Emerson Liebert MC Microchannel Outdoor Condenser 28 - 220kW 用户手册

___ 1. Unpack and check received material.
___ 2. Proper clearance for service access has been maintained around the equipment.
___ 3. Equipment is level and mounting fasteners are tight.

___ 1. Line voltage connected and matches equipment nameplate.
___ 2. Power line circuit breakers or fuses have proper ratings for equipment installed.
___ 3. Control wiring connections completed between indoor cooling unit and condenser.
___ 4. All internal and external high-voltage and low-voltage wiring connections are tight to the 

proper torque ratings shown on the components.

___ 5. Confirm that unit is properly grounded to an earth ground.
___ 6. Electrical service conforms to national and local codes.
___ 7. Monitoring wiring connections completed, when equipped, to indoor cooling unit or external 

monitoring panel.

___ 8. Check to confirm Premium EC Fan Condenser is not connected to Delta Power Supply.
___ 9. Check that the CANbus wiring, CANbus “END of Line” jumper position, and the CANbus 

“Device Address DIP Switch” setting is correct according to the application at the job site.

___ 10. If Terminals 70, 71 and 230 are used, verify they are properly wired with special attention 

paid to systems that use two condensers for one indoor unit.

___ 1. Piping is completed to corresponding indoor cooling unit refrigeration circuit.
___ 2. Piping is leak-checked, evacuated, and charged with specified refrigerant.
___ 3. Additional refrigerant oil added, if required, per circuit.
___ 4. Piping is properly sized, sloped, and trapped for proper oil return.
___ 5. Piping is routed to reduce potential of rub-through or chaffing.
___ 6. Hot gas line on Liebert Lee-Temp

™

 is fastened to the side of the cabinet and isolated for 

vibration reduction.

___ 1. Fans rotate freely and in proper direction. EC fans rotate counterclockwise in operation as 

viewed from the fan guard side.

___ 2. Foreign material removed from in and around all equipment installed (construction 

materials, construction debris, etc.).

___ 3. Installation materials and tools have been removed from in and around all equipment 

(literature, shipping materials, tools, etc.).

___ 4. Blank startup sheet located, ready for completion by installer or start-up technician.