Tuning Menu; Combustion Cal Menu - Watts Aerco Benchmark OMM-0117 Operation And Maintenance Manual

Benchmark 5000-6000 Operation & Maintenance Manual
SECTION 2: OPERATION

2.7 TUNING Menu

The Tuning menu items in Table 2-5 are Factory set for each individual unit. Do not change
these menu entries unless specifically requested to do so by factory-trained personnel.
TABLE 2-5: TUNING Menu
MENU ITEM DISPLAY
1 Prop Band
2 Integral Gain
3 Derivative Time
4 Warmup Prop Band
5 Warmup Int Gain
6 Warmup PID timer
7 Reset Defaults?

2.8 COMBUSTION CAL Menu

The Combustion Cal (Calibration) menu is protected by the level 2 password (6817) which must
be entered to view or change the menu items shown in Table 2-6. These menu items are used
to vary the speed of the unit's blower motor based on air temperature and air density at
prescribed Air/Fuel Valve positions (% open). This is accomplished by providing a DC drive
voltage to the motor which then adjusts the rotational speed of the blower to maximize
combustion efficiency and ensure the unit conforms to the Nitrogen Oxide (NOx) and Carbon
Monoxide (CO) emissions specified in Section 4.5: Combustion Calibration of the Benchmark
5000 – 6000 Installation and Startup Guide, OMM-0117 (GF-202). The valve positions (%) and
default drive voltages are listed in Table 2-6.
TABLE 2-6: COMBUSTION CAL Menu
MENU ITEM DISPLAY
1 CAL Voltage 18%
2 CAL Voltage 30%
3 CAL Voltage 40%
4 CAL Voltage 50%
5 CAL Voltage 70%
6 CAL Voltage 100%
7 SET Valve Position
8 Blower Output
9 Set Stdby Volt
10 Oxygen Level
OMM-0118_B • GF-203 • 5/9/2019
AVAILABLE CHOICES OR LIMITS
Minimum
1°F (0.55°C)
0.00
0.0 min
1°F (0.55°C)
0.00
0 sec.
Yes, No, Are You Sure?
BENCHMARK 6000 *
Minimum Maximum
1.70 2.70
1.90 2.50
1.90 3.40
2.20 3.50
3.20 4.40
7.20 10.00
0% 100%
Monitor Blower Output Voltage
0 4.00 V
0% 25%
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
DEFAULT
Maximum
120°F (66°C) 70°F (38.5°C)
2.00
2.00 min
120°F (66°C) 95 °F (52°C)
2.00
240 sec.
BENCHMARK 5000 *
Default Minimum
2.20 1.9
2.00 3.0
2.25 3.8
2.70 3.8
3.95 4.0
8.00 6.7
Variable 0%
0/2.00 V 0
Variable 0%
1.00
0.0min
0.50
20 sec.
No
Maximum Default
2.5 2.05
5.0 3.80
5.5 4.50
5.3 4.30
6.0 4.80
9.0 7.70
100% Variable
4.00 V 0/2.00 V
25% Variable
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