48/50PD

APPENDIX A - LOCAL DISPLAY AND CCN TABLES

Table 27 — MODE - RUN STATUS

ITEM

EXPANSION

RANGE

UNITS

CCN

CCN POINT

CCN WRITE

TABLE/SUB---TABLE

STATUS

 

 

 

 

 

RUN STATUS

 

 

 

STATUS DISPLAY

 

 

VIEW

Auto View of Run Status

 

 

(VIEW = Display only)

 

 

HVAC

HVAC Mode Status

1=Disabled

 

 

HVACMODE

 

 

 

2=Fan Only

 

 

 

 

 

 

3=Cool

 

 

 

 

OCC

 

4=Heat

 

 

 

 

Currently Occupied

Yes/No

 

 

OCCUPIED

 

SAT

Supply Air Temperature

xxx..x

dF

 

SAT_DISP

 

ALRM

Current Alarms & Alerts

xx

 

 

ALRMALRT

 

TIME

Time of Day

xx.xx

hh.mm

 

TIMECOPY

 

VERS

Software Version Numbers

 

 

VERSIONS

 

 

MBB

CESR131459---xx---xx

(xx---xx in

 

 

MODEL_NUMBER_01

 

ECB

CESR131249---xx---xx

table)

 

 

MODEL_NUMBER_02

 

 

 

 

 

AUX

CESR131333---xx---xx

 

 

 

MODEL_NUMBER_03

 

MARQ

CESR131171---xx---xx

 

 

 

MODEL_NUMBER_04

 

MODE

Control Modes

 

 

MODEDISP

 

 

SYS

Unit operation disabled

 

 

 

SYS_MODE_TEXT1

 

 

Unit operation enabled

 

 

 

SYS_MODE_TEXT2

 

 

Service test enabled

 

 

 

(table only)

 

 

 

 

 

 

SYS_MODE_TEXT3

 

HVAC

 

 

 

 

(table only)

 

HVAC Operation Disabled

 

 

 

HVACMODE_TEXT_1

 

 

Ventilation (fan---only)

 

 

 

HVACMODE_TEXT_2

 

 

Cooling

 

 

 

(table only)

 

 

Unoccupied Free Cooling

 

 

 

HVACMODE_TEXT_3

 

HV.DN

Heating

 

 

 

(table only)

 

Remote HVAC Mode Disable

Yes/No

 

 

HVACDOWN

forcible

EFF.C

Cool Setpoint in Effect

xxx.x

 

 

CSP_EFF

 

EFF.H

Heat Setpoint in Effect

xxx.x

 

 

HSP_EFF

 

OCC

Currently Occupied

Yes/No

 

 

OCCUPIED

forcible

T.OVR

Timed Override in Effect

Yes/No

 

 

MODETOVR

 

LINK

Linkage Active

Yes/No

 

 

MODELINK

 

D.LMT

Demand Limit In Effect

Yes/No

 

 

MODEDMDL

 

C.LOC

Compressor OAT Lockout

Yes/No

 

 

COMPLOCK

 

H.LOC

Heat OAT Lockout

Yes/No

 

 

HEATLOCK

 

E.LOC

Econo Cool OAT Lockout

Yes/No

 

 

ECONLOCK

 

COOL

Cooling Status

 

 

COOLDISP

 

 

DMD.C

Cooling Demand

xxx.x

^F

 

COOL_DMD

 

SA.CP

Supply Air Control Point

xxx.x

dF

 

SA_CTLPT

 

SASP

Cool Supply Air Setpoint

xxx.x

dF

 

SASP

 

SR.CD

Cool Demand SASP Reset

xxx.x

^F

 

CD_RESET

 

SR.RH

Dehumidifying SASP Reset

xxx.x

^F

 

RH_RESET

 

F.SPD

Commanded Fan Speed

xxx

%

 

FANSPEED

 

CMP.A

Compressor A Feedback

On/Off

 

 

COMP_A

 

TG.A

Compressor A Timeguard

xxx

sec

 

TIMGD_A

 

CAPC

Compressor Capacity

xxx

%

 

CAPACITY

 

MAX.C

Max Compressor Capacity

xxx

%

 

MAX_CAPC

forcible

MIN.C

Min Compressor Capacity

xxx

%

 

MIN_CAPC

 

LMT.C

Max Capacity In Effect

xxx

%

 

CAPLIMIT

 

SST.A

Sat. Suction Temp A

xxx.x

dF

 

SST_A

 

SSP.A

Suction Pressure A

xxx.x

psig

 

SSP_A

 

SCT.A

Sat. Condenser Temp A

xxx.x

dF

 

SCT_A

 

SCP.A

Condenser Pressure A

xxx.x

psig

 

SCP_A

 

OFC.1

Outdoor Fan 1 Relay

On/Off

 

 

OFC_1

 

HEAT

Heating Status

 

 

HEATDISP

 

 

DMD.H

Heating Demand

xxx.x

^F

 

HEAT_DMD

 

AVL.H

Available Heating Stages

x

 

 

AVLHSTGS

 

REQ.H

Requested Heating Stages

x

 

 

REQHSTGS

 

MAX.H

Max Allowed Heat Stages

x

 

 

MAXHSTGS

forcible

LMT.H

Max Heat Stage In Effect

x

 

 

HSTGLIMT

 

F.SPD

Commanded Fan Speed

xxx

%

 

FANSPEED

 

HT.1

Heat Stage 1 Relay

On/Off

 

 

HEAT_1

 

TG.H1

Heat Stage 1 Timequard

xxx

sec

 

TIMGD_H1

 

HT.2

Heat Stage 2 Relay

On/Off

 

 

HEAT_2

 

TG.H2

Heat Stage 2 Timequard

xxx

sec

 

TIMGD_H2

 

ECON

Economizer Status

 

 

ECONDISP

 

 

EC.CP

Econo Commanded Position

xxx

%

 

ECONOCMD

 

EC.AP

Econo Actual Position

xxx

%

 

ECONOPOS

 

EC.MP

Min Position in Effect

xxx

%

 

MIN_POS

 

IAQ.S

IAQ Level (switch)

High/Low

 

 

IAQIN

 

IAQ

IAQ Level (sensor)

xxxx

ppm

 

IAQ

 

OAT

Outdoor Air Temperature

xxx.x

dF

 

OA_TEMP

 

ENTH

Outdoor Enthalpy Switch

High/Low

 

 

ENTHALPY

 

OAQ

OAQ Level (sensor)

xxxx

ppm

 

OAQ

 

PE.1

Power Exhaust 1 Relay

On/Off

 

 

PE_1

 

PE.2

Power Exhaust 2 Relay

On/Off

 

 

PE_2

 

HRS

Component Run Hours

 

 

STRTHOUR

 

 

A1

Compressor A1 Run Hours

xxxxx.xx

hours

 

HR_A1

forcible

CCH

Crankcase Htr Run Hours

xxxxx.xx

hours

 

HR_CCH

forcible

IDF

Indoor Fan Run Hours

xxxxx.xx

hours

 

HR_IDF

forcible

OFC.1

Outdoor Fan 1 Run Hours

xxxxx.xx

hours

 

HR_OFC_1

forcible

HT.1

Heat Stage 1 Run Hours

xxxxx.xx

hours

 

HR_HTR_1

forcible

HT.2

Heat Stage 2 Run Hours

xxxxx.xx

hours

 

HR_HTR_2

forcible

PE.1

Power Exhaust1 Run Hours

xxxxx.xx

hours

 

HR_PE_1

forcible

PE.2

Power Exhaust2 Run Hours

xxxxx.xx

hours

 

HR_PE_2

forcible

ALRM

Alarm Relay Run Hours

xxxxx.xx

hours

 

HR_ALM

forcible

68

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Carrier 48/50PD05 manual Appendix a Local Display and CCN Tables, Mode RUN Status

48/50PD05 specifications

The Carrier 48/50PD05 is a remarkable addition to Carrier's lineup of rooftop units, offering advanced cooling and heating solutions for commercial applications. Designed for medium-sized buildings, this unit is well-suited for both new installations and as a replacement for older systems, thanks to its versatile features and efficient performance.

One of the standout features of the 48/50PD05 is its energy efficiency. It incorporates state-of-the-art technology to achieve high Seasonal Energy Efficiency Ratios (SEER) and EER ratings, reducing operational costs while delivering superior comfort. The unit is also compliant with the latest energy regulations, making it an environmentally friendly choice for building owners concerned about sustainability.

The 48/50PD05 is equipped with a highly efficient scroll compressor, which not only enhances performance but also contributes to quiet operation. This is a significant advantage in commercial spaces where noise levels need to be kept in check for comfort and productivity. Additionally, the unit includes advanced airflow design, ensuring even distribution of conditioned air throughout the space.

Technologically, the Carrier 48/50PD05 features Carrier's Infinity Control system, which allows for precise control of indoor climate. This intelligent control mechanism can be integrated with smart building management systems, enabling users to monitor and manage energy use effectively. Wi-Fi connectivity is also available, providing remote access for real-time adjustments and diagnostics.

Durability is another characteristic of the 48/50PD05. Constructed with high-quality materials, the unit withstands various environmental conditions, ensuring longevity and reliability. Moreover, the modular design facilitates easy maintenance, making service procedures efficient and cost-effective.

In addition to cooling, the Carrier 48/50PD05 offers heating capabilities, often utilizing gas or electric heating options that can be tailored to the specific needs of a building. The unit can also be equipped with integrated economizers, allowing for free cooling during suitable outdoor conditions, further enhancing energy savings.

Overall, the Carrier 48/50PD05 stands out as a high-performance HVAC solution that combines efficiency, technology, and durability. It provides building owners with a versatile tool to ensure comfort while minimizing their environmental footprint. With a strong emphasis on energy savings and advanced control features, this rooftop unit is a smart investment for any commercial property.