Aerco Benchmark 2.0 User Manual

CONTROL PANEL OPERATING PROCEDURES
Table 3-4. Configuration Menu - Continued
Available Choices or Limits
Menu Item Display Minimum Maximum Default
Remote Signal
(If Mode = Remote
Setpoint, Direct Drive
or Combination)
4 – 20 mA/1 – 5V
0 -20 mA/0 – 5V
PWM Input (BMS)
Network
4 – 20 mA,
1-5V
Bldg Ref Temp
(If Mode = Outdoor
Reset)
40°F 230°F 70°F
Reset Ratio
(If Mode = Outdoor
Reset)
0.1 9.9 1.2
Outdoor Sensor Enabled or Disabled Disabled
System Start Tmp
(If Outdoor Sensor =
Enabled)
30°F 100°F 60°F
Setpt Lo Limit 40°F Setpt Hi Limit 60°F
Setpt Hi Limit Setpt Lo Limit 220°F 200°F
Temp Hi Limit 40°F 240°F 210°F
Max Valve Position 40% 100% 100%
Pump Delay Timer 0 min. 30 min. 0 min.
Aux Start On Dly 0 sec. 120 sec. 0 sec.
Failsafe Mode Shutdown or Constant Setpt Shutdown
*Analog Output
(See CAUTION at
end of Table 3-4 )
Off, Setpoint, Outlet Temp,
Valve Position 4-20 mA,
Valve Position 0-10V
*Valve
Position
0-10V
Low Fire Timer 2 sec. 600 sec. 2 sec.
Setpt Limiting Enabled or Disabled Disabled
Setpt Limit Band 0°F 10°F 5°F
Network Timeout 5 Sec 999 Sec 30 Sec
HI DB Setpt EN 0% 100% 30%
Demand Offsert 0 25 10
Deadband High 0 25 2
Deadband Low 0 25 2
*CAUTION:
1. DO NOT CHANGE the Analog Output Menu Item from its Default setting (Valve
Position 0-10V).
3-7

Aerco Benchmark 2.0 Specifications

General

Model	Benchmark 2.0
Category	Boiler
Fuel Type	Natural Gas or Propane
Type	Condensing
Input Capacity	2, 000, 000 BTU/h
NOx Emissions	<20 ppm
Operating Pressure	160 psi
Vent Diameter	6 inches