Carrier 40MVC Installation Instructions Manual

Also see for 38MVC: Owner's manual Service manual Product data Installation instructions

Contents

Carrier 40MVC Installation Instructions Manual Manual pdf 7 page image

7OUTDOOR UNIT INSTALLATION1. Use a rigid base to support unit in a level position.NOTE: For applications requiring cooling with outdoortemperatures below 55_F (13_C), a low ambient controlfield--installed accessory is available. Consult the InstallationInstruction for the low ambient kit for further information.If the installation location may be exposed to strong wind , use awind baffle. Check with your Carrier representative to obtaindrawings for wind baffles.StrongwindA07350Fig. 10 --- High Wind Installation2. Locate outdoor unit and connect piping and wiring.MAKE REFRIGERANT PIPING CONNECTIONS(OUTDOOR UNIT)IMPORTANT: Use refrigeration grade tubing ONLY. Noother type of tubing may be used. Use of other types of tubingwill void manufacturer’s warranty.Do not open service valves or remove protective caps from tubingends until all the connections are made.Bend tubing with bending tools to avoid kinks and flat spots.Keep the tubing free of dirt, sand, moisture, and othercontaminants to avoid damaging the refrigerant system.Avoid sags in the suction line to prevent the formation of oil traps.Insulate each tube with minimum 3/8--in. (10 mm) wall thermalpipe insulation. Inserting the tubing into the insulation beforemaking the connections will save time and improve installationquality.1. Remove service valve cover if provided with unit.2. Cut tubing with tubing cutter. Remove service connectionif provided with unit.3. Install correct size flare nut onto tubing and make flare con-nection.4. Apply a small amount of refrigerant oil to the flare connec-tion on the tubing.5. Properly align tubing in with service valve.6. Tighten flare nut and finish installation using two wrenchesas shown in Fig. 11.A07354Fig. 11 --- Tighten Flare NutCAUTION!EQUIPMENT DAMAGE HAZARDFailure to follow this caution may result in equipmentdamage or improper operation.Excessive torque can break flare nut depending oninstallation conditions.38/40MVC, MVQ