Carrier 38MGQ Installation Instructions Manual

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Carrier 38MGQ Installation Instructions Manual Manual pdf 19 page image

191234Fig. 27 --- Installation Clearances(1.) Ceiling slab(2.) Expansible hook (optional)(3.) Installation hook (optional)(4.) False ceilingNOTE: For other installation than standard installation, contactyour dealer for details.INDOOR UNIT INSTALLATIONWhen installing optional accessories, review the list of optionalaccessories in the installation manual. Depending on the fieldconditions, it may be easier to install optional accessories beforethe indoor unit is installed (except for the decoration panel).However, for existing ceiling, install the fresh air inlet componentkit and branch duct before installing the unit.1. Install the indoor unit temporarily.a. Attach the hanger bracket to the suspension bolt. Be sureto fix it securely by using a nut and washer from the upperand lower sides of the hanger bracket.b. Securing the hanger bracket (see Fig. 28).-1342Fig. 28 --- Secure the Hanger bracket(1.) Nut (field supply)(2.) Washer (field supply)(3.) Hanger bracket(4.) Double nuts (field supply, tighten)2. Secure the paper pattern for installation (for new ceilingsonly).S The paper pattern for installation corresponds with themeasurements of the ceiling opening. Consult the builderfor details.S The center of the ceiling opening is indicated on the paperpattern for installation.S After removing the packaging material from the paperpattern for installation, attach the paper pattern to the unitwith the attached screws (see Fig. 29).Fig. 29 --- Attach Screws(1.) Paper pattern for installation (on some models)(2.) Center of the ceiling opening(3.) Screws (supplied with the decoration panel)3. Adjust the unit to the right position for installation. Refer tothe chapter “Preparations Before Installation”.4. Check if the unit is horizontally leveled.a. Do not install the unit tilted. The indoor unit is equippedwith a built--in drain pump and float switch. (If the unit istilted against the direction of the condensate flow (the drainpiping side is raised), the float switch may malfunction andcause water to drip).b. Check if the unit is leveled at all four corners with a waterlevel or a water--filled vinyl tube (see Fig. 30).Fig. 30 --- Ensure Unit is level(1.) Water level(2.) Vinyl tubeDRAIN PIPING WORKDrain Piping InstallationInstall the drain piping as shown in Fig. 31 and take steps toeliminate condensation. Improperly rigged piping could lead toleaks and eventually wet furniture and belongings.1-1.5m 13~5ft2෭Fig. 31 --- Drain Piping InstallationFig. 32 --- Hanging Bar(1.) Hanging bar(2.) 1/100 gradient