MRCOOL A-24-HP-230B-MS - Manuals

Safety Precautions   Page 4 CAUTION • Turn off the air conditioner and disconnect the power if you are not going to use it for a long time. • Turn off and unplug the unit during storms. • Make sure that water condensation can drain unhindered from the unit. • Do not operate the air conditioner wit...

Safety Precautions   Page 5 WARNINGS FOR PRODUCT INSTALLATION 1. Installation must be performed by an authorized dealer or specialist. Defective installation can cause water leakage, electrical shock, or fire. 2. Installation must be performed according to the installation instructions. Improper i...

Safety Precautions  Page 6  E U Disposal Guidelines This appliance contains refrigerant and other potentially hazardous materials. When disposing of this appliance, the law requires special collection and treatment. Do not dispose of this product as household waste or unsorted municipal waste. Whe...

 Page 7  Unit Specifications and Features Unit Specifications and Featur es Indoor unit display Display Code Meanings Power Cable (Some Units ) Remote Control Remote Control Holder (Some Units) Functional Filter (On Back of Main Filter - Some Units) Louver Front Panel Display window (A) (B) (C) (D...

Unit Specifications and Featur es  Page 8  (E) Power Cable (Some Units ) Remote Control Remote Control Holder (Some Units) Functional Filter (On Back of Main Filter - Some Units) Louver Front Panel Display window Display window The unit has a build-in light sensor to detect the ambient brightness....

Unit Specifications and Featur es  Page 9  Operating temperature When your air conditioner is used outside of the following temperature ranges, certain safetyprotection features may activate and cause the unit to disable. Room Temperature 17°C-32°C (62°F-90°F) 0°C-30°C (32°F-86°F) 10°C-32°C (50°F-...

 Page 10  Unit Specifications and Featur es Other Features • Auto-Restart (some units) If the unit loses power, it will automatically restart with the prior settings once power has been restored. • Anti-mildew (some units) When turning off the unit from COOL, AUTO (COOL), or DRY modes, the air con...

 Page 11  Unit Specifications and Featur es Manual control button The horizontal angle of the airflow must be set manually. Grip the deflector rod (See Fig.B ) and manually adjust it to your preferred direction. For some units, the horizontal angle of the airflow can be set by remote control. plea...

 Page 12  Cleaning Your Indoor Unit BEFORE CLEANING OR MAINTENANCE ALWAYS TURN OFF YOUR AIR CONDITIONERSYSTEM AND DISCONNECT ITS POWER SUPPLYBEFORE CLEANING OR MAINTENANCE. CAUTION Only use a soft, dry cloth to wipe the unit clean. If the unit is especially dirty, you can use a cloth soaked in war...

 Page 14  Common Issues The following problems are not a malfunction and in most situations will not require repairs. Issue Possible Causes Unit does not turn on when pressing ON/OFF button The Unit has a 3-minute protection feature that prevents the unit from overloading. The unit cannot be resta...

 Page 15  Issue Possible Causes The outdoor unitmakes noises The unit will make different sounds based on its current operating mode. Dust is emitted from either the indoor or outdoor unit The unit may accumulate dust during extended periods of non-use, which will be emitted when the unit is turne...

 Page 17  Accessories The air conditioning system comes with the following accessories. Use all of the installation parts and accessories to install the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to fail. The items are not ...

 Page 18  Installation Summary -Indoor Unit Installation Summary - Indoor Unit Select Installation Location Attach Mounting Plate Determine Wall Hole Position 1 2 3 Drill Wall Hole 4 12cm (4.75in) 2.3m (90.55in) 12cm (4.75in) 15cm (5.9in) Mount Indoor Unit STEP 8 Wrap Piping and Cable (not applica...

 Page 19  Unit Parts NOTE ON ILLUSTRATIONS Illustrations in this manual are for explanatory purposes. The actual shape of your indoor unit may be slightly different. The actual shape shall prevail. NOTE: The installation must be performed in accordance with the requirement of local and national st...

 Page 20  Indoor Unit Installation Installation Instructions – Indoor unit PRIOR TO INSTALLATION Before installing the indoor unit, refer to the label on the product box to make sure that the model number of the indoor unit matches the model number of the outdoor unit. Step 1: Select installation ...

 Page 21  Indoor Unit Installation Step 3: Drill wall hole for connective piping 1. Determine the location of the wall hole based on the position of the mounting plate. Refer to Mounting Plate Dimensions. Wall Indoor Outdoor m m 7- 5 (0.2-0.275in) Fig.3.2 MOUNTING PLATE DIMENSIONS Different models...

 Page 22  Indoor Unit Installation Step 4: Prepare refrigerant piping The refrigerant piping is inside an insulating sleeve attached to the back of the unit. You must prepare the piping before passing it through the hole in the wall. 1. Based on the position of the wall hole relative to the mounti...

 Page 23  Indoor Unit Installation BEFORE PERFORMING ANY ELECTRICAL WORK, READ THESE REGULATIONS 1. All wiring must comply with local and national electrical codes, regulations and must be installed by a licensed electrician. 2. All electrical connections must be made according to the Electrical C...

 Page 24  Indoor Unit Installation 1. O pen front panel of the indoor unit. 2. Using a screwdriver, open the wire box cover on the right side of the unit. This will reveal the terminal block. Terminal block Wire cover Screw Cable clamp WARNING 3. Unscrew the cable clamp below the terminal block an...

 Page 25  Indoor Unit Installation Move to left or right 30-50mm (1.18-1.96in) 30-50mm (1.18-1.96in) UNIT IS ADJUSTABLE Keep in mind that the hooks on the mounting plate are smaller than the holes on the back of the unit. If you find that you don’t have ample room to connect embedded pipes to the ...

Outdoor Unit Installation  Page 26  Installation ev o ba ) ni 42 ( mc 06 60cm (24in) on right 30cm (12in) on left 200cm (79in) in front 30cm (12in) from back wall Installation Instructions – Outdoor unit Step 1: Select installation location Before installing the outdoor unit, you must choose an ap...

 Page 27  Outdoor Unit Installation Step 2: Install drain joint(Heat pump unit only) Before bolting the outdoor unit in place, you must install the drain joint at the bottom of the unit. Note that there are two different types of drain joints depending on the type of outdoor unit. If the drain joi...

 Page 28  Outdoor Unit Installation If you will install the unit on a wall-mounted bracket , do the following: 1.Mark the position of bracket holes based on dimensions chart. 2. Pre-drill the holes for the expansion bolts. 3. Place a washer and nut on the end of each expansion bolt. 4. Thread expa...

Outdoor Unit Installation  Page 29  Step 4: Connect signal and power cables The outside unit’s terminal block is protected by an electrical wiring cover on the side of the unit. A comprehensive wiring diagram is printed on the inside of the wiring cover. WARNING 1. Prepare the cable for connection...

 Page 30  Note on Pipe Length The length of refrigerant piping will affect the performance and energy efficiency of the unit. Nominal efficiency is tested on units with a pipe length of 5 meters (16.5ft)( In North America, the standard pipe length is 7.5m (25’). A minimum pipe run of 3 metres is r...

6. Place flaring tool onto the form. 7. Turn the handle of the flaring tool clockwise until the pipe is fully flared. 8. Remove the flaring tool and flare form, then inspect the end of the pipe for cracks and even flaring. Step 4: Connect pipes When connecting refrigerant pipes, be careful not to us...

 Page 32  Refrigerant piping Connection 2. Tighten the flare nut as tightly as possible by hand. 3. Using a spanner, grip the nut on the unit tubing. 4. While firmly gripping the nut on the unit tubing, use a torque wrench to tighten the flare nut according to the torque values in the Torque Requi...

 Page 33  Air Evacuation Preparations and Precautions Air and foreign matter in the refrigerant circuit can cause abnormal rises in pressure, which can damage the air conditioner, reduce its efficiency, and causeinjury. Use a vacuum pump and manifold gauge to evacuate the refrigerant circuit, remo...

 Page 34  Air Evacuation Note on Adding Refrigerant Some systems require additional charging depending on pipe lengths. The standard pipe length variesaccording to local regulations. For example, in North America, the standard pipe length is 7.5m (25’).In other areas, the standard pipe length is 5...

 Page 35  Electrical and Gas Leak Checks Electrical Safety Checks After installation, confirm that all electrical wiring is installed in accordance with local and national regulations, and according to the Installation Manual. BEFORE TEST RUN Check Grounding Work Measure grounding resistance by vi...

 Page 36  Test Run Instructions You should perform the Test Run for at least 30 minutes. 1. Connect power to the unit. 2. Press the ON/OFF button on the remote controller to turn it on. 3. Press the MODE button to scroll through the following functions, one at a time: • COOL – Select lowest possib...

 Page 37  Packing and unpacking the unit Instructions for packing and unpacking the unit: Unpacking:Indoor unit: 1.Cut the sealing tape on the carton with a knife, one cut on the left, one cut in the middle and one cut on the right. 2.Use the vice to take out the sealing nails on the top of the ca...

Advantage Series The design and specifications of this product and/or manual are subject to change without prior notice. Consult with the sales agency or manufacturer for details. ELECTRICIAN and/or HVAC TECHNICIAN: LICENSE #: INSTALLATION DATE: INSTALLATION LOCATION: SERIAL NUMBER: