Carrier 30HX PRO Especificaciones descargar pdf (Pagina 34)

RESET

TYPE

CCN/

Automatic

Auto

Ditto

Auto in the

10mn that

Ditto

Auto if the

same alarm

has not

tripped the

same day

Ditto

Manual

Auto if the

same alarm

has not

tripped the

same day

Ditto

Manual

Auto if the

same alarm

has not

tripped the

same day

Ditto

Manual

Auto

Auto if the

same alarm

has not

tripped the

same day

Ditto

DESCRIPTION

Unit emergency stop

Initial factory configuration

required

Illegal initial factory configuration

Compr A capacity too high

Compr B2 configured and

compressor B1 absent

Fan configured for a water-cooled

condenser

Fans not configured

Heat reclaim option configured

and reclaim sensors configured

Discharge pressure circuit A too

high

Discharge pressure circuit B too

high

Oil solenoid failure, compressor

Pre-start oil pressure,

compressor A1

Pre-start oil pressure,

compressor A2

Pre-start oil pressure,

compressor B1

Pre-start oil pressure,

compressor B2

Oil level circuit A low

Oil level circuit B low

Low saturated suction temp, crt A

Low saturated suction temp,

circuit B

High saturated suction temp,

circuit A

High saturated suction temp,

crt B

Low discharge superheat,

circuit A

Low discharge superheat, crt B

Max. oil pressure difference,

compressor A1

Max. oil pressure difference,

compressor A2

Max. oil pressure difference,

compressor B1

Max. oil pressure difference,

compressor B2

Loss of commuincation with

System Manager

Loss of communication with

master or slave unit

Low oil pressure compr A1

Low oil pressure compr A2

Low oil pressure compr B1

WHY WAS THIS ALARM

GENERATED?

CCN command to stop the unit received

All factory parameters are 0

Bad factory configuration

SCT>loadshed threshold. Max. satur. condensing

pressure (mct_sp) if only one capacity stage remains

in operation.

SCT>loadshed threshold. Max. satur. condensing

pressure (mct_sp) if only one capacity stage

remains in operation.

Oil pressure differential >17kPa during the period

following pump start-up and before opening of the oil

solenoid (see prelubrication)

Ditto

Oil pump does not sufficiently increase the pressure

during several prelubrication cycles

Oil pump does not sufficiently increase the pressure

during several prelubrication cycles

Oil pump does not sufficiently increase the pressure

during several prelubrication cycles

Oil pump does not sufficiently increase the pressure

during several prelubrication cycles

Oil level control contact open during operation

SST under defrost theshold* for 3 minutes

SST under defrost threshold* for 3 minutes

After 90 seconds of operation if SST > 12,8°C & EXV

< 1%

After 90 seconds of operation if SST > 12,8°C &

EXV < 1%

Superheat <2,8 K for 10 minutes

(Discharge pressure - oil pressure) >340 kPa for

more than 6 seconds

(Discharge pressure - oil pressure) >340 kPa for

more than 6 seconds

(Discharge pressure - oil pressure) >340 kPa for

more than 6 seconds

(Discharge pressure - oil pressure) >340 kPa for

more than 6 seconds

The unit is controlled by a System Manager

(Flotronic or Chiller) and communication with this

module is lost for more than two minutes

The master/slave link is broken due to a loss of

communication between the two units for more than

2 minutes

Oil pressure differential below the setpoint

(dynamically calculated) for 15 seconds

Oil pressure differential below the setpoint

(dynamically calculated) for 15 seconds

Oil pressure differential below oil setpoints 1 or 2

(see alert criteria for low oil pressure and setpoint)

ACTION TAKEN BY

THE CONTROL

Unit shut down

Unit cannot start

Ditto

Circuit A shut down

Circuit B shut down

Compressor A1 not

authorised to start

Compressor A2 not

authorised to start

Compressor B1 not

authorised to start

Compressor B2 not

authorised to start

Compressor A1cannot start

Compressor A2 cannot start

Compressor B1 cannot start

Compressor B2 cannot start

Circuit A shut down

Circuit B shut down

Circuit A shut down

Circuit B shut down

Circuit A shut down

Circuit B shut down

Circuit A shut down

Circuit B shut down

Compressor A1 shut down

Compressor A2 shut down

Compressor B1 shut down

Compr B2 shut down

Unit returns to autonomous

operating mode

Unit returns to autonomous

operating mode

Compressor A1 shut down

Compressor A2 shut down

Compressor B1 shut down

PROBABLE CAUSE

Control network

No factory configuration

Factory configuration error

Transducer/high pressure switch or fan

circuit defective, water flow obstructed in

the condenser, water entering

temperature or condenser air too high

Ditto

Oil valve defective

Ditto

Low oil level, oil pump, oil solenoid or oil

transducer failure

Ditto

Oil level detector defective, oil quantity

insufficient

Ditto

Low refrigerant charge, filter drier

obstructed, expansion valve and

transducer defective, low water flow, low

evaporator water temperature

Ditto

Expansion valve, liquid level sensor or

transducer defective, high evaporator

temp.

Ditto

Thermistor, transducer, EXV or

economizer defective

Ditto

Obstructed oil filter, oil solenoid or shut-

off valve blocked, or manual oil valve

closed

Ditto

Defective CCN BUS wiring or system

module failure

Defective CCN BUS wiring or loss of

supply

Low condenser air or water

temperature, oil filters obstructed, oil

valve blocked, oil solenoid and oil

pressure transducer defective

Ditto

ALARM

CODE

43-n

43-1

43-2

43-3

43-4

43-5

1 2 ... 29 30 31 32 33 34 35 36

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Carrier 30HX PRO Especificaciones Pagina 34

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