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Environmental & Combustion Controls
RM7895C1012
On-Off Primary Control with PrePurge - Interrupted Pilot

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Overview
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.

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Product Prices
Product No Product Base Price($) Order Quantity
RM7895C1012/U
1 + $1,237.03

Features

• Functions include automatic burner sequencing, flame supervision, system status indication, system or self-diagnostics and troubleshooting.
• Subbase, amplifier, and prepurge timer 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.
• Airflow switch check.
Product Specifications  Back To Top
Application On-Off Primary Control with Prepurge
Flame Establishing Period - Pilot 4 sec or 10 sec
Flame Establishing Period - Main 10 sec
Interlocks Selectable
PrePurge Determined by ST7800A Purge Timer Card
Required Components Q7800A,B Universal Wiring Subbases. R7847, R7848, R7849, R7851, R7852, R7861, or R7886 Flame Signal Amplifier. ST7800A Plug-in Purge Timer Card.
Voltage 120 Vac (+10, -15%)
Frequency 50 Hz
Frequency 60 Hz (±10%)
Delayed Main Valve Yes
Pilot Type interrupted
Vibration 0.5 G environment
Ambient Temperature Range (F) -40 F to +140 F
Ambient Temperature Range (C) -40 C to +60 C
Dimensions (in.) 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
Dimensions (mm) 127 mm wide x 127 mm high x 133 mm deep with Q7800A Subbase x 155 mm deep with Q7800B Subbase
Weight (lb) 1 lb 15 oz
Weight (kg) 0.9 kg
Approvals, Underwriters Laboratories Inc Component Recognized, File No. MP268; Guide No. MCCZ.
Approvals, Canadian Standards Association Certified, File No. LR95329-3.
Approvals, Control Safety Devices Acceptable: CSD-1
Approvals, Federal Communications Commission FCC Part 15, Class B, Emissions
Approvals, Swiss RE (formerly IRI) Acceptable
Approvals, Factory Mutual Report No. OX4A5.AF.
Used With 7800 Series Amplifiers

Literature and other Resources Download Back To Top
Product Data - (RM7895 100 Vac 7800 Series Relay Modules)
Product Data - (RM7895 100 Vac 7800 SERIES Relay Modules)
Cross Reference - (RM7895 Programmer Control Cross Reference)
Product Data - (RM7895E Relay Modules-7800 SERIES)
Specification Data - (RM7895E Relay Modules—7800 SERIES)
Installation Instructions - (RM7895D 7800 SERIES Relay Modules)
Specification Data - (RM7895D Relay Modules-7800 SERIES)
Cross Reference - (RM7895. R485 Honeywell Primary Control Cross Reference)
Product Data - (RM7895A 7800 SERIES Relay Module)
Wiring Conversion - (RM7895 Conversion Wiring Diagrams-7800 SERIES)
RM7890 LED sequence status display information Main(LineArt)
RM7890 LED sequence status display information Main(LineArt - Web Quality Image)
Mounting dimensions of relay Module and subbase Dimension(LineArt)
Mounting dimensions of relay Module and subbase Dimension(LineArt - Web Quality Image)
Mounting dimensions of relay Module and subbase Dimension(LineArt)
Mounting dimensions of relay Module and subbase Dimension(LineArt - Web Quality Image)
Flame Detector wiring Wiring(LineArt)
Flame Detector wiring Wiring(LineArt - Web Quality Image)
Wiring the RM7890D relay module Wiring(LineArt)
Wiring the RM7890D relay module Wiring(LineArt - Web Quality Image)
RM7890 Sequence Chart(LineArt)
RM7890 Sequence Chart(LineArt - Web Quality Image)
Wiring the RM7895E RM7895F Relay Module Wiring(LineArt)
Wiring the RM7895E RM7895F Relay Module Wiring(LineArt - Web Quality Image)
RM7895E RM7895F Sequence Chart(LineArt)
RM7895E RM7895F Sequence Chart(LineArt - Web Quality Image)
RM7895 LED sequence status display information Main(LineArt)
RM7895 LED sequence status display information Main(LineArt - Web Quality Image)
Internal block diagram of RM7890 Wiring(LineArt)
Internal block diagram of RM7890 Wiring(LineArt - Web Quality Image)
Internal block diagram of Rm7895 relay Module Wiring(LineArt)
Internal block diagram of Rm7895 relay Module Wiring(LineArt - Web Quality Image)
Mounting dimensions of relay Module and subbase Dimension(LineArt)
Mounting dimensions of relay Module and subbase Dimension(LineArt - Web Quality Image)
Jumper configuration for RM7895 Relay Module Cover Open(Photo_BW - Web Quality Image)
Jumper configuration for RM7895 Relay Module Cover Open(Photo_BW - Print Quality Image)
Jumper configuration for RM7895 Relay Module Cover Open(Photo_BW - Web Quality Image)
Jumper configuration for RM7895 Relay Module Cover Open(Photo_BW - Print Quality Image)
RM7840 RM7885 RM7890 RM7895 Flame Safeguard Relay Modules for Burner Control Ad Slick(LineArt)
RM7840 RM7885 RM7890 RM7895 Flame Safeguard Relay Modules for Burner Control Ad Slick(LineArt - Web Quality Image)
Relay Module Exploded(LineArt)
Relay Module Exploded(LineArt - Web Quality Image)
Relay Module Exploded(LineArt)
Relay Module Exploded(LineArt - Web Quality Image)
Primary Control Main(Photo_BW - Web Quality Image)
Primary Control Main(Photo_BW - Print Quality Image)
Relay Module Callouts(LineArt)
Relay Module Callouts(LineArt - Web Quality Image)
Relay Module Callouts(LineArt)
Relay Module Callouts(LineArt - Web Quality Image)
Relay Module Callouts(LineArt)
Relay Module Callouts(LineArt - Web Quality Image)
Vapor Callouts(LineArt)
Vapor Callouts(LineArt - Web Quality Image)
Vapor Callouts(LineArt)
Vapor Callouts(LineArt - Web Quality Image)
7800 SERIES Relay Module Wiring(LineArt)
7800 SERIES Relay Module Wiring(LineArt - Web Quality Image)
7800 SERIES Relay Module Wiring(LineArt)
7800 SERIES Relay Module Wiring(LineArt - Web Quality Image)
7800 SERIES Relay Module Architecture(LineArt)
7800 SERIES Relay Module Architecture(LineArt - Web Quality Image)
7800 SERIES Relay Module Wiring(LineArt)
7800 SERIES Relay Module Wiring(LineArt - Web Quality Image)
7800 SERIES Relay Module Dimension(LineArt)
7800 SERIES Relay Module Dimension(LineArt - Web Quality Image)
7800 SERIES Relay Module Dimension(LineArt)
7800 SERIES Relay Module Dimension(LineArt - Web Quality Image)
Relay Module Wiring(LineArt)
Relay Module Wiring(LineArt - Web Quality Image)
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