Power Supply; Start-Up; Compressors; Refrigerant - Carrier 50UA-UH 135 Installation, Operation And Maintenance Instructions

Packaged rooftop cooling only units and heat pumps

Table of Contents

Preliminary information

Job name: ...............................................................................................................................................................................................

Location: ................................................................................................................................................................................................

Installing contractor:.............................................................................................................................................................................

Distributor: ............................................................................................................................................................................................

Start-up preformed by: .............................................................. Date: ..............................................................................................

Equipment

Model

UA-UH135-205 : ...........................................................

Compressors

Circuit A

1. Model No. ................................................................................. 1. Model No. ..............................................................................

Serial No. ..................................................................................

2. Model No. .................................................................................. 2. Model No. ..............................................................................

Serial No. ...................................................................................

Additional options and accessories ....................................................................................................................................................

.................................................................................................................................................................................................................

Preliminary equipment check

Is there any shipping damage? .................................................... If so, where? ...............................................................................

Will this damage prevent unit start-up? .............................................................................................................................................

Unit is level in its installation

Power supply agrees with the unit name plate

Electrical circuit wiring has been sized and installed properly

Unit ground wire has been connected

Electrical circuit protection has been sized and installed properly

All terminals are tight

All cables and thermistors have been inspected for crossed wires

Unit start-up

Oil level is correct

Compressor crankcase heaters have been energised for 12 hours

Locate, repair, and report any refrigerant leaks

Check voltage imbalance: AB ................ AC ................. BC..................