APC ACRD500 Service Manual download pdf (Page 57)

49InRow RD Technical Data Manual

u. Internal communication fault

v. On standby input contact fault

w. A-link isolation relay fault

x. Excessive compressor cycling

y. Condensate pan full (

ACRD100 series and ACRD200 series only)

z. Upper fan power supply fault (

ACRD100 series and ACRD200 series only)

aa. Lower fan power supply fault (

ACRD100 series and ACRD200 series only)

ab. Suction temperature sensor failure (

ACRD100 series and ACRD200 series only)

ac. Persistent low suction pressure fault (

ACRD100 series and ACRD200 series only)

ad. Condenser fluid valve actuator fault (

ACRD200 series only)

ae. Outdoor heat exchanger fault (

ACRD200 series only)

af. Factory configuration not completed (

ACRD200 series only)

ag. Liquid refrigerant sensor failure (

ACRD200 series only)

ah. Compressor drive communication fault (

ACRD500 series only)

ai. Compressor drive fault (

ACRD500 series only)

aj. Compressor drive warning (

ACRD500 series only)

ak. Compressor run hours violation (

ACRD500 series only)

al. Condensate pump run hours violation (

ACRD500 series only)

am. Fan run hours violation (

ACRD500 series only)

an. Supply humidity sensor fault (

ACRD500 series only)

ao. High suction pressure

4. Logging: The microprocessor controller shall log and display all available events. Each alarm

log shall contain time/date stamp as well as operating conditions at the time of occurrence. The

controller shall display the run time hours for major components.

E. Network Management Card

The unit shall include a Network Management Card to provide management through a

computer network through TCP/IP. Management through the network should include the

ability to change set points as well as view and clear alarms.

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APC ACRD500 Service Manual Page 57

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