
11
FURNACES (CONTINUED): ATMOSPHERIC, GAS & OIL
NA
TURAL
GA
S
& PR
OPANE
Verify proper combustion:
• O2
• CO
• Stack Temp
• Vent Pressure
• Efficiency
Test
• Limit Switch
• Pressure Switch
Set Up
• Gas Pressure
Verify proper:
• Static Duct Pressure
• Temperature Rise
• AC side Static Pressure Drop across coils
OIL FURNACE
V
erify pr
oper combustion:
• O2
• CO
• Stack T
emp
• Stack Draft
• Efficiency
Test & Verify:
• Smoke
Set Up
• Over Fire Draft
V
erify pr
oper
• Static Duct Pressure
• Temperature Rise
• AC side Static Pressure Drop across coils
AT
MOSPHERIC
FU
RNACE
Draft
Verify proper
• Temperature Rise
•
AC side Static Pressure Drop across coils
Verify proper combustion:
• O2
• CO
• Stack Temp
• Efficiency
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