479 East 186th Street Bronx, N.Y.  10458

Monday - Friday 7am-5pm  Saturday 8am-3pm

Price: $635.00

    Item #: RM7897C1000
    Availability: In stock
    Usually ships In 1-2 Business days
    In stock Quantity: 4


    On-Off Primary Ctrl with Shutter Drive

    • Product Info
    • Literature


    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.


    • 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

    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
    Includes blinking LED fault annunciation feature
    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.
    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
    Determined by ST7800A Purge Timer Card
    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.
    Delayed Main Valve
    Pilot Type
    0.5 G environment
    Approvals, Control Safety Devices
    Acceptable: CSD-1
    Approvals, Swiss RE
    Approvals, Factory Mutual
    Report No. OX4A5.AF.