Burnham K2WTC - Page 97

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XII. Start-Up and Checkout (continued)
Figure 12.4: Gas Valve Detail
GAS INLET
RECTIFIER
MODULE
GAS OUTLET
TUBE TO AIR
PROVING SWITCH
("OFFSET")
WARNING
• Do not attempt to operate this boiler on LP gas without converting it using the proper conversion kit.
• Do not attempt to convert this boiler to LP gas without the use of a combustion analyzer.
• Failure to follow the conversion instructions will result in operation of the boiler at unsafe Carbon
Monoxide (CO) levels and may result in personal injury or loss of life. Improper conversion may also
result in unreliable operation, resulting in property damage.
• Before attempting to operate this boiler at altitudes above 2000 ft., follow instructions shown in
Appendix A of this manual.
16) Perform a combustion test. Boilers are equipped with a screw cap in the vent adapter. Be sure to replace this cap when
combustion testing is complete. Check CO
2
(or O
2
)andCOatbothhighandlowre.Ensurethedoorpanelissealed
beforecombustionreadingsaretaken.Theboilermaybetemporarilylockedintohighorlowreasfollows:
a) Fire the boiler through any call for heat.
b) From the Home Screen, press “ADJUST” to enter the adjust menu.
c) Press “ADJUST”.
d) Press “LOGIN”.
e) Press “000”.
f) Enter the password “086”.
g) Press return arrow to close the keypad.
h) Press “SAVE”.
i) Press “ADJUST”.
j) Press “MANUAL CONTROL”.
k) Press “HIGH” or “LOW” as appropriate.