Table 5 — Compressor Protection Module Inputs and Outputs*

DESCRIPTION

INPUT/OUTPUT

I/O TYPE

DISPLAY MODULE POINT NAME

CONNECTION POINT

 

 

 

 

Pin

 

Notation

 

 

 

 

 

CPM-X-J1

Power (24 vac supply)

11

 

24 vac

 

 

 

 

12

 

Ground

 

 

 

 

 

CPM-X-JP12

 

 

 

 

1

RS485 Port (D+)

 

 

 

 

2

RS485 Port (Gnd)

Local Equipment Network

3

RS485 Port (D-)

 

CPM-X-J12

 

 

 

 

 

 

 

 

 

1

RS485 Port (D+)

 

 

 

 

2

RS485 Port (Gnd)

 

 

 

 

3

RS485 Port (D-)

 

 

 

 

CPM-X-J7-CH05

Circuit X High Pressure Switch

HPS-X

Switch

Not available

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J6-CH06

Oil Level Switch

Oil LS X

Switch

Circuit X Oil Solenoid, OLS.X

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

Must Trip Amps†

MTA (S2)

8-Pin DIP Switch

Must Trip Amps, MTA.X

 

 

 

 

 

 

 

 

 

 

 

 

 

Configuration Switch†

S1

8-Pin DIP Switch

S1 Config Switch, C.SW.X

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J9-CH01

Compressor X Motor Temperature

MTR-X

NTC Thermistor

Motor Temperature, CTP.X

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J9-CH02

Compressor X Discharge Gas Temperature

DGT X

NTC Thermistor

Discharge Gas Temp, DGT.X

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J10B-CH04

Oil Pressure Transducer

OPT X

Pressure Transducer

Oil Pressure, OP.X

5V

 

+ 5 vdc ref

 

 

 

S

 

Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

Return

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J10A

Economizer Pressure Transducer

 

 

Economizer Pressure, ECP.X

5V

 

+ 5 vdc ref

EPT X

Pressure Transducer

 

 

 

(sizes 175,200,350,400 only)

S

 

Signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

Return

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J8-CH01

Compressor Current X Phase A

 

Current Sensor

CUR.A

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J8-CH02

Compressor Current X Phase B

 

Current Sensor

CUR.B

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J8-CH3

Compressor Current X Phase C

 

Current Sensor

CUR.C

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J1-CH07

Compressor X 1M Contactor

C X 1M

Contactor

Compressor Output, CP.X

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

CPM-X-J2-CH8

Compressor X 2M Contactor

C X 2M

Contactor

Not available

1

 

 

 

 

 

 

2

 

 

 

 

 

 

 

CPM-X-J2-CH9

Compressor X S Contactor

C X S

Contactor

Not available

1

 

 

 

 

 

 

2

 

 

 

 

 

 

CPM-X-J2-CH12

Oil Solenoid X

Oil solenoid-X

Solenoid

Oil Solenoid Output, OLS.X

1

 

 

 

 

 

 

2

 

 

Load Solenoid X

Loading Solenoid-X

Solenoid

Slide Valve 1 Output, SL1.X

CPM-X-J2-CH13

1

 

 

 

 

 

 

 

 

 

 

 

 

CPM-X-J2-CH14

Unload Solenoid X

Unloading Solenoid-X

Solenoid

Slide Valve 2 Output, SL2.X

1

 

 

 

 

 

 

2

 

 

*“X” denotes the circuit, A or B.

 

 

 

 

 

 

†See Appendix D for MTA settings.

 

 

 

 

 

 

12

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Carrier 30XW150-400 specifications Compressor Protection Module Inputs and Outputs

30XW150-400 specifications

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