Watts AERCO EXT Installation, Operation & Maintenance Manual page 82

Ufly Controller and BCM for Modulex EXT
0 APPENDIX B: BMM PARAMETERS
PARAMETER DESCRIPTION
Maximum Differential Temperature
483
(Water ΔT protection)
Programmable Sensor #1 function - NOT
380 APPLICABLE.
Note: Leave at default value of 1
APS check - NOT APPLICABLE.
777
Note: Leave at default value of 0
Temperature sensors
0: 10K @ 25°C, B=3977
623
1: 10K @ 25°C, B=3435
Note: Leave at default value of 0
Temperature sensor type
0: 10K @ 25°C, B=3977
1: 10K @ 25°C, B=3435
626
2: PT1000
3: minimum water flow switch
Note: Leave at default value of 0
805 Supply voltage
2590 Burner Capacity
OMM-0159_A • 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
ENTRY RANGE DEFAULT
0°F/2°F – 90°F
(0°C/1°C-50°C)
54°F (30°C)
0 = Disabled;
Units may be expressed
in R or K
1
0
0/1 0
0/1/2/3 0
100-240V 115V
MLX EXT 450 2S
-1100 2S: 50kW
10-1000kW
MLX EXT 1500 2S
-3000 2S: 112kW
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