APPENDIX C — CCN TABLES (cont)

MAINTENANCE DISPLAY TABLES (cont)

TABLE

DISPLAY NAME

 

RANGE

 

UNITS

 

POINT NAME

WRITE STATUS

FANCTRL*

Cir A SCT Control Point

 

±nnn.n

 

°F

 

sct_sp_a

 

 

Cir A SCT Candidate

 

±nnn.n

 

°F

 

sct_fu_a

 

 

Cir A Fan Cycle Counter

 

±nnn.n

 

 

 

fancyc_a

 

 

Cir A Optimal Fan Count

 

±nnn.n

 

 

 

fancop_a

 

 

Cir B SCT Control Point

 

±nnn.n

 

°F

 

sct_sp_b

 

 

Cir B SCT Candidate

 

±nnn.n

 

°F

 

sct_fu_b

 

 

Cir B Fan Cycle Counter

 

±nnn.n

 

 

 

fancyc_b

 

 

Cir B Optimal Fan Count

 

±nnn.n

 

 

 

fancop_b

 

 

Cir C SCT Control Point

 

±nnn.n

 

°F

 

sct_sp_c

 

 

Cir C SCT Candidate

 

±nnn.n

 

°F

 

sct_fu_c

 

 

Cir C Fan Cycle Counter

 

±nnn.n

 

 

 

fancyc_c

 

 

Cir C Optimal Fan Count

 

±nnn.n

 

 

 

fancop_c

 

LAST_POR

Power On 1: day-mon-year

 

nnnnnn

 

ddmmyy

 

date_on1

 

 

Power On 1: hour-minute

 

nnnn

 

hhmm

 

time_on1

 

 

PowerDown 1:day-mon-year

 

nnnnnn

 

ddmmyy

 

date_of1

 

 

PowerDown 1:hour-minute

 

nnnn

 

hhmm

 

time_of1

 

 

Power On 2: day-mon-year

 

nnnnnn

 

ddmmyy

 

date_on2

 

 

Power On 2: hour-minute

 

nnnn

 

hhmm

 

time_on2

 

 

PowerDown 2:day-mon-year

 

nnnnnn

 

ddmmyy

 

date_of2

 

 

PowerDown 2:hour-minute

 

nnnn

 

hhmm

 

time_of2

 

 

Power On 3: day-mon-year

 

nnnnnn

 

ddmmyy

 

date_on3

 

 

Power On 3: hour-minute

 

nnnn

 

hhmm

 

time_on3

 

 

PowerDown 3:day-mon-year

 

nnnnnn

 

ddmmyy

 

date_of3

 

 

PowerDown 3:hour-minute

 

nnnn

 

hhmm

 

time_of3

 

 

Power On 4: day-mon-year

 

nnnnnn

 

ddmmyy

 

date_on4

 

 

Power On 4: hour-minute

 

nnnn

 

hhmm

 

time_on4

 

 

PowerDown 4:day-mon-year

 

nnnnnn

 

ddmmyy

 

date_of4

 

 

PowerDown 4:hour-minute

 

nnnn

 

hhmm

 

time_of4

 

 

Power On 5: day-mon-year

 

nnnnnn

 

ddmmyy

 

date_on5

 

 

Power On 5: hour-minute

 

nnnn

 

hhmm

 

time_on5

 

 

PowerDown 5:day-mon-year

 

nnnnnn

 

ddmmyy

 

date_of5

 

 

PowerDown 5:hour-minute

 

nnnn

 

hhmm

 

time_of5

 

LOADFACT

CAPACITY CONTROL

 

 

 

 

 

 

 

 

Average Ctrl Water Temp

 

±nnn.n

 

°F

 

ctrl_avg

 

 

 

 

 

 

 

Differential Water Temp

 

±nnn.n

 

°F

 

diff_wt

 

 

Water Delta T

 

±nnn.n

 

^F

 

delta_t

 

 

Control Point

 

±nnn.n

 

°F

 

CTRL_PNT

 

 

Reset Amount

 

±nnn.n

 

^F

 

reset

 

 

Controlled Temp Error

 

±nnn.n

 

^F

 

tp_error

 

 

Actual Capacity

 

nnn

 

%

 

cap_t

 

 

Actual Capacity Limit

 

nnn

 

%

 

cap_lim

 

 

Actual Chiller Current

 

nnnn

 

amps

 

TOT_CURR

 

 

Chiller Current Limit

 

nnnn

 

amps

 

CURR_LIM

 

 

Current At 30% Load A

 

nnnn

 

amps

 

cur_30_a

 

 

Current At 30% Load B

 

nnnn

 

amps

 

cur_30_b

 

 

Current At 30% Load C

 

nnnn

 

amps

 

cur_30_c

 

 

Current At 100% Load A

 

nnnn

 

amps

 

cur100_a

 

 

Current At 100% Load B

 

nnnn

 

amps

 

cur100_b

 

 

Current At 100% Load C

 

nnnn

 

amps

 

cur100_c

 

 

Current Z Multiplier Val

 

±n.n

 

 

 

zm

 

 

Load/Unload Factor

 

±nnn.n

 

0/0

 

smz

 

 

Active Capacity Override

 

nn

 

 

 

over_cap

 

 

EHS CAPACITY CONTROL

 

 

 

 

 

 

 

 

EHS Ctrl Override

 

nn

 

 

 

over_ehs

 

 

Requested Electric Stage

 

nn

 

 

 

eh_stage

 

 

Electrical Pulldown?

 

True/False

 

 

 

ehspulld

 

EXV_CTRL

EXV CONTROL

 

 

 

 

 

 

 

 

EXV Position Circuit A

 

nnn.n

 

%

 

EXV_A

 

 

 

 

 

 

 

Discharge Superheat A

 

nnn.n

 

%

 

DSH_A

 

 

Suction Superheat A

 

nn.n

 

^F

 

SH_A

 

 

Suction SH Control Pt A

 

nn.n

 

^F

 

sh_sp_a

 

 

Cooler Exchange DT Cir A

 

nn.n

 

^F

 

pinch_a

 

 

Cooler Pinch Ctl Point A

 

nn.n

 

^F

 

pinch_spa

 

 

EXV Override Circuit A

 

nn

 

 

 

ov_exv_a

 

 

EXV Position Circuit B

 

nnn.n

 

%

 

EXV_B

 

 

Discharge Superheat B

 

nnn.n

 

%

 

DSH_B

 

 

Suction Superheat B

 

nn.n

 

^F

 

SH_B

 

 

Suction SH Control Pt B

 

nn.n

 

^F

 

sh_sp_b

 

 

Cooler Exchange DT Cir B

 

nn.n

 

^F

 

pinch_b

 

 

Cooler Pinch Ctl Point B

 

nn.n

 

^F

 

pinch_spb

 

 

EXV Override Circuit B

 

nn

 

 

 

ov_exv_b

 

 

EXV Position Circuit C

 

nnn.n

 

%

 

EXV_C

 

 

Discharge Superheat C

 

nnn.n

 

%

 

DSH_C

 

 

Suction Superheat C

 

nn.n

 

^F

 

SH_C

 

 

Suction SH Control Pt C

 

nn.n

 

^F

 

sh_sp_c

 

 

Cooler Exchange DT Cir C

 

nn.n

 

^F

 

pinch_c

 

 

Cooler Pinch Ctl Point C

 

nn.n

 

^F

 

pinch_spc

 

 

EXV Override Circuit C

 

nn

 

 

 

ov_exv_c

 

 

ECONOMIZER CONTROL

 

 

 

 

 

 

 

 

Economizer Position A

 

nnn.n

 

%

 

EXV_EC_A

 

 

 

 

 

 

 

Economizer Superheat A

 

nn.n

 

^F

 

eco_sha

 

 

Economizer SH Setpoint A

 

nn.n

 

^F

 

ecsh_spa

 

 

EXV Override Circuit A

 

nn

 

 

 

ov_eco_a

 

 

Economizer Position B

 

nnn.n

 

%

 

EXV_EC_B

 

 

Economizer Superheat B

 

nn.n

 

^F

 

eco_shb

 

 

Economizer SH Setpoint B

 

nn.n

 

^F

 

ecsh_spb

 

 

EXV Override Circuit B

 

nn

 

 

 

ov_eco_b

 

 

Economizer Position C

 

nnn.n

 

%

 

EXV_EC_C

 

 

Economizer Superheat C

 

nn.n

 

^F

 

eco_shc

 

 

Economizer SH Setpoint C

 

nn.n

 

^F

 

ecsh_spc

 

 

EXV Override Circuit C

 

nn

 

 

 

ov_eco_c

 

*Not supported.

 

 

 

 

 

 

 

 

128

Page 128
Image 128
Carrier 30XW150-400 specifications Appendix C CCN Tables, 128

30XW150-400 specifications

The Carrier 30XW150-400 series is a line of water-cooled chillers that exemplifies innovation, efficiency, and reliability in commercial cooling solutions. Designed for medium to large-scale applications, this series is ideal for a variety of settings, including commercial buildings, industrial processes, and chilled water systems.

One of the standout features of the Carrier 30XW series is its efficiency. The chillers utilize advanced variable-speed compressor technology, which allows the units to adapt to varying cooling loads while minimizing energy consumption. This technology not only reduces operational costs but also contributes to better environmental sustainability by lowering greenhouse gas emissions.

The 30XW series chillers are equipped with high-efficiency, scroll compressors that operate quietly and provide significant energy savings. By utilizing enhanced economizer controls, these units can achieve higher efficiency ratings, especially in part-load conditions. The result is an impressive Energy Efficiency Ratio (EER) and Seasonal Energy Efficiency Ratio (SEER), making these units a smart choice for energy-conscious businesses.

In terms of reliability, the Carrier 30XW150-400 series features robust construction and an array of safety and monitoring systems. The units come with advanced diagnostics that help in quickly identifying and addressing any operational issues. This proactive approach ensures reliability and minimizes downtime, which is crucial for maintaining optimal temperature controls in critical environments.

Additionally, the chillers incorporate environmentally friendly refrigerants that comply with the latest regulations, making them a sustainable choice for modern commercial applications. Their compact design allows for flexible installation options, and the integrated control systems provide the ability to optimize performance based on specific building management demands.

User-friendly interfaces and remote monitoring capabilities further enhance the ease of operation, allowing facility managers to have real-time insight into performance metrics and system health. This level of control contributes to better maintenance planning and maximizes the lifespan of the equipment.

In summary, the Carrier 30XW150-400 series of water-cooled chillers combines advanced technology, energy efficiency, and reliable performance, making it an ideal solution for various commercial and industrial cooling needs. With its commitment to innovation and sustainability, Carrier continues to set the standard in the HVAC industry.