Data Sheet for Product

Page 2 of 8 Siemens Building Technologies, Inc.
Document No. 127-0545
Table 1. VAV, 1 Stage Heat, Space Pressure Control Rooftop Unit.
Point Type Description Range/Units
24 LDI VAV Output Heat/Cool
25 LDI Airflow Status No Airflow/Airflow
26 LDI Supply Fan Status Off/On
27 LDI Return Fan Status Off/On
30 LAI Current Alarm (Buffer) See Table 6
35 LAO Maximum Static Pressure Set Point 0 – 5.1 IWC
36 LAO Duct Static Pressure Deadband 0 – 1 IWC
37 LDO Outside Air Source Type Local/Remote
45 LDO Clear Alarm. Warning and problem conditions are normally self-
clearing once abnormal condition is resolved. Fault conditions cause
unit to shut down and must be manually cleared. Refer to alarms
later in this section for more information.
Point automatically reset to 0 after
alarm is cleared.
Clears active fault.
46 LAO Control Mode SeeTable 7
47 LAO Override Timer. The unit does not start if a shut down fault is active
or the unit is manually disabled through the keypad, monitor
program, or remote panel. Set to zero for unoccupied mode. ≤ 1 sets
point to occupied mode if manual mode set to auto.
0 – 300 Minutes
48 LAO Control Temperature Sensor See Table 2
50 LAO Heating Space Set Point. If set point source point is 1, this point is
active heating set point. If it is 0, the thermostat determines the set
point. Night setback (NSB) is active during unoccupied time period.
40 – 99°F
51 LAO Heating Space Differential
1 – 10°F
53 LAO Cooling Space Set Point. If set point source point is 1, this point is
the active cooling set point. If it is 0, the thermostat determines set
point. The night setup (NSU) set point is active during the
unoccupied time period.
55 – 99°F
54 LAO Cooling Space Differential
1 – 10°F
56 LAO Night Setback Space Set Point
40 – 99°F
57 LAO Night Setback Space Differential
1 – 10°F
58 LAO Night Setup Space Set Point
55 – 99°F
59 LAO Night Setup Space Differential
1 – 10°F
60 LAO Cooling Supply Set Point. Control temperature for supply air when
unit is in an active cooling state. Point is adjustable only when no
reset is selected.
40 – 100°F
61 LAO Cooling Supply Deadband
0 – 10°F
62 LAO Cooling Reset Type See Table 8
63 LAO Minimum Cooling Supply Set Point
40 – 100°F
64 LAO Maximum Cooling Supply Set Point
40 – 100°F
65 LAO Minimum Cooling Supply Set Point @
0 – 100°F
continued on next page…