Orion-system PT-Link II BACnet2 Bedienungsanleitung PDF herunterladen (Seite 55)

PT-Link II Interface

PT-Link II BACnet

®

Technical Guide

55

BACnet Properties for the VCM Controller

Parameter Name Object Description Limits

Fan Start Up

Delay

FanDly BI: 25 Status that indicates

the fan is

commanded to run,

but it is in the start

up delay mode.

Fan

Proving

Alarm

PofAlm BI: 26 Alarm that

indicates a failure

in the ﬂ ow of the

VFD blower.

Heating

Demand

HtDmnd BI: 29 Status that indicates

a demand for

heating.

Heating

Enabled

HtEnbl BI: 30 Status that

indicates that

mechanical heating

is enabled.

High

Supply Air

Temperature

Alarm

HiSaAlm BI: 33 The Supply Air

has risen above

the Hi SAT Cutoff

Setpoint. Heating

stages begin to deac-

tivate and the fan

continues to run.

Low Supply

Air

Temperature

Alarm

LoSaAlm BI: 37 The Supply Air has

fallen below the Hi

SAT Cutoff Setpoint

and cooling stages

will begin to deacti-

vate. If the unit is in

Economizer, Vent,

or Heating Mode

the Supply Fan will

shut off.

MODGAS

II

Connected

MdHt2Ins BI: 39 Status that indicates

the MODGAS II

controller is

connected.

Proof of

Flow

Conﬁ gured

PofCfg BI: 57 Status that indicates

the proof of ﬂ ow

function has been

conﬁ gured.

REHEAT II

Connected

Rt2Ins BI: 58 Status that indicates

the MHGRV con-

trollers is connected

to the system.

Warm Up

Mode

Active

WmupD-

mnd

BI: 90 Status that indicates

the control is in the

Warm-up mode.

Mechanical

Cooling

Alarm

MchClAlm BI: 94 Compressor Relays

are enabled but

the Supply Air

Temperature has

not fallen 5°F w/in

a user-adjustable

time period. This

does not indicate

compressors are

active and will not

shut the unit down.

BACnet Properties for the VCM Controller

Parameter Name Object Description Limits

Mechanical

Heating

Alarm

MchHtAlm BI: 95 Heating Mode has

been initiated but

the Supply Air

Temperature has

not risen 5°F w/in

a user-adjustable

time period. This

does not indicate

heat stages are

active and will not

shut the unit down.

Dirty Filter

Detected

DrtFlAlm BI: 96 Alarm that indicates

the ﬁ lters are dirty.

Control

Temperature

Cool Failure

CtrlTpCF BI: 108 This alarm is

activated if the

control temperature

does not get within

5°F to the occupied

cooling setpoint

in an hour in the

cooling mode. This

alarm is not used

in 100% outside air

units or supply air

control.

Control

Temperature

Heat Failure

CtrlTpHF BI: 109 This alarm is

activated if the

control temperature

does not get within

5°F to the occupied

heating setpoint

in an hour in the

heating mode. This

alarm is not used

in 100% outside air

units or supply air

control.

Dehu-

midiﬁ cation

Demand

DehmDmnd BI: 113 Status that indicates

a demand for

dehumidiﬁ cation.

Outdoor Air

Temperature

Lost

OaTpAlm BI: 117 Alarm that

indicates a failure

in the outdoor air

temperature.

Smoke

Detected

Alarm

SmokeAlm BI: 119 Alarm that indicates

the Smoke sensor

has been activated.

Space

Temperature

Sensor Lost

SpcTpAlm BI: 101 Alarm that indicates

a failure in the

space temperature

sensor.

On Board

Relay 1

OnRly1 BI: 127 Current status of

relay 1.

On Board

Relay 2

OnRly2 BI: 128 Current status of

relay 2.

On Board

Relay 3

OnRly3 BI: 129 Current status of

relay 3.

On Board

Relay 4

OnRly4 BI: 130 Current status of

relay 4.

Appendix H - VCM BACnet Parameters

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