Daikin FHB35Fk7V1 Installation Manual

Also see for FHB35FK7V1: Operation manual Operation manual

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Daikin FHB35Fk7V1 Installation Manual Manual pdf 7 page image

32. Check if the unit is horizontally levelled.• Do not install the unit tilted. The indoor unit is equippedwith a built-in drain pump and float switch.(If the unit is tilted against condensate flow, the float switchmay malfunction and cause water to drip.)• Check if the unit is levelled at all four corners with a waterlevel or a water-filled vinyl tube as shown in figure 12.1 Water level2 Vinyl tube3. Tighten the upper nut.4. Fix the paper pattern for installation.• The paper pattern for installation corresponds with themeasurements of the ceiling opening. Consult the builderfor details.• Attach the paper pattern for installation to the unit with theattached screws as shown in figure 17.The paper pattern for installation is marked for 3 types ofceiling openings. Read the notations carefully wheninstalling.1 Paper pattern for installation (supplied with the unit)2 Screws for fixing the paper pattern for installation (supplied withthe unit (6))REFRIGERANT PIPING WORKFor refrigerant piping of outdoor unit, refer to the installationmanual supplied with the outdoor unit.All field piping must be provided by a licensed refrigerationtechnician and must comply with the relevant local andnational codes.• The outdoor unit is charged with refrigerant.• Be sure to use both a spanner and torque wrench together whenconnecting or disconnecting pipes to/from the unit.1 Torque wrench2 Spanner3 Piping union4 Flare nut• Refer to Table 1 for the dimensions of flare nut spaces andthe appropriate tightening torque. (Overtightening maydamage the flare and cause leaks.)Table 1Pipe gauge Tightening torque Flare dimension A Flare shape(mm)Ø 6.4 1420~1720 N•cm 8.3~8.7(144~176 kgf•cm)Ø 9.5 3270~3990 N•cm 12.0~12.4(333~407 kgf•cm)Ø 12.7 4950~6030 N•cm 15.4~15.8(504~616 kgf•cm)Ø 15.9 6180~7540 N•cm 18.6~19.0(630~770 kgf•cm)Ø 19.1 9720~11860 N•cm 22.9~23.3(990~1210 kgf•cm)• When connecting the flare nut, coat the flare both inside andoutside with refrigerating machine oil and initially tighten byhand 3 or 4 turns before tightening firmly.1 Coat here with refrigeratingmachine oilMounting the air inlet panel with a canvas connectionSee figure 7b1 Ceiling surface2 Ceiling opening3 Air inlet panel (Optional accessory)4 Indoor unit (Back side)5 Canvas connection for air inlet panel (Optional accessory)Model AFH(Y)B35•45 760FH(Y)B60•71 1060FHYB100•125 1460Mounting the air inlet panel directlySee figure 7cNOTEWhen installing an air inlet duct, selectfixing screws that shall stick out maximum5mm at the inside of the flange.1 Air inlet duct2 Inside of the flange3 Fixing screwThis is to protect the air filter from damageduring maintenance of the filter.• For other installation than standard installation, contact yourDaikin dealer for details.2. The fan speed for this indoor unit is preset to providestandard external static pressure.If higher or lower external static pressure is required, reset theexternal static pressure by changing the initial setting from theremote controller.Refer to "Setting of static pressure".3. Install the suspension bolts.(Use M10 size bolt for the suspension bolt.) Use anchors forexisting ceilings, and a sunken insert, sunken anchors orother field supplied parts for new ceilings to reinforce theceiling in order to bear the weight of the unit.Installation exampleSee figure 41 Anchor2 Ceiling slab3 Long nut or turn-buckle4 Suspension bolt5 Indoor unitNOTEAll the above parts are field supplied.INDOOR UNIT INSTALLATIONWhen installing optional accessories (except for the air inletpanel), read also the installation manual of the optionalaccessories. Depending on the field conditions, it may be easierto install optional accessories before the indoor unit is installed.1. Install the indoor unit temporarily.• Attach the hanger bracket to the suspension bolt. Be sureto fix it securely by using a nut and washer from the upperand lower sides of the hanger bracket (see figure 5).1 Nut (field supply)2 Washer for hanger bracket (supplied with the unit)3 Tighten (double nut)1 23 ≤ 5231411R=0.4~0.845°±290°±4A