Table 3 — Status Switches

 

PIN

 

070

 

 

130 (50 Hz)

170,190,

210, 315A,

 

040-060 (50 Hz)

090-110,

130

270A,290A,

STATUS SWITCH

CONNECTION

(50 Hz)

150, 230A-

390A,

040-070 (60 Hz)

245B-315B

(60 Hz)

330A/B,

 

POINT

080, 230B

255A

420A/B

 

 

 

 

360A/B, 390B

 

 

 

 

 

 

 

 

Oil Pressure, Ckt B

J7-1, 2 (MBB)

Not Used*

OPSB

OPSB

OPSB

OPSB

OPSB

OPSB

Oil Pressure, Ckt A

J7-3, 4 (MBB)

Not Used*

OPSA

OPSA

OPSA

OPSA

OPSA

OPSA

Remote On/Off

TB5-13, 14

 

 

Field-Installed Relay Closure

 

 

Compressor Fault

J5-8, 12 (CXB)

Not Used

Not Used

Not Used

Not Used

Not Used

CR-B3

CR-B3

Signal, B3

 

 

 

 

 

 

 

 

Compressor Fault

J9-2, 12 (MBB)

Not Used

Not Used

CPCS-B2

CR-B2

CR-B2

CR-B2

CR-B2

Signal, B2

 

 

 

 

 

 

 

 

Compressor Fault

J9-8, 12 (MBB)

CR/CPCS-B1†

CPCS-B1

CPCS-B1

CR-B1

CR-B1

CR-B1

CR-B1

Signal, B1

 

 

 

 

 

 

 

 

Compressor Fault

J5-5, 12 (CXB)

Not Used

Not Used

Not Used

Not Used

Not Used

Not Used

CR-A4

Signal, A4

 

 

 

 

 

 

 

 

Compressor Fault

J5-11, 12 (CXB)

Not Used

Not Used

Not Used

Not Used

CR-A3

CR-A3

CR-A3

Signal, A3

 

 

 

 

 

 

 

 

Compressor Fault

J9-5, 12 (MBB)

Not Used

CPCS-A2

CPCS-A2

CR-A2

CR-A2

CR-A2

CR-A2

Signal, A2

 

 

 

 

 

 

 

 

Compressor Fault

J9-11, 12 (MBB)

CR/CPCS-A1†

CPCS-A1

CPCS-A1

CR-A1

CR-A1

CR-A1

CR-A1

Signal, A1

 

 

 

 

 

 

 

 

 

LEGEND

CPCS — Compressor Protection Control System

CR

— Control Relay

CXB

— Compressor Expansion Board

MBB

— Main Base Board

OPS

— Oil Pressure Switch, Circuit A or B

*The OPS can also be added as an accessory. †The CPCS can be added as an accessory.

Table 4 — Output Relay

RELAY

DESCRIPTION

NO.

 

 

Energize Compressor A1 and OFM1 (040-110*)

K1(MBB)

Energize Liquid Line Solenoid Valve for Ckt A (if used)

(040-110*)

 

 

Energize Compressor A1, OFM5, and OFM7 (130-210*)

 

Energize Compressor B1 and OFM2 (040-110*)

K2 (MBB)

Energize Liquid Line Solenoid Valve for Ckt B (if used)

 

(040-110*)

 

Energize Compressor B1, OFM6, and OFM8 (130-210*)

K3 (MBB)

Energize Unloader A1 (040-170*)

 

No Action (190-210*)

K4 (MBB)

Energize Unloader B1 (040-070†, 080-170*)

 

No Action (190,210*)

K5 (MBB)

No Action (040-060, 50 Hz; 040-070, 60 Hz)

 

Energize Compressor A2 (070, 50 Hz; 080-210*)

K6 (MBB)

No Action (040-080*)

 

Energize Compressor B2 (090-210*)

K7 (MBB)

Alarm

K8 (MBB)

Cooler Pump

 

Energize First Stage of Condenser Fans:

 

040-050 —OFM3

K9 (MBB)

060-110* — OFM3, OFM4

130 (60 Hz) — OFM1,OFM2

 

Energize First Stage of Ckt A Condenser Fans:

 

130 (50 Hz), 150,170* — OFM1

 

190,210* —OFM1,OFM11

 

Energize Second Stage of Condenser Fans:

 

040-050 — OFM4

 

060-090* — OFM5, OFM6

K10 (MBB)

100,110* — OFM5,OFM6,OFM7,OFM8

130 (60 Hz) — OFM3,OFM4,OFM9,OFM10

 

 

Energize First Stage of Ckt B Condenser Fans:

 

130 (50 Hz), 150,170* — OFM2

 

190,210* — OFM2,OFM12

K11 (MBB)

Hot Gas Bypass

K1 (CXB)

No Action (040-110*; 130, 60 Hz)

 

Energize Compressor A3 (130, 50 Hz; 150-210*)

K2 (CXB)

No Action (040-150*)

 

Energize Compressor B3 (170-210*)

K3 (CXB)

Energize Compressor A4 (210*)

 

Energize Accessory Unloader A2 (080-110*)

K4 (CXB)

Energize Accessory Unloader B2 (080-110*)

K5 (CXB)

Energize Second Stage of Ckt A Condenser Fans:

 

130 (50 Hz), 150-210* — OFM3,OFM9

K6 (CXB)

Energize Second Stage of Ckt B Condenser Fans:

 

130 (50 Hz), 150-210* — OFM4,OFM10

LEGEND

OFM — Outdoor-Fan Motor

*And associated modular units. †Field-installed accessory unloader.

LEGEND FOR FIG. 1-4

C— Compressor Contactor

CB

— Circuit Breaker

CCN

— Carrier Comfort Network

CGF

— Compressor Ground Fault

CHT

— Cooler Heater Thermostat

CKT

— Circuit

CLHR

— Cooler Heater Relay

CPCS

— Compressor Protection and Control System

CWFS

— Chilled Water Flow Switch

CWPI

— Chilled Water Pump Interlock

CR

— Control Relay

CXB

— Compressor Expansion Board

EQUIP GND — Equipment Ground

FB

— Fuse Block

FC

— Fan Contactor

FCB

— Fan Circuit Breaker

FIOP

— Factory-Installed Option Package

EMM

— Energy Management Module

EXV

— Electronic Expansion Valve

FCB

— Fan Circuit Breaker

HPS

— High-Pressure Switch

LCS

— Loss-of-Charge Switch

LEN

— Local Equipment Network

MBB

— Main Base Board

NEC

— National Electrical Code

OAT

— Outdoor-Air Temperature

OPS

— Oil Pressure Switch

PL

— Plug

PW

— Part Wind

SN

— Sensor (Toroid)

SPT

— Space Temperature

TRAN

— Transformer

SW

— Switch

TB

— Terminal Block

TDR

— Time Delay Relay

TXV

— Thermostatic Expansion Valve

UL

— Unloader

XL

— Across-the-Line

5

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Image 5
Carrier Air Conditioner specifications Status Switches, Output Relay
Page 4 Page 6

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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