Performance and Service History
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IM 684-6 • ROOFTOP SYSTEMS
Performance and Ser
vice Hist
or
y
Table 1
1:
Service history
Firing Rate
Description of Reading
Date of Readings
1
Max
. Rate Scale = 100
Gas Manifold Pressure (In
. W
.C
.)*
2
Gas Life Pressure (In
. W
.C
.)*
3
Flame Signal (DC V
olts)
4
Ambient
Temperature (Deg
. F)
5
Flue Gas
Temperature (Deg
. F)
6
Flue Gas C02 (percent)
7
Flue Gas CO (PPM)
8
Air Pressure in Box (In
. W
.C
.)
9
Burner Motor V
olts
10
Burner
Motor Amps
11
Mid
. Rate
Scale = 50
Gas Manifold Pressure (In
. W
.C
.)*
12
Gas Line Pressure (In
. W
.C
.)*
13
Flame Signal (DC V
olts)
14
Ambient
Temperature (Deg
. F)
15
Flue Gas
Temperature (Deg
. F)
16
Flue Gas C02 (percent)
17
Flue Gas CO (PPM)
18
Air Pressure in Box (In
. W
.C
.)
19
Min
. Rate
Scale = 5
Gas Manifold Pressure (In
. W
.C
.)*
20
Gas Line Pressure (In
. W
.C
.)*
21
Flame Signal (DC V
olts)
22
Ambient
Temperature (Deg
. F)
23
Flue Gas
Temperature (Deg
. F)
24
Flue Gas C02 (percent)
25
Flue Gas CO (PPM)
26
Air Pressure in Box (In
. W
.C
.)
27
Comments:
(Summarize any service work performed)
Reference Number
(1)
28
(1) Initial Startup of Furnace
*
Tap Locations are shown as (2) and (9) on Figure 16
.
