Haier Smart Power Series Service Manual

Also see for 1UH071N1ERG: Installation manual Installation manual Installation manual

135Smart Power(2) Multi-unit installation (unit: mm)(3) Multi-unit installation in front and back (unit: mm)StandardThe top and two side surfaces must be exposed to open space, and barriers on at least one side of the front andback shall be lower than the outdoor unit.• The installation service spaces shown in the illustrations are based on an air intake temperature of 35°C (DB) forCOOL operation. In regions where the air intake temperature regularly exceeds 35°C (DB) , or if the heat load ofoutdoor units is expected to regularly exceed the maximum operating capacity, reserve a larger space than thatindicated at the air intake side of units.• Regarding the required air outlet space, position the units with consideration to the space required for the onsiterefrigerant piping work as well. Consult your dealer if the work conditions do not match those in the drawings.7.3.3 Drain pipe disposal• Make sure the drain works properly.• In regions where buildups of snow can be expected, the accumulation and freezing of snow in the space betweenthe heat exchanger and external plate may lower operating efficiency• After punching the knock-out hole, the application of repair-type paint on the surface around the edge sections isrecommended to prevent rust.7.4 Refrigerant pipe size and allowable pipe lengthDANGERNOTICEINFORMATION• Piping an other pressure containing parts shall comply with the applicable legislation and shall be suitable forrefrigerant. Use phosphoric acid deoxidised seamless copper for refrigerant.• Installation shall be done by an installer, the choice of materials and installation shall comply with applicablelegislation. In Europe the EN378 is the application standard that shall be used.It is forbidden to discharge refrigerant into the atmosphere. Collect the refrigerant in accordance with the freoncollection and destruction law.To persons in charge of piping work:Be sure to open the stop valve after piping installing and vacuuming is complete. (Running the system with thevalve closed may break the compressor.)