5 750-265
Cycle and Time History
The non-volatile memory will contain the following parameters
and status values related to cycle counts and elapsed
operation time:
• Burner Run Time: hhhhhh:mm
• Burner cycle count: 0-999,999
• CH cycle count: 0-999,999
• DHW cycle count: 0-999,999
• Boiler pump cycle count: 0-999,999
• Auxiliary pump cycle count: 0-999,999
• System pump cycle count: 0-999,999
These are writable parameters so they may be altered if the
CB Falcon is moved, the burner is replaced or some component
is replaced.
There are also two non-writable counters:
• Controller Run Time: hhhhhh:mm
• Control cycle count: 0-999,999
Flame Signal Processing
The flame signal processing will monitor either a flame rod or
a UV flame sensor. The flame signal voltage sent to the
display and the test jacks will be the measured voltage without
clipping and will range from 0V to 10V.
The incoming flame signals will be filtered to eliminate
transient and spurious events.
The Flame failure response time (FFRT) will be 4 seconds.
Temperature Settings
All parameters that provide a temperature will have a possible
value of “None.”
This value will be a special code that is not a legal
temperature. Whenever a function requires a temperature
parameter it will test this parameter for a legal value, and if the
“None” value is found it will respond by generating either an
Alarm or a Lockout, as appropriate to the function, and either
operate in an alternative manner or suspend operation, as
appropriate to the function.
Modbus/EnviraCOM Event Handling
The Modbus and EnviraCOM communication system
responds to queries and can write new values to parameters.
WARNING
Explosion Hazard.
Improper configuration can cause fuel buildup and
explosion.
Improper user operation may result in property loss,
physical injury, or death.
The 833-3577 System Operator Interface used to
change Safety Configuration Parameters is to be done
only by experienced and/or licensed burner/boiler
operators and mechanics.
Response to Writing:
• Safety parameters may be written only when the burner is
in the Standby or Lockout condition, and will become
effective the next time the burner operates.
• Non-safety parameters may be written at any time and will
become effective within a short time (approximately 10
seconds); however, any behavior that is seeded by the
parameter value and is currently in-progress (e.g. a delay
time) may not respond to the change until the next time this
behavior is initiated.
Required Components (not supplied)
Sensor plus Limit (10kohm, Beta = 3950). 12kohm
sensors with Beta of 3750 may be used as sensors, but
not as safety limits.
Part Number
Cable Length (inches)
• 50001464-006 6 with Molex in line connector
• 50001464-007 48 without connector
Sensor only (10 kohm, Beta = 3950)
• 32003971-111 CONTAINS: (2) 118826 ANCHORS;
(3) 199624AB MTG. SCREWS;
(2) 121958 WIRE NUTS;
(1) 32002217-002 SENSOR CLIP;
(2) 291125 TIE STRAP
(1) 4"x4"x1/2" Insulating Tape
• UV Flame Sensor - C7027, C7035, or C7044
• Flame Rods - C7007, 8, 9
• Pilot Burner Assemblies - Q179A, C, C7005
• External Ignition Transformer - Q624A1014, Q652B1006
• Gas Valves - Solenoid V8295 (24Vac),
V4295/7 (120Vac)
Fluid Power V4055 (120 Vac) with
V5055 or V5097
V4730/V4734/V8730 Premix valves
with Venturi
• Modulation Motor - M7294 (4-20 ma or 0-10Vdc)
• Transformer (for powering Falcon alone 40va minimum) -
AT72D (40VA) AT88 (75VA)
Required but purchased outside Honeywell:
• Circulating Pumps 24 or 120 Vac
• Blower Motor, on/off or VFD
Connectors for field wiring:
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