Benchmark 750-3000 Boiler Operation, Service, Maintenance Guide - KOREA
APPENDIX A: BOILER MENU DESCRIPTION
OMM-0128_0A
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
71
of
144
GF-206-K
Ph.: 800-526-0288
07/17/2017
Appendix A:
BOILER MENU ITEM DESCRIPTIONS
TABLE A-1: Operating Menu Item Descriptions
See Section 2-4 OPERATING Menu for a range of choices and the default values.
TABLE A-1: OPERATING Menu Item Descriptions
MENU OPTIONS
DESCRIPTION
1
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 E.
2
Outlet Temp
Displays the outlet water temperature.
3
Inlet Temp
Displays the inlet water temperature.
4
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.
5
Outdoor Temp
Outdoor temperature is displayed in ºF or ºC, only if outdoor
temperature sensor is installed and enabled.
6
Valve Position In
Desired input valve position. This would normally be the same
as the fire valve position shown on the bar graph (valve position
out) when the boiler is operating.
7
Valve Position Out
Displays actual real time Valve Position.
8
FFWD Temp
Displays BST header temperature
9
Exhaust Temp
Displays the exhaust temperature in °F (default) or ºC.
10
Flame Strength
Displays flame strength from 0% to 100%.
11
Min Flame Str
Not Used
12
O2 Monitor
Enables or disables the O2 Monitor.
13
Oxygen Level
Displays the real-time combustion oxygen (O
2
) level (%)
measured by the O
2
sensor.
14
Ignition Time
Displays the elapsed time between confirmation of gas valve
opening (POC) until a stable flame is detected.
15
SSOV Time to OPN
Displays the elapsed time between 120VAC being applied to the
Gas Valve and confirmation of gas valve opening (POC).
16
Spark Current
Displays the current going to the ignition transformer.
17
Run Cycles
Displays the total number of run cycles.
18
Run Hours
Displays total run time of unit in hours.
