generality
Power supply: 12Vac / dc, 24Vac / dc, 24, 110, 230Vac
Input
Control probe: NTC / PTC
Condenser (on HOT KEY): NTC / PTC
Digital input
Warning, trigger defrost, AUX, door switch, pressure switch: user self-set
Way out
Compressor: 8A, 20A optional
Lights / Warning: 8A
Other
Hot Key / Prog Tool Kit: yes
Remote display: Optional X-REP
Serial output: TTL
Speaker: optional
RTC: optional