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On-Off Primary Ctrl with Shutter Drive

RM7897A1002/U

On-Off Primary Ctrl with Shutter Drive

  • Product Info
  • Literature

Overview

Microprocessor-based integrated full-function primary burner control for automatically fired gas, oil, or combination fuel single burner applications. Programmable Post Purge. Requires S7800A1142 Display to program post purge feature.

Features

  • Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
  • Subbase, amplifier and purge card 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. Power LED blinks fault code on Safety Shutdown.
  • Interchangeable plug-in flame amplifiers.
  • 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 recycle or lockout on loss of airflow or flame.
  • Shutter drive output.
  • Airflow switch check.
  • Delayed main valve.
  • Programmable post purge using S7800A1142 Keyboard Display (not provided).

Product Specifications

Application
On-Off Primary Control with Pre and Programmable Post purge
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
Used With
7800 Series Amplifiers
Weight (lb)
1 lb 15 oz
Weight (kg)
0.9 kg
Comments
Includes blinking LED fault annunciation feature
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
Interlocks
Selectable
Preignition
Yes
PrePurge
Determined by ST7800A Purge Timer Card
PostPurge
programmed with S7800A1142 display
Required Components
Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.
Pilot Type
selectable
Vibration
0.5 G environment
Approvals, Control Safety Devices
Acceptable: CSD-1
Approvals, Swiss RE
Acceptable
Approvals, Factory Mutual
Report No. OX4A5.AF.