48/50PD

APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT)

Table 28 — MODE - SERVICE TEST

ITEM

EXPANSION

RANGE

UNITS

DEFAULT

CCN TABLE/SUB---TABLE

CCN POINT

CCN

DISPLAY

WRITE

WRITE

 

 

 

 

 

 

 

STATUS

STATUS

SERVICE TEST

 

 

 

 

MAINTENANCE DISPLAY

 

 

 

TEST

Field Service Test Mode

On/Off

 

Off

(TEST = display only)

MAN_CTRL

forcible

forcible

INDP

Test Independent Outputs

 

 

 

TESTINDP

 

 

 

ECON

Economizer Position Test

0 to 100

%

0

 

S_ECONO

forcible

forcible

E.CAL

Calibrate Economizer

On/Off

 

Off

 

S_ECOCAL

forcible

forcible

PE.1

Power Exhaust 1 Test

On/Off

 

Off

 

S_PE_1

forcible

forcible

PE.2

Power Exhaust 2 Test

On/Off

 

Off

 

S_PE_2

forcible

forcible

ALRM

Alarm Relay Test

On/Off

 

Off

 

S_ALMOUT

forcible

forcible

CCH

Crankcase Heat Test

On/Off

 

Off

 

S_CCH

forcible

forcible

FANS

Test Fans

 

 

 

TESTFANS

 

 

 

IDF

Supply VFD Power Test

On/Off

 

Off

 

S_IDF

forcible

forcible

F.SPD

Indoor Fan Speed Test

0 to 100

%

0

 

S_VSPEED

forcible

forcible

OFC.1

Outdoor Fan Relay Test

On/Off

 

Off

 

S_OFC_1

forcible

forcible

COOL

Test Cooling

 

 

 

TESTCOOL

 

 

 

CTLR

Dig Scroll Ctrl Pwr Test

On/Off

 

Off

 

S_CMPCTL

forcible

forcible

CAPC

Compressor Capacity Test

0 to 100

%

0

 

S_VCAP

forcible

forcible

F.SPD

Cool Test Fan Speed

0 to 100

%

0

 

S_VSPDCL

forcible

forcible

HEAT

Test Heating

 

 

 

TESTHEAT

 

 

 

HT.1

Heat Stage 1 Test

On/Off

 

Off

 

S_HEAT_1

forcible

forcible

HT.2

Heat Stage 2 Test

On/Off

 

Off

 

S_HEAT_2

forcible

forcible

Table 29 — MODE - TEMPERATURES

ITEM

EXPANSION

RANGE

UNITS

CCN TABLE/SUB---TABLE

CCN POINT

CCN

DISPLAY

WRITE

WRITE

 

 

 

 

 

 

STATUS

STATUS

 

 

 

 

STATUS DISPLAY

 

 

 

TEMPERATURES

 

 

 

UINPUT

 

 

 

AIR.T

Air Temperatures

 

 

 

 

 

 

SAT

Supply Air Temperature

xxx.x

dF

 

SAT_DISP

 

 

OAT

Outdoor Air Temperature

xxx.x

dF

 

OA_TEMP

forcible

forcible

SPT

Space Temperature

xxx.x

dF

 

SPACE_T

forcible

forcible

SPTO

Space Temperature Offset

xxx.x

dF

 

SPTO

forcible

forcible

RAT

Return Air Temperature

xxx.x

dF

 

RETURN_T

forcible

forcible

REF.T

Refrigerant Temperatures

xxx.x

dF

 

 

 

 

SST.A

Sat. Suction Temp A

xxx.x

dF

 

SST_A

 

 

SCT.A

Sat. Condenser Temp A

xxx.x

dF

 

SCT_A

 

 

Table 30 — MODE - PRESSURES

ITEM

EXPANSION

RANGE

UNITS

CCN TABLE/SUB---TABLE

CCN POINT

CCN

WRITE

 

 

 

 

 

 

STATUS

 

 

 

 

STATUS DISPLAY

 

 

PRESSURES

 

 

 

UINPUT

 

 

SSP.A

Suction Pressure A

xxx.x

psig

 

SSP_A

 

SCP.A

Condenser Pressure A

xxx.x

psig

 

SCP_A

 

70

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Carrier 48/50PD05 manual Mode Service Test, Mode Temperatures, Mode Pressures

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.