The amperage (AMPS @ 120V) for a 1.5-ton First Company CDX / CDXQ Aquatherm fan coil unit is 1.9 to 2.3 amps, depending on the specific motor size (1/8 HP or 1/5 HP) and model configuration: • 18CDXQ (1/8 HP motor): 1.9 amps at 120V • 19CDXQ / 20CDXQ (1/5 HP motor): 2.3 amps at 120V • Maximum fuse / circuit protection: 15 amps • Voltage: 120/1/60 (120-volt, single-phase, 60 H