Honeywell RM7840M - Manual
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Table of Contents:
- Page 2 – Location; Humidity; Mounting Wiring Subbase; Wiring Subbase; WARNING
- Page 3 – Final Wiring Check
- Page 10 – SAFETY SHUTDOWN
- Page 11 – OPERATION; Sequence of Operation; Initiate
- Page 13 – SETTINGS AND ADJUSTMENTS; Selectable Site-Configurable Jumpers
- Page 14 – STATIC CHECKOUT; Equipment Recommended
- Page 16 – CAUTION
INSTALLATION INSTRUCTIONS
66- 1085- 3
® U.S. Registered Trademark
Copyright © 2002 Honeywell • All Rights Reserved
RM7800E,G,L,M; RM7840E,G,L,M
7800 SERIES Relay Modules
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.
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, Part 15,
Class B—Emissions.
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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Summary
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES 66-1085—3 2 WARNING Fire or Explosion Hazard. Can cause property damage, severe injury, or death. To prevent possible hazardous burner operation, verify safety requirements each time a control is installed on a burner. WARNING Electrical Shock H...
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES 3 66-1085—3 4. All wiring must comply with all applicable electrical codes, ordinances and regulations. Wiring, where required, must comply with NEC, Class 1 (Line Voltage) wiring. 5. Recommended wire size and type: see Table 1. 6. Recommended g...
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES 66-1085—3 10 Fig. 5. RM7800/RM7840 Relay Module exploded view. SAFETY SHUTDOWN Safety Shutdown (Lockout) occurs if any of the following occur during the indicated period: 1. INITIATE Period:a. Purge card is not installed or is removed.b. Purge c...
