Honeywell RM7890A1015 primary control
Category: Boiler & Burner Controller & Programmer
Specifications
Product Details
Voltage: 120Vac
Pilot flame establishing period: 4 sec or 10 sec
Honeywell RM7890A1015 primary control
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 and amplifier 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.
Application: On-Off Primary Control
Flames Establishing Period - Main: Intermittent
Required Components: Q7800A, B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier.
Frequency: 50 Hz; 60 Hz (±10%)
Pilot Type: intermittent
Vibration: 0.5 G environment
Shipping and Storage Temperature Range: -40°F to +140°F (-40°C to +60°C)
Approximate, Dimensions: 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 (127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase)
Weight lb. (kg): 1 lb 13 oz (0.8 kg)
Approvals, Swiss RE: Acceptable
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