Orion-system PT-Link II BACnet3 Bedienungsanleitung PDF herunterladen (Seite 47)

PT-Link II BACnet3 Interface

7. PARAMETER TABLES

47

7.4 VCM-X WSHP (Coil) BACnet Parameters

BACnet Properties for VCM-X WSHP (Coil)

Parameter Name Object Description Limits

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.

Bad Return Air

Sensor

RaTpAlm BI: 365 Alarm that

indicates

a failure in

the Return Air

Sensor.

Title 24 Econo-

mizer Feedback

T24EcFb AI: 384 Current

position of

feedback from

Economizer

actuator.

Title 24

Sensor Alarm

T24TpAlm BI: 385 Outside Air

or Supply Air

Temperature

Sensor is

shorted or

missing.

Title 24 Not

Economizing

When It Should

T24NEWS BI: 386 Economizer

is enabled but

not following

the desired

Economizer

position com-

manded.

Title 24 Econo-

mizing When It

Should Not

T24EWISN BI: 387 Economizer

is not enabled

but the feed-

back signal

indicates a

position more

open than the

minimum.

Title 24 Damper

Failure

T24DpAlm BI: 388 Economizer

is enabled but

not within

10% of de-

sired position

within 150

seconds.

Title 24 Excess

Outdoor Air

T24ExsOA BI: 389 Economizer

feedback

is lost or

Economizer is

not following

commanded

position.

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

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

Pressure Cool-

ing (Heating)

Setpoint.

Compressor A

Lockout Alarm

A1LktAlm BI: 223

Alarm that in-

dicates Circuit

A Compres-

sors 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

Pressure Cool-

ing (Heating)

Setpoint.

Compressor B

Lockout Alarm

B1LktAlm BI: 227

Alarm that in-

dicates Circuit

B Compres-

sors are locked

out.

Low Water

Temperature

Alarm

LWT1Alm BI: 230

Alarm that

indicates water

temperature

is below the

Leaving Water

Safety Set-

point (Heating

only).

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