Carrier 38MGQ Installation Instructions Manual

Also see for 38MGQ Series: Service manual Installation instructions

Carrier 38MGQ Installation Instructions Manual Manual pdf 35 page image

35The mounting plate should be installed on a wall which cansupport the weight of the indoor unit.(1.) Temporarily secure the mounting plate to the wall,make sure that the panel is completely level, andmark the boring points on the wall.(2.) Secure the mounting plate to the wall with screws.6screwsCasingFig. 71 --- Floor Installation6screwsMolding7.7in (195mm)-Fig. 72 --- Wall Installation(3.) Once refrigerant piping and drain pipingconnections are complete, fill in the gap of thethrough hole with putty. A gap can lead tocondensation on the refrigerant pipe, and drainpipe, and the entry of insects into the pipes.(4.) Attach the front panel and front grille in their originalpositions once all connections are complete.OUTDOOR UNIT INSTALLATION1. Use a rigid base to support unit in a level position.2. Locate outdoor unit and connect piping and wiring.CAUTION!EQUIPMENT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Excessive torque can break flare nut depending oninstallation conditions.NOTE: Install the outdoor unit on a rigid base to reduce noise levelsand vibration. Determine the optimal air outlet direction to preventdischarged air from being blocked. If the installation site is exposed tostrong winds such as a coastal areas, ensure the fan’s proper operationby installing the unit lengthwise along the wall or use dust or shieldplates. If the unit needs to be suspended, the installation bracket shouldcomply with the suspension requirements in the installation bracketdiagram. The installation wall should be solid brick, concrete or thesame intensity construction, or take steps to reinforce and dampen thesupport. The connection between the bracket and the wall as well asthe bracket and the air conditioner should be firm, stable and reliable.Ensure there is no obstacle which may block the radiating air.StrongwindA07350Fig. 73 --- High Wind InstallationPiping Connections to Outdoor UnitIMPORTANT: Use refrigeration grade tubing only. No othertubing type may be used. Use of other tubing types will void themanufacturer’s warranty. Ensure there is enough piping to coverthe required length between the outdoor and indoor unit. Only usepiping suitable for high side pressure for both high and low sideconnections.