Instruction Manual

Benchmark 750/1000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 3 – OPERATION
Page 46 of 192 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0082_0J
05/21/2014 Ph.: 800-526-0288 GF-130
Table 3-4: Configuration Menu - Continued
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
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
Low Fire Timer 2 sec. 600 sec. 2 sec.
Setpt Limiting Enabled or Disabled Disabled
Setpt Limit Band 0°F 10°F 0
Network Timeout 5 Sec 999 Sec 30 Sec
HI DB Setpt EN 0% 100% 30%
Demand Offsert 0 25 0
Deadband High 0 25 0
Deadband Low 0 25 0
Spark Monitor Enabled or Disabled Disabled
Spark Current Display
DO NOT CHANGE the Analog Output Menu Item from its Default
setting (Valve Position 0-10V).
3.7 TUNING MENU
The Tuning Menu items shown in Table 3-5 are Factory set for each individual unit. Do not
change these menu entries unless specifically requested to do so by Factory-Trained personnel.
Table 3-5: Tuning Menu
Menu Item Display
Available Choices or Limits
Default
Minimum
Maximum
Prop Band
1°F 120°F 8°F
Integral Gain
0.00 2.00 1.6
Derivative Time
0.0 min 2.00 min 0.10 min
Warmup Prop Band
0°F 120°F 95°F
Warmup Int Gain
0 2.00 0.50
Warmup PID timer
0 sec. 240 sec. 20 sec.
Reset Defaults?
Yes, No, Are You Sure? No
CAUTION