Carrier Comprehensive BACnet Points List for 19XRV Models
Page 37

APPENDIX B — OPTIONAL BACNET COMMUNICATIONS WIRING (cont)

→Table G — Network Points List

POINT DESCRIPTION

CCN

READ/

UNITS

DEFAULT

RANGE

BACNET

BACNET

POINT NAME

WRITE

VALUE

OBJECT ID

OBJECT NAME

 

 

 

1st Current Alarm State

ALARM_01

R

 

N/A

0-270

AV:4

alarm_01_1

Active Demand Limit

DEM_LIM

R/W

%

N/A

40 to 100

AV:6

dem_lim_1

Actual Guide Vane Position

GV_POS

R

%

N/A

0 to 100

AV:7

gv_pos_1

Actual VFD Speed

VFD_ACT

R

%

N/A

0 to 110

AV:11

vfd_act_1

Calc Evap Sat Temp

EAT

R

°F

N/A

-40 to 245

AV:13

ert_1

Chilled Water Deadband

CWDB

R

^F

1.0

0.5 to 2.0

AV:14

cwdb_1

Chilled Water Delta P

CHWPD

R

^F

N/A

-6.7 to 420

AV:15

chwpd_1

Chilled Water Delta T

CHW_DT

R

^F

N/A

-40 to 245

AV:16

chw_dt_1

Chilled Water Pump

CHLP

R

N/A

OFF

OFF/ON

BV:4

chlp_1

Chilled Water Temp

CHW_TMP

R

°F

N/A

-40 to 245

AV:17

chw_tmp_1

Chiller Start/Stop

CHIL_S_S

R/W

N/A

STOP

STOP/START

BV:5

chil_s_s_1

Comp Discharge Temp

CMPD

R

°F

N/A

-40 to 245

AV:18

cmpd_1

Comp Motor Winding Temp

MTRW

R

°F

N/A

-40 to 245

AV:19

mtrw_1

Comp Thrust Brg Temp

MTRB

R

°F

N/A

-40 to 245

AV:20

mtrb_1

Cond Water Flow

CDW_FLOW

R

N/A

NO

NO/YES

BV:6

cdw_flow_1

Cond Water Pump

CDP

R

N/A

OFF

OFF/ON

BV:7

cdp_1

Condenser Pressure

CRP

R

PSI

N/A

-6.7 to 420

AV:21

crp_1

Condenser Refrig Temp

CRT

R

°F

N/A

-40 to 245

AV:22

crt_1

Condenser Water Delta P

CDWPD

R

PSI

N/A

-6.7 to 420

AV:23

cdwpd_1

Control Point

LCW_STPT

R/W

°F

N/A

10 to 120

AV:24

lcw_stpt_1

Current CHW Setpoint

CHWSTPT

R

°F

N/A

0.00 to 99.9

AV:25

chwstpt_1

Demand Level 1

N/A

R

%

N/A

0 to 100

AV:1

dmv_lvl_1_perct_1

Demand Level 2

N/A

R

%

N/A

0 to 100

AV:2

dmv_lvl_2_perct_1

Demand Level 3

N/A

R

%

N/A

0 to 100

AV:3

dmv_lvl_3_perct_1

Element Comm Status

N/A

R

N/A

N/A

No Comm/Normal

BV:2999

element_stat_1

Element Communications

N/A

R

N/A

N/A

Inactive/Active

BV:20

comm_lost_alm_1

Alarm

 

 

 

 

 

 

 

Emergency Stop

EMSTOP

R

N/A

ENABLE

ENABLE/

BV:8

emstop_1

EMSTOP

 

 

 

 

 

 

 

Entering Chilled Water

ECW

R

°F

N/A

-40 to 245

AV:26

ecw_1

Entering Condenser Water

ECDW

R

°F

N/A

-40 to 245

AV:27

ecdw_1

Equipment Alarm

N/A

R

N/A

N/A

Comm Normal

BV:1

element_alarm_1

Comm Lost

 

 

 

 

 

 

 

Evaporator Pressure

ERP

R

PSI

N/A

-6.7 to 420

AV:28

erp_1

Evaporator Refrigerant Temp

ERT

R

°F

N/A

-40 to 245

AV:13

ert_1

Leaving Chilled Water -

LCW

R

°F

N/A

-40 to 245

AV:31

lcw_1

Prime Variable

 

 

 

 

 

 

 

Leaving Condenser Water

LCDW

R

°F

N/A

-40 to 245

AV:32

lcdw_1

Line Active Current

AMPS_ACT

R

A

N/A

0.0 to 99999.0

AV:8

amps_act_1

Line Active Voltage

VOLT_ACT

R

V

N/A

0.0 to 99999.0

AV:9

volt_act_1

Line Frequency

LINEFREQ

R

Hz

N/A

0 to 99

AV:30

linefreq_1

Line Power Factor

LINE_PF

R

 

N/A

0.00 to 2.00

AV:34

line_pf_1

Local Schedule

N/A

R

N/A

N/A

No Comm/Normal

BV:2

schedule_1

Occupied?

OCC

R

N/A

NO

NO/YES

BV:10

occ_1

Oil Sump Temperature

OILT

R

°F

N/A

-40 to 245

AV:33

oilt_1

Remote Start Contact

REM_CON

R/W

N/A

OPEN

OPEN/CLOSE

BV:11

rem_con_1

 

 

 

 

 

0=Timeout,

 

 

 

 

 

 

 

1=Ready,

 

 

 

 

 

 

 

2=Recyle,

 

 

 

 

 

 

 

3=Startup,

 

 

 

 

 

 

 

4=Running,

 

 

 

 

 

 

 

5=Demand,

 

 

Run Status

STATUS

R

N/A

N/A

6=Ramping,

AV:35

status_1

7=Autorest,

 

 

 

 

 

 

 

 

 

 

 

 

8=Override,

 

 

 

 

 

 

 

9=Tripout,

 

 

 

 

 

 

 

10=Control Test,

 

 

 

 

 

 

 

11=Lockout,

 

 

 

 

 

 

 

12=Pumpdown,

 

 

 

 

 

 

 

13=Prestart

 

 

Service Ontime

S_HRS

R/W

hr

N/A

0 to 32767

AV:36

s_hrs_1

Surge Line Delta T

DELTA_TX

R

°F

N/A

0 to 200

AV:38

delta_tx_1

System Alert/Alarm

SYS_ALM

R

N/A

N/A

1=Normal,

AV:40

sys_alm_1

2=Alert, 3=Alarm

 

 

 

 

 

 

 

37

611

Page 36 Page 38
Image 37
Page 36 Page 38
Contents Start-Up and Service Instructions Contents A19-1842 A19-1831A19-1814 1832 A19A19-1833 A19-1834 Wire LugsParameter Default Value VFD ConfigurationsA19 1846 TB1 I/O Terminal Designations A19-1921A19-1836 A19-18351815 Name Color State Description Drive Status Indicator DescriptionsEnet LinkA19-1925 A19-1844Message Icvc Alert CodesPrestart AlertLimited RUN CapacityPrimary Secondary Primary Cause Additional CAUSE/REMEDY FaultSensor Alert LOW OILCommunication LossVFD Speed Alert System AlertFailure to Stop Icvc Alarm CodesProtective Limit 234 233235 236Unused State UnusedVFD Gateway Sensor FaultVFD Fault Type Description Corrective Action On VFDCode Hist Screen NoneNone Hist Screen113 124Meter Lead Meter Reading Diode ChecksFrames 6 and 7 Power Terminal Block A19-1831Fig Open Access DoorA19-1814Fig Check DC Bus Terminals A19-1816Fig Removing EnclosureA19-1838 A19-1837A19-1817A19-1818 A19-1819 Comm CardCR1 EA1 Line CR6 CB1 TB4 A19-1847CB2 FU1-FU3 PT1 Secondary Side Toward Door TB4 Dist SideFrame 6 Parts A19-1848A19-1946 Appendix a Wiring Schematics Chiller Control SchematicHgbp A19-1947RHS UPCA19-1966 Shld A19-1967A48-8579 A48-8578Table a SW3 Protocol Switch Settings For MS/TP Appendix B Optional Bacnet Communications WiringTable B Baud Selection Table A48 8580A48-8582 Table C MS/TP Wiring RecommendationsRmcorp Wiring Specifications Recommended Vendors and Part NumbersCMP RUN LED Error LED Status Table E LED Status IndicatorsLED Status RunObject ID Object Name CHW Page Copyright 2011 Carrier Corporation

19XRV specifications

The Carrier 19XRV is a cutting-edge rooftop chiller designed to provide reliable and efficient cooling solutions for a wide range of applications, including commercial buildings and industrial facilities. This advanced system integrates the latest technologies and innovative features to ensure optimal performance, energy efficiency, and ease of use.

One of the most prominent features of the 19XRV is its advanced inverter-driven compressor technology. This allows the chiller to adjust its capacity seamlessly based on the building's cooling demand. By varying the speed of the compressor, the 19XRV maximizes energy efficiency and minimizes operational costs, especially during partial load conditions. This capability not only enhances comfort but also contributes to reduced energy consumption, making it a sustainable choice for environmentally conscious users.

In addition to the inverter technology, the 19XRV incorporates a microchannel coil design. This design optimizes heat exchange efficiency and reduces the refrigerant charge, which is an essential factor in lowering greenhouse gas emissions. The microchannel coils also allow for more compact dimensions, making installation easier and maximizing rooftop space usage.

Another significant aspect of the Carrier 19XRV is its robust controls system. Equipped with Carrier’s advanced ComfortLink™ controls, this chiller offers precise monitoring and control over its operation. Users can easily integrate the chiller into building management systems for real-time data access and efficiency analytics. This connectivity ensures that operators can make informed decisions to optimize performance continuously.

The 19XRV also includes features aimed at enhancing reliability and durability. Its structural design incorporates corrosion-resistant materials, allowing the unit to withstand harsh environmental conditions. This reliability translates to lower maintenance requirements and extended equipment lifespan, providing excellent value over time.

Moreover, the chiller is designed for quiet operation, making it suitable for applications where low noise levels are essential. Sound-dampening measures ensure that the 19XRV can be utilized in urban environments or near sensitive areas without causing disturbances.

In conclusion, the Carrier 19XRV is a state-of-the-art rooftop chiller that combines efficiency, technology, and durability. Its inverter-driven compressor, microchannel coil design, advanced controls, and robust construction make it an ideal choice for those looking to maintain comfort while minimizing energy usage and environmental impact. Whether for commercial or industrial applications, the 19XRV stands out as a reliable and innovative cooling solution for the modern age.
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