Daikin CMSQ200A7W1B Installation Manual

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Daikin CMSQ200A7W1B Installation Manual Manual pdf 10 page image

Installation manual6 CMSQ200+250A7W1BAir conditioning system4PW47543-1■ Processing the gas side accessory pipe (2)Only in case of connecting at lateral side, cut the gas sideaccessory pipe (2) as shown in figure 12.4 Branching the refrigerant piping■ For installation of the refrigerant branching kit, refer to theinstallation manual delivered with the kit.(See figure 14)Follow the conditions listed below:- Mount the refnet joint so that it branches eitherhorizontally or vertically.- Mount the refnet header so that it branches horizontally.■ Installation of the multi connection piping kit(See figure 18)- Install the joints horizontally, so that the caution label (1)attached to the joint comes to the top.Do not tilt the joint more than 15° (see view A).Do not install the joint vertically (see view B).- Make sure that the total length of the piping connected tothe joint is absolute straight for more than 500 mm. Onlyif a straight field piping of more than 120 mm isconnected, more than 500 mm of straight section can beensured.- Improper installation may lead to malfunction of theoutdoor unit.5 Piping length restrictionsMake sure to perform the piping installation within the range ofthe maximum allowable pipe length, allowable level differenceand allowable length after branching as indicated in"6.6. Example of connection" on page 7.6.5. Protection against contamination wheninstalling pipes- Take measures to prevent foreign materials like moisture andcontamination from mixing into the system.- Great caution is needed when passing copper tubes throughwalls.- Block all gaps in the holes for passing out piping and wiringusing sealing material (field supply). (The capacity of the unitwill drop and small animals may enter the machine.)Example: passing piping out through the front1 Gas side accessory pipe2 Cutting location3 Gas side piping (field supply)4 BaseUnit type A B C DCMSQ200 (mm) 166 16 199 246CMSQ250 (mm) 156 17 188 247NOTE ■ When connecting the piping on site, be sure touse the accessory piping.■ Make sure the onsite piping does not come intocontact with other piping, the bottom frame or sidepanels of the unit.1 Horizontal surfaceInstallation period Protection methodMore than a month Pinch the pipeLess than a month Pinch or tape the pipeRegardless of the periodAfter all the piping has been connected, make sure there isno gas leak. Use nitrogen to perform a gas leak check.1 2 31 Plug the areas marked with " ".(When the piping is routed from thefront panel.)2 Gas side piping3 Liquid side piping