Doesn’t operate immediately Indoor unit If the unit is stopped and then immediately started again, the compressor will not operate for about 3 minutes, in order to prevent fuse blowouts. What sorts of things are covered under warranty? Parts Question Filter, Remote Controller, Controller Holder Answer Please ask your purchase retailer or dealer. If you can’t inquiry, contact our service in your area. Horse power is a power rating for the compressor; this does not take into account the actual cooling and heating performance of the system. This is calculated by dividing heating by the total electric power consumed during the same period. During oil recovery, the compressor ramps up and pushes any lingering oil back to the accumulator where it can be returned to the compressor. Downloads Question Catalog Operation manual Please ask your purchase retailer or dealer. If you can’t inquiry, contact our service in your area.
Check whether the liquid pipe and gas pipe valves are fully opened. NOTE: Be sure to tighten caps. Are the Remote Control Unit’s batteries loaded properly? Water is produced from Outdoor unit During Heating operation, water may be produced from the outdoor unit due to Automatic Defrosting operation. Some home appliances may require consideration and also any changes to floor plan or insulation should be considered. What happens if the unit is too small for the room? If a unit is too small for the room, the unit will be required to operate harder to achieve and maintain the desired temperature, which may cause extra wear and tear on its components and increase running costs. Page 20 2. The single phase power DC is converted into a three phase chopped DC voltage with a variable frequency. 3. When the frequency changes, the rotation speed of the compressor changes resulting in an changed refrigerant circu- lation. You should always choose your Air Conditioner according to the requirements of your room rather than just the power supply available. 3 phase Air Conditioners require a 3 phase power supply and are generally used for areas requiring a higher heating/cooling capability. Does a VRF system require Traps and Sight Glasses? Page 1: Room Air Conditioner Room Air Conditioner SVC MANUAL(General) MODEL : General Wall Mounted-Inverter Type CAUTION Before Servicing the unit, read the safety precautions in this SVC manual. Poor Cooling or Heating performance Indoor unit Is the air filter dirty? Is the air conditioner’s intake grille or outlet port blocked?
Also, noise may be particularly noticeable for about 2-3 minutes after starting operation (sound of coolant flowing). During operation, a slight squeaking sound may be heard. Because of efficient oil management, a VRF system does not require any traps or sight glasses. Page 24 If CT2 occurs 5 times in 1 hour,stop the operation and shows Error Code 22 Model Cooling (kBtu/h) (CT 1) 18~30 24 Room Air Conditioner „ 1 for more than 5 sec. then step down 1 more step. What is a Heat Recovery or Simultaneous VRF system? A heat recovery VRF system has the ability to cool one room (pull heat from one room) and distribute heat to another room. By doing this, the efficiency of the system is improved. Has a fuse blown out, or a circuit breaker been tripped? Is the timer operating?
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For the small amount of oil that makes its way into the system, a VRF system will go into “oil recovery” mode. Also, the fan and duct losses of a conventional system can add an additional 30% to the total energy consumption. How do I choose the best place to install a Ceiling Cassette Air Conditioner? Wall mounted indoor units (also known as High Wall Splits) are best positioned high on a wall that has suitable access for drainage. Noise is heard Indoor unit During operation and immediately after stopping the unit, the sound of water flowing in the air conditioner’s piping may be heard. This leads to changeable amount of the heat exchange per unit. 20 Room Air Conditioner 3Ø Comp. What is the best location to install the outdoor unit from my Split System? It is advised to install the outdoor unit in a safe, dry and well-ventilated area. What happens if the unit is too large for the room? If a unit is too big for the room, it will cause the unit to «short cycle», which means the output of the unit will ramp up and down too frequently. Answer It is not recommended to re-use the same piping and cable for new units as different systems have different piping and electrical requirements.
Page 44 Check that CN_FAN(A,B) supplied voltage to outdoor PCB is about AC 208V~230V. Check the electrical wiring diagram of Outdoor side. Please use the economatch on this kiosk to help you choose the right air conditioner for you. This smell is the result of room smells (furniture, tobacco, etc.) which have been taken into the a/c. Mist or steam are emitted Indoor unit During Cooling or Dry operation, a thin mist may be seen emitted from the indoor unit. The fan may operate at very low speed during Dry operation or when the unit is monitoring the room’s temperature. Toff=85°C(185°F) T2=75°C(167°F) T1=70°C(158°F) COMP frequency 22 Room Air Conditioner : No limitation on compressor frequency : Compressor will be off. See the section «To Use the ON timer or OFF timer» to set the desired mode and times. Constant speed compressor is ON after 10 seconds from the arrival time of 30 Hz (Option) frequency and is speed up its revolution till 100 Hz (Option) 2) Every EEV have 350 pulse (Option) of opening when starts defrosting operation. Each time the button is pressed the timer function changes in the follow- ing order: s CANCEL PROGRAM (OFF → ON, OFF ← ON) The indoor unit’s green TIMER Indicator Lamp (green) will light. 3 Use the TIMER SET buttons to adjust the desired OFF time or ON time. Can I put a cover over the front of my outdoor unit to make it less visible? Before you buy Question I live near the coast and am worried about the coil rusting? Please ask your installer for compatible models and information about any optional parts which may be required for this.
Make sure you meet any local council rules and/or regulations. This is beneficial for applications where there are multiple zones which have a large total capacity, but where every room will not call for heating/cooling at the same time. A VRF system can shift the load to the occupied rooms based on changes in demands. Page 6 (Earth position). If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s side. This is what makes inverter multi systems a good efficient option for conditioning your home. The sequence can involve one transition from OFF timer to ON timer, or from ON timer to OFF timer, within a twenty-four hour period. ● The first timer function to operate will be the one set nearest to the current time. This ensures that the conditioned air stays inside the desired area to maintain the temperature in your room that suits you. This drastically improves the efficiency of this system What is the Heating Seasonal Performance Factor (HSPF)? HSPF is the total heating output of a heat pump, including supplementary electric heat, necessary to achieve building heating requirements during its normal annual usage period. During Heating operation, if the room temperature rises above the thermostat setting, the outdoor unit will stop, and the indoor unit will operate at very low fan speed. If you wish to warm the room further, set the thermostat for a higher setting. About the Program timer ● The program timer allows you to integrate OFF timer and ON timer operations in a single sequence.