Data Sheet for Product

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

Point Map

Rev. 3, February, 2002

Siemens Building Technologies, Inc. Page 1 of 6

Document No. 127-0012

Systems Integration

APOGEE

Open Processor with McQuay Microtech

Driver: One-Compressor Screw Chiller

Table 1. One-Compressor Screw Chiller.

Point Type Description Range/Units

01 LAO Device Address —

02 LAO Application Number 5047

03 LAI Circuit 1 Condenser Approach Temperature

0 – 263°F

04 LAI Circuit 1 Condenser Pressure 0 – 450 psi

05 LAI Circuit No.1 Condition at Time of Alarm: Capacity 0 – 100%

06 LAI Circuit No.1 Condition at Time of Alarm: Condenser Leaving Water

Temperature or Outside Air Temperature

-40 – 263°F

07 LAI Circuit No.1 Condition at Time of Alarm: Condenser Pressure 0 – 450 psi

08 LAI Circuit No.1 Condition at Time of Alarm: Evaporator Leaving Water

Temperature

-40 – 263°F

09 LAI Circuit No.1 Condition at Time of Alarm: Evaporator Pressure 0 – 150 psi

10 LAI Circuit No.1 Condition at Time of Alarm: Fan Stage 0 – 6

11 LAI Circuit No.1 Condition at Time of Alarm: Liquid Line Temperature

-40 – 263°F

12 LAI Circuit No.1 Condition at Time of Alarm: Suction Temperature

-40 – 263°F

13 LAI Circuit 1 Alarm See Table 2

14 LAI Circuit 1 Evaporator Pressure 0 – 150 psi

15 LAI Circuit 1 Liquid Line Temperature

-40 – 263°F

16 LAI Circuit 1 Status See Table 3

17 LAI Circuit 1 Subcooling Temperature

0 – 263°F

18 LAI Circuit 1 Suction Temperature

-40 – 263°F

19 LAI Circuit 1 Superheat Temperature

0 – 263°F

20 LAI Compressor 1 Operating Hours Hours

21 LAI Compressor 1 Starts Starts

22 LAI Condenser Entering Water Temperature

-40 – 263°F

23 LAI Condenser Leaving Water Temperature

-40 – 263°F

24 LAI Evaporator Entering Water Temperature

-40 – 263°F

continued on next page...

Summary of content (6 pages)

PAGE 1
Point Map Rev. 3, February, 2002 Systems Integration APOGEE¥ Open Processor with McQuay Microtech Driver: One-Compressor Screw Chiller Table 1. One-Compressor Screw Chiller. Point Type Description Range/Units 01 LAO Device Address — 02 LAO Application Number 5047 03 LAI Circuit 1 Condenser Approach Temperature 0 – 263°F 04 LAI Circuit 1 Condenser Pressure 0 – 450 psi 05 LAI Circuit No.1 Condition at Time of Alarm: Capacity 0 – 100% 06 LAI Circuit No.
PAGE 2
Table 1. One-Compressor Screw Chiller.
PAGE 3
Table 2. Alarms (Point 13). Value Siemens Building Technologies, Inc. Document No.
PAGE 4
Table 3. Circuit Status (Point 16). Value Page 4 of 6 Description 0 Off – S–1 System Switch 1 Off – Manual Set Point 2 Off – Alarm 3 Off – Pump Down Switch 4 Off – Wait For Cycle 5 Off – Wait For Flood 6 Off – Ready To Start 7 Start Pump-down 8 Pump-down 9 Start Requested 10 Pre-purge 11 Open Solenoid 12 Low Ambient Start 13 Cooling Siemens Building Technologies, Inc. Document No.
PAGE 5
Table 4. Unit Status (Point 28). Value Siemens Building Technologies, Inc. Document No.
PAGE 6
Table 5. Reset Option Set Point (Point 36). Value Description 0 No Chilled Water Reset 1 Return Chilled Water Reset. Constant return Chilled Water Temperature Set Point maintained. 2 4 – 20 mA Chilled Water Reset. Resets Chilled Water Set Point based on 4 – 20 mA signal. A signal less than 4 mA results in no reset of Chilled Water Temperature Set Point.