On-Off primary control with prepurge for infrared heater applications
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.
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.
Application:On-Off Primary Control with Prepurge
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:R7847 only
Weight (lb) :1 lb 15 oz
Weight (kg) :0.9 kg
Comments:Higher Flame Sensor Voltage for Infra Red Heater Applications
Frequency:50 Hz; 60 Hz (±10%)
Approvals, Underwriters Laboratories Inc. :Component Recognized, File No. MP268; Guide No. MCCZ.
Approvals, CSA: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:15 sec or 30 sec
Flame Establishing Period - Main:Intermittent
PrePurge:Determined by ST7800A Purge Timer Card
Required Components:Q7800A,B Universal Wiring Subbases. R7847, R7848, R7851,or R7852 Flame Signal Amplifier.
Delayed Main Valve:No
Vibration:0.5 G environment
Approvals, Control Safety Devices:Acceptable: CSD-1
Approvals, Swiss RE:Acceptable
Approvals, Factory Mutual:Report No. OX4A5.AF.
Shipping Weight: 2 kg