Lennox PRODIGY2.0, Application Manual

Page: 116 / 167

116
Table 63. M3 Control Parameters
Control Parameter
Description Units
Control Value
No Description Units Max. Default Min.
Parameter Short
Description
Screen Name
38
MIN OUTPT CL VT SMK
Constant Air Volume with
Bypass Damper
Minimum Output
Percentage Set Point for
Cooling, Ventilation and
Smoke Alarms
20.0 20.0 100.0 %
Constant air volume with by­
pass damper minimum out­
put for cooling, ventilation
and during smoke alarms.
This sets the minimum air
delivered.
Bypass damper motor is set
to 10 to 2 volts with 10 volts
being closed.
20% setting = 2 volts or
damper completely opened.
39
MIN OUTPUT HEAT
Constant Air Volume with
Bypass Damper
Minimum Output
Percentage Set Point for
Heating
20.0 20.0 100.0 %
Constant air volume with by­
pass damper minimum out­
put for heating.
This sets the minimum air
delivered.
Bypass damper motor is set
to 10 to 2 volts with 10 volts
being closed.
20% setting = 2 volts or
damper completely opened.
40 BLOWER MAX OUTPUT
Constant Air Volume with
Bypass Damper
Maximum Output
Percentage Set Point
40.0 100.0 100.0 %
Constant air volume with by­
pass damper maximum out­
put.
This sets the maximum air
delivered.
Bypass damper motor is set
to 10 to 2 volts with 10 volts
being closed.
100% setting = 10 volts or
damper completely closed.
41
SUPPLY MANUAL
RESET
Constant Air Volume with
Bypass Damper Manual
Reset Value Output
Percentage Set Point
20.0 52.0 100.0 %
Constant air volume with by­
pass damper manual reset
value output. This is the output
when unit is off.
42
STATIC SHUTDOWN
SP
Air Supply Static
Shutdown Set Point
0 2 5 w.c.
Supply static shutdown set
point. Unit will shutdown for pa­
rameter 110 minutes if duct
pressure exceeds this value for
20 seconds.
43 STATIC LOCKOUT CNT
Static Pressure Lockout
Counter Set Point
1 3 7 Counts
The number of occurrences
before permanent lockout.
Counter resets when M3 re­
sets.
Refer to parameter 226 to
either enable or disable this
feature.
44
STATIC LO ALARM
CHK
Supply Static Sensor
(A30) Low Alarm Per­
centage Set Point
30.0 40.0 100.0 %
Supply Static Pressure
Sensor (A30) connected at
(A133_P195_6) (TB18_6)
alarm threshold.
Blower percent speed before
checking sensor after a 20
second delay.
A value of 30% disables the
low threshold or “open"
alarm trap.