Daikin VRV IV Series Installation Manual

Contents

Daikin VRV IV Series Installation Manual Manual pdf 8 page image

3. PREPARATIONS BEFORE INSTALLATIONInstall suspension bolts and hanging brackets as illustrated in the diagram below.• Use a suspension bolt size of 3/8 in.(M8) to 7/16 in.(M10).• Use mold-in inserts and embedded foundation bolts for new installations or hole-in anchor bolts orsimilar hardware for existing installations, taking care to install in a manner that can withstand the unit’sweight.Unit: in. (mm)Branch Selector unit ABS4Q54TVJ 16-5/16 (415)BS6Q54TVJ 24-5/8 (625)BS8Q54TVJBS10Q54TVJ 34-1/16 (865)BS12Q54TVJA 12-1/8 (308)• Use the hanging brackets to support the connectionpipes on both the front and back of the unit within40 in. (1 m) of the unit’s side.Placing an excessive amount of weight on theBranch Selector unit's hanging brackets may causethe unit to fall, resulting in bodily injury.Slab Anchor boltLong nut orturnbuckleSuspension boltWithin 40 in. (1 m)Unit ConnectionpipeNote: All the above parts must be supplied in the field4. BRANCH SELECTOR UNIT INSTALLATIONUse only accessories and parts that conform to the designated specifications when installingthe unit.1. Position the Branch Selector unit and secure it temporarily inplace.Attach the hanging brackets to the suspension bolts as per theinstructions in the figure to the right.Be sure to affix nuts (3/8 in.(M8) or 7/16 in.(M10), 3 pieces in4 locations) and washers (for 3/8 in.(M8), outside diameter of15/16 in. (24 mm) to 1-1/8 in. (28 mm) or for 7/16 in.(M10),outside diameter of 1-3/16 in. (30 mm) to 1-5/16 in. (34 mm):2 pieces in 4 locations) (to be supplied in the field) from boththe top and bottom of the hanging brackets on both sides of theunit to secure it in place.2. Adjust the height of the unit as desired.3. Using a level, verify that the unit has been installed in a levelorientation.Nut (double nut)(Field supply)Suspension bolt(Field supply)3/8-9/16 in.(10 - 15 mm)Hanging bracketWasher(Field supply)Nut(Field supply)BranchSelectorunitWARNING• Install the Branch Selector unit in a level orientation.• Attach nuts on both the top and bottom of the hanging brackets.Overtightening the lower nut without the upper nut in place may cause the hanging bracket and topplate to deform, causing the unit to produce abnormal noise.5 3P405106-9 English