Lennox PRODIGY2.0, Application Manual

Page: 120 / 167

120
Table 63. M3 Control Parameters
Control Parameter
Description Units
Control Value
No Description Units Max. Default Min.
Parameter Short
Description
Screen Name
103 CL STG 4 STGUP TIME
Maximum Stage 3
Cooling Time Before Call
for Stage 4 Cooling
0 912 3600 Seconds
Stage 4 stage up timer. The
maximum time that cooling
stage 3 runs before calling
cooling stage 4.
Used in room sensor applic­
ations.
Disabled if set to 0.
104 CL STAGE DOWN TIME
Cooling Stage Down
Time
0 912 3600 Seconds
Time delay before a lower
stage turns off following a
higher stage termination.
Used in room sensor ap­
plications.
105 DEHUMID MODE Dehumidification Mode 0
0 - No
Humiditrol is
installed
6 - All Others
(Check Unit
Parameter
Label)
7 Option
Dehumidification Mode
0- No reheat.
1- Supermarket reheat using
De-Humidistat (wired ther­
mostat mode only)
2- Supermarket reheat using
relative humidity sensor.
3- Humiditrol reheat. Condi­
tions: Blower must be en­
ergized, Must be occupied,
At least one previous cool­
ing demand.
4- Relative Humidity meas­
urement / display. No Su­
permarket or Humiditrol re­
heat.
5- Humiditrol reheat. Condi­
tions: At least one previous
cooling demand.
6- Humiditrol reheat. Condi­
tions: Blower must be en­
ergized, Must be occupied.
7- Humiditrol reheat. Condi­
tions: None
106 DEHUMID SETPOINT
Dehumidification Set
Point
0
Check unit
parameter label
as default may
be altered at
factory test.
99 % RH
Percent relative humidity
where supermarket or
Humiditrol reheat demand is
energized. Used of dehumid
mode option 2, 3, 5, 6 or 7.
Dehumidification is
de-energized at set point –
dead-band (parameter 107)).
Digital Input 4 only.
Energized input signal calls
for dehumid demand.
L
Connection Network
Relative Humidity set
point will override this set
point. (Such as from NCP).
107 DEHUMID DEADBAND
Dehumidification Dead
Band (neutral zone)
1 3 10 % RH
Used of dehumidification option
2, 3, 5, 6 or 7. Dehumidification
is :
ON when relative humidity is
equal to or greater than pa­
rameter 106
OFF when Relative Humidity
is less than parameter106
minus parameter107.