEHU' is displayed, LED is on.
- Fan Mode: Press 'Mode' button when dehumidifying, 'FAn' is displayed, LED is off.
- Heat Mode: Press 'HEAT' button, 'HEAt' is displayed, LED is on.
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Temperature Control Operation:
- Cool/Heat Mode: Displays setting temperature when turned ON, allows adjustment. The set temperature blinks 3 times.
- Cooling/Dehumidifier: Operates when room temperature is higher than the set temperature, stops when lower. Setting range: 64-86°F.
- Heating: Operates when room temperature is lower than the set temperature, stops when higher. Setting range: 68-99°F.
- Display Range: 32-99°F for both cooling/dehumidifier and heating modes.
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Lock/Unlock Feature: Press 'V' for 5 seconds when OFF to enter lock/unlock mode. Use 'Ʌ' to set 'UNLOCK' or 'LOCK'. A dot below the number indicates 'LOCK'.
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Temperature Unit Selection: When the Heat Pump is stopped, press 'V' and 'Ʌ' simultaneously for three seconds to switch between °F and °C.
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Safety Instructions (Warnings):
- Use a circuit breaker of appropriate capacity.
- Do not use a damaged power cable.
- Disconnect the unit before cleaning.
- Do not place anything on top of the machine.
- Do not use an extension cable.
- Do not kink or sharply bend the power cable, or put weight on it.
- Always turn off the control panel first, then the circuit breaker.
- Use on solid, flat surfaces only.
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Safety Instructions (Cautions):
- Do not place on uneven, unstable, or inclined surfaces.
- Store in a dry, cool place.
- Disconnect from power if not used for some time or during lightning.
- Do not spray water or use solvents (benzene, thinner, alcohol) for cleaning.
- Designed for indoor usage.
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General Advice Before Use:
- Ensure exhaust ducting is no longer than maximum efficiency.
- Ensure correct electricity supply; if the supply cable is damaged, it must be replaced by the manufacturer or qualified person.
- Ensure a safe location with a smooth, sound floor.
- Allow at least 20" (50cm) air space around the unit.
- Lock casters to prevent rolling.
- Dispose of waste electrical and electronic products separately from normal household waste, following local authority guidance.
Maintenance Features:
Regular maintenance is crucial for optimal performance and longevity.
- Cleaning Filter (AHSC-42/60):
- Remove the bolt.
- Detach the CABI FRONT LOWER.
- Pull the filter up to detach.
- Clean the filter.
- Reassemble in reverse order.
- Drying the Unit: After cleaning, completely dry the inside of the unit by operating it on 'Fan only' mode for 3 to 4 hours.
- Drainage: Use a 5/8" hose and apply a U-Trap for condensate water drainage. For AHSC-140, assemble a hose nipple (1/2"x19) for the condensate water outlet.
Accessories:
- AHSC-42/60:
- Cold Air: Aluminium Filter for Evaporator
- Hot Air Exhaust: Exhaust Chamber Ø400
- Cold Air Exhaust: Exhaust Chamber Ø300
- AHSC-140:
- Hot Air Exhaust: Exhaust Chamber Ø500
- Cold Air Exhaust: Exhaust Chamber Ø400
- Condensate Water Drain: Condensate Water Outlet Connect Pipe
- Handle
The manual also includes a warranty section, emphasizing the product's reliability and quality assurance. It outlines conditions for free repairs and requires proof of purchase. Contact information for the manufacturer (HEPHZIBAH CO., LTD. in Korea) and distributor (Airrex USA) is provided. The company maintains a policy of continual product improvement, so contents are subject to change without notice.
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