Orion-system PT-Link II BACnet3 Manual de usuario descargar pdf (Pagina 34)

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Zone

7. PARAMETER TABLES

PT-Link II BACnet3 Interface

34

7.1 VCB-X BACnet Parameters

BACnet Properties for the VCB-X Controller

Param-

eter

Name Object Description

Limits

Cooling

High Reset

Source

ClHiRt AV: 327 If doing Supply

Air Setpoint

Reset, this is

the High Reset

Source value in

Cooling that will

correspond to

the Supply Air

Cooling Setpoint

(Low Reset).

1 150

Condenser

Control

Signal

CdCtrSg1 AI:280 Condenser Fan

Signal 1 Status.

Controlling

Sensor

High

Alarm

Offset

CTpHiAlm AV: 349 If the tem-

perature of the

controlling sen-

sor rises above

the Occupied

Cooling Setpoint

by this value,

a High Control

Temp Alarm

will occur. Only

applies if conﬁ g-

ured for Space

or Return Air

Temp Control, or

as Single Zone

VAV.

050

Controlling

Sensor

Low Alarm

Offset

CTpLoAlm AV: 350 If the tempera-

ture of the con-

trolling sensor

falls below the

Occupied Heat-

ing Setpoint by

this value, a Low

Control Temp

Alarm will oc-

cur. Only applies

if conﬁ gured for

Space or Return

Air Temp Con-

trol, or as Single

Zone VAV.

050

Control

Status

CtrlSts AI: 4 Current

operational

status.

See Control

Status Bits on

page 43.

Control

Tempera-

ture

CtrlTp AI: 9 Current value of

the control

temperature

sensor.

Cooling

Enabled

ClEnbl AI: 6 Status that

indicates

mechanical

cooling is

enabled to

operate.

BACnet Properties for the VCB-X Controller

Param-

eter

Name Object Description

Limits

Mechani-

cal Cooling

Lockout

MchClLkt AV: 342 The VCB-X

will Lockout

Mechanical

Cooling when

the Outdoor Air

Temperature

is below this

Setpoint.

-30 100

Mechani-

cal Cooling

Alarm

MchClAlm BI: 94 Compressor Re-

lays are enabled

but the Supply

Air Temperature

has not fallen

5°F within a

user-adjustable

time period. This

does not apply

for Modulating

Cooling.

Cooling

Setpoint

Mirror

ClSt AI: 7 Occupied

Cooling Mode

Enable

Setpoint.

Cool

Staging

Window

ClStgWdw AV: 340 In Cooling

Mode, if the

Supply Air

Temperature

drops below the

Active Supply

Air Cooling

Setpoint minus

this Staging Win-

dow, a Cooling

Stage will be

deactivated after

its Minimum

Run Time.

130

Adaptive

Defrost

Interval

Adjust-

ment

AptDfr AV: 356 Adjustment to

the Heat Pump

Defrost Interval

depending on

whether the

Defrost Mode

lasts 10 minutes

or less than 10

minutes.

0 Min 30

Min

Dewpoint

Setpoint

RhDewpSt AV:282 On a MUA unit,

if the outdoor

dewpoint rises

above this

setpoint, the unit

will

activate Dehu-

midiﬁ cation.

35 80

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