Modulex Light Commercial Series
SECTION 6: Gas Supply and Piping
OMM-0158_A
• 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
88
of
120
PARAMETER
DESCRIPTION
ENTRY RANGE
DEFAULT
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 value 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
