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Appendix A: Instructions for High Altitude Installations Above 2000 ft.
Do not attempt to install K2WTC-180B at altitudes above 2000ft. Attempts to do so may result in unreliable
operation, property damage, personal injury or loss of life due to carbon monoxide (CO) poisoning.
These instructions apply only to the following K2WTC boiler configurations: 2001 ft.- 6000 ft, 6000 ft.- 7800 ft.,
7801 ft.- 10,100 ft.
These instructions contain specific information to setup your boiler to ensure proper
LP Conversions - K2WTC boiler setup from factory is configured for use with natural gas installed from
0 - 2000 ft above sea level only. For any conversion to LP, use a proper conversion kit per Table 3.1. Use
a combustion analyzer and follow all instructions supplied with conversion kit. If the instructions are
not followed exactly, a fire, an explosion or production of carbon monoxide may result causing property
damage, personal injury or loss of life. The qualified service agency is responsible for proper installation
of this boiler for use with LP gas. The installation is not proper and complete until the operation of the
converted appliance is checked as specified in the manufacturer's instructions supplied.
These instructions include a procedure for adjusting the air-fuel mixture on this boiler. This procedure
requires a combustion analyzer to measure the CO
gas. Adjusting the air-fuel mixture without a proper combustion analyzer could result in unreliable boiler
operation, personal injury, or death due to carbon monoxide poisoning.
Failure to setup the Boiler in accordance with these instructions could result in high amount of Carbon
Monoxide to be produced which could result in death, serious injury, and/or reduced component life.
This boiler comes with a vent side noise attenuator. If equivalent vent length is less than 70 equivalent ft.,
install vent side noise attenuator as described in the venting section of this manual. Failure to do so may
result in boiler combustion noise during operation. Attenuator is not required on size 135 at altitudes above
2000ft.
Adjusting Boiler Type (must be completed first)
Select the correct K2WTC boiler size, altitude, and fuel
range using the touch screen display as follows:
1. Check boiler's rating label for actual boiler size.
2. Confirm installation altitude
3. Power up the boiler. The display will show the
Home screen.
4. Press "Adjust" button on the Home screen.
5. Press "Adjust" button on the Adjust Mode screen.
6. Press "Login" button to access Password screen.
7. Press 5-digit display to open a keypad. Enter the
password "86" and press the return arrow to close
keypad. Press "Save" button.
8. Press "Adjust" button to enter Adjustment Mode.
107774-01- 9/17
WARNING
WARNING
(or Oxygen) and Carbon Monoxide (CO) levels in flue
2
NOTICE
9. Press "Modulation Setup" menu button.
10. Press "Adjust" button on the Boiler Type screen.
11. Use the ↓ ↑ arrow buttons to select the correct size,
altitude, and fuel of your boiler. Press the (Check
with Circle) button to enter your selection.
12. Press "Enter" button until display stops blinking,
press next and repeat until "Completed" is
displayed.
13. Press X to exit
Basic Setup Procedure for K2WTC High Altitude
Natural Gas
After Boiler Type has been selected, proceed to
Section XI "Start-up and Checkout" to complete
boiler setup. See Table A1 for altitude combustion
values.
operation.
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