Carrier Air Conditioner specifications APPENDIX A - CCN TABLES cont, AUNIT General Unit Parameters

Models: Air Conditioner

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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

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Page 74
Image 74
Carrier Air Conditioner APPENDIX A - CCN TABLES cont, AUNIT General Unit Parameters, CIRCAAN Circuit A Analog Parameters