Orion-system PT-Link II LON Bedienungsanleitung PDF herunterladen (Seite 51)

PT-Link II Interface

PT-Link II LON

Technical Guide

Appendix F - SA Controller LON Parameters

SNVTs for the SA Controller

Binary Output SNVTs are SNVT_lev_disc

all other SNVTs are SNVT_count_inc_f

Parameter Name Object Description

Limits

Unoccupied

Heating

Offset

UnHtOst Analog

Input

During the

Unoccupied Mode

of Operation, this

Setpoint spreads

the Occupied

Heating Setpoint

out by a user

adjustable amount.

If you do not want

Heating to operate

during the Unoc-

cupied Mode, use

the default setting

of 30°F for these

setpoints.

030

Static

Pressure

Setpoint

DuctPrSt Analog

Input

This is the target

duct pressure to be

maintained by the

VFD blower signal.

0.01 3

Preheater

Setpoint

PreHtSp Analog

Input

Low Outside Air

Ambient

Protection Setpoint

0 100

Entering

Air Offset

Setpoint

EaTpOst Analog

Input

If the Entering

Air Temperature

Sensor is reading

incorrectly, you

can use this option

to enter an offset

temperature to

adjust the Sensor’s

Temperature.

Entering

Water

Offset

Setpoint

EwTpOst Analog

Input

If the Entering

Water Temperature

Sensor is reading

incorrectly, you

can use this option

to enter an offset

temperature to

adjust the

Sensor’s

Temperature.

Bad Supply

Air Sensor

SaTpAlm Binary

Output

Alarm that

indicates a failure

in the supply air

sensor.

Cooling

Enabled

ClEnbl Binary

Output

Status that indicates

mechanical cooling

is enabled.

Economizer

Enabled

EcoEnbl Binary

Output

Status that indicates

the economizer is

enabled.

Fan Start Up

Delay

FanDly Binary

Output

Status that indicates

the fan is com-

manded to run, but

it is in the start up

delay mode.

SNVTs for the SA Controller

Binary Output SNVTs are SNVT_lev_disc

all other SNVTs are SNVT_count_inc_f

Parameter Name Object Description

Fan

Proving

Alarm

PofAlm Binary

Output

Alarm that indicates a failure in

the ﬂ ow of the VFD blower.

Heating

Enabled

HtEnbl Binary

Output

Status that indicates that

mechanical heating is enabled.

High

Supply Air

Temperature

Alarm

HiSaAlm Binary

Output

The Supply Air has risen above

the Hi SAT Cutoff Setpoint.

Heating stages begin to

deactivate and the fan

continues to run.

Low Supply

Air

Temperature

Alarm

LoSaAlm Binary

Output

The Supply Air has fallen below

the Hi SAT Cutoff Setpoint and

cooling stages will begin to

deactivate. If the unit is in

Economizer, Vent, or Heating

Mode the Supply Fan

will shut off.

MODGAS II

Connected

MdHt2Ins Binary

Output

Status that indicates

the MODGAS II controller

is connected.

REHEAT II

Connected

Rt2Ins Binary

Output

Status that indicates

the MHGRV

controllers is connected

to the system.

Mechanical

Cooling

Alarm

MchClAlm Binary

Output

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.

Mechanical

Heating

Alarm

MchHtAlm Binary

Output

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 Binary

Output

Alarm that indicates

the ﬁ lters are dirty.

Control

Temperature

Cool Failure

CtrlTpCF Binary

Output

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 Binary

Output

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.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 59 60

Kommentare zu diesen Handbüchern

Keine Kommentare

Orion-system PT-Link II LON Bedienungsanleitung Seite 51

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Hardware Orion-system PT-Link II LON