APPENDIX K2 TO SUBPART B OF PART 430-UNIFORM TEST METHOD FOR MEASURING THE ENERGY CONSUMPTION OF ROOM HUMIDIFIERS

1. DEFINITIONS

1.1 "AHAM" means the Association of Home Appliance Manufacturers.

1.2 "AHAM HU-1-72" means the test standard published by the AHAM, titled "Appliance Humidifiers" American National Standard Z235.1-1972, and designated as AHAM HU-1-72.

1.3 "Humidification rate" a measure of the ability of a humidifier to add moisture to its surrounding atmosphere expressed as the number of gallons of water evaporated per 24 hours of continuous operation.

1.4 "Seasonal performance factor" means the ratio of the seasonal energy output of a heating system delivered to the conditioned space, in Btu's, divided by the seasonal energy input to the heating system, in Btu's.

1.5 "Humidification power" means the power, in kilowatts, required to vaporize water at the humidification rate.

1.6 "Humidistat" means a device which requires no user intervention and which is used to enable a humidifier to maintain a constant relative humidity of the conditioned air.

2. TEST CONDITIONS

2.1 Installation. Install the humidifier according to manufacturer's instructions and in accordance with sections 5.2 and 5.3 of AHAM HU-1-72. In the event of a conflict between the manufacturer's instructions and AHAM HU-1-72, the provision of AHAM HU-1-72 shall control.

2.2 Energy flow instrumentation. Install energy flow instrumentation in accordance with section 5.1 of AHAM HU-1-72. A watthour meter shall be installed in the electrical circuit when a humidifier is connected to an electrical supply circuit. The watt-hour meter shall not have an error greater than 1 percent with the smallest scale division not greater than 1 watt-hour.

2.3 Temperature instrumentation. Use mercury-in-glass thermometers accurate to within 0.1° F to measure wet bulb, dry bulb, and water reservoir temperatures. The smallest graduation on the thermometers shall not be greater than 0.2° F.

2.4 Air pressure instrumentation. Use an air pressure measurement instrument accurate to within 0.1 inch of mercury.

2.5 Time instrumentation. Use time instrumentation in acordance with section 5.1.4 of AHAM HU-1-72.

2.6 Weight instrumentation. Use weight instrumentation in accordance with section 5.1.5 of AHAM HU-1-72.

3. TEST PROCEDURES AND MEASUREMENTS

3.1 Humidification rate. Determine the humidification rate, Q, of the humidifier under test, in gallons per day, according to the methods and calculations specified in sections 5.2 and 6 of AHAM HU-1-72.

3.2 Input power. Connect the humidifier through a watt-hour meter in accordance with section 2.2 of this Appendix. Humidifiers with electric heaters shall be run with heaters on and humidity controls set at maximum levels. Measure the total electrical energy consumption, in watt-hours, at the end of the two hour test period. Calculate the input power to the humidifier, P, in kilowatts by dividing the two hour energy consumption measured in the test by 2 to obtain watts and then by 1000 to obtain kilowatt.

3.3 Barometric Pressure. Humidification rate shall be measured when barometric pressure is within the range of 29.9 inches (+1) of mercury.

APPENDIX L TO SUBPART B OF PART 430-UNIFORM TEST METHOD FOR MEASURING THE ENERGY ConsumpTION OF DEHUMIDIFIERS

1. DEFINITIONS

1.1 "ANSI" means the American National Standard Institute.

1.2 "ANS B149.1-1972" means the test standard published by the ANSI, titled "American National Standard B149.1, Dehumidifiers", and designated as ANS B149.11972.

1.3 "Capacity" means a measure of the ability of a dehumidifier to remove moisture from its surrounding atmosphere.

1.4 "Rated capacity" means the amount of water, stated in pints, collected per 24 hours of continuous operation when tested in accordance with this Appendix.

2. TESTING CONDITIONS

2.1 Installation and Operational Conditions. Install the dehumidifier, and maintain the operating conditions, according to ANS B149.1-1972 as amended by section 3.1 of this Appendix. Install a watt-hour meter with an error not greater than 0.5 percent of the indicated value. The smallest scale graduation of the watt-hour meter shall not exceed one watt-hour.

3. TESTING AND MEASUREMENTS

3.1 Test. Perform a test by establishing the testing conditions set forth in section

2.1 of this Appendix, testing the dehumidifier in accordance with ANS B149.1-1972 sections 3, 4, 5, 6, and 7, except that paragraphs 5.1 and 6.3 of ANS B149.1-1972 shall be deleted.

3.2 Test Measurements. Measure the energy consumption (E), in kilowatt-hours (kWh) during the test performed according to section 3.1 and perform the measurements specified in section 7 of ANS B149.11972.

3.3 Recorded Values. Record both the energy consumption as measured according to section 3.2 of this Appendix and the data specified in section 7 of ANS B149.1-1972.

APPENDIX M TO SUBPART B-UNIFORM TEST METHOD FOR MEASURING THE ENERGY CONSUMPTION OF CENTRAL AIR CONDITIONERS

1. DEFINITIONS

1.1 "Annual performance factor" means the total heating and cooling done by a heat pump in a particular region in one year divided by the total electric power used in one year.

1.2 "ARI" means Air-Conditioning and Refrigeration Institute.

1.3 "ARI Standard 210-79" means the test standard published in 1979 by the ARI and titled "Standard for Unitary Air-Conditioning Equipment".

1.4 "ARI Standard 240-77" means the test standard published in 1977 by the ARI and titled "Standard for Air-Source Unitary Heat Pump Equipment".

1.5 "ARI Standard 320-76" means the test standard published in 1976 by the ARI and titled "Standard for Water-Source Heat Pumps".

1.6 "ASHRAE" means the American Society of Heating, Refrigeration and Air-Conditioning Engineers, Inc.

1.7 "ASHRAE Standard 37-78" means the test standard published by ASHRAE in 1978 and titled "Methods of Testing for Rating Unitary Air-Conditioning and Heat Pump Equipment."

means a

1.8 "Continuously recorded" method of recording measurements in intervals no greater than 5 seconds.

1.9 "Cooling load factor (CLF)" means the ratio of the total cooling done in a complete cycle of a specified time period, consisting of an "on" time and "off" time, to the steady-state cooling done over the same period at constant ambient conditions.

1.10 "Cyclic Test" means a test where the indoor and outdoor conditions are held constant, but the unit is manually turned "on" and "off" for specific time periods to simulate part-load operation.

1.11 "Degradation coefficient (CD)" means the measure of the efficiency loss due to the cycling of the unit.

1.12 "Demand-defrost control system" means a system which is designed to perform the defrost function on the outdoor coil of the heat pump only when a predetermined degradation of performance is measured.

1.13 "Design heating requirement (DHR)" is the amount of heating required to maintain a given indoor temperature at a particular outdoor design temperature.

1.14 "Dry-coil test" means a test conducted at a wet-bulb temperature and a dry-bulb temperature such that moisture will not condense on the evaporator coil of the unit.

1.15 "Heating seasonal performance factor (HSPF)" means the total heating output of a heat pump during its normal annual usage period for heating divided by the total electric power input during the same period.

1.16 "Heating load factor (HLF)" means the ratio of the total heating done in a complete cycle of a specified time period, consisting of an "on" time "off" time, to the steady state heating done over the same period at constant ambient conditions.

1.17 "Latent cooling" means the amount of cooling in Btu's necessary to remove water vapor from the air passing over the indoor coil by condensation during a period of time.

1.18 "Part-load factor (PLF)" means the ratio of the cyclic energy efficiency ratio to the steady-state energy efficiency ratio at identical ambient conditions.

1.19 "Seasonal energy efficiency ratio (SEER)" means the total cooling of a central air conditioner in Btu's during its normal annual usage period for cooling divided by the total electric power input in watt-hours during the same period.

1.20 "Sensible cooling" means the amount of cooling in Btu's performed by a unit over a period of time, excluding latent cooling.

1.21 "Single package unit" means any central air conditioner in which all the major assemblies are enclosed in one cabinet.

1.22 "Split system" means any central air conditioner in which one or more of the major assemblies are separate from the others.

1.23 "Steady-state test" means a test in which all indoor and outdoor conditions are held constant and the unit is in non-changing operating mode.

1.24 "Temperature bin" means a 5° F increment over a dry-bulb temperature range of 65° F through 104° F for the cooling cycle and -25° F through 64° F for the heating cycle.

1.25 "Time-temperature defrost control system" means a system which automatically provides the defrost function at a predetermined time interval whenever the outdoor temperature drops below a level where frosting will occur.

1.26 "Test condition tolerance" means the maximum permissible variation of the average of the test observations from the standard or desired test condition as provided in 6.1.1, 6.2.1, 6.2.2, and 6.2.3 of this Appendix.

1.27 "Test operating tolerance" means the maximum permissible difference between the maximum and the minimum instrument observation during a test as provided in 6.1.1, 6.2.1, 6.2.2, and 6.2.3 of this Appendix.