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. 127-0009

Systems Integration

APOGEE

Open Processor with McQuay Microtech

Driver: Four-Compressor Screw Chiller

Table 1. Four-Compressor Screw Chiller.

Point Type Description Range/Units

01 LAO Device Address —

02 LAO Application Number 5054

03 LAI Unit Status See Table 2

04 LAI Circuit 1 Status See Table 3

05 LAI Circuit 2 Status See Table 3

06 LAI Circuit 3 Status See Table 3

07 LAI Circuit 4 Status See Table 3

08 LAI Stage of Cooling 0 – 8

09 LAI Evaporator Leaving Water Temperature

-40 – 263°F

10 LAI Evaporator Entering Water Temperature

-40 – 263°F

11 LAI Outside Air Temperature

-40 – 263°F

12 LAI Circuit 1 Suction Temperature. Temperature of low-pressure

vaporized refrigerant entering the compressor.

-40 – 263°F

13 LAI Circuit 2 Suction Temperature. Temperature of low-pressure

vaporized refrigerant entering the compressor.

-40 – 263°F

14 LAI Circuit 3 Suction Temperature. Temperature of low-pressure

vaporized refrigerant entering the compressor.

-40 – 263°F

15 LAI Circuit 4 Suction Temperature. Temperature of low-pressure

vaporized refrigerant entering the compressor.

-40 – 263°F

16 LAI Circuit 1 Liquid Line Temperature. Temperature of liquid refrigerant

entering the expansion valve.

-40 – 263°F

17 LAI Circuit 2 Liquid Line Temperature. Temperature of liquid refrigerant

entering the expansion valve.

-40 – 263°F

18 LAI Circuit 3 Liquid Line Temperature. Temperature of liquid refrigerant

entering the expansion valve.

-40 – 263°F

19 LAI Circuit 4 Liquid Line Temperature. Temperature of liquid refrigerant

entering the expansion valve.

-40 – 263°F

20 LAI Circuit 1 Superheat Temperature

0 – 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: Four-Compressor Screw Chiller Table 1. Four-Compressor Screw Chiller.
PAGE 2
Table 1. Four-Compressor Screw Chiller.
PAGE 3
Table 1. Four-Compressor Screw Chiller. Point Type Description 56 LAI Circuit No. 1 Condition at Time of Alarm: Suction Temperature -40 – 263°F 57 LAI Circuit No. 2 Condition at Time of Alarm: Capacity 0 – 100% 58 LAI Circuit No. 2 Condition at Time of Alarm: Condenser Pressure 0 – 450 psi 59 LAI Circuit No. 2 Condition at Time of Alarm: Evaporator Leaving Water Temperature -40 – 263°F 60 LAI Circuit No. 2 Condition at Time of Alarm: Fan Stage 0–5 61 LAI Circuit No.
PAGE 4
Table 1. Four-Compressor Screw Chiller. Point Type Description Range/Units 87 LDO Clear Circuit 3 Alarm Do Nothing/Clear Active Alarm 88 LDO Clear Circuit 4 Alarm Do Nothing/Clear Active Alarm 99 LDI Device Communication Failure Normal/Failed Table 2. Unit Status (Point 03).
PAGE 5
Table 3. Circuit Status (Points 04 through 07). Value Description 0 Off – S-1 System Switch 1 Off – Manual Set Point 2 Off – Alarm 3 Off – Pump-down Switch 5 Off – Wait for Flood 7 Start Pump-down 8 Pump-down 9 Start Requested 10 Pre-purge 11 Open Solenoid 12 Low Ambient Start 13 Cooling Table 4. Alarms (Points 46 through 49).
PAGE 6
Table 4. Alarms (Points 46 through 49). Value Description 26 Mechanical High Pressure 29 Bad Compressor Suction Temperature Sensor 30 Bad Evaporator Pressure Sensor 31 Bad Condenser Pressure Sensor 32 Bad Phase Voltage 33 Chilled Water Freeze Protect 34 Bad Voltage Ratio 35 Bad Leaving Evaporator Temperature Sensor Table 5. Reset Option (Point 80). Value Description 0 No Chilled Water Reset 1 Return Chilled Water Reset. Constant return Chilled Water Temperature Set Point maintained.