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7800 SERIES EC7810A, EC7820A RELAY MODULES
5
66-2040
Communications:
Q7700B1004 Network Interface Unit with universal 100 to
250 Vac, 50/60 Hz external power supply, external
modem required.
QS7800A1001 ControlBus Module, standard.
QS7800B1000 ControlBus Module, multidrop.
QS7800C1009 ControlBus Module, data acquisition
modules.
QS7800D1008 ControlBus Module, Armstrong.
QS7800E1007 ControlBus Module, Pulsafeeder.
QS7850A1006 ControlBus Module, General Purpose
Interface.
ZM7850A1001 Combustion System Manager™ Software.
ZM7850B1000 SYSNet™ Facilities Integration Software.
S7810A1009 Data ControlBus™ Module (if no KDM is
used).
S7810B1007 Data ControlBus™ Module, Multi-Drop
Switch Module.
Table 4. Flame Detection System
a
Order flame rod separately; see holder instructions.
b
Use only Honeywell Photocell part number 38316.
c
Dynamic Self-Check ultraviolet amplifiers should be used only on burners that cycle on-off at least once every 24 hours.
Appliances with burners that remain on continuously for 24 hours or longer should use C7061A Flame Detector with R7861A
Amplifier.
d
C7027, C7035 and C7044 Flame Detectors should be used only on burners that cycle on-off at least once every 24 hours.
Appliances with burners that remain on continuously for 24 hours or longer should use C7061A Flame Detector with R7861A
Amplifier as ultraviolet flame detection system.
e
Circuitry tests the flame signal amplifier at least 12 times a minute during burner operation and shuts down the boiler if the
amplifier fails.
f
Circuitry tests all electronic components in the flame detection system (amplifier and detector) 12 times a minute during
burner operation and shuts down the burner if the detection system fails.
g
A 220/240 Vac to 120 Vac 10 VA step-down transformer (not provided) must be used to drive the shutter.
Miscellaneous:
S7820A1007 Remote Reset Module.
203541 Data ControlBus Connector, 5-wire.
203765 Remote Display Mounting Bracket.
221729 Relay Module Dust Cover.
204718A Keyboard Display Module Cover, NEMA 4, clear.
204718B Keyboard Display Module Cover, NEMA 1, clear.
204718C Keyboard Display Module Cover, NEMA 4, clear
with reset button.
205321B Flush Display Mounting Kit.
221818A Extension Cable, display, (1524 mm).
221818C Extension Cable, display, (3048 mm).
123514A Rectification Flame Simulator.
203659 Ultraviolet Flame Simulator.
203968A Remote Display Power Supply, 13 Vdc, plug-in.
Plug-in Flame Signal Amplifiers Applicable Flame Detectors
Type Color Self-Checking Model
Flame Failure
Response
Time Fuel Type Models
Rectification Green No R7847A 1 or 2 sec
maximum.
Gas Rectifying
Flame Rod
Holders
a
C7004, C7007, C7011.
Complete Assemblies:
C7008, C7009, Q179.
No R7847A 1 or 2 sec
maximum.
Oil Rectifying
Photocell
C7003, C7010, C7013,
C7014.
b
Dynamic
Ampli-Check™
R7847B 1 or 2 sec
maximum.
Gas Rectifying
Flame Rod
Holders
a
C7004, C7007, C7011.
Complete Assemblies:
C7008, C7009, Q179.
Dynamic
Ampli-Check™
R7847B 1 or 2 sec
maximum.
Oil Rectifying
Photocell
d
C7003, C7010, C7013,
C7014.
b
Ultraviolet Purple No
c
R7849A 1 or 2 sec
maximum.
Gas, oil Ultraviolet
(Minipeeper)
C7027,C7035, C7044
d
.
Dynamic
Ampli-Check™
R7849B 1 or 2 sec
maximum.
Gas, oil Ultraviolet
(Minipeeper)
C7027,C7035, C7044
d
.
Dynamic
Self-Check
R7861A
c,f
1 or 2 sec
maximum.
Gas, oil Ultraviolet C7061.
g
Blue Dynamic
Self-Check
R7886A
c,f
2 sec
maximum.
Gas, oil,
coal
Ultraviolet
(Adjustable
Sensitivity)
C7076.
g