RM7895A,B,C,D/EC7895A,C;
RM7896A,C,D
7800 SERIES Relay Modules
APPLICATION
The RM7895A,B,C,D/EC7895A,C; RM7896A,B,C,D are micro-
processor-based integrated burner controls for automatically
fired gas, oil, or combination fuel single burner applications.
They are intended to replace the R4795 and R7795 Primary
Controls. The RM7895A,B,C,D/EC7895A,C; RM7896A,B,C,D
systems consist of a relay module, subbase, amplifier, and
purge card. Options include: 2-line VFD (see document 65-
0090-6) or 4-line LCD (see document 32-00110-01) Key-
board Display Module, Personal Computer Interface, Data
ControlBus™ Module, remote display mounting, expanded
annunciator and Combustion System Manager® Software.
Functions provided by the RM7895A,B,C,D/EC7895A,C;
RM7896A,B,C,D include automatic burner sequencing, flame
supervision, system status indication, system or self-diagnos-
tics and troubleshooting. The RM7896 provides a postpurge
function.
This document covers the following 7800 Series Relay
Modules:
1000-Series
• RM7895A1014
• RM7895A1048
• RM7895B1013
• RM7896A1012
• RM7895C1020
• RM7895C1012
• RM7895D1011
• RM7896C1010
• RM7896D1019
• EC7895A1010
• EC7895C1000
2000-Series
• RM7895A2014
• RM7895A2048
• RM7895B2013
• RM7896A2012
• RM7895C2020
• RM7895C2012
• RM7895D2011
• RM7896C2010
• RM7896D2019
• EC7895A2010
• EC7895C2000
SIL
Capable
This document provides installation and static checkout in-
structions. Other applicable publications are:
Publication
No.
32-00110
S7800A2142 4-line LCD Keyboard Display
Module Product Data
32-00166
204729A/C KDM NEMA4 Covers for 4-line
LCD KDM
32-00235
R7824, R7847, R7848, R7849, R7861,
R7886 Flame Amplifiers for the 7800
SERIES Product Data
65-0084
Q7800A,B 22-Terminal Wiring Subbase
Product Data
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 Instructions
65-0131
221818A Extension Cable Assembly
Product Data
65-0228
S7810B Multi-Drop Switch Module
Product Data
65-0229
7800 SERIES Relay Modules Checkout
and Troubleshooting Product Data.
65-0249
S7810M ModBus Module (For CE ,
Modbus module S7810M1029 only).
65-0295
50023821-001/2 KDM NEMA4 Covers for
classic 2-line VFD KDM
65-0089
ST7800A,C Plug-In Purge Timer
SPECIFICATIONS
Electrical Ratings (See Table 3):
Voltage and Frequency:
RM7895/RM7896: 120 Vac (+10/-15%), 50/60 Hz (±
10%).
EC7895A,C: 220-240 Vac (+10%/-15%), 50/60 Hz
(±10%)
Power Dissipation: 10W maximum.
Maximum Total Connected Load: 2000 VA.
Fusing Total Connected Load: 15A Fast Blow, type SC or equiv-
alent.
3
INSTALLATION INSTRUCTIONS
Edition 03.20 · 32-00156-03 · EN
Product
32-00156-03