Carrier 38GVM Series Installation Instructions Manual

Also see for 38GVM Series: Service manual

Contents

9INSTALLATION GUIDEUp to four fan coil units can be connected to one outdoor unit.Refer to the Product Data for approved combinations.Ideal installation locations include:Each Indoor UnitS A location where there are no obstacles near inlet and outlet area.S A location which can bear the weight of indoor unit.S Do not install indoor units near a direct source of heat such asdirect sunlight or a heating appliance.S A location which provides appropriate clearances as outlined inFig. 7.Outdoor UnitS A location which is convenient to installation and not exposed tostrong wind. If unit is exposed to strong winds it isrecommended that a field--fabricated wind baffle be used. (SeeFig. 15)S A location which can bear the weight of outdoor unit and wherethe outdoor unit can be mounted in a level position.S A location which provides appropriate clearances as outlined inFig. 8 and Fig. 9.S Do not install the indoor or outdoor units in a location withspecial environmental conditions. For those applications, contactyour Carrier Representative.INDOOR UNIT INSTALLATIONINSTALL MOUNTING PLATEFor each fan coil:1. Carefully remove the mounting plate, which is attached tothe back of the indoor unit.2. The mounting plate should be located horizontally and levelon the wall.3. If the wall is block, brick, concrete or similar material, drill.2” (5 mm) diameter holes and insert anchors for the ap-propriate mounting screws.4. Attach the mounting plate to the wall.5.1(129.5)21.3(541.0)6.8(172.7)09&12K Unitin. (mm)A12563Fig. 10 --- 9k & 12k Mounting Plate Spacing2(50.8)27(685.8)8(203.2)18K Unitin. (mm)A12564Fig. 11 --- 18k Mounting Plate SpacingFOR EACH FAN COIL, DRILL HOLE IN WALLFOR INTERCONNECTING PIPING, DRAIN ANDWIRINGRefrigerant Line RoutingThe refrigerant lines may be routed in any of the four directionsshown in Fig. 12 (a) and (b).For maximum serviceability, it is recommended to have refrigerantline flare connections and the drain connection on the outside ofthe wall that the fan coil is mounted on.1 Right Exit2 Right Rear Exit3 Left Exit4 Left Rear Exit( a ) ( b ) ( c )As viewed from frontKnockout 3Knockout 2Knockout 1A08281Fig. 12 --- Refrigerant Line RoutingIf piping is going through the back:1. Determine pipe hole position using the mounting plate as atemplate. Drill pipe hole diameter per chart below. Theoutside pipe hole is 1/2--in. (13 mm) min. lower than insidepipe hole, so it slants slightly downward (see Fig. 13).If piping is going to exit from the left rear, it is recommen-ded to field--fabricate piping extensions to get the flare con-nections to the outside of the wall.1/2 in. (13 mm)Min.INDOOR OUTDOORA07371Unit Size Hole Diameterin. (mm)9k, 12k, and 18k 3.75 (95)Fig. 13 --- Drill HolesIf piping is going through the right or left side:1. Use a small saw blade to carefully remove the correspond-ing plastic covering on side panel and drill the appropriatesize hole where the pipe is going through the wall. See Fig.12 (c).2. Remove knockout 1 if you are running only the wiring.Remove knockout 1 and 2 or knockout 1, 2 and 3 if you arerunning both piping and wiring through the side of the unit.38/40GVM