APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT)

Table 27 — MODE - RUN STATUS (cont)

ITEM

EXPANSION

RANGE

UNITS

CCN

CCN POINT

CCN WRITE

TABLE/SUB---TABLE

STATUS

 

 

 

 

 

STRT

Component Starts

 

 

 

 

 

A1

Compressor A1 Starts

xxxxxx

 

 

ST_A1

forcible

CCH

Crankcase Heater Starts

xxxxxx

 

 

ST_CCH

forcible

IDF

Indoor Fan Starts

xxxxxx

 

 

ST_IDF

forcible

OFC.1

Outdoor Fan 1 Starts

xxxxxx

 

 

ST_OFC_1

forcible

HT.1

Heat Stage 1 Starts

xxxxxx

 

 

ST_HTR_1

forcible

HT.2

Heat Stage 2 Starts

xxxxxx

 

 

ST_HTR_2

forcible

PE.1

Power Exhaust 1 Starts

xxxxxx

 

 

ST_PE_1

forcible

PE.2

Power Exhaust 2 Starts

xxxxxx

 

 

ST_PE_2

forcible

ALRM

Alarm Relay Starts

xxxxxx

 

 

ST_ALM

forcible

(ALRMDISP) = CCN

 

 

 

ALRMDISP

 

 

only)

Active Alarm 1 Code

xxx

 

 

ALMCODE1

 

 

 

 

 

 

Active Alarm 2 Code

xxx

 

 

ALMCODE2

 

 

Active Alarm 3 Code

xxx

 

 

ALMCODE3

 

 

Active Alarm 4 Code

xxx

 

 

ALMCODE4

 

 

Active Alarm 5 Code

xxx

 

 

ALMCODE5

 

 

Reset All Current Alarms

Yes/No

 

 

ALRESET

forcible

 

Reset Alarm History

Yes/No

 

 

ALHISCLR

forcible

(GENERIC = CCN

 

 

 

GENERIC

 

 

only)

 

 

 

 

up to 20 points

 

 

 

 

 

 

 

(LON_DATA = CCN

 

 

 

LON_DATA

 

 

only)

nviSpaceTemp

xxx.x

dF

 

NVI_SPT

forcible

 

 

 

nviSetPoint

xxx.x

dF

 

NVI_SP

forcible

 

nvoSpaceTemp

xxx.x

dF

 

NVO_SPT

 

 

nvoUnitStatus.mode

xxxx

 

 

NVO_MODE

 

 

nvoUnitStatus.heat_out_p

xxx.x

%

 

NVO_HPRI

 

 

nvoUnitStatus.heat_out_s

xxx.x

%

 

NVO_HSEC

 

 

nvoUnitStatus.cool_out

xxx.x

%

 

NVO_COOL

 

 

nvoUnitStatus.econ_out

xxx.x

%

 

NVO_ECON

 

 

nvoUnitStatus.fan_out

xxx

%

 

NVO_FAN

 

 

nvoUnitStatus.in_alarm

xxx

 

 

NVO_ALRM

 

 

nviSetPtOffset

xxx.x

^F

 

NVI_SPTO

forcible

 

nviOutsideTemp

xxx.x

dF

 

NVI_OAT

forcible

 

nviOutsideRH

xxxx.x

%

 

NVI_OARH

forcible

 

nvoEffectSetPt

xxx.x

dF

 

NVO_EFSP

 

 

nvoOutsideTemp

xxxx.x

dF

 

NVO_OAT

 

 

nvoOutsideRH

xxx.x

%

 

NVO_OARH

 

 

nviSpaceRH

xxx.x

%

 

NVI_SPRH

forcible

 

nviCO2

xxxxx

 

 

NVI_CO2

forcible

 

nvoCO2

xxxxx

 

 

NVO_CO2

 

 

nvoTEMP1

xxx.x

dF

 

NVO_SAT

 

 

nvoTEMP2

xxx.x

dF

 

NVO_RAT

 

 

nviPCT1

xxx.x

%

 

NVI_RHSP

forcible

 

nvoPCT1

xxx.x

%

 

NVO_SPRH

 

 

nviDISCRETE1

Off/On

 

 

NVI_FSD

forcible

 

nviDISCRETE2

No/Yes

 

 

NVI_OCC

forcible

 

nviDISCRETE3

Off/On

 

 

NVI_IAQD

forcible

 

nvoDISCRETE1

Off/On

 

 

NVO_FSD

 

 

nvoDISCRETE2

No/Yes

 

 

NVO_OCC

 

 

nvoDISCRETE3

Off/On

 

 

NVO_IAQD

 

 

nciCO2Limit

xxxxx

 

 

NCI_CO2

forcible

 

nciSetPnts.occupied_cool

xxx.x

dF

 

NCI_OCSP

forcible

 

nciSetPnts.standby_cool

xxx.x

dF

 

NCI_SCSP

forcible

 

nciSetPnts.unoccupd_cool

xxx.x

dF

 

NCI_UCSP

forcible

 

nciSetPnts.occupied_heat

xxx.x

dF

 

NCI_OHSP

forcible

 

nciSetPnts.standby_heat

xxx.x

dF

 

NCI_SHSP

forcible

 

nciSetPnts.unoccupd_heat

xxx.x

dF

 

NCI_UHSP

forcible

48/50PD

69

Page 69
Image 69
Carrier 48/50PD05 manual Strt, Alrmdisp = CCN, Only, Generic = CCN, Londata = CCN

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.