OWNER’S MANUAL SMA/SMH 09/12/18/24 Version C Single Zone Ductless Mini-Split System A/C and Heat Pump Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.
SMA/SMH OWNER’S MANUAL Heat Controller, Inc. Table of Contents Safety Precautions Warnings and Cautions................................................................ 2 Operating Instructions Part Names................................................................................... 3 Display Panel Identification....................................................... 3-4 Features and Functions............................................................. 5-6 Airflow Directional Control..............
Heat Controller, Inc. OWNER’S MANUAL SMA/SMH To prevent injury to the user, other people and/or to property, the following instructions must be followed. Incorrect operation due to ignoring these instructions may cause harm or damage. The seriousness is by the following indications: ! WARNING! ! This symbol indicates the possibility of death or serious injury. CAUTION! This symbol indicates the possibility of injury or damage to property.
SMA/SMH Heat Controller, Inc. OWNER’S MANUAL The display panel of the indoor unit will look like one of the following: 4 5 4 5 1 NOTE: For cooling only m odels≥18000Btu/h indicator light models 3 2 2 is for FAN ONLY, not defrost. AUTO indicator This indicator illuminates when the air conditioner is in AUTO operation.
Heat Controller, Inc. 3 4 5 OWNER’S MANUAL SMA/SMH TEMPERATURE indicator Displays the temperature settings when the air conditioner is operational. OPERATION /POWER indicator after power is on and illuminates when the unit is in operation. The operation inThis indicator rapidly times per second) when safety protection features come into operation. dicator lights TIMER indicator This indicator illuminates when the TIMER is set ON/OFF.
SMA/SMH Heat Controller, Inc. OWNER’S MANUAL Features and Functions: Low Ambient Operation and Crank Case Heater Feature: When cooling is needed year round, including when outdoor temperatures are apt to fall below freezing, our S Series ductless mini-split systems will continue to work, as they come with factory installed low ambient controls.
Heat Controller, Inc. OWNER’S MANUAL SMA/SMH AUTO operation • When you set the air conditioner to AUTO mode, it will automatically select cooling, heating (heat pump models only), or fan only operation depending on what temperature you have selected and the actual room temperature. • The air conditioner will control room temperature automatically around the temperature set point you select. • If the AUTO mode is uncomfortable, you can change desired temperature settings manually.
SMA/SMH OWNER’S MANUAL Heat Controller, Inc. Airflow Direction Control NOTES: • Use the remote controller to adjust the horizontal louver • Manually adjust the vertical louver. Vertical louver To set the vertical air flow(Up–Down) direction Perform this function while the unit is in operation. Use the SWING button on the remote controller to adjust the air flow direction.
Heat Controller, Inc. OWNER’S MANUAL SMA/SMH Typical Operational Occurrences The following events may occur during normal operation. 1. Protection of the air conditioner. Compressor protection • If the unit is stopped and then immediately restarted again, the compressor will not operate for about 3 minutes in order to protect the compressor.
SMA/SMH OWNER’S MANUAL Heat Controller, Inc. 7. Condensation • Dripping water may generate on the surface of the indoor unit when cooling in relatively high humidity. Adjust the vertical louver to the maximum air outlet position and select HIGH fan speed. NOTE: Water could drop onto the floor or objects below the indoor unit. 8. Heating mode (heat pump models only) • The air conditioner draws in heat from the outdoor unit and releases it via the indoor unit during heating operation.
Heat Controller, Inc. SMA/SMH OWNER’S MANUAL Care and Maintenance Cleaning the Grille, Case and Remote Controller • Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTE: Supply power must be disconnected before cleaning the indoor unit. ! CAUTION! • Do not use an overly wet cloth to clean the unit as it may damage the electronic components. A damp cloth can be used if needed.
SMA/SMH OWNER’S MANUAL Heat Controller, Inc. 4. Remove the air freshening filter (optional on some models) from its support frame • Clean the air freshening filter at least once a month with a vacuum clearner, and replace it every 4-5 months. 5. Install the air freshening filter back into position. 6. Insert the upper portion of air filter back into the unit taking care that the left and right edges line up correctly while placing the filter into its original position.
Heat Controller, Inc. OWNER’S MANUAL SMA/SMH Troubleshooting Tips Stop the air conditioner immediately if one of the following errors occurs. Disconnect the power and contact an authorized servicer. OPERATION indicator light flashes rapidly (5 times every second) and this can’t be fixed by disconnecting the power and then reconnecting it.
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