Honeywell HC900 - Communications Installation; Wiring and cabling

Function Blocks
CARB Carbon Potential Function Block
Revision 11 HC900 Hybrid Control Designer Function Block Reference Guide 115
2/07
Table 36 Carbon Potential tab configuration parameters
Properties Group Parameter Index # Parameter Description Value or Selection
Furnace
Properties
Furnace
Factor
57
Allows you to adjust the %
Carbon as measured by the
controller to agree with the
results of actual shim stock
tests. This adjustment may be
needed to correct for specific
furnace characteristics such as
atmosphere differences, probe
location, and furnace leaks.
–0.5 %C to +0.5 %C
Use Anti
soot
constant
58
Activates anti-sooting feature
that limits the working setpoint
of the carbon control loop to a
value that prevents sooting in
the furnace.
Click on block to select
SP HLIM is used for anti-
soot.
Low
Temperature
Limit
60
Holds controller output to 0 %
until limit is exceeded.
0 to 2500 degrees F
(1400° recommended)
Unit should match C/F
selection
Temperature
Units
59
Probe temperature units for
display.
Click on radio button to
select
Fahrenheit or Centigrade
Percent
Hydrogen
62 Percent Hydrogen 1 to 100
default = 40
CO Properties %CO
55
Allows you to adjust % Carbon
measurement to compensate
for variations in the amount of
CO in the carrier gas.
2.0 to 35.0
default = 20
Use Actual %
CO
56
Function block will use the
actual % Carbon Monoxide that
is defined through an analog
input.
Click on block to select
O2 Probe
Manufacturer
Carbon
Probe
Vendor
N/A
Select from Drop Down List of
Manufacturers.
• Advanced Atmosphere
Control Corp.
• Furnace Control Corp.
• Marathon Monitors
• Super Systems Inc.