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

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

Price: $1,825.00

    Quantity:
    Item #: RM7840L1018
    Availability: In stock
    Usually ships In 1-2 Business days
    In stock Quantity: 2

    Overview

    Microprocessor-based integrated burner control for automatically fired gas, oil, coal or combination fuel single burner applications. Provides 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.
    • Access for external electrical voltage checks.
    • Application flexibility and communication interface capability.
    • Five LEDs provide sequence information.
    • Five function Run/Test Switch.
    • Interchangeable plug-in flame amplifiers.
    • Local or remote annunciation of RM7840 operation and fault information.
    • Nonvolatile memory retains history files and lockout status after loss of power.
    • Compatible with existing Honeywell flame detectors.


    Product Specifications

    Application

    Programming 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

    LHL-LF&HF Proven

    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

    10 sec or 15 sec

    Interlocks

    Lockout

    Preignition

    Yes

    PrePurge

    Determined by ST7800A Purge Timer Card

    PostPurge

    15 sec

    Early Spark Termination

    Yes, 5 sec

    Required Components

    Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.

    AirFlow Check

    User selectable

    Second Stage Pilot Valve

    Interrupted

    Pilot Type

    interrupted

    Vibration

    0.5 G environment

    Approvals, Control Safety Devices

    Acceptable: CSD-1

    Approvals, Swiss RE

    Acceptable

    Approvals, Factory Mutual

    Report No. OX4A5.AF