Bmm Parameters - Watts AERCO EXT Installation, Operation & Maintenance Manual

Modulex EXT Commercial Series
CHAPTER 8: Maintenance Schedule

6.7 BMM Parameters

This section provides the list of the parameters in the BMM (Burner Management Module) boards.
See Section 6.4 for instructions on how to navigate to the BMM parameters.
PARAMETER DESCRIPTION
803 Enabled services - NOT APPLICABLE.
Note: Leave at default value of 1
48 CH#1: setpoint
(CH maximum target temperature)
784 Local BUS address
Note: DO NOT CHANGE the value as this
is automatically assigned on the bus chain
816 Modbus Address
817 Modbus Communication Timeout
896 Temperature unit
0: °C
1: °F
799 Analogue input function 0/10 V - NOT
APPLICABLE.
Note: Leave at default value of 0
376 Programmable Input #1 function
- NOT APPLICABLE.
Note: Leave at default value of 0
322 Pump Off Delay - NOT APPLICABLE.
Note: Leave at default value of 3 min.
341 Pump: minimum control - NOT
APPLICABLE.
Note: Leave at default value of 30%
313 Pump: maximum control - NOT
APPLICABLE.
Note: Leave at default value of 100%
31 CH#1: Minimum Setpoint
39 CH#1: Maximum Setpoint
792 CH Maximum modulation
619 Ignition Modulation
645 Flame stabilization time - NOT
APPLICABLE.
Note: Leave at default value of 0 sec
783 Burner: recycling - NOT APPLICABLE.
Note: Leave at default value of 0
OMM-0160_A • DRAFT Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
ENTRY RANGE DEFAULT
68°F to 185°F
(20°C to 85°C)
Automatically
1-127
0 - 240 sec
See Description
68°F to 104°F
(20°C to 40°C)
113°F to 212°F
(45°C to 100°C)
0-100%
32-82% MLX EXT 450 2S
-1100 2S: 55%
MLX EXT 1500 2S
-3000 2S: 50%
Page 88 of 117
1
176°F (80C)
assigned
1
30 sec
0
0
0
3 min
30%
100%
86°F
203°F
100%
0 sec
0