Appendix C - Specifications.pdf

This document is Appendix C - Specifications from solicitation A27-0598, detailing the technical requirements for two pieces of equipment.

The induction heater must operate on three-phase 208-240V AC power at 50/60 Hz with a maximum input current of 52A and maximum input power of 15 KW. The unit shall produce output frequency of 30-80 kHz with heating current capability of 5-50A. Timer control must be selectable between automatic and manual modes. The inverter box dimensions shall not exceed 43 cm (length) x 26 cm (width) x 37 cm (height). The equipment must be NRTL certified and include a water cooling option. The recirculating water chiller for the induction heater shall operate on 120V single-phase AC power (with capability to use 208-240V single-phase AC as an alternative) and provide 5 kW cooling capacity (17,500 BTU/hour) with temperature control range of 5-30°C and accuracy of ±0.3°C. The chiller shall feature a stainless steel heat exchanger, 58 liter/minute water flow rate, 28-meter head pressure (40 psi), and a 15-liter stainless steel water tank. The outlet connection must be compatible with the induction heater water inlet, and connection piping shall be polyurethane tubing with thickness greater than or equal to 2 mm and inner diameter greater than or equal to 8 mm. The chiller must also be NRTL certified.