Honeywell R7861 Thermostat User Manual


 
R7824, R7847, R7848, R7849,R7851,R7861, R7886 AMPLIFIERS FOR 7800 SERIES RELAY MODULES
65-0109—8 2
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1.
Your local Home and Building Control Sales Office (check white pages of your phone directory).
2.
Home and Building Control Customer Relations
Honeywell, 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONS
Models:
Flame Detection Systems (see Table 2):
Rectification:
R7824C for use with C7024E,F Solid State Ultraviolet
Detectors.
R7847A for use with flame rods, rectifying photocells or
C7012A,C Solid State Ultraviolet Detectors.
R7847B for use with flame rods, rectifying photocells or
C7012A,C Solid State Ultraviolet Detectors.
R7847C for use with C7012E,F Solid State
Ultraviolet Detectors.
Infrared:
R7848A for use with C7015 Infrared (lead sulfide) Detector.
R7848B for use with C7015 Infrared (lead sulfide) Detector.
Ultraviolet:
R7849A for use with C7027/C7035/C7044 Minipeeper Ultravi-
olet Detectors.
R7849B for use with C7027/C7035/C7044 Minipeeper Ultravi-
olet Detectors.
R7861A for use with C7061A Ultraviolet Detector.
R7886A for use with C7076A,D Ultraviolet Detectors with
adjustable sensitivity.
Optical:
R7851B for use with C7927, C7935, C7915 and C7962 Flame
Detectors.
R7851C for use with C7961E Flame Detectors.
Flame Failure Response Time:
See Table 1.
Flame Signal (Volts dc):
Minimum Acceptable: 1.25 Vdc.
Flame Signal Voltage Range (displayed on Keyboard Display
Module or measured with a 1M ohm/volt meter plugged into
amplifier test jacks): 0.0 to 5.0 Vdc.
Environmental Ratings:
Ambient Temperature:
Operating: -40°F to 140°F (-40°C to 60°C).
Storage: -40°F to 150°F (-40°C to 65°C).
Humidity: Operating 85% rh continuous, noncondensing.
Vibration: Continuous 0.5G environment.
Weight:
2.5 oz (71g), unpacked.
Dimensions:
See Fig. 1
Approvals:
Underwriters Laboratories Inc. Listed: File no. MP268, Guide no.
MCCZZ: R7847A, R7847B, R7847C, R7861A, R7886A,
R7848A, R7848B, R7849A, R7849B, R7851B. (R7851C
Pending.)
Underwriters Laboratories Inc. Component Recognized: File no.
MP268, Guide no. MCCZZ: R7824C.
Canadian Standards Association Certified: LR95329-3. (R7851C
Pending.)
Factory Mutual Approved: Report J.I.1V9A0.AF. (R7851C
Pending.)
Industrial Risk Insurers: Acceptable
Table 1. Relay Module Flame Failure
Response Time (FFRT).
Fig. 1. Flame amplifier dimensions in in. (mm).
NOTE: .NOTE: EN298 Approved: When these amplifiers are
used with an EC7810, EC7820, EC/RM7830, or
EC/RM7850 Relay Module.
Accessories:
Flame Simulators:
Rectification: 123514A.
Ultraviolet: 203659.
Flame Detectors (ordered separately): select from Table 2.
Relay Module
Flame Failure Response
Time (FFRT) in seconds
0.8 or 1 2.0 or 3.0
EC7810, EC7820, EC/RM7830,
EC/RM7850
1.0 2.0
EC/RM7823, EC/RM7885, EC/
RM7890, EC/RM7895, RM7896,
RM7888, RM7838, RM7800,
RM7840
0.8 3.0
RM7824 N/A 3.0
S
–+
FLAME AMPLIFIER
3/8 (9)
3
(76)
M11460
3-9/16 (91)
7/8
(23)