ANSI Z21.40.4 : 1996 : INC : ADD A : 1998 : R2002

SECTION 1: SCOPE
SECTION 2: TESTING REQUIRED
SECTION 3: TESTING PROCEDURES
SECTION 4: TESTING PROCEDURES
SECTION 5: STEADY-STATE COOLING RATINGS
SECTION 6: STEADY-STATE HEATING RATINGS
SECTION 7: COOLING SEASONAL PERFORMANCE PARAMETERS FOR
            RESIDENTIAL AIR-SOURCE APPLIANCES
SECTION 8: HEATING SEASONAL PERFORMANCE PARAMETERS FOR
            RESIDENTIAL AIR-SOURCE APPLIANCES
SECTION 9: ANNUAL PERFORMANCE PARAMETERS FOR RESIDENTIAL
            AIR-SOURCE APPLIANCES
SECTION 10: COOLING INTEGRATED PART LOAD VALUE PARAMETERS
            FOR COMMERCIAL APPLIANCES
SECTION 11: OUTDOOR SOUND POWER LEVEL RATINGS FOR AIR-SOURCE
            APPLIANCES
SECTION 12: REFERENCES
APPENDIX A: METHODS OF DETERMINING EFFICIENCY RATINGS
            AND OPERATING COSTS OF GAS-FIRED, HEAT PUMPS
            FOR SPACE-CONDITIONING PERFORMANCE
ANNEX A: SAMPLE CALCULATION OF COOLING SEASONAL PERFORMANCE
         PARAMETERS FOR RESIDENTIAL AIR-SOURCE APPLIANCES
ANNEX B: SAMPLE CALCULATION OF HEATING SEASONAL PERFORMANCE
         PARAMETERS FOR RESIDENTIAL AIR-SOURCE APPLIANCES
ANNEX C: SAMPLE CALCULATION OF COOLING INTEGRATED PART LOAD
         VALUE PARAMETERS FOR COMMERCIAL APPLIANCES
ANNEX D: ANNUAL ENERGY CONSUMPTION OF OTHER RESIDENTIAL
         SPACE-HEATING/SPACE-COOLING APPLIANCES
LIST OF HARMONIZED Z21/CGA SERIES OF AMERICAN NATIONAL
 STANDARDS/CANADIAN GAS ASSOCIATION STANDARDS (NATIONAL
 STANDARDS OF CANADA) FOR GAS APPLIANCES AND GAS APPLIANCE
 ACCESSORIES

Specifies methods of testing and rating gas-fired, heat pumps for space-conditioning performance. Also pertains to factory-made, space-conditioning, unitary heat pumps which utilize gas as the primary fuel.