Watts AERCO EXT Installation, Operation & Maintenance Manual page 81

Ufly Controller and BCM for Modulex EXT
0 APPENDIX B: BMM PARAMETERS
PARAMETER DESCRIPTION
Burner: soft shutdown - NOT
646 APPLICABLE.
Note: Leave at default value of 0
Fan: pulse/revolution
527
Note: Leave at the default value of 2
486 Fan regulation: proportional band
487 Fan regulation: integral gain
489 Fan: PWM min.
337 Modulation Gradient
526 Fan: Maximum Speed
319 Maximum Modulation
Minimum modulation
346
(Burner Minimum modulation level)
314 Standby modulation
620 Postpurge: fan speed
617 Ignition: minimum modulation
618 Ignition: maximum modulation
353 Temperature control: proportional band
354 Temperature control: integral gain
478 Temperature control: derivative gain
34 Burner Hysteresis
336 Temperature control: slope limit
OMM-0159_A • 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
ENTRY RANGE DEFAULT
0
0/1-4 2
MLX EXT 450 2S
-1100 2S: 10
0-50
MLX EXT 1500 2S
-3000 2S: 30
0-50 9
5-15% 8%
1-100% 2%
MLX EXT 450 2S
-1100 2S: 90Hz
50-120Hz
MLX EXT 1500 2S
-3000 2S: 91Hz
1-100% 100%
MLX EXT 450 2S
-1100 2S: 34%
1-100%
MLX EXT 1500 2S
-3000 2S: 31%
MLX EXT 450 2S
-1100 2S: 31%
0-100%
MLX EXT 1500 2S
-3000 2S: 33%
MLX EXT 450 2S
-1100 2S: 31%
0-100%
MLX EXT 1500 2S
-3000 2S: 33%
0-100% 32%
0-100% 82%
0°F to 90°F
(0°C to 50°C)
45°F (25C)
Units may be expressed
in R or K
0-50 12
0-50 0
9°F to 36°F
(5°C to 20°C)
9°F (5°C)
Units may be expressed
in R or K
0°F to 54°F/min 18°F/min
(0°C to 30°C/min) (10°C/min)
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