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.

Delayed Main Valve

Yes

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.