Ufly Controller and BCM for Modulex EXT
0 APPENDIX A: BCM PARAMETERS
OMM-0159_A
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79
of
83
PARAMETER
DESCRIPTION
ENTRY RANGE
DEFAULT
368
Programmable Relay #1 (BCM Y4-1/2)
Function
(BCM connector Y4, terminals 1 and 2)
0 = Primary Pump (boiler loop) control
1 = Boiler status contact (closes when at
least one burner is on, opens when all
the burners are off)
See Description
0
369
Programmable Relay#2 (Alarm Relay)
Function
(BCM connector Y4, terminals 3 and 4)
0 = Contact closes if a failure prevents
the insertion of the requested number of
burner(s)
1 = Contact closes with each failure of
the boiler
See Description
1
771
Water Pressure Sensor
- NOT
APPLICABLE.
Note: Leave at default value of 0
0
768
Min Gas Pressure Sensor
- NOT
APPLICABLE.
Note: Leave at default value of 0
0
793
Chimney Obstruction Sensor
- NOT
APPLICABLE.
Note: Leave at default value of 2
2
622
Minimum Flow Sensor
Note: Leave at default of 1 - this will
register a global fault when the flow
sensor connected to BCM terminals Y2
FL/10 trips.
1 = Enabled Flow Sensor / Global Fault
3 = Enabled Flow Sensor / Local Fault
5 = Enabled Flow Sensor / Global Fault
and check Flow Switch fault
7 = Enabled Flow Sensor / Local Fault and
check Flow Switch fault
1-7
1
607
CH Manual Request
- NOT APPLICABLE.
Note: Leave at default value of 0
0
Summary of Contents for AERCO EXT
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