Lennox PRODIGY2.0 - Page 123

123
Table 63. M3 Control Parameters
Control Parameter
DescriptionUnits
Control Value
No DescriptionUnitsMax.DefaultMin.
Parameter Short
Description
Screen Name
128
OAC PID P CON
STANT
Outdoor Air Control PID
P Constant
0 2 127 Counts
Outdoor Air Control PID P Con
stant
129 OAC PID I CONSTANT
Outdoor Air Control PID I
Constant
0 30 127 Counts
Outdoor Air Control PID I Con
stant
130
OAC PID D CON
STANT
Outdoor Air Control PID
D Constant
0 0 127 Counts
Outdoor Air Control PID D Con
stant
131
FREE CL MAX
DAMPER
Free Cooling Maximum
Damper
0.0 100.0 100.0 %
The maximum allowed fresh air
damper opening for free cool
ing.
132
MIN DAMPER POSI
TION
Minimum Damper
Position
0.0 0.0 100.0 %
Minimum fresh air damper posi
tion during occupied oper
ation.
133
ZONE SENS STRTUP
DLY
Room Sensor Start-up
Delay
2 2 30 Minutes
 Suspends all unit operation
room sensor and Constant
Air Volume with bypass
damper applications.
 Suspends Fresh Air Heat
Control-Reheat, Fresh Air
Cooling Control, Fresh Air
Heat Control options and all
GP outputs.
 May be used to stagger unit
start-ups. Does NOT delay
demands in thermostat
mode.
134 IAQ INPUT MODE
Indoor Air Quality Input
Mode
0 1 7 Option
Options are:
0- Ventilation is disabled.
1- Demand control ventilation
with outdoor temperature limit
and blower on. (Default)
2- Demand control ventilation
without Outdoor Temperature
Limit and Blower ON.
3- Demand control ventilation
with Outdoor Temperature
Limit and Blower AUTO / ON.
4- Demand control ventilation
without Outdoor temperature
Limit and no blower AUTO /
ON.
5- Outdoor air control with out
door temperature limit
6- Outdoor air control with out
door temperature limit
7- Building pressure control
System 1 Parameters
137 OCC HEAT STPT
Occupied Heating Set
Point
40.0
Check unit para
meter label as
default may be
altered at fact
ory test.
95.0 °F
 Backup occupied heating set
point.
 Used if the communications
link is lost for 5 minutes
between the M3 and NCP.
Used only with room sensor
applications.
 Set point temperature must
be less than or equal to (pa
rameter 139 minus parame
ter 152).