When do regulations apply to systems using flammable or toxic refrigerants?
More than 3 tons or more than 6 driving hp
When do regulations apply to systems using nonflammable and nontoxic refrigerants?
More than 18 tons or more than 36 driving HP or over 15 psi
Annual inspection of ________?
Liquid receiver, condenser, all safety valves and their discharge points, gauges, controls and all other items which might be considered potentially critical
Inspect all heating boilers of ______?
40000 BTU or more
Inspect all hot water supply boilers of __________?
Capacity of 120 gallons or more, or heat input of 200000 btu/hr or more (58.6KW), or water temperature of 200 degrees or more
Feedwater cannot enter through?
Clearance around boiler must be?
If boiler has manhole, vertical clearance must be?