48/50PD

APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT)

Table 37 — MODE - OPERATING MODES

ITEM

EXPANSION

RANGE

UNITS

CCN

CCN POINT

CCN

DISPLAY

WRITE

WRITE

TABLE/SUB---TABLE

 

 

 

 

 

STATUS

STATUS

 

 

 

 

 

 

OPERATING MODES

 

 

 

MAINTENANCE

 

 

 

 

 

 

 

DISPLAY

 

 

 

MODE

Control Modes

 

 

MODES

 

 

 

SYS

Unit operation disabled

 

 

 

SYS_MODE_TEXT1

 

 

 

Unit operation enabled

 

 

 

SYS_MODE_TEXT2

 

 

 

Service test enabled

 

 

 

(table only)

 

 

 

 

 

 

 

SYS_MODE_TEXT3

 

 

 

 

 

 

 

(table only)

 

 

HVAC

HVAC Operation Disabled

 

 

 

HVACMODE_TEXT

 

 

 

Ventilation (fan---only)

 

 

 

_1

 

 

 

Cooling

 

 

 

HVACMODE_TEXT

 

 

 

Unoccupied Free Cooling

 

 

 

_2 (table only)

 

 

 

Heating

 

 

 

HVACMODE_TEXT

 

 

 

 

 

 

 

_3 (table only)

 

 

HV.DN

Remote HVAC Mode

Yes/No

 

 

HVACDOWN

forcible

 

 

Disable

 

 

 

 

 

 

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

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

Cool Mode Diagnostic

 

 

COOLDIAG

 

 

 

COOL

In Cooling Mode?

Yes/No

 

 

IN_COOL

 

 

OK.CL

OK to Select Cool Mode?

Yes/No

 

 

OKTOCOOL

 

 

MS.TG

Mode Select Timeguard

xxx

secs

 

COOLMSTG

 

 

OK.EC

OK to Use Economizer?

Yes/No

 

 

ECONCOOL

 

 

OK.MC

OK to Use Compressor?

Yes/No

 

 

MECHCOOL

 

 

C.LOC

Compressor OAT Lockout

Yes/No

 

 

COMPLOCK

 

 

C.LO

Compressor Lockout Temp

xxx

dF

 

OATLCOMP

 

 

IDF

Indoor Fan State

On/Off

 

 

IDFSTATE

 

 

F.SPD

Commanded Fan Speed

xxx

 

 

FANSPEED

 

 

REQ.C

Requested Cooling

xxx

%

 

REQ_CAPC

 

 

 

Capacity

 

 

 

 

 

 

MIN.C

Min Compressor Capacity

xxx

%

 

MIN_CAPC

 

 

MAX.C

Max Compressor Capacity

xxx

%

 

MAX_CAPC

 

 

LMT.C

Max Capacity In Effect

xxx

%

 

CAPLIMIT

 

 

CAPC

Compressor Capacity

xxx

%

 

CAPACITY

 

 

CTLR

Digital Scroll Ctrl Pwr

On/Off

 

 

COMPCTLR

 

 

CMP.A

Compressor A Feedback

On/Off

 

 

COMP_A

 

 

ST.A

Circuit A Strikes

x

 

 

ASTRIKES

 

 

F.LEV

Outdoor Fan Level

x

 

 

FANLEV

 

 

SAT

Supply Air Temperature

 

 

 

 

 

 

SAT

Supply Air Temperature

xxx.x

dF

 

SAT_DISP

 

 

SA.DM

Supply Air Temp Demand

xxx.x

^F

 

SAT_DMD

 

 

SAT.U

Minimum SAT Upper Level

xx.x

dF

 

SATMIN_H

 

 

SAT.L

Minimum SAT Lower Level

xx.x

dF

 

SATMIN_L

 

 

SPT

Space Temperature

 

 

 

 

 

 

SPT

Space Temperature

xxx.x

dF

 

SPACE_T

forcible

 

TRND

Spacetemp Trend (F/min)

xxx.x

 

 

SPTTREND

 

 

DMD.C

Cooling Demand

xxx.x

^F

 

COOL_DMD

 

 

78

Page 78
Image 78
Carrier 48/50PD05 manual Mode Operating Modes

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.