1. Purpose
2. Scope
3. Definitions
4. Classifications
5. Requirements
6. Instruments
6.1 General
6.2 Temperature
6.3 Pressure
6.4 Draft
6.5 Combustion products
6.6 Weight or volume (if oil supplied)
6.7 Time
6.8 Smoke
6.9 Tracer gas mass flow rate
6.10 Energy flow rate
6.11 Higher heating value
7. Apparatus
7.1 General
7.2 Furnaces
7.3 Gas, propane and oil-fuelled and electric low
pressure steam and hot water boilers (including
direct vent systems)
7.4 Direct vent systems (stack insulation requirements)
7.5 Thermocouple grids
7.6 Electrical measurement
8. Methods of testing
8.1 General
8.2 Furnaces
8.3 Boilers
8.4 Test requirements or conditions
8.5 Room ambient temperature (TRA)
8.6 Jacket loss measurement
8.7 Direct vent systems
8.8 Methods of measurement for determining effectiveness
factor (Do) of automatic stack damper
8.9 Methods for determining draft factors Dp, Df and
Ds, and off-cycle loss factor, Kl
9. Test procedure
9.1 Steady-state test
9.2 Flue temperature measurements cool-down test
9.3 Flue gas temperature measurements - heat up test
9.4 Direct measurement of condensate
9.5 Direct measurement of off-cycle losses testing
method
9.6 Direct measurement of the S/F factor for oil-fuelled
furnaces and boilers
9.7 Optional test procedures for determining draft
factors for Dp, Df, and Ds, for systems equipped
with power burners or induced draft fans
9.8 Optional test procedures for condensing furnaces and
boilers which have no off-period flue losses
9.9 Tracer gas test procedures
10. Date to be recorded
11. Calculations of derived results from test measurements
11.1 Heating seasonal efficiency for electrical
furnaces and boilers
11.2 Heating seasonal efficiency gas, propane or oil
furnaces and boilers
11.3 Additional requirements for furnaces utilizing a
stack (or flue damper)
11.4 Additional requirements for furnaces utilizing
indoor air for combustion and draft control
11.5 Additional requirements for furnaces utilizing a
direct vent system and condensing furnaces and
boilers
11.6 Additional requirements for furnaces and boilers
which modulate or vary fuel input without
controlling excess combustion air
11.7 Additional requirements for atmospheric furnaces
with integral draft diverter and equipped with an
electro-mechanical device at the burner air inlet
that restricts the flow through the heater
exchanger in the off-cycle
11.8 Modulating controls
11.9 Annual fuel utilization efficiency
11.10 National average number of burner operating hours
11.11 Average fuel energy consumption for gas, propane
or oil-fuelled furnaces or boilers
11.12 Average annual auxiliary electrical energy
consumption for gas, propane or oil fuelled
furnaces or boilers
11.13 Annual fuel utilization efficiency for electric
furnaces and boilers
11.14 Average annual electric energy consumption for
electric furnaces or boilers
11.15 Reserved
11.16 Reserved
11.17 Energy factor
Appendix A Formulas for functions F3, F4, F5, F6, F7, and F8