Instruction Manual

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
APPENDIX A – BOILER MENU ITEM DESCRIPTIONS
OMM-0082_0J AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 139 of 192
GF-130 Ph.: 800-526-0288 05/21/2014
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 D.
Inlet Water Temp
Displays the inlet water temperature in ºF or ºC. Default
is ºF
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 Outdoor temperature is displayed in ºF (default) or ºC
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 in °F (default), or ºC.
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.