Data Sheet for Product

ManualsBrandsSiemens Manuals3rd party integrationMicrotech 2000 Water Source Heat Pump, Point Map

Point Map

Rev. 1, February, 2002

Siemens Building Technologies, Inc. Page 1 of 8

Document No. 127-0551

Systems Integration

APOGEE

Open Processor with McQuay Microtech

Driver: Constant Volume, Outside Air, SAT Control

Rooftop Unit

Table 1. Constant Volume, Outside Air, SAT Control Rooftop Unit.

Point Type Description Range/Units

01 LAO Device Address —

02 LAO Application Number 5017

03 LAI Supply Air Temperature

1 – 255°F

05 LAI Outdoor Air Temperature

-40 – 150°F

06 LAI Space Temperature

1 – 240°F

08 LAI Misc. Temperature 1 (Optional)

1 – 240°F

09 LAI Misc. Temperature 2 (Optional)

1 – 240°F

10 LAI Final Filter Pressure Drop (Optional) 0 – 4 IWC

11 LAI Filter Pressure Drop 0 – 4 IWC

17 LAI Control Temperature See Table 2

18 LAI Unit Status See Table 3

19 LAI Stages of Cooling/Heating. Zero Indicates No Heating or Cooling. —

21 LAI Cooling Control Status See Table 4

22 LAI Heating Control Status See Table 5

23 LAI Time Mode Status Occupied/Unoccupied

25 LDI Airflow Status No Airflow/Airflow

26 LDI Supply Fan Status Off/On

30 LAI Current Alarm (Buffer) See Table 6

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 See Table 7

continued on next page...

Summary of content (8 pages)

PAGE 1
Point Map Rev. 1, February, 2002 Systems Integration APOGEE¥ Open Processor with McQuay Microtech Driver: Constant Volume, Outside Air, SAT Control Rooftop Unit Table 1. Constant Volume, Outside Air, SAT Control Rooftop Unit. Point Type Description 01 LAO Device Address — 02 LAO Application Number 5017 03 LAI Supply Air Temperature 1 – 255°F 05 LAI Outdoor Air Temperature -40 – 150°F 06 LAI Space Temperature 1 – 240°F 08 LAI Misc.
PAGE 2
Table 1. Constant Volume, Outside Air, SAT Control Rooftop Unit. Point Type Description Range/Units 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.
PAGE 3
Table 1. Constant Volume, Outside Air, SAT Control Rooftop Unit. Point Type Description Range/Units 86 LAO Final Filter Pressure Set Point. This point controls when filters are considered dirty. If pressure difference across either filter is greater than or equal to set point, dirty filter warning is activated. 0 – 5.1 IWC 87 LAO Filter Pressure Set Point. This point controls when the filters are considered dirty.
PAGE 4
Table 3. Unit Status (Point 18).
PAGE 5
Table 4. Cooling Control Status (Point 21). Value Description 7 No Economizer 8 Economizer Disabled, High Enthalpy 9 Compressors Disabled, Low Temperature 10 Cool Enabled Table 5. Heating Control Status (Point 22). Value Siemens Building Technologies, Inc. Document No.
PAGE 6
Table 6. Alarms (Point 30). Page 6 of 8 Point Type Description 0 — 1 Warning Miscellaneous Temperature Sensor 1 Shorted or Open 2 Warning Miscellaneous Sensor 2 Shorted or Open 3 Warning Final Filter Dirty. Pressure drop above limit. 4 Warning Standard Filter Dirty. Pressure drop above limit. 5 Warning Airflow Warning. Unit is off and digital input indicates airflow. 6 Warning Outside Air Damper Stuck.
PAGE 7
Table 6. Alarms (Point 30). Point Type Description 27 Fault Outside Air Temperature Sensor Shorted or Open and is selected as the Control Temperature. VAV with Modulating Heat Only. 28 Fault Smoke Detector Input Open 29 Fault Freeze Shutdown. Digital Freeze Input Closes while Unit is operating. Table 7. Control Mode (Point 46).
PAGE 8
Table 9. Heating Reset (Point 69). Value Description 0 No Reset 1 Based on Space Temperature or Control Temperature 2 Based on Return Temperature 3 Based on Outdoor Temperature 4 Based on Network Supplied Temperature 5 Based on External Signal 6 Based on Airflow or Humidity (VAV Only) 7 Based on Humidity (VAV Only) Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as design improvements are introduced.