Honeywell 7800 Series Relay Modules Manual

About Honeywell 7800 Series Relay Modules Manual

APPLICATION

The Honeywell RM7800/RM7840 Relay Modules are microprocessor-based integrated burner controls for automatically fired gas, oil, or combination fuel single burner applications. The RM7800/RM7840 Relay Modules are used for UL/CSA On/Off, UL/CSA Modulating, and FM/IRI Modulating burner applications. The RM7800/RM7840 system consists of a Relay Module. Keyboard Display Modules (standard with RM7800), Dust Cover (standard with RM7840), Subbase, Amplifier, and Purge Card. Options include Personal Computer Interface, DATA CONTROLBUS MODULE™, Remote Display Mounting, First-Out Expanded Annunciator and Combustion System Manager™ Software.

Functions provided by the RM7800/RM7840 include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting. The RM7800/RM7840 is a solid state replacement for the electromechanical R4140 Automatic Programming Control.

This document provides installation and static checkout instructions. Other applicable publications are:
65-0084:Q7800A,B 22-Terminal Wiring Subbase Product
Data.
65-0089:ST7800A Plug-In Purge Timer Installation
Instructions.
65-0090:S7800A Keyboard Display Module Product Data.
65-0091:S7810A Data ControlBus Module™ Product Data.
65-0095:S7820 Remote Reset Module Product Data.
65-0097:221729C Dust Cover Packing Sheet.
65-0101:S7830 Expanded Annunciator Product Data.
65-0109:R7824, R7847, R7848, R7849, R7851, R7861,
R7886 Flame Amplifiers for the 7800 SERIES Product
Data.
65-0131:221818A Extension Cable Assembly Product
Data.
65-0228:7800 SERIES Multi-Drop Switch Module Product
Data.
65-0229:7800 SERIES RELAY MODULES Checkout and
Troubleshooting Product Data.
65-0249:S7810M ModBus™ Module Product Data.

Honeywell 7800 Series SPECIFICATIONS

Electrical Ratings, see Table 3:
Voltage and Frequency: 120 Vac (+10/-15%), 50 or 60 Hz (±10%).
Power Dissipation: RM7800/RM7840: 10W maximum.
Maximum Total Connected Load: 2000 VA.
Fusing: 15A maximum, Type SC or equivalent Fast Blow.

Environmental Ratings:

Ambient Temperature:
Operating: -40°F to +140°F (-40°C to +60°C).
Storage: -40°F to +150°F (-40°C to +66°C).
Humidity: 85% relative humidity continuous, noncondensing.
Vibration: 0.5G environment.

Approvals:

Underwriters Laboratories Inc. Listed: File No. MP268,
Guide No. MCCZ.
Canadian Standards Association Certified: LR9S329-3.
Factory Mutual Approved: Report No. J.I.1V9A0.AF.
IRI Acceptable.
Federal Communications Commission

Honeywell 7800 Series INSTALLATION

When Installing this Product...

  1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition.
  2. Check the ratings given in the instructions and marked on the product to make sure the product is suitable for the application.
  3. Installer must be a trained, experienced, flame safeguard service technician.
  4. After installation is complete, check out the product operation as provided in these instructions.

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Honeywell 7800 Series Relay Modules Manual