Daikin 2MXU40GV1B Installation Manual
Outdoor unit r410a split series
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Table of Contents
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Summary of Contents for Daikin 2MXU40GV1B
- Page 1 OUTDOOR UNIT INSTALLATION MANUAL R410A Split Series MODELS 2MXU40GV1B 2MXU50GV1B...
- Page 2 3SB64418-1...
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Page 3: Safety Precautions
Safety Precautions • The precautions described herein are classified as WARNING and CAUTION. They both contain important information regarding safety. Be sure to observe all precautions without fail. • Meaning of WARNING and CAUTION notices WARNING ..Failure to follow these instructions properly may result in personal injury or loss of life. CAUTION .. -
Page 4: Precautions For Selecting The Location
Accessories Accessories supplied with the outdoor unit: Installation Manual Refrigerant charge label Drain plug There is on the bottom packing case. There is on the bottom packing case. There is on the bottom packing case. Reducer assy (Only 50 class) Screw bag Humidifying hose cover (For fixing the wire retainer and... -
Page 5: Outdoor Unit Installation Drawings
Outdoor Unit Installation Drawings Precautions for humidifying hose installation work. • Moisture on the outdoor unit is brought to the indoor unit together with air around the outdoor unit during humidifying operation. Install the outdoor unit in a clean and calm location. •... -
Page 6: Connections (Connection Port)
Installation • Install the unit horizontally. • The unit may be installed directly on a concrete verandah or a solid place if drainage is good. • If the vibration may possibly be transmitted to the building, use a vibration-proof rubber (field supply). Connections (connection port). -
Page 7: Outdoor Unit Installation Guideline
Outdoor Unit Installation Guideline • Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below. • For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less. Walls facing two sides Wall facing one side More than 50... -
Page 8: Installing Outdoor Unit
Refrigerant Piping Work Installing outdoor unit. 1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” on page 2 and the “Outdoor Unit Installation Drawings” on page 3. 2) If drain work is necessary, follow the procedures below. Drain work. -
Page 9: Refrigerant Piping Work
Refrigerant Piping Work Purging air and checking gas leakage. WARNING 1) Do not mix any substance other than the specified refrigerant (R410A) into the refrigeration cycle. 2) When refrigerant gas leaks occur, ventilate the room as soon and as much as possible. 3) R410A, as well as other refrigerants, should always be recovered and never be released directly into the environment. -
Page 10: Charging With Refrigerant
Refilling the refrigerant. Check the type of refrigerant to be used on the machine nameplate. Precautions when adding R410A Fill from the liquid pipe in liquid form. It is a mixed refrigerant, so adding it in gas form may cause the refrigerant composition to change, preventing normal operation. 1) Before filling, check whether the cylinder has a siphon attached or not. - Page 11 Refrigerant Piping Work Precautions for Laying Refrigerant Piping Wall Be sure to place a cap. • Cautions on pipe handling Rain If no flare cap is 1) Protect the open end of the pipe against dust and moisture. available, cover the flare mouth 2) All pipe bends should be as gentle as possible.
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Page 12: Pump Down Operation
Pump Down Operation In order to protect the environment, be sure to pump down when relocating or disposing of the unit. 1) Remove the valve caps on the liquid and the gas stop valves at the pipes for rooms A and B. -
Page 13: Connecting The Humidifying Hose
Connecting the Humidifying Hose Connecting to indoor unit. Keep the following items in mind in order to prevent the degrading of humidification performance when connecting the humidifying hose to the indoor unit. 1) Cut the excessive portions of the humidifying hoses. * Determine the overall length of the humidifying hoses according to the installation manual for the indoor unit. - Page 14 Connecting to outdoor unit. There are 2 ways to connect humidifying hoses to the outdoor unit. <Back side> Connecting through the path under the humidifying hoses cover 1) Connect the humidifying hose (2m) to the humidifying duct on the back of the outdoor unit.
- Page 15 Wiring WARNING 1) Do not use tapped wires, stranded wires (CAUTION 1)), extension cords, or starburst connections, as they may cause overheating, electrical shock, or fire. 2) Do not use locally purchased electrical parts inside the product. (Do not branch the power for the drain pump, etc., from the terminal block.) Doing so may cause electric shock or fire.
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Page 16: Test Run And Final Check
Test Run and Final Check • Before starting the test run, measure the voltage at the primary side of the safety breaker. • Check that all liquid and gas stop valves are fully open. • Check that piping and wiring all match. Test run and final check. - Page 17 Two-dimensional bar code is a code for manufacturing. 3P234246-1 M08B112 (0901) HT...