Honeywell RM7895E1002 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.
Subbase, amplifier, and prepurge timer 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.
Airflow switch check.
Product Specifications
ApplicationOn-Off Primary Control with PrepurgeDimensions (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 SubbaseDimensions (mm)127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B SubbaseUsed WithR7847 onlyWeight (lb)1 lb 15 ozWeight (kg)0.9 kgCommentsHigher Flame Sensor Voltage for Infra Red Heater ApplicationsFrequency50 Hz; 60 Hz (±10%)Approvals, Underwriters Laboratories Inc.Component Recognized, File No. MP268; Guide No. MCCZ.Approvals, CSACertified, File No. LR95329-3.Voltage120 Vac (+10, -15%)Shipping and Storage Temperature Range (F)-40 F to +140 FShipping and Storage Temperature Range (C)-40 C to +60 CApprovals, Federal Communications CommissionFCC Part 15, Class B, Emissions.Flame Establishing Period – Pilot15 sec or 30 secFlame Establishing Period – MainIntermittentInterlocksSelectablePrePurgeDetermined by ST7800A Purge Timer CardRequired ComponentsQ7800A,B Universal Wiring Subbases. R7847, R7848, R7851,or R7852 Flame Signal Amplifier.Delayed Main ValveNoPilot TypeintermittentVibration0.5 G environmentApprovals, Control Safety DevicesAcceptable: CSD-1Approvals, Swiss REAcceptableApprovals, Factory MutualReport No. OX4A5.AF.
