WITNESS TESTING FORM DCOM-WT2
WITNESS TESTING TEST FACILITY INSPECTION
Computer and Data Processing Room
Air Conditioners PROGRAM
Participant's Company Name:
Location:
1. What is the operating range of your facility:
a. Computer Room Air Conditioner (CRAC), (dedicated compressor) unit testing:
Indoor Room Temperature range: ______°F to ______°F
Indoor Room RH range: ______% to ______%
Indoor Room SCFM range: ______CFM to ______CFM
Indoor Room Humidification capacity ______Lbm/hr
Corresponding CRAC capacity, maximum ______kBtu/hr
Outdoor Room Temperature range 1:______°F to ______°F
Total heat of rejection capacity, maximum ______kBtu/hr
Cooling tower entering water ______°F to ______°F
Water flow rate, maximum ______gpm
Total heat of rejection capacity, maximum ______kBtu/hr
b. Computer Room Air Handler (CRAH), (chilled water coil) unit testing:
Indoor Room Temperature range: ______°F to ______°F
Indoor Room RH range: ______% to ______%
Indoor Room SCFM range: ______CFM to ______CFM
Indoor Room Humidification capacity ______Lbm/hr
Chilled Water EWT / Rise: ______°F /______F°
Corresponding CRAH capacity, maximum ______kBtu/hr
Chilled water flow rate, maximum ______gpm
2. Provide annotated and dimensioned illustrations of the test facility demonstrating it complies with the layout and space requirements of ANSI/ASHRAE Standard 127. Include dimensions of all equipment access entry ways.
3. How many shifts per day will be employed for the AHRI witness testing? ______
4. Provide annotated illustrations of the test facility demonstrating that instruments are applied as required by ANSI/ASHRAE Standard 127.
5. Complete the table for instruments used to record necessary data:
Measurement / InstrumentType / Model / Accuracy in Measurement Range / Calibration Method
In-house reference* / ISO/IEC 17025:2005 accredited laboratory. / Frequency of calibration.
Barometric Pressure, inch Hg
Total power into equipment, W
Power input, indoor, W
Applied voltage, indoor, V
Applied voltage, outdoor, V
Frequency, Hz
External static pressure, inch H2O
Indoor air entering dry bulb, °F
Indoor air entering wet bulb, °F
Indoor air leaving dry bulb, °F
Indoor air leaving wet bulb, °F
Outdoor air entering dry bulb, °F
Outdoor air entering wet bulb, °F
Outdoor air leaving dry bulb, °F
Outdoor air leaving wet bulb, °F
Throat diameter of nozzle(s), inch
Static pressure difference across nozzle(s), inch H2O
Temperature at nozzle throat, °F
Pressure at nozzle throat relative to barometric pressure, inch H2O
Condensing pressure(s), psig
Liquid refrigerant temperature leaving condenser(s), °F
Evaporator pressure(s), psig
Refrigerant vapor temperature entering compressor(s),
Refrigerant vapor temperature leaving compressor(s),
Refrigerant mass flow rate(s), lbm/min
Condenser water temperature in, °F
Condenser water temperature out, °F
Condenser water flow rate, gpm
Condenser water pressure drop through unit, psi
Chilled water entering temperature, °F
Chilled water leaving temperature, °F
Chilled water flow rate, gpm
Chilled water pressure drop through unit, psi
*Provide procedure used for calibrating against in-house reference instruments and list them with their model # and frequency of calibration by ISO/IEC 17025:2005 accredited laboratory.
6. Provide a flow chart and narrative detailing the data acquisition system.
7. Provide the algorithms used to produce the calculations prescribed in ANSI/ASHRAE Standard 127.
Complied by: ______Date: ______