Watts CEN2000, Installation, Operation And Maintenance Manual

Page: 98 / 131

Centurion Water Heater- Edge [ii]: Install-Operation-Service
SECTION 9: O2 TRIM OPERATION
OMM-0153_A
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CEN2000 O
2
Trim Values
MENU ITEM Minimum Maximum Default
Settle Time 0 120 Sec 20 Sec
O
2
Trim Gain 0.1 5.0 0.250
Max Tries 0 100 15
O
2
Target
(must be
between O
2
Upper & O
2
Lower)
18% 3% 8% 5.6%
30% 3% 8% 5.6%
40% 3% 8% 5.8%
50% 3% 8% 5.6%
60% 3% 8% 5.6%
70% 3% 8% 5.6%
80% 3% 8% 5.6%
100% 3% 8% 5.6%
O
2
Lower
(must be at
least 1% lower
than O
2
Upper)
18% 2.5% 5.5% 5.1%
30% 2.5% 5.5% 5.1%
40% 2.5% 5.5% 5.4%
50% 2.5% 5.5% 5.1%
60% 5.1%
70% 2.5% 5.5% 5.1%
80% 5.1%
100% 2.5% 5.5% 5.1%
O
2
Upper
(must be at
least 1% higher
than O
2
Lower)
18% 5.5% 8.5% 6.1%
30% 5.5% 8.5% 6.1%
40% 5.5% 8.5% 6.2%
50% 5.5% 8.5% 6.1%
60% 6.1%
70% 5.5% 8.5% 6.1%
80% 6.1%
100% 5.5% 8.5% 6.1%
O
2
Offset -3.0 3.0 1.0
CEN2000 O
2
Trim Adjustment Range
CALIBRATION POINT
BLOWER VOLTAGE (Volts)
Minimum
Maximum Default
18% 2.20 2.85 2.50
30% 3.20 3.85 3.50
40% 3.70 4.50 4.10
50% 3.85 4.65 4.25
60% 4.20 5.00 4.60
70% 4.50 5.40 5.00
80% 5.20 6.10 5.70
100% 6.70 7.60 7.20