My Account | homeowners link | honeywell.com

RM7890B1055/U

On-Off Primary Control with Shutter Terminal Available

Product Info
Literature

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 and amplifier are required for operation.
Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display module, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software.
Five LEDs provide sequence information.
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.
Optional remote reset capability.
Optional report generation.
Selectable relight or lockout on loss of flame.

Product Specifications

Application: On-Off Primary Control
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 Shutter Drive Capability
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
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.
European Directives: Gastec EN268 Report 1156791
Approvals, Gastec/European: Gastec EN268 Report 1156791