Daikin VRV IV Series Installation Manual

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Daikin VRV IV Series Installation Manual Manual pdf 7 page image

3P405106-10 English 4CAUTIONTo prevent video and audio interference, install the Branch Selector unit as well as associated powerwiring and signal transmission lines at least 40 in. (1 m) away from TVs and radios.However, depending on the reception, interference may result even if a minimum distance of 40 in. (1 m)is main tained.3. PREPARATIONS BEFORE INSTALLATIONRefer the Fig. 3 and install the suspension bolts and hanging brackets.〈Suspension bolts: For supporting the product〉• Use 3/8 in. (M8) to 7/16 in. (M10) suspension bolts.• When holes are to be made anew, used embedded inserts and embedded foundation bolts. When holesare already provided, use hole-in-anchors or the like.Install the Branch Selector unit so that its weight can be withstood.〈Hanging bracket: For supporting the connection pipe〉• Be sure to support the connection piping around the unit using hanging brackets that are kept within40 in. (1 m) of the body side surface. Hanging excessive weight on the Branch Selector unit hangingbracket could cause the unit to fall and injure someone.16-7/8 (428) 8-5/8 (219)Hangingbracket SuspensionboltLong nut orturnbuckleAnchor40 in. (1 m) or less 40 in. (1 m) or lessUnit Note: All the above parts are part to be procured in the field.Fig. 3Unit: in. (mm)4. BRANCH SELECTOR UNIT INSTALLATIONUse only accessories and parts which are of the designated specification when installing.(1) When necessary, use the following procedure to change the control box mounting. (Refer to Fig. 4.)1) Remove the control box cover. (2 screws)2) Remove the control box. (2 screws)3) Remove the top panel. (4 screws)4) Remove the coil cover. (1 screw)5) Change the pull out direction of the wire (motorized valve coil) between the body and the control box.6) Rotate the coil cover 180 degrees and attach it.7) Turn the top panel around 180 degrees and attach it.8) Attach the control box.9) Attach the control box cover.(2) Attach the hooks to the suspension bolts.Be sure to use the nuts (3/8 in. (M8) or 7/16 in. (M10): 3 pcs, 4 loca-tions) and washers (For 3/8 in. (M8), Outside diameter dimension15/16 in. (24 mm) to 1-1/8 in. (28 mm), For 7/16 in.(M10): Outsidediameter 1-3/16 in. (30 mm) to 1-5/16 in. (34 mm): 2 pcs, 4 locations)(field supply) from both the top and bottom sides of the hangingbracket and make sure they are tightened correctly.Washer(Field supply) Nut(Field supply)BranchSelectorunitHangingbracket3/8 – 9/16 in.(10 – 15 mm)Nut(double nut)(Field supply)Suspension bolt(Field supply)