For split type HVAC of 50,000BTU and 24,000BTU what size of copper tubes are commonly used?

Question

The model of A/C is not selected, and under construction building need to install piping? Also guide for electrical cables passing with piping, what size of cables are for general use in 50,000BTU and 24,000BTU?

Answer 1

a 50,000 bTU/HR AIR CON UNIT is rated 50,000/12,000,4.5 tons/hr,with a 5hp,3-phase motor ar 220Volts., while a 24,000 btu is 2 tons/hr , using 2 to 3 HP motor.The motor branch circuit conductors will use No 10AWG Type THW, copper stranded wires. and No.12AWG Type THW copper stranded wires, TYpe THW copper conductors for the compressor units respectively, while control wires will require, No.14 AWG,Type THW copper insulated wires.