Honeywell rm7895 manual

1 caution: valve energizing timing is based on honeywell valve opening times of 13 seconds maximum. − for valves with timings greater than 13 seconds or those that do not open the active valve within the energized time, a bypass solenoid valve (1/4”, vac) is required to obtain the proper test pressures. Install the EC or RM where the relative humidity never reaches the saturation point. The EC or RM is designed to operate in a maximum 85% RH continuous, noncondensing, moisture environment. Condensing moisture can cause a safety shutdown. The Honeywell RMA and RMB Relay Modules are microprocessor based integrated burner controls for automatically fired, gas only (if Valve Proving feature is going to be used), single burner on/off applications. The RMA and RMB System consists of a relay module, subbase, and amplifier. Options include keyboard.

The EC or RM must react to input changes but avoid the occurrence of nuisance shutdown events. Signal conditioning is applied to line voltage inputs to verify proper operation in the presence of normal electrical line noise such as transient high voltage spikes or short periods of line dropout. rm, rm vac, 50/60 hz; ec vac, 50/60 hz power supply. provide disconnect means and overload protection as required. do not connect any wires to unused terminals. for ec, a to vac to vac, 10 va minimum stepdown transformer (not provided) must be used to drive the shutter. The EC and RM are programmed to provide a level of safety, functional capability and features beyond the capacity of conventional controls. Functions provided by the EC and RM include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. FEATURES • Safety features.

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