Orion-system PT-Link II LON Instrukcja Użytkownika Pobierz pdf (Strona 41)

PT-Link II Interface

PT-Link II LON

®

Technical Guide

41

SNVTs for the VCM-X WSHP (Tulsa) & RNE

Binary Output SNVTs are SNVT_lev_disc

all other SNVTs are SNVT_count_inc_f

Parameter Name Object Description Limits

Low Water

Temperature 1

Alarm

LWT1Alm Binary

Output

Alarm that

indicates water

temperature is

below the Leav-

ing Water Safety

Setpoint (Heating

only) for System

A.

Low Water

Temperature 2

Alarm

LWT2Alm Binary

Output

Alarm that

indicates water

temperature is

below the Leav-

ing Water Safety

Setpoint (Heating

only) for System

B

Proof of Water 1

Flow Alarm

POWF1Alm Binary

Output

Alarm that

indicates no Proof

of Water Flow for

System A (A1/

A2)

Proof of Water 2

Flow Alarm

POWF2Alm Binary

Output

Alarm that

indicates no Proof

of Water Flow for

System B (B1/

B2)

Module

Communica-

tions Alarm

ComMAlm Binary

Output

Alarm that

indicates that one

or more Modules

are not

communicating

with the VCM-X

WSHP Controller.

Bad Return Air

Sensor

RaTpAlm Binary

Output

Alarm that indi-

cates

a failure in the

Return Air Sen-

sor.

Title 24

Economizer

Alarms

AlmGrp5 Analog

Output

Alarms for the 24

Title Economizer

Title 24

Economizer

Feedback

T24EcFb Analog

Output

Current position

of feedback from

Economizer

actuator.

Appendix D - VCM-X WSHP Tulsa & RNE LON Parameters

SNVTs for the VCM-X WSHP (Tulsa) & RNE

Binary Output SNVTs are SNVT_lev_disc

all other SNVTs are SNVT_count_inc_f

Parameter Name Object Description Limits

Title 24

Sensor Alarm

T24TpAlm Binary

Output

Outside Air

or Supply Air

Temperature Sen-

sor is shorted or

missing.

Title 24 Not

Economizing

When It Should

T24NEWS Binary

Output

Economizer is

enabled but not

following the

desired Econo-

mizer position

commanded.

Title 24 Econo-

mizing When It

Should Not

T24EWISN Binary

Output

Economizer is

not enabled but

the feedback

signal indicates

a position more

open than the

minimum.

Title 24 Damper

Failure

T24DpAlm Binary

Output

Economizer is

enabled but not

within 10% of

desired posi-

tion within 150

seconds.

Title 24 Excess

Outdoor Air

T24ExsOA Binary

Output

Economizer

feedback is lost or

Economizer is not

following com-

manded position.

Revised 8/28/14

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 59 60

Komentarze do niniejszej Instrukcji

Brak uwag