Haier AC142ACBHA Operation Manual

Haier AC142ACBHA Operation Manual Manual pdf 19 page image

Installation proceduresPlace where air circulates.Place free from heat radiation from other heat sources.Place where drain water may be discharged.Place where noise and hot air may not disturb the neighbors.Place where there is not heavy snowfall in winter.Place where obstacles do not exist near the inlet air port and outlet air port.Place where the outlet port may not be exposed to a strong wind.Place surrounded at four sides are not suitable for installation. A 1m or moreof overhead space is needed for the unit.Mount guide-louvers to place where short-circuit is a possibllity.When installing several units, secure sufficient suction space to avoid short circuiting.2. Installation of outdoor unitNote (1)Place the concrete foundationdeep enough.Note (1)Give enough room for the concretefoundation to fix anchor bolts.Install the unit so that the angle of inclination must be less than 3 degrees.1.Selection of hte place of installationSelect the place of installation satisfying the following conditions and, at the same time,obtain consent from the client or user.Fix the unit in a proper way according to the condition of a place where it is installed byreferring to the following.Fig. 2217(3) Limitations for one way piping length andvertical height difference.(2) Piping sizeInstall the removed flare nuts to the pipes tobe connected, then flare the pipes.90 0.53. Refrigerant piping(1) Outline of pipingGas pipe 15.88x1.0mm9.52x0.8mmLiquid pipeOutdoorunit3-way valveFlare connectionGas pipeLiquidpipeFlare connectionIndoorunit3-way valveOne way piping length: Less than 15 mmVertical height difference: Less than 5 mPrecautions for refrigerant piping(Fig. 23)Do not twist or crush piping.Be sure that no dust is mixed in piping.Bend piping with as wide angle as possible.Keep insulating both gas and liquid piping.Check flare-connected area for gas leakage.(b) Foundation anchor(a) Concrete foundation(Fig. 22)Anchor boltConcrete foundationUnitUnitConcrete foundationAnchor boltConnecting methodApply refrigerant oil at half union as large and flare nut.To bend a pipe, give the roundness as possible not tocrush the pipe.When connecting pipe, hold the pipe centre to centrethen screw nut on by hand, refer to Fig.Be careful not to let foreign matters, such as sandsenter the pipe.(4) Piping connection (Fig.23)Forced fastening withoutcentering may damagethe threads and cause agas leakage.Pipe dia FasteningtorqueGas pipe 15.88mmLiquid pipe 9.52mm60N.m42N.m