APPENDIX A — CCN TABLES (cont)

A_UNIT (General Unit Parameters)

 

DESCRIPTION

 

STATUS

UNITS

POINT

FORCEABLE

1

Control Mode

0

= Service

 

STAT

N

 

 

1

= OFF - local

 

 

 

 

 

2

= OFF-CCN

 

 

 

 

 

3

= OFF-time

 

 

 

 

 

4

= Emergency

 

 

 

 

 

5

= ON-local

 

 

 

 

 

6

= ON-CCN

 

 

 

 

 

7

= ON-time

 

 

 

 

 

 

 

 

 

2

Occupied

Yes/No

 

OCC

N

3

CCN Chiller

Start/Stop

 

CHIL_S_S

Y

4

Alarm State

Normal

 

ALM

N

5

Active Demand Limit

0-100

%

DEM_LIM

Y

6

Override Modes in Effect

Yes/No

 

MODE

N

7

Percent Total Capacity

0-100

%

CAP_T

N

8

Requested Stage

nn

 

STAGE

N

9

Active Setpoint

snnn.n

°F

SP

N

10

Control Point

snnn.n

°F

CTRL_PNT

Y

11

Entering Fluid Temp

snnn.n

°F

EWT

N

12

Leaving Fluid Temp

snnn.n

°F

LWT

N

13

Emergency Stop

Enable/Emstop

 

EMSTOP

Y

14

Minutes Left for Start

nn

min

MIN_LEFT

N

15

Heat Cool Select

Heat/Cool

 

HEATCOOL

Y

CIRCA_AN (Circuit A Analog Parameters)

 

DESCRIPTION

STATUS

UNITS

POINT

FORCEABLE

1

Circuit A Analog Values

 

 

 

 

2

Percent Total Capacity

0-100

%

CAPA_T

N

3

Percent Available Cap

0-100

%

CAPA_A

N

4

Discharge Pressure

nnn.n

PSI

DP_A

N

5

Suction Pressure

nnn.n

PSI

SP_A

N

6

Saturated Condensing Tmp

snnn.n

°F

TMP_SCTA

N

7

Saturated Suction Temp

snnn.n

°F

TMP_SSTA

N

8

Compressor Suction Temp

snnn.n

°F

CTA_TMP

N

9

Suction Superheat Temp

snnn.n

^F

SH_A

N

10

EXV % Open

0-100.0

%

EXV_A

N

CIRCA_DIO (Circuit A Discrete Parameters)

 

DESCRIPTION

STATUS

UNITS

POINT

FORCEABLE

1

CIRC. A DISCRETE OUTPUTS

 

 

 

 

2

Compressor A1 Relay

ON/OFF

 

K_A1_RLY

N

3

Compressor A2 Relay

ON/OFF

 

K_A2_RLY

N

4

Compressor A3 Relay

ON/OFF

 

K_A3_RLY

N

5

Compressor A4 Relay

ON/OFF

 

K_A4_RLY

N

6

Unloader A1 Relay

ON/OFF

 

UNL_A1

N

7

Unloader A2 Relay

ON/OFF

 

UNL_A2

N

8

Liq. Line Solenoid Valve

OPEN/CLOSE

 

LLSV_A

N

9

Hot Gas Bypass Relay

ON/OFF

 

HGB

N

10

 

 

 

 

 

11

CIRC. A DISCRETE INPUTS

 

 

 

 

12

Compressor A1 Feeback

ON/OFF

 

K_A1_FBK

N

13

Compressor A2 Feedback

ON/OFF

 

K_A2_FBK

N

14

Compressor A3 Feedback

ON/OFF

 

K_A3_FBK

N

15

Compressor A4 Feedback

ON/OFF

 

K_A4_FBK

N

16

Oil Pressure Switch A

OPEN/CLOSE

 

OILSW_A

N

17

Low Pressure Switch A

OPEN/CLOSE

 

LPS_A

N

74

Page 73 Page 75
Page 74
Image 74
Carrier Air Conditioner specifications Aunit General Unit Parameters, Circaan Circuit a Analog Parameters
Page 73 Page 75

Air Conditioner specifications

Carrier Air Conditioners have long been synonymous with reliability and innovation in climate control. Founded by Willis Carrier, the inventor of modern air conditioning, the brand has continuously set industry standards through state-of-the-art technologies and features designed to enhance indoor comfort.

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