APC ACRP100 User Manual

Page of 82
InRow RC/RD/RP (600 mm) User’s Guide
20
Unit
Overview
View information for the various components of each unit in the group, including the following:
•  Operating mode—On, Standby, or Idle
•  Maximum Rack Inlet—in degrees F or C
•  Supply and Return Air Temperatures—in degrees F or C
•  Supply and Return Humidity—in percent relative humidity
•  Air flow—in CFM or L/s
•  Fan speed—the average RPM of all fans, given as a percentage of the maximum fan speed
•  Cool output and demand—in kW
•  Humidify, Dehumidify, and Reheat (ACRP100 and ACRP500 series only) output and demand—
as a percentage of full output and demand
Detailed status
View information for the components of the units in the group:
•  Input and output contact states — open or closed.
•  Active power source (ACRC500 and ACRP500 cooling units only) — the power source 
supplying power to the unit, A or B.
•  Rack inlet sensors — the temperature of the air at the sensors.
•  Filter differential pressure — the difference in pressure on either side of the air filter.
•  Containment differential pressure — RACS or HACS configurations only. The difference in 
pressure between the front of the unit and the rear of the unit. This value affects fan speed control.
•  Humidifier current (ACRP100 and ACRP500 cooling units only) — the current draw from the 
humidifier canister.
•  Humidifier water conductivity (ACRP100 and ACRP500 cooling units only) — the conductivity 
of the water in the humidifier canister.
•  Suction pressure (ACRD500 and ACRP100 cooling units only) — the pressure at the compressor 
inlet.
•  Discharge pressure (ACRD500 and ACRP100 cooling units only) — the pressure at the 
compressor outlet.
•  Fluid valve position (ACRC500 and ACRP500 cooling units only) — how much the valve is 
opened, as a percentage of the fully open position .
•  Fluid flow (ACRC500 and ACRP500 cooling units only) — the volume of fluid that is flowing 
through the unit.
•  Entering and leaving fluid temperature (ACRC500 and ACRP500 cooling units only) — the 
temperature of the fluid as it enters and as it leaves the unit.