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PLC Adaptable Primary Control, Unit Pack


PLC Adaptable Primary Control, Unit Pack

  • Product Info
  • Literature


Integrated burner control for industrial process semi-automatically fired gas, oil, coal, or combination fuels for single and multiple burner applications. PLC Adaptable.


  • Functions include automatic burner startup sequencing, five user selectable run sequences, four line-voltage sequence control inputs, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
  • Requires a relay module, subbase, and amplifier for operation.
  • Options include PC interface, keyboard display module, DATA CONTROLBUS™ MODULE, remote display mounting, first-out expanded annunciator, and COMBUSTION SYSTEM MANAGER™ software.
  • Use with master system control which determines purge timing and confirms air supply and air flow.
  • Nonvolatile memory retains history files and sequencing status after power loss.
  • Optional remote reset capability.
  • Five LEDs provide sequence information.
  • Interchangeable plug-in flame amplifiers.
  • Local or remote annunciation of operation and fault information.

Product Specifications

Primary Control - PLC Adaptable
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 10 oz
Weight (kg)
0.7 kg
For 10 sec DSI applications, selectable sequences
50 Hz; 60 Hz (±10%)
Approvals, Canadian Standards Association
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
Flame Establishing Period - Pilot
10 sec
Flame Establishing Period - Main
15 sec
Required Components
Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier.
Pilot Type
0.5 G environment
Approvals, Factory Mutual