Specifications

64 InRow™ Direct Expansion Air Conditioners Technical Specifications 990-4617
4. Internal Humidity Sensors: Humidity sensors shall be mounted behind both the front and rear doors
and shall provide control input based on humidity in supply air. Humidifier sensor shall be +/– 3%
RH accuracy full scale. (ACRD500/ACRP100 series only)
N. COOLING FLUIDS (ACRD200 Series)
1. Water and solutions of propylene or ethylene glycol up to 50% may be used. Solutions of brine or
other aqueous salt are NOT permitted.
O. FREEZE PROTECTION (ACRD200 Series)
1. Per ASHRAE Handbook Fundamentals 2001 21.5, a maximum of 30% ethylene glycol and 35%
propylene glycol are needed for freeze protection. See the ASHRAE handbook for more details.
P. CABLE WATER DETECTOR (OPTIONAL)
1. A leak detection sensing cable shall be shipped loose with the unit. If water or other conductive
liquids contact the cable anywhere along its length, the main controller visually and audibly
annunciates the leak.
2. The detector shall be provided with a 20 ft (6.1 m) of cable. Cable may be cascaded up to 80 ft
(24.4 m).
Q. BRIDGE POWER CABLE TROUGH
1. An overhead power distribution bridge, that sits between adjacent NetShelter racks and allows for
removal of the unit without disrupting the overhead power cabling, is available as an accessory.
2. Cable trough shall be constructed of 16 gauge cold rolled steel with a black powder finish.
R. BRIDGE DATA PARTITION
1. An overhead cable distribution, that sits between adjacent NetShelter racks and allows for removal
of the unit without disrupting overhead cabling, is available as an accessory.
2. Data partition shall be constructed of 16 gauge cold rolled steel with a black powder finish.