AERCO BMK 2000DF - Manual (Page 139)

Benchmark 1500DF - 2000DF Boilers
APPENDIX A – BOILER MENU DESCRIPTIONS
OMM-0098_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 139 of 196
GF-144 Ph.: 800-526-0288 04/01/2014
Appendix A: Boiler Menu Item Descriptions – Continued
MENU LEVEL & OPTION DESCRIPTION
CONFIGURATION MENU
Internal Setpoint Allows internal setpoint to be set (40°F to 240°F). Default is
130°F.
Unit Size Sets unit size from 600 MBH to 6000 MBH depending on the
Unit Type.
Fuel Type Allows selection of Natural Gas or Propane
Boiler Mode
(If Unit Type = Boiler)
It allows selection of: Constant Setpoint, Remote Setpoint,
Direct Drive, Combination, or Outdoor Reset Mode. Default
is Constant Setpoint Mode.
Remote Signal
(If Mode = Remote Setpoint,
Direct Drive or Combination)
Used to set the type of external signal which will be used
when operating in the Remote Setpoint, Direct Drive or
Combination Mode. The factory default is 4-20 mA/1-5V.
Bldg Ref Temp
(If Boiler Mode = Outdoor
Reset)
Allows the building reference temperature to be set when
operating a boiler in the Outdoor Reset Mode. Default is
70°F.
Reset Ratio
(If Boiler Mode = Outdoor
Reset)
Permits setting of Reset Ratio when operating boiler in the
Outdoor Reset Mode. Reset Ratio is adjustable from 0.1 to
9.9. Default is 1.2.
Outdoor Sensor Allows outdoor sensor function to be enabled or disabled.
Default is disabled.
System Start Tmp
(If Outdoor Sensor is Enabled) If outdoor sensor is enabled, this menu item allows the
system start temperature to be set from 30 to 100°F.
Default is 60°F.
Setpoint Lo Limit Used to set the minimum allowable setpoint (40°F to
Setpoint Hi Limit). Default is 60°F
Setpoint Hi Limit Used to set the maximum allowable setpoint (Setpoint Lo
Limit to 210°F). Default is 140°F.
Temp Hi Limit This is the maximum allowable outlet temperature (40 to
210°F). Any temperature above this setting will turn off the
unit. The temperature must then drop 5° below this setting to
allow the unit to run. Default Hi Limit is 160°F.
Max Valve Position Sets the maximum allowable valve position for the unit (40%
to 100%). Default is 100%.
Pump Delay Timer Specifies the amount of time (0 to 30 min.) to keep the pump
running after the unit turns off. Default is zero.