Simplified Installation: 4-20mA 2-wire configuration reduces wiring costs and includes built-in reverse polarity and short-circuit protection

the arrow on the Danfoss 023Z5054 label must always point in the direction of refrigerant flow towards the expansion device

it ensures reliable refrigerant flow by cycling the fan on and off based on system load

For a full system overhaul

Precise Actuator Control: Dual floating or digital control outputs support 3-point floating actuators or on/off heating and cooling relays

Fireye MP230 Module R-407C Simplified Installation: 4-20mA 2-wire configurationEnsure precise burner sequencing and safety with the Fireye MP230 Programmer Module. Designed as a direct plug in component for the Fireye Modular M Series II system, this module provides the critical logic required for automatic ignition and continuous flame monitoring. It is a selectable timing programmer, allowing technicians to field configure purge intervals (5, 7, 30, 60, or 240 seconds) and Pilot Trial for Ignition (PTFI) durations (5 or 10