User Manual
10
AIR CONDITIONING / HEAT PUMP
BOILER & WATE R HEATERS & HIGH EFFICIENCY MODULATING HOT WATE R 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
• CO Air Free
• Stack Temp
• Stack Draft
• SSE
W
ATER HEATER
Draft
Verify proper combustion:
• O2
• CO
• Stack Temp
• Efficiency
HE B
OILER INSTANT
WATE R HEATERS
Draft
Verify proper
combustion:
• O2
• CO
• Stack Temp
• Efficiency
Hi / Low fire Gas
Pressure
Send and Return
Water temp
80% FURNACE
Verify proper combustion:
• O2
• 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%+ F
URNACE
Verify proper combustion:
• O2
• 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
WHERE TO TEST
to condensing unit