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Table 7. Room Sensor Parameter Summary
Control Parameter
DescriptionUnit
Control Value
P DescriptionUnitMax.DefaultMin.Short DescriptionScreen Name
137 OCC HEAT STPT
Occupied Heating Set
Point
40.0 70.0 95.0 °F
Backup occupied heating set point.
Used if the communications link is lost
for 5 minutes between the M3 and Net
work Control Panel. Used only with
room sensor applications.
Set point temperature must be less
than or equal to (Parameter 139 minus
Parameter 152).
138 UNOCC HEAT STPT
Unoccupied Heating Set
Point
40.0
Check
unit para
meter la
bel as de
fault may
be altered
at factory
test.
95.0 °F
Backup unoccupied heating set point.
Used if the communications link is lost
for 5 minutes between the M3 and Net
work Control Panel.
Used only in room sensor applications.
Set point temperature must be less
than or equal to (Parameter 140 minus
Parameter 152).
139 OCC COOL STPT
Occupied Cooling Set
Point
40.0 75.0 95.0 °F
Backup occupied cooling set point.
Used if the communications link is lost
for 5 minutes between the M3 and Net
work Control Panel. Used only in room
sensor applications.
Set point temperature must be greater
than or equal to Parameter 137 plus
Parameter 152).
140 UNOCC COOL STPT
Unoccupied Cooling Set
Point
40.0 85.0 95.0 °F
Backup unoccupied cooling set point.
Used if the communications link is lost
for 5 minutes between the M3 Unit
Controller and network control panel.
Used only in room sensor applica
tions.
Set point temperature must be great
er than or equal to Parameter 138
plus Parameter 152).
141 AFTERHOUR OVRRD DLY
After Hours Override
Time Delay
0 3600 28800 Sec
After hours override timer.
Only used on room sensor applications
without a network control panel.
142 HEAT STAGE DEADBAND Heat Stage Deadband 1.00 1.00 3.75 °F
Heating dead-band. Used only with M3
Unit Controller room sensor applica
tions.
Dead band must be less than or equal
to Parameter 152 minus Parameter
143.
143 COOL STAGE DEADBAND Cool Stage Deadband 1.00 1.00 3.75 °F
Cooling dead-band. Used only with
room sensor applications.
Dead band must be less than or equal
to Parameter 152 minus Parameter
142.
144 COOL STAGE1 DIFFER
Cooling Stage 1
Differential
0.00 0.50 3.00 °F
Cooling stage 1 differential. Used only
with room sensor applications.
Differential temperature must be less
than or equal to Parameter 145.
145 COOL STAGE2 DIFFER
Cooling Stage 2
Differential
0.00 1.00 3.00 °F
Cooling stage 2 differential. Used only
with room sensor applications.
Differential temperature must be great
er than or equal to Parameter 144 and
less than or equal to Parameter 146.
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