For 208-230/1/60 Compressor Units; Temperature Sensors & Defrost Termination Sensors & Thermostats; 120V Gfci Circuit Operation; Led Lighting Operation (If Applied) - Hussmann Proto-Aire EZ Manual Del Usuario

Proto-Aire EZ I/O Manual

For 208-230/1/60 Compressor Units:

To each Proto-Aire EZ provide:
• One 208-230/1/60 Circuit (neutral wire also required if low ambient receiver heater utilized)
• One 120/1/60 dedicated GFI Circuit
• One ground wire to earth ground
Temperature Sensors & Defrost Termination Sensors & Thermostats
Use a shielded and grounded Belden Cable #8762, or equivalent between control panel and case
sensors or thermostats.
Shielded cable must be used. The shield wire must be attached to the panel liner that

120V GFCI Circuit Operation

The Proto-Aire EZ may include an optional GFCI Service Receptacle. Field wired from
dedicated circuit. This circuit will be energized even when unit power is disconnected.

LED Lighting Operation (if applied)

The Proto-Aire EZ may include LED lighting within the electrical enclosure and within the unit.
The lighting is controlled via a toggle switch within the electrical enclosure. The lighting will not
function if power is removed from unit.

Electronic Oil Level Control

Standard oil level control is powered by 208V with matching control voltage. Wired to general
compressor alarm circuit.
Important:
contains the control board it is terminating to.
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