RM7890A2056 Honeywell Burner Control

Overview Microprocessor-based integrated primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Provides level of safety, functional capability and features beyond conventional controls. Features Functions include automatic burner sequencing, flame supervision, system status indication, system or self diagnostics and troubleshooting. Subbase, amplifier, and prepurge timer are required for operation. Options include 2 line VDF keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, and 4-LINE LCD keyboard display module. Five LEDs provide sequence information. Interchangeable plug-in flame amplifiers. Optional remote annunciation of operation and fault information. Nonvolatile memory retains history files and sequencing status after power loss. Optional remote reset capability. Optional report generation. Selectable relight or lockout on loss of flame. Airflow switch check. Product Specifications Application On-Off Primary Control w/VPS Dimensions (in.) 5 in. wide x 5 in. high x 5 1/4 in. deep with Q7800A Subbase x 6 3/32 in. deep with Q7800B Subbase Dimensions (mm) 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase Weight (lb) 1 lb 13 oz Weight (kg) 0.8 kg Comments Includes programmable VPS (Valve Proving Switch) check feature and blinking LED fault annunciation Frequency 50 Hz; 60 Hz (±10%) Approvals, Underwriters Laboratories Inc. Component Recognized, File No. MP268; Guide No. MCCZ. Approvals, Canadian Standards Association Certified, File No. LR95329-3. Voltage 120 Vac ( 10, -15%) Shipping and Storage Temperature Range (F) -40 F to 140 F Shipping and Storage Temperature Range (C) -40 C to 60 C Approvals, Federal Communications Commission FCC Part 15, Class B, Emissions. Flame Establishing Period – Pilot 4 sec or 10 sec Flame Establishing Period – Main Intermittent Preignition Yes Required Components Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. Pilot Type intermittent Vibration 0.5 G environment Approvals, Swiss RE Acceptable Approvals, Factory Mutual Report No. OX4A5.AF.