Orion-system PT-Link II BACnet2 Instrukcja Użytkownika Pobierz pdf (Strona 41)

PT-Link II Interface

PT-Link II BACnet

®

Technical Guide

41

Appendix E - VCM-X Modular and WSHP BACnet Parameters

BACnet Properties for VCM-X WSHP (Coil)

Parameter Name Object Description Limits

Modulating

Compressor 2

MdCmp2 AI: 206 Current

position of the

2nd Stage of

Compressor

Modulation.

Head Pressure 1 HdPr1 AI: 207 Head Pressure

for

1st

Compressor

Head Pressure 2 HdPr2 AI: 208 Head Pressure

for

2nd

Compressor

Condenser

Fan 1

CdFan1 AI: 209 Condenser

Fan 1

Signal Status

Condenser

Fan 2

CdFan2 AI: 210 Condenser

Fan 2

Signal Status

BACnet Properties for VCM-X WSHP (Tulsa)

and RNE Controllers

Parameter Name Object Description Limits

Low Water

Temperature 1

Alarm

LWT1Alm BI: 230 Alarm that

indicates water

temperature is

below the

Leaving Water

Safety Setpoint

(Heating only)

for System A.

Low Water

Temperature 2

Alarm

LWT2Alm BI: 231 Alarm that

indicates water

temperature is

below the

Leaving Water

Safety Setpoint

(Heating only)

for System B

Proof of Water 1

Flow Alarm

POWF1Alm BI: 232 Alarm that

indicates no

Proof of Water

Flow for System

A (A1/A2)

Proof of Water 2

Flow Alarm

POWF2Alm BI: 233 Alarm that

indicates no

Proof of Water

Flow for System

B (B1/B2)

Module

Communica-

tions Alarm

ComMAlm BI: 234 Alarm that

indicates that one

or more Modules

are not

communicating

with the VCM-X

WSHP Control-

ler.

BACnet Properties for VCM-X WSHP (Coil)

Parameter Name Object Description Limits

Water Temp. A WaterTpA AI: 220 Current water

temperature.

Remote VFD

Reset

RmVFDPos AV:

258

Remote VFD

Position Reset

-1 100

Compressor A

Low Suction

Pressure Alarm

A1LSPAlm BI: 222 Alarm that

indicates

Suction

Pressure for

Circuit A is

below the

Low

Suction Pres-

sure Cooling

(Heating)

Setpoint.

Compressor A

Lockout Alarm

A1LktAlm BI: 223 Alarm that

indicates

Circuit A

Compressors

are locked

out.

Compressor B

Low Suction

Pressure Alarm

B1LSPAlm BI: 226 Alarm that

indicates

Suction

Pressure for

Circuit B is

below the

Low

Suction Pres-

sure Cooling

(Heating)

Setpoint.

Compressor B

Lockout Alarm

B1LktAlm BI: 227 Alarm that

indicates

Circuit B

Compressors

are locked

out.

Low Water

Temperature

Alarm

LWT1Alm BI: 230 Alarm that

indicates wa-

ter tempera-

ture is below

the Leaving

Water Safety

Setpoint

(Heating

only).

Proof of Water

Flow Alarm

POWF1Alm BI: 232 Alarm that

indicates no

Proof of Water

Flow.

Module

Communica-

tions

Alarm

ComMAlm BI: 234 Alarm that

indicates that

one or more

Modules are

not commu-

nicating with

the VCM-X

WSHP

Controller.

Revised 10/11/12

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