Benchmark 5000-6000 Operation & Maintenance Manual
APPENDIX A: BOILER MENU DESCRIPTIONS
OMM-0118_B
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GF-203
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5/9/2019
Technical Support
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(800) 526-0288
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Mon-Fri, 8 am - 5 pm EST Page 100 of 148
23
PWM In Adj
Allows the Pulse Width Modulation (PWM) duty cycle to be
adjusted from -5.0% to +5.0% in 0.1% increments.
24
Analog In Adj
Allows adjustment of the analog input from -5.0% to +5.0%.
25
Flow In Adj
Allows adjustment of the water Flow Rate Input from
-5.0% to +5.0%.
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 36
– 38 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
