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Installation manual English R410A Split series Installationsanleitung Deutsch Split-Baureihe R410A Manuel d’installation Français Série split R410A Models Montagehandleiding Nederlands R410A Split-systeem FLXS25BVMB FLKS25BVMB FLXS35BVMB FLKS35BVMB Manual de instalación Español Serie Split R410A FLXS50BVMB FLKS50BVMB FLXS60BVMB FLKS60BVMB Manuale d’installazione Italiano Serie Multiambienti R410A...
Safety Precautions • Read these Safety Precautions carefully to ensure correct installation. • This manual classifies the precautions into WARNING and CAUTION. Be sure to follow all the precautions below: they are all important for ensuring safety. WARNING....Failure to follow any of WARNING is likely to result in such grave consequences as death or serious injury. CAUTION....Failure to follow any of CAUTION may result in grave consequences in some cases.
Before Installing the Indoor Unit Perform the following before installing the indoor unit. 1) Open the air inlet grille and the screw cover, and remove the 7 screws. 2) Release the claws in the 3 places indicated. 3) Release the center hook and remove the front panel. Screw cover 4) Release the claws in the 2 places indicated and remove Electric...
Indoor Unit Installation Drawings There should be no space Space for installation work between ceiling and the unit. Min. (200mm) Space for installation work Min. (200mm) 50mm or more Air filters from walls Mounting plate The mounting plate Screws should be installed on a wall which can (Field supply: M4 ×...
Indoor Unit Installation Drawings Ceiling mounting. Local drain pipe Rear side pipinghole ø65mm Ceiling Ceiling Wall *1 Determine the position of the Rear side drainhose hole ø40mm feed-through hole so that the local piping is placed in a 1,050 downward sloping direction. Right side piping hole ø65mm Drain hose...
Indoor Unit Installation Ceiling Mounting Installing the suspension bolt. 1) Install the suspension bolt so that it can support the indoor unit; adjust distance to ceiling before installation. 2) Mount the indoor unit according to the installation drawings and tighten it securely with M10 nut. (4 places) 3) After mounting the indoor unit on the ceiling, install each part as shown in the diagram on the right.
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Indoor Unit Installation Wall Mounting Installation. • Install the indoor unit on the wall according to the installation drawings. 1) Hang the indoor unit on the hooks of mounting plate. (2 places) 2) Fix the three holes in the lower portion of the indoor unit with M4 × 25L screws. Mounting plate J Side cover (6 claws)
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Installing indoor unit. 1) Connect the extension auxiliary pipe ( , supplied) to the local pip- Note: ing. Remove the bottom frame cover for right-back piping before installing the indoor unit. (Applies to both ceiling mounting and wall mounting units.) 2) Prepare the local piping at the connection point for the drain pipe, as shown in the installation drawings.
Indoor Unit Installation Insulation of refrigerant pipes. After checking for refrigerant leaks • Joints in liquid pipe and the gas pipe must be insulated with heat insulation tube attached with binding bands. • Cut heat insulation tube to appropriate length. Binding band Heat insulation tube Drain piping.
Refrigerant Piping Work , install as described in the installation manual supplied with the Multi outdoor unit. With a Multi indoor unit Flaring the pipe end. 1) Cut the pipe end with a pipe cutter. (Cut exactly at right angles.) Remove burrs 2) Remove burrs with the cut surface facing down- ward so that the chips do not enter the pipe.
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Refrigerant Piping Work 2-2. Selection of Copper and Heat Insulation materials Inter-unit wiring • When using commercial copper pipes and fittings, observe the following: Gas pipe 1) Insulation material: Polyethylene foam Liquid pipe Heat transfer rate: 0.041 to 0.052W/mK (0.035 to 0.045kcal/mh°C) Refrigerant gas pipe’s surface temperature reaches 110°C max.
Trial Operation and Testing Trial operation and testing. 1-1 Measure the supply voltage and make sure that it falls in the specified range. 1-2 Trial operation should be carried out in either cooling or heating mode. ■ For Heat pump •...
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Two-dimensional bar code is a code for manufacturing. 3P171284-2D M02B074J (1010) HT...
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