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7800 SERIES
RM7896D Relay Module
APPLICATION
The Honeywell RM7896D1027 is a microprocessor based
integrated burner control for automatically fired gas, oil, or
combination fuel single burner applications. The
RM7896D1027 consists of the Relay Module. Subbase,
Amplifier and Purge Card are required to complete the
system. Options include Keyboard Display Module,
Personal Computer Interface, Data ControlBus™ Module,
Remote Display Module, First-Out Expanded Annunciator
and Combustion System Manager® Software.
NOTE: The RM7896D1027 differs from the standard
RM7896D as follows:
1.
Ignition terminal no. 10 shuts off five seconds
into the Pilot flame Establishing Period.
2.
Post Purge has 60 seconds duration.
3.
PURGE STATUS LED replaces the FLAME LED.
4.
POWER LED blinks a fault code when device/
system is in alarm.
This document covers the following models:
RM7896D1027
RM7896D2027
This document provides installation and static checkout
instructions. Other applicable publications are:
Table 1. Other applicable publications
Form
Number
63-2278
Q7700A Network Interface Unit Product Data
65-0084
Q7800A,B 22-Terminal Wiring Subbase
Product Data
65-0090
S7800A 2-line VFD Keyboard Display Module
Product Data
32-00110 S7800A 4-Line LDC Keyboard display module
product data
65-0091
S7810A Data ControlBus Module™ Product
Data
Description
SIL
3
Capable
INSTALLATION INSTRUCTIONS
Form
Number
65-0095
S7820 Remote Reset Module Product Data
65-0097
221729C Dust Cover Packing Sheet
65-0101
S7830 Expanded Annunciator Product Data
32-00235 R7824, R7847, R7848, R7849, R7851, R7861,
R7886 Flame Amplifiers for the 7800 SERIES
Product Data
65-0131
221818A Extension Cable Assembly Product
Data
65-0229
7800 SERIES RELAY MODULES Checkout
and Test
32-00156 RM7895A,B,C,D/EC7895A,C; RM7896A,C,D
7800 SERIES RELAY MODULES
SPECIFICATIONS
SIL 3 Capable:
SIL 3 Capable in a properly designed Safety Instrumented
System. See form 65-0312 for Certificate Agreement
APPROVALS:
Underwriters Laboratories Inc. Listed: File No. MP268.
UL 372 and 60730-2-5 / CSA C22.2 No. 60730-2-5.
Factory Mutual Approved: Report No. 1V9A0 AF.
Swiss Re (formerly Industrial Risk Insurers): Acceptable.
Federal Communications Commission: Part 15, Class B,
Emissions.
Exida: Certificate HCC 1702010 C001. IEC 61508:2010
Parts 1-7, SIL 3 capable.
EAC Russia
Description
32-00208-01
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Summary of Contents for Honeywell 7800 Series
- Page 1 Amplifier and Purge Card are required to complete the 32-00235 R7824, R7847, R7848, R7849, R7851, R7861, system. Options include Keyboard Display Module, R7886 Flame Amplifiers for the 7800 SERIES Personal Computer Interface, Data ControlBus™ Module, Product Data Remote Display Module, First-Out Expanded Annunciator...
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Page 2: Installation
7800 SERIES RM7896D RELAY MODULE INSTALLATION IMPORTANT 1. For on-off gas-fired systems, some authorities who have jurisdiction prohibit the wiring of any limit or operating contacts in series between the WARNING flame safeguard control and the main fuel valve(s). 2. Two flame detectors can be connected in parallel Fire or Explosion Hazard. - Page 3 7800 SERIES RM7896D RELAY MODULE Relay Module and Subbase Mounting Wiring Subbase Compatiblity NOTE: For installation dimensions, see Fig. 2 or 3. NOTE: There are several different subbase models that 1. Mount the subbase in any position except can be purchased. It is important to note which...
- Page 4 7800 SERIES RM7896D RELAY MODULE WIRING ground. For a ground path to be low impedance at RF frequencies, the connection must be made with minimum length conductors that have a 1. For proper wiring, refer to Fig. 3. For proper remote maximum surface area.
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Page 5: Operation
7800 SERIES RM7896D RELAY MODULE ASSEMBLY CAUTION Equipment Damage Hazard. Assembly instructions for the RM7896D1027 are identical Dielectric test can seriously damage equipment. to those in 32-00156. Do not perform a dielectric test with the RM7896D1027 installed. Internal surge protectors OPERATION will break down and conduct current. -
Page 6: Troubleshooting
7800 SERIES RM7896D RELAY MODULE TROUBLESHOOTING Use Table 3 to identify fault code numbers, possible system failure and recommended troubleshooting procedures. Q7800 FOR DIRECT SPARK IGNITION (OIL OR GAS) IGNITION TRANSFORMER 120V ALARM BURNER MOTOR MAIN VALVE (BLOWER) (L1) BURNER... - Page 7 7800 SERIES RM7896D RELAY MODULE Table 2. Static checkout. Test Test If Operation is Abnormal, Jumpers Voltmeter Normal Operation Check the Items Listed Below WARNING Explosion Hazard and Electrical Shock Hazard. Can cause serious injury, death or equipment damage. Close all manual fuel shutoff valves before starting these tests.
- Page 8 7800 SERIES RM7896D RELAY MODULE Table 3. RM7896D1027 Blinking Fault Codes and Recommended Troubleshooting. Fault Code System Failure Recommended Troubleshooting Code 1-1 Low AC line detected. 1. Check the relay module and display module connections. *Low AC Line 2. Reset and sequence the RM7896.
- Page 9 7800 SERIES RM7896D RELAY MODULE Table 3. RM7896D1027 Blinking Fault Codes and Recommended Troubleshooting. (Continued) Fault Code System Failure Recommended Troubleshooting Code 3-2 Lockout interlock 1. Check wiring to make sure that the Lockout Interlocks are connected *Running/ powered at improper properly between terminals 6 and 7.
- Page 10 7800 SERIES RM7896D RELAY MODULE Table 3. RM7896D1027 Blinking Fault Codes and Recommended Troubleshooting. (Continued) Fault Code System Failure Recommended Troubleshooting Code 6-2 Relay Module Self-Test 1. Reset and sequence the Relay Module. *Internal failure. 2. If fault reappears, remove power from the device, reapply power, then reset Faults* and sequence the Relay Module.
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Page 11: Safety And Security
7800 SERIES RM7896D RELAY MODULE SAFETY AND SECURITY Physical device protection Device shall be accessible to authorized personnel only – Installation on publicly accessible places is not recommended as this could lead to unwanted and potentially unsafe changes to device (wiring, configuration, etc). - Page 12 7800 SERIES RM7896D RELAY MODULE For More Information The Honeywell Thermal Solutions family of products includes Honeywell Combustion Safety, Eclipse, Exothermics, Hauck, Kromschröder and Maxon. To learn more about our products, visit ThermalSolutions.honeywell.com or contact your Honeywell Sales Engineer. Honeywell Process Solutions...