Carrier 30HX PRO Especificaciones descargar pdf (Pagina 36)

Order No. 13054-76 (Phase 3 ), 04.2002. Supersedes order No.: 13054-76, 04.2000 Manufactured by: Carrier S.A., Montluel, France.

Manufacturer reserves the right to change any product specifications without notice. Printed in the Netherlands on totally chlorine-free paper.

ALARM FUNCTION DESCRIPTION ACTION RESET NOTE

1xx Defect compressor A1 See SCPM subcodes below See SCPM subcodes below Manual

2xx Defect compressor A2 See SCPM subcodes below See SCPM subcodes below Manual

3xx Defect compressor B1 See SCPM subcodes below See SCPM subcodes below Manual

4xx Defect compressor B2 See SCPM subcodes below See SCPM subcodes below Manual

FUNCTION

High motor

temperature

Motor temperature

sensor

High pressurestat

tripped

High motor current

Rotor blocked

Ground current fault

Current drop in one

phase L1

Current drop in one

phase L2

Current drop in one

phase L3

Current imbalance

>14%

Current imbalance

>18%

No motor current

Star-delta start-up

Contactor failure

Compressor shut-

down not possible

Current phase reversal

Configuration block

fault

SCPM SUBCODES (XX)

ALARM

DESCRIPTION

SCPM detects high motor temperature, if

temperature is higher than 110°C for 10

seconds

SCPM measures a temperature outside

the -40°C to 118°C temperature range

HPS port to SCPM module open

SCPM detects high current, based on MTA

rating

SCPM detects ground current (2.5 +2/- 0

amps)

SCPM measures a current drop > = 65%

SCPM measures a current imbalance

between phases as more than 14% for 25

minutes

SCPM measures a current imbalance

between phases of more than 18% for 25

minutes

SCPM module shows less than 10% of the

MTA for more than 3 seconds

SCPM detects 10% of the MTA for 10

seconds after shutdown of the compressor

contactor. Oil solenoid still has supply.

SCPM detects a current phase reversal

via the core

SCPM detects a reading fault at the block

ACTION

Compressor shut down

Ditto

None, simple message

Compressor shut down,

if threshold alarm is

validated.

Shut down

Compressor shut down

Unit shut down

Circuit shut down

Compressor shut down

RESET

Manual

Manual, if

threshold alarm is

validated.

Otherwise auto

reset.

Ditto

Manual

NOTE

Solenoid, cooling motor defect, low

refrigerant charge. Wiring, motor

temperature sensor or SCPM board fault

Thermistor, solenoid, motor cooling or wiring

fault

Lack of condenser water flow. Condenser

valve blocked, fan circuit fault, high

condenser entering air or water temperature

Operation outside the compressor capacity.

Configuration block badly perforated, motor

fault

Load too high

Ground current fault on motor winding, wiring

fault

Motor fault, wiring fault

Loss of power supply, wiring fault, loose

terminal, core defective

Poor power supply, loose terminal, core

defective

Power supply interrupted, fuse(s) blown,

wiring fault, core defective

Defective connector

Defective/blocked contactor

Contact stuck

Supply phases or cables reversed, core

wiring reversed after replacement

Configuration block on SCPM board badly

perforated or badly placed. Defective board.

Legend:

* Defrost threshold = 1,1°C for water or for the lowest cooling setpoint less 4,4°C for brine or low brine.

** This safety circuit is controlled by two contacts, 16A and 16B, which are connected in series internally. If there is only a single control box there is a jumper on

16B, otherwise 16B controls the control box safety of the circuit. If one of the two contacts 16A and 16B is open, the whole unit is in fault status.

SCPM: Compressor protection module

FSM: Flotronic System Manager

CSM: Chiller System Manager

MTA: Compressor Must Trip Amperes

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Carrier 30HX PRO Especificaciones Pagina 36

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