Carrier 42XQ Series Installation And Start-up Instructions Manual

Also see for 42XQ Series: Owner's manual Owner's manual

319 INITIAL START-UPLocation Maximum Permitted Value Procedure1) External air temperature 43 o C For temperature exceeding 43 o C, consult your(Units with air Carrier representative.condensation)2) Voltage Variation of ± 10% in relation Check the installation and/or contact your localto the nominal value electrical power company.3) Unbalancing of the Voltage: 2% Check the installation and/or contact your localnetwork (48,000 and Current: 10% electrical power company.60,000 Btu/h units)4) Distance and vertical Refer technical spec For greater distances, consult your Carriergap between the units representative.ATTENTION !!!ATTENTION !!!The table below defines the limits and conditions for the application and operation of theunits.Table of Conditions and Limits for Application and OperationBefore starting up the unit, observe the above conditions and the following items:• Check that all of the electrical connections are securely connected;• Check that there are no leaks of refrigerant;• Confirm that the force discharge is compatible with the electrical specifications of the unit;• Ensure that the compressors can move freely above the vibration insulators of the outdoorunit;• Ensure that all of the service valves are in the correct operating position (open);• Ensure that area around the outdoor unit (condensing unit) is free of any obstructions theair intake and discharge;• Confirm that perfect drainage occurs and that the drainage hose is not blocked.The fan motors of the units are lubricated in the factory. DO NOT lubricate them againwhen installing the units. Before starting up the motor, verify that the propeller or turbineof the fan is not loose.In outdoor unit assembled exclusively with Scroll-type compressors, the noise ofthese compressors must be heard after start-up. If this noise is high and thepressures are the same after start-up, invert the two feed phases! This procedure iscompulsory and failure to perform it will invalidate the warranty of the equipment.

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