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Finned copper tube gas boilers & water heaters – Boiler Manual
51
F
F
CO M BUSTI O N ANALYSIS
LL
MINIMUM FIR I NG RATE
A
A
1 00% FIR IN G RATE
A
A
GAS PRESSURE AT ELBOW TEST POR T
INCHES W.C .
I NCHES W.C .
C O
2
%
%
O
2
%
%
CO ( PPM )
PP M
PPM
NET S TA C K TEMPERAT U R E
o
F
o
F
ELBOW PRESSURE (W.C.)
IN C HE S W. C.
I N C HE S W. C.
SAFE TY T E S T CHE CK LI ST
F L O W SWITCHE S
A IR S WIT CH
FLAME SAFEGUAR D
L OW WATER CUT-OFF
H IGH LIMIT S
C O MMISSIONIN G THE BO I LER/WAT E R
A
A
HEATER
A
A
U NIT CYCLED MINIMUM O F 15 TIME S
THE DELTA T BETWEEN THE HEATER
INLET AND OUTLET IS CRITICAL TO
PROPER FLOW. BEFORE YOU LEAVE
THE JOBSITE, YOU MUST RECORD THE
DELTA T. THIS READING SHOULD NOT
EXCEED 35°F, 19.4°C, NOR BE LOWER
THAN 20°F, 11.2°C.
D ELTA T =
CUSTOMER INSTRUCTE D
ALL COVERS REPLACE D
C UST O MER GIVEN MANUA L
T ARGET TEMPERAT U RE SET PER C U ST O ME R
COMMISSIONED BY: ______________________________________
(
SIGNATURE )
DATE: ___________________________ _
ADDI TI ONAL N O TE S AND C O MMENTS
Verify that the piping and controls ensure the boiler return water temperature does NOT drop below 140°F, 60°C. Operating
at lower return temperatures is likely to cause condensation in the primary heat exchanger, resulting in corrosion and possible
failure of the heat exchanger.
