Heat Controller Inverterflex Series Owners Manual
2014-07-19
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OWNER’S MANUAL VMH 09/12/18/27/36 InverterFlex Version C Single, Dual, Tri or Quad Zone Ductless Mini-Split System Heat Controller, Inc. • 1900 Wellworth Ave. • Jackson, MI 49203 • (517)787-2100 • www.heatcontroller.com VMH InverterFlex Mini-Split OWNER’S MANUAL Heat Controller, Inc. Table of Contents Safety Precautions Warning....................................................................................................2 Caution.....................................................................................................2 Operating Instructions Identification of Parts................................................................................3 Display and Remote Controller Features..................................................4 Operating Conditions and Manual Operation...........................................5 Airflow Direction Control...........................................................................6 Operation Modes......................................................................................7 Care and Maintenance Care and Maintenance.............................................................................9 Operation Tips Typical Operational Occurrences............................................................ 11 Troubleshooting Tips Troubleshooting Tips...............................................................................13 ! Caution • Contact an authorized service technician for repair or maintenance of this unit. • Contact the installer for installation of this unit. • Installation work must be performed in accordance with local and national electrical codes and standards by authorized personnel only. 1 Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split 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 classified 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. Meanings of symbols used in this manual are as shown below: ! ! WARNING! ! CAUTION! Never do this. Always do this. • Do not attempt to install this air conditioner by yourself. • This unit contains no user-serviceable parts. Always consult authorized service personnel for repairs. • Do not insert fingers or objects into the outlet or intake grilles. • Do not start and stop air conditioner operation by disconnecting the power supply. • Take care not to damage the power supply wiring. • In the event of a malfunction (burning smell, etc.), immediately stop operation, disconnect the power supply, and consult authorized service personnel. • Provide occasional ventilation during use. • Do not direct air flow at fireplaces or heating apparatus. • Avoid installing the air conditioner near a fireplace or other heating apparatus. • Do not climb on, or place objects on, the air conditioner. • Do not hang objects from the indoor unit. • Do not set flower vases or water containers on top of the air conditioner. • Do not expose the air conditioner directly to water. • Do not operate the air conditioner with wet hands. • Turn off power source when not using the unit for extended periods. • Do not drink the water drained from the air conditioner. • Connection valves become hot during Heating; handle with care. • Do not apply any heavy pressure to evaporator fins. • Operate only with air filters installed. • Do not block or cover the intake or outlet grille. • Ensure that any electronic equipment is at least 3 feet (1m) away from either the indoor or outdoor units. • Do not use inflammable gases near the air conditioner. 2 VMH InverterFlex Mini-Split OWNER’S MANUAL Single-quad zone Air filter Single to tri zone Remote Controller Single-dual zone Base valves Grille 3 Heat Controller, Inc. Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split Display Window and Features: (For heat pump models only): mode. Displays the selected fan speed: Displayed when TURBO function is selected in cooling or in heating modes. This air conditioner is equipped with an ionizer, which generates ions to remove microscopic particles from the air. Rooms become healthier for those suffering from asthma or allergies with the use of this feature. This display is separated into five zones. Each zone illuminates based on the compressor’s frequency. For example, higher frequency will illuminate more zones. Displays the current set temperature when the air conditioner is in operation. When SELF CLEAN feature is activated, its displays “SC”. Remote Controller Features The remote controller comes with a FOLLOW ME feature which allows the remote controller to act as a thermostat. This allows the unit to sense the temperature at the location of the remote controller, rather than sensing the temperature at the indoor unit. The indoor unit is installed high on a wall, thus the thermostat on the remote controller will provide a more accurate temperature reading for the room. Consult the remote controller manual for more information. 4 VMH InverterFlex Mini-Split Heat Controller, Inc. OWNER’S MANUAL NOTE: This manual does not include Remote Controller Operations, see the <> packaged with the unit for details. See chart below for operating conditions: Mode Cooling Heating Dehumidification Ambient Operating Conditions Temp Fahrenheit 5 to 122 =62.6 5 to 93.2 =86 5 to 122 >50 Outdoor Indoor Outdoor Indoor Outdoor Indoor Celsius -15 to 50 =17 -15 to 34 =30 -5 to 50 >10 Operating Conditions: When cooling is needed year round, including when outdoor temperatures are apt to fall below freezing, our V Series inverter driven ductless mini-split systems will continue to work, as they come with factory installed low ambient controls. The low ambient feature works by regulating the head pressure by varying the amount of air flow through the condenser, which helps to prevent evaporator freeze ups and low pressure problems due to low ambient outdoor temperatures. Low ambient operation is a great feature for temperature/humidity sensitive environments or applications such as server/computer rooms, supermarkets, restaurants, or cooling tower fans. Additionally, a crank case heater is required and factory installed, as it is needed for use with the low ambient controls. The crank case heater minimizes liquid refrigerant migration to the compressor when the compressor is not operating and helps to keep the compressor oil warm enough so that it remains fluid to prevent slugging. Crank case heaters also assist to greatly reduce heat loss to ambient air. Together, the lower ambient feature combined with the factory installed crank case heater, will not only allow the air conditioner to cool year round, but will also prevent compressor failure in low ambient conditions. Manual Operation: Manual operation can be used temporarily to run the unit without using the remote controller. This feature can also be used to test the unit during installation and troubleshooting by an authorized service technician. 1 2 3 Open and lift the front panel up until it stops and makes a clicking sound. By pressing the manual control button, the unit will be placed into forced AUTO operation mode. Close the panel firmly to its original position. CAUTION • Once you push the manual button, the operation mode will change in the following order: AUTO COOL OFF • By pushing the button twice, the unit will be placed into forced COOL mode, which can be used for testing purposes. • By pushing the button a third time, the air conditioner will stop operating and turn off. • To restore use of the remote controller to control the unit, simply begin to operate the unit with the remote controller. 5 Heat Controller, Inc. OWNER’S MANUAL ( C) VMH InverterFlex Mini-Split NOTE: The remote controller provided with your unit may differ in appearance. Please refer to the < > supplied with the unit to operate the unit properly. To set the vertical (up-down) air flow direction Perform this function while the unit is in operation. Press the SWING button on the remote controller to move the louver to the desired direction. The angle of the horizontal louver moves 6° for each press of the button. To set the horizontal (left-right) air flow direction Adjust the vertical louver manually using the lever on the left or right side of the vertical louver arm (depending on model). Take care not to catch fingers on the fan, horizontal louver or to damage vertical louvers. Move the lever to the desired position to direct air flow. • Hold the SWING button without releasing it for more than 2 seconds. The horizontal louver will swing up and down automatically. • To stop the function, press the SWING button again. The swing function will be disabled when the air conditioner is not in operation (including when the TIMER ON is set). button 6 VMH InverterFlex Mini-Split OWNER’S MANUAL Heat Controller, Inc. 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. ECONOMY/SLEEP operation 2°F 2°F • When you push ECONOMY button on remote controller it activates SLEEP mode. During cooling, heating (heat pump only), or AUTO operation, the air conditioner will automatically increase (cooling) or decrease (heating) 2°F (1°C) per hour. • The set temperature will become steady 2 hours later. • The SLEEP mode will turn off after 7 hours and revert back to the previous settings. • The fan speed will be automatically controlled. • This feature can maintain the most comfortable temperature and save more energy during use. 2°F 2°F DRY MODE/DEHUMIDIFYING operation: • The temperature is regulated while dehumidifying by repeatedly turning on and off of the cooling operation or fan only. The fan speed will be automatically controlled. In this mode, if the room temperature is lower than 50°F (10°C) the compressor will stop. The compressor will restart when the room temperature is above 53.6°F (12°C). Optimal Usage Tips: To achieve optimal performance, please note the following: • Adjust the air flow direction correctly so that it is not directed directly blowing on people/animals. • Adjust the temperature to achieve the highest comfort level. Do not adjust the unit to excessive temperature levels. • When in COOL or HEAT modes close any open doors and windows within the room that the unit is operating in to increase performance. • Use TIMER ON button on the remote controller to select a time you want to start your air conditioner. • Do not put any objects near air inlet or air outlet, as the efficiency of the air conditioner may be reduced and the air conditioner may stop running due to air flow blockages. • Clean the air filter periodically, otherwise cooling or heating performance may be reduced. • Do not operate unit with louvers in a closed position • SUGGESTION: For units with an electric heater, when the outside ambient temperature is below 32°F (0°C), we strongly recommend that you keep the unit powered on in order to guarantee it runs smoothly. 7 Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split While simultaneously operating indoor units, a second, third or fourth unit can not be operated in a mode conflicting to that of the primary unit. The unit initially started is considered the primary unit. In the circumstance that the operable modes are conflicting with each other, the TIMER lamp and DEF lamp located on the display panel of the non-primary units will flash at the rate of 5 times per second. This can be rectified through changing the operating mode of the conflicting unit(s). When on of the three indoor units shifts to heating, the other two indoor units will stop cooling operation and shift to FAN ONLY (the operation light will remain on). When the primary unit shifts to cooling operation, the other units will restart cooling automatically. 8 VMH InverterFlex Mini-Split OWNER’S MANUAL Heat Controller, Inc. NOTE: Supply power must be disconnected before cleaning the indoor unit. 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. Never use water hotter than 104°F (40°C) to clean the front panel. It could cause deformation or discoloration. Hold the handle of the air filter and lift it up slightly to take it out from the filter holder, then pull it downwards. Clean the filter with a vacuum cleaner or with warm water. Be sure it is thoroughly dry before replacing. 9 Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split 4. Remove the Air Freshening Filter (optional filters: plasma dust collector/silver ion filter/bio filter/vitamin C filter) from it support frame. The installation and removing method of the air freshening filter is different depending on the models. See the pictures marked 1 and 2 on the left. • Clean the air freshening filter at least once a month, and replace it every 4-5 months. • Clean it with a vacuum cleaner, then dry it in a cool place. 5. Install the air freshening filter back into position. 6. Insert the upper portion of the air filter back into the unit taking care that the left and right edges line up correctly when placing filter into position. Maintenance If you do not plan on use the unit for a long period of time: 1. Clean the indoor unit and air filter. 2. Select FAN only mode, let the indoor fan run for a while to dry the inside of the unit. 3. Disconnect the power supply and remove the batteries from the remote controller. 4. Check components of the outdoor unit periodically. Contact a local dealer or an authorized servicer if the unit requires servicing. NOTE: Before you clean the air conditioner, be sure to switch the unit off and disconnect the power supply. When the air conditioner is to be used again: • Use a dry cloth to wipe off the dust accumulated on rear air intake grille in order to avoid the dust blowing out from the outdoor unit. • Check that the wiring is not broken off or disconnected. • Check that the air filter is installed. • Check if the air outlet or inlet is blocked after the air conditioner has not been used for a long time. 10 VMH InverterFlex Mini-Split OWNER’S MANUAL Heat Controller, Inc. 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 HEAT mode, when the indoor heat exchanger is in one of the following three situations and the set temperature has not been reached. A) When heating has just starting. B) Defrosting is occurring C) Low temperature heating is occurring Defrosting (Cooling and heating models only) • The indoor or outdoor fan stop running when defrosting (heat pump models only). • Frost may accumulate on the outdoor unit during heat cycle when outdoor temperature is low and humidity is high, resulting in lower heating efficiency of the air conditioner. • During this condition, air conditioner will stop the heating operation and start defrosting automatically. • Defrost time may vary from 4 to 10 minutes according to the outdoor temperature and the amount of frost buildup on the outdoor unit. 2. Mist or steam are being emitted • A white mist may emit from the indoor unit due to a large temperature difference between air inlet and air outlet in COOL mode in an indoor environment that has a high relative humidity. • A white mist may emit due to moisture generated from the defrosting process when the air conditioner restarts in HEAT mode operation after defrosting. 3. Typical sounds • You may hear a low hissing sound when the compressor is running or has just stopped running. This sound is the sound of the refrigerant flowing or coming to a stop. • You can also hear a low “squeak” sound when the compressor is running or has just stopped running. This is caused by heat expansion and cold contraction of the plastic parts in the unit when the temperature is changing. • A noise may be heard due to louver restoring its original position when power is first turned on. • A sizzling sound may be heard occasionally when the unit is defrosting. 4. Dust is blown out from the indoor unit • This is a normal condition when the air conditioner has not been used for a long time or during first use of the unit and an accumulation of dust has formed on the unit’s outlet. Cleaning dust off of the unit before operation will prevent this. 5. A peculiar smell comes out from the indoor unit • This is caused by the indoor unit giving off smells permeated from building material, from furniture, or smoke. A burning smell could mean there is something wrong with the unit. Power off the unit and call an authorized servicer. 6. Operating mode changes to FAN ONLY mode • When the indoor temperature reaches the temperature set point on air conditioner, the compressor will stop automatically, and the air conditioner mode changes to FAN only mode. The compressor will start again when the indoor temperature rises above the set point in the COOL mode or falls below the set point in the HEAT mode (heat pump only models). 11 Heat Controller, Inc. OWNER’S MANUAL VMH InverterFlex Mini-Split 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. When the outdoor temperature falls, heat drawn in by the air conditioner decreases accordingly. At the same time, the heat load of the air conditioner increases due to larger difference between indoor and outdoor temperature. If a comfortable temperature can’t be achieved by the air conditioner, we suggest you use a supplementary heating device. 9. Auto-restart function • Power failure during operation will stop the unit completely. • For units with the Auto-restart feature, when the power restores, the unit restarts automatically using the previous settings preserved by the memory function of the unit. Timer settings may need to be adjusted after a power failure. 10. Electrical interference • Electronic equipment which uses wireless radio transmitters within 3 ft (1m) of the air conditioning unit may cause the unit to malfunction. Disconnect the unit with power and then re-connect the unit with power again. Push the ON/OFF button on the remote controller to restart operation. Ensure that the air conditioner unit is as far away from any electronic interference sources as possible, otherwise wireless interference can occur. 12 VMH InverterFlex Mini-Split OWNER’S MANUAL Heat Controller, Inc. Troubleshooting Tips Stop the air conditioner immediately if one of the following errors occurs. Disconnect the power and contact an authorized servicer. If any of the following error codes appear on the LED window, disconnect the power and contact an authorized servicer: E0, E1, E2, E3, E4, E5, E6, E7, E8, P0, P1, P2, P3, P4. Call for service if Fuse blows or circuit breaker trips frequently Other abnormal situations (such as burning smells) that can’t be resolved using the steps outlined below. Symptoms Unit does no start or operate at all Possible Cause/Things to Check What should be done? Is there power supplied to the unit? Wait for the power to be restored or call an electrician to address any power supply problem. Fuse may have blown out or a circuit breaker has been tripped. Replace the fuse or flip the circuit breaker. Batteries in remote controller may be dead Replace the batteries and ensure the polarities or installed incorrectly. are correct. Is the unit’s timer set? Wait or cancel timer setting. Inappropriate temperature setting. Set temperature correctly. Air filter may be blocked Poor cooling or heating (heat pump Doors or windows are open. models only) performance Air inlet or outlet of indoor or outdoor unit are blocked. Compressor time delay has been activated Clean the air filter to prevent air flow blockages. Close the doors or windows within the area being cooled/heated to increase efficiency and performance. Clear obstructions away, then restart the unit. Wait approximately 3 minutes for the compressor to turn on and the unit to begin cooling/heating. If the problem persists after performing these checks, or if you notice burning smells, or the operation indicator light flashes repeatedly, immediately stop operation, disconnect the power, and call an authorized service center. 13 09/2010 04/2009
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