Aerco Benchmark BMK 750 User Manual page 80

Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
APPENDIX A: BOILER MENU DESCRIPTIONS
TABLE A-6: CALIBRATION Menu Item Descriptions
MENU OPTION
Supply Gas Pressure
26
In Adj
27 Gas Plate dp In Adj
28 mA Out Adj
29 A/F Sensitivity
30 Power Reset
31 Water Temp Reset
32 Gas Press Reset
33 Min Off Time
34 Heatr Tuning Dsp
35 Heatr Bkpt Dsp
36 Stop Level
37 Start Level
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.
38 – Skip Range CNTR
39
– Skip Range Span
40 – Skip Speed
O2 Settings:
Items 41 – 43 allow calibration of oxygen readings.
41 – O2 Gain
42 – O2 Offset
43 – O2 Sensor
44 Cal Temp Sensors
Temperature Channel Offset:
Items 45 – 50 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
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Allows adjustment of the Supply Gas Pressure level from
-5.0% to +5.0% in 0.1 % increments.
Allows adjustment of the Gas Plate dp level from -5.0% to +5.0%
in 0.1% increments.
Allows adjustment of the milliamp output from -5.0 mA to +5.0
mA.
Allows adjustment of the Air/Fuel (A/F) Valve stepper motor
sensitivity to be adjusted from 1% to 5% in 1% increments.
Allows the Power Reset Option to be set to AUTO or MANUAL.
Allows the Water Temperature Reset function to be set to AUTO
or MANUAL.
Allows the Gas Pressure Reset function to be set to AUTO or
MANUAL.
Allows the minimum Off time to be set from 0 to 10 minutes.
Allows Heater Tuning Display to be Enabled or Disabled.
Allows Heater Breakpoint Display to be Enabled or Disabled.
When Enabled, Breakpoints can be viewed and/or changed.
Allows the Stop Level to be set to a valve position ranging from
0% to the presently set 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%.
Defines the Center (Fire Rate) of the skip band.
Defines the + and – band of the Skip Zone Size.
Defines the speed (Seconds/Fire Rate) at which the band will be
skipped.
Range = 0.5 to 1.5. (Unity Gain, No Mods)
Range = -3.0 to +3.0.
Enables the O
2
Allows calibration of the temperature sensor
Range: -20 to + 20 (either ºF or °C)
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
DESCRIPTION
Sensor
OMM-0128_0C
GF-206-K