RM7890A1056 Honeywell On-Off Primary Control

Description

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.
♦ Power LED blinks Fault Code on lockout.
♦ Subbase and amplifier are required for operation.
♦ Five LEDs provide sequence information.
♦ Optional remote reset capability.
♦ Optional report generation.
♦ Options include PC interface, keyboard display module, DATA CONTROLBUS MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER software.
♦ Interchangeable plug-in flame amplifiers.
♦ Optional local or remote annunciation of operation and fault information.
♦ Nonvolatile memory retains history files and sequencing status after power loss.
♦ Selectable relight or lockout on loss of flame.
♦ Contains Valve Proving Feature – require S7800A1142 Keyboard Display (not provided) to set up.

Specifications:
♦ Application: On-Off Primary Control w/VPS
♦ 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.
♦ Voltage: 120 Vac (+10, -15%)
♦ Frequency: 50 Hz
♦ Frequency: 60 Hz (±10%)
♦ Pilot Type: intermittent
♦ Vibration: 0.5 G environment
♦ Ambient Temperature Range (F): -40 F to +140 F
♦ Ambient Temperature Range (C): -40 C to +60 C
♦ 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.