Benchmark 750-3000 Operation, Service & Maintenance Guide-Latin America
APPENDIX A: BOILER MENU DESCRIPTIONS
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80
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162
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0132_A
01/02/2018
Ph.: 800-526-0288
GF-206-LA-LA
TABLE A-6: CALIBRATION Menu Item Descriptions
MENU OPTION
DESCRIPTION
26
Supply Gas Pressure
In Adj
Allows adjustment of the Supply Gas Pressure level from
-5.0% to +5.0% in 0.1 % increments.
27
Gas Plate dp In Adj
Allows adjustment of the Gas Plate dp level from -5.0% to +5.0% in 0.1%
increments.
28
mA Out Adj
Allows adjustment of the milliamp output from -5.0 mA to +5.0 mA.
29
A/F Sensitivity
Allows adjustment of the Air/Fuel (A/F) Valve stepper motor sensitivity to be
adjusted from 1% to 5% in 1% increments.
30
Power Reset
Allows the Power Reset Option to be set to AUTO or MANUAL.
31
Water Temp Reset
Allows the Water Temperature Reset function to be set to AUTO or
MANUAL.
32
Gas Press Reset
Allows the Gas Pressure Reset function to be set to AUTO or MANUAL.
33
Min Off Time
Allows the minimum Off time to be set from 0 to 10 minutes.
34
Stop Level
Allows the Stop Level to be set to a valve position ranging from 0% to the
presently set Start Level.
35
Start Level
Allows the Start Level to be set to a valve position ranging from the presently
set Stop Level to a maximum of 40%.
SKIP FEATURE:
Items 38 – 40 embody a feature that allows the user to define a Fire Zone the C-More will avoid. In the rare
instance when a unit emits an objectionable noise at a certain Fire Rate and no other remedy solves the
problem, a Fire Rate skip zone may be defined to command the C-More to Skip-Over the defined Fire Rate.
36
– Skip Range CNTR
Defines the Center (Fire Rate) of the skip band.
37
– Skip Range Span
Defines the + and – band of the Skip Zone Size.
38
– Skip Speed
Defines the speed (Seconds/Fire Rate) at which the band will be skipped.
O2 Settings
:
Items 39 – 41 allow calibration of oxygen readings.
39
– O2 Gain
Range = 0.5 to 1.5. (Unity Gain, No Mods)
40
– O2 Offset
Range = -3.0 to +3.0.
41
– O2 Sensor
Enables the O2 Sensor
42
Cal Temp Sensors
Allows calibration of the temperature sensor
Temperature Channel Offset:
Items 45 – 48 embody the feature, which allow the user to field calibrate all six temperature channels by
entering an offset corresponding to the desired temperature channel.
45
– FFWD Temp Offset
Range: -20 to + 20 (either ºF or °C)
44
– Exhst Tmp Ofset
Range: -20 to + 20 (either ºF or °C)
45
– Outdr Air Offset
Range: -20 to + 20 (either ºF or °C)
46
– Inlet Air Offset
Range: -20 to + 20 (either ºF or °C)
