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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.com
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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 Contro
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Heat Contr oller, 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: This symbol indicates the possibility of death or serious injury. WARNING! ! This symbol indicates the possibility of injury or damage to property. CAUTION! ! Meanings of symbols used in this manual are as shown b
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SMA/SMH OWNER’S MANUAL Heat Controller, Inc. The display panel of the indoor unit will look like one of the following: The display panel of the indoor unit will look like one of the following: 4 4 5 5 4 5 2 2 1 1 3 3 2 2 NOTE: For cooling only m odels ≥18000Btu/h indicator light is for F AN ONLY, not defrost. NOTE: For cooling only models ≥18000Btu/h indicator light is for F AN ONLY, not defrost. AUT AUTO indicator O indicator This indicator illuminates when the air conditioner is in T
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Heat Contr oller, Inc. OWNER’S MANUAL SMA/SMH 3 TEMPERATURE indicator Displays the temperature settings when the air conditioner is operational. 4 OPERATION /POWER indicator This indicator after power is on and illuminates when the unit is in operation. The operation in- dicator lights rapidly times per second) when safety protection features come into operation. 5 TIMER indicator This indicator illuminates when the TIMER is set ON/OFF. 4
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SMA/SMH OWNER’S MANUAL Heat Controller, Inc. 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 con- trols. The low ambient feature works by regulating the head pressure by varying the amount of air flow through the condenser
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Heat Controller, Inc. OWNER’S MANUAL SMA/SMH AUTO operation • When you set the air conditioner to AUT O mode, it will auto- matically 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 AUT O mode is uncomfortable, you can change desired tem
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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 . 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. The vertical louver can be moved at a range of 6° for each press of the swing button, and if V ert
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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. Anti-cold air (heat pump models only) • The unit is designed not to blow cold air in HEA T mode, when the indoor heat exchanger is
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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: W ater 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 uni
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Heat Controller, Inc. OWNER’S MANUAL SMA/SMH Care and Maintenance Cleaning the Grille, Case and Remote Controller • T u r n t h e s y s t e m o f f b e f o r e c l e a n i n g . T o c l e a n , w i p e w i t h a s o f t , d r y c l o t h . D o n o t u s e b l e a c h o r a b r a s i v e s . 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
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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 . OPERA TION indicator light flashes rapidly (5 times every second) and this can’t be fixed by dis- connecting the power and then reconnecting it. Call for Fuse blows or circuit breaker trips frequently service if Other abnormal situations (such as burning smells)
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