Orion-system PT-Link II BACnet2 Manual de usuario descargar pdf (Pagina 35)

PT-Link II Interface

PT-Link II BACnet

®

Technical Guide

35

Appendix D - VCB-X BACnet Parameters

BACnet Properties for the VCB-X Controller

Parameter Name Object Description

Limits

Head

Pressure

Setpoint in

Cooling Mode

ClHdPrSt AV:293 This is the

Head Pressure

Setpoint the

unit will control

to in the

Cooling Mode.

240

PSI

420

PSI

Head

Pressure

Setpoint

in Reheat

Mode

HtHdPrSt AV:294 This is the

Head Pressure

Setpoint the

unit will control

to in the De-

humidiﬁ cation

Reheat Mode.

240

PSI

420

PSI

Heating Low

Reset Source

HtLoRt AV: 328 Low Heat Reset

Source Setpoint

1 150

Heating High

Reset Source

HtHiRt AV: 329 High Heat

Reset Source

Setpoint

1 150

Heating

Enabled

HtEnbl AI: 30 Status that

indicates that

mechanical

heating is

enabled.

Heating

Setpoint

Mirror

HtSt AI: 31 Occupied

Heating Mode

Enable Setpoint

Mirror.

Indoor

Humidity

InRh AI: 67 Current value

of the indoor

humidity

sensor.

Indoor

Humidity

Setpoint

InRhSt AV:289 If Coil Temp

Reset is being

used this is

also the lowest

Space RH value

that

corresponds

to the Hi Coil

Temp Setpoint.

0 100

High Indoor

Humidity

Reset Limit

HiInRh AV:292 During Coil

Temp Reset,

this is the

highest Space

RH value that

corresponds to

the Low Coil

Temp Setpoint.

0 100

Indoor

Humidity

Setpoint

Mirror

InRhStM AI: 114 Mirror of the

InRhSt “read

only.”

Leaving Water

Temperature

LvWtrTp AI:278 Leaving Water

Temperature

Value

BACnet Properties for the VCB-X Controller

Parameter Name Object Description

Limits

Low

Ambient

Relay

Setpoint

LWAmbnt AV:285 Temperature at

which the Low

Ambient Relay

will activate in

the Occupied

or Unoccupied

Mode.

-30 70

Modulating

Cooling

Position

MdClPos AI: 115 Current

position of the

modulating

cooling signal

(Chilled water

or digital

compressor).

Modulating

Gas Valve

Position

MdGs

VPos

AI:274 Current

position of

MODGAS

modulating gas

valve control.

Modulating

Heating

Position

MdHtPos AI: 116 Current

position of the

modulating

heating signal

(hot water or

SCR heat).

Morning

Warm-Up

Setpoint

WmupTg AV:281 In a VAV

application,

upon entering

the

occupied mode,

the Warm-up

Demand will

be activated if

the return air

temperature

falls one degree

below this

setpoint.

50 90

Occupied

Cooling

Setpoint

OcpClSt AV: 42 If the control

temperature

rises one degree

above this

setpoint, the

control will ac-

tivate the cool-

ing demand. If

the control

temperature is

the Supply Air

Sensor, then the

cooling demand

is always

active.

1110

Revised 4/3/13

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