Carrier 42N_S Installation And Operation Manual

Also see for 42N E Series: Installation and operation manual Installation and operation manual

Carrier 42N_S Installation And Operation Manual Manual pdf 23 page image

2342N_S 42N_EEnglishInstallationReceipt of unitt Check that packaging is undamaged.t Unpack unit and check immediately for damage during transportation.t Packaging contains the base unit and, if supplied, the unit cabinet.t Verify that all components ordered are supplied.Unit preparationt Take out and position template printed on the packaging. It isadvisable to keep cabinet packed until installation is complete.t To install the cabinet, position it onto the base unit and fix it to thespecial tabs on the unit rear side and then secure it with the twoscrews supplied (See fig.14-15).t If the unit is installed at 150 mm from the floor or lower, use theangles supplied with the base unit to prevent the user from touchingthe moving parts (See fig.14-15).t If, instead, the unit is installed higher than 150 mm from the floor, usethe rear closing grille kit (code 42N0954-42N0955-42N0956-42N0957)according to the unit size. For horizontal installation at more than2.5 meters from the floor, the angles supplied need not be used. Forhorizontal installation at more than 2.5 meters from the floor, theangles supplied need not be used.Installationt Before proceeding to unit installation, it is recommended to assemblethe accessories according to the instructions supplied with the kit.t It is advisable to lock the cover on the opposite side to the control oron both sides if the control is not positioned on the unit.t Knock out the prepunched part of the cover to insert the screw.t Furthermore it is possible to lock the control cover.Floor-mounted vertical unit (See fig. 18)The unit is provided with supporting feet and cover panels (models withcabinet).t For positioning and drilling use the template printed on the packaging.t Drill four holes for the screw anchors close to the upper and lower hooks.t Install the supporting feet by inserting the special tab into thecorresponding slot on the unit plate (See fig. 17). Centre thetwo indentations and secure each supporting feet using thecorresponding clips supplied with the kit.t If a baseboard is mounted onto the wall, remove the pre-cut tab fromthe cover panel. Install the cover panels by hooking them to the slotson the cabinet lower part and secure them with the screws supplied.t Position unit to wall and secure it with screws. To facilitate cabinetinstallation, it is suggested to use flathead screws.t To complete the installation make electrical and water connections asper the diagram inside the control box panel. When all connectionshave been made, install the cabinet as previously described.t Start-up of all units supplied without cabinet (42NF – 42NP) shouldbe carried out by the installer according to safety directions for easyaccess to live and moving parts provided for by EN 60335-1 and EN60335-2-40 standards (see Fig. 18A and 18B but only as an indicativeexample).WARNING: With wall-to-wall carpet the hole points must be moved upby 10 mm (as indicated on the template).Wall-mounted vertical unitt This unit is not provided with supporting feet and cover panels.t Install the unit as indicated above and keep it at least 100 mm fromthe floor.Ceiling-mounted horizontal unit(See fig. 19-20)t Use the template printed on the packaging for ceiling mounting ofthe unit.Units with cabinet 42NM and 42NZt Make four holes for the screw anchors near the four hooks fig. 19 (2side and 2 front hooks).Concealed units 42NF and 42NPt Attach the two brackets supplied for horizontal installation to the unit,securing them with the screws as shown in figure 20.t Make four holes for the screw anchors near the four side hooks.t Hook the unit on the screw anchors in the ceiling and adjust the 4screws.t Make certain the fan coil is horizontally levelled.t Make electrical and water connections and install the cabinet.Condensate drainCoil surface condensation formed during the cooling cycle is collectedin a pan purposely placed under the coil and then drained out througha drain pipe fitted on the coil connection side.A simple flexible tube which fits Ø 20 mm is recommended. To facilitatecorrect condensate draining, make sure that the drain pipe is not bentor restricted and that it has the required slope (at least 2%) along itslength. A drain trap is recommended (See fig. 9)CheckingBefore unit operation verify that the water flows into the internalcondensate drain pan by pouring some water into it.If problems are detected, check the drain pipe slope and look forpossible obstructions.