Lennox PRODIGY2.0 - Page 122

122
Table 63. M3 Control Parameters
Control Parameter
DescriptionUnits
Control Value
No DescriptionUnitsMax.DefaultMin.
Parameter Short
Description
Screen Name
Block 5 Miscellaneous Parameters
112
HEAT STAGING
OPTION
Heating Staging Option 0 2 2 Option
Heating staging options:
0- No heating operation.
1- Discharge air control with
up to four stages.
2- Thermostat operation.
113 EN RET AIR TMP LMT
Enable Return Air
Temperature Limit
0 0 1 Option
 Enables return air temperat
ure limit option.
 Return air limits may be
used for limiting zone tem
peratures. Continuous fan
operation recommended.
114 COOL RET AIR LIMIT Cooling Return Air Limit 60.0 65.0 80.0 °F
 Return air limit for cooling. If
the return air cooling limit is
exceeded, the cooling de
mands are interrupted.
 Parameter 113 must be set
to 1 to enable.
115 HEAT RET AIR LIMIT Heating Return Air Limit 60.0 85.0 100.0 °F
 Return air limit for heating. If
the return air heating limit is
exceeded, the heating de
mands are interrupted.
 Parameter 113 must be set
to 1 to enable.
117
DCV MAX DAMPER
OPEN
Demand Control
Ventilation Maximum
Damper Open
0 50 100 %
Maximum allowed demand con
trol ventilation damper open po
sition.
118
DCV DAMP START
OPEN
Demand Control
Ventilation Damper Start
Open
0 700 2000 PPM
 Damper “start open" CO
2
set point for Demand Control
Ventilation.
 Level where fresh air
damper begins to open.
119
DCV DAMP FULL
OPEN
Demand Control
Ventilation Maximum
Damper Full Open Set
Point
0 1200 2000 PPM
 Damper “full open" CO
2
set
point for Demand Control
Ventilation.
 Level where fresh air
damper is opened to maxim
um.
120 DCV HI TMP OV FL CL
Demand Control
Ventilation Outdoor Air
Control Hi Temperature
Override Full Closed
-31.0 105.0 132.0 °F
High outdoor air temp. where
fresh air damper is closed to
minimum position.
121 DCV HI TMP OV ST CL
Demand Control
Ventilation Outdoor Air
Control Hi Temperature
Override Start Closing
-31.0 75.0 132.0 °F
High outdoor air temperature
where fresh air damper begins
to close.
122 DCV LO TMP OV FL CL
Demand Control
Ventilation Outdoor Air
Control Low Temperature
Override Full Closed
-31.0 10.0 132.0 °F
Low outdoor air temperature
where fresh air damper is
closed to minimum position
123 DCV LO TMP OV ST CL
Demand Control
Ventilation Outdoor Air
Control Low Temperature
Override Start Closing
-31.0 40.0 132.0 °F
Low outdoor air temp. where
fresh air damper begins to
close.
127 OAC MANUAL RESET
Outdoor Air Control
Manual Reset
0 50 100 % Manual reset value.