17
WHERE TO TEST
Air Conditioning / Heat Pump
Boiler & Water Heaters & High Efficiency Modulating Hot Water Systems
Furnaces: 80% Furnaces: 90%
Suction Line:
• Temperature
Verify proper:
• Static Duct Pressures
• Temperature Differential
• Static Pressure Drop Across Coils
Boiler
Verify proper combustion:
• O2
• CO2
• CO Air Free
• Stack Temp
• Stack Draft
Water Heater
Draft
Verify proper combustion:
• O2
• CO2
• CO
• Stack Temp
• Efficiency
HE Boiler Instant
Water Heaters
Draft
Verify proper
combustion:
• O2
• CO2
• CO
• Stack Temp
• Efficiency
Hi / Low fire Gas
Pressure
Supply and Return Water temp
80% Furnace
Verify proper combustion:
• O2
• CO2
• CO
• Stack Temp
• Vent Pressure
• Efficiency
Verify/Set Up
• Gas Pressure
Test
• Limit Switch
• Pressure Switch
Verify proper operation:
• Static Duct Pressure
• Temperature Rise
• AC side Static Pressure
Drop across coils
90%+ Furnace
Verify proper combustion:
• O2
• CO2
• CO
• Stack Temp
• Vent Pressure
• Efficiency
Verify/Set Up
• Gas Pressure
Test
• Limit Switch
• Pressure Switch
Verify proper operation:
• Static Duct Pressure
• Temperature Rise
• AC side Static
Pressure
Drop across coils
to condensing unit
To Next Page
Loading...
