Owner manual

Benchmark 1500DF - 2000DF Boilers
APPENDIX A – BOILER MENU DESCRIPTIONS
OMM-0098_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 137 of 196
GF-144 Ph.: 800-526-0288 04/01/2014
Appendix A: BOILER MENU ITEM DESCRIPTIONS
MENU LEVEL & OPTION DESCRIPTION
OPERATING MENU
Active Setpoint
This is the setpoint temperature to which the
control is set when operating in the Constant
Setpoint, Remote Setpoint or Outdoor Reset
Mode. When in the Constant Setpoint Mode, this
value is equal to the Internal Setpoint setting in the
Configuration Menu
. When in the Remote
Setpoint Mode, this value is the setpoint equivalent
to the remote analog signal supplied to the unit.
When in the Outdoor Reset Mode, this is the
derived value from the charts in Appendix F.
Inlet Water Temp
Displays the inlet water temperature in °F.
Air Temp
Air Temp is the air temperature at the input to the
Air/Fuel Valve. This reading is one of the
parameters used to control the Blower Motor
speed.
Outdoor Temp
Displayed only if outdoor sensor is installed and
enabled.
Valve Position In
Desired input valve position. This would normally
be the same as the fire valve position shown on
the bargraph (valve position out) when the boiler is
operating.
Exhaust Temp Displays the exhaust temperature (°F)
Flame Strength Displays flame strength from 0% to 100%.
Oxygen Level
Displays the real-time combustion oxygen (O
2
)
level (%) measured by the O
2
sensor.
Run Cycles
Displays the total number of run cycles from 0 to
999,999.
Run Hours
Displays total run time of
unit in hours from 0 to
9,999,999.
Fault Log Displays information on the last 20 faults.