Weil-McLain Evergreen 220 User Manual page 15

™ GAS
Gas conversions
swivel nut. Replace silencer gasket and re-attach air silencer
to venturi. See Figure 14, page 14.
Inspect the gas pipe fitting connections on the gas
valve and new venturi (Item 3, Figure 14, page 14)
check the seal of the connections. Failure to
comply will cause a gas leak, resulting in severe
personal injury or death.
Do not check for gas leaks with an open flame —
use bubble test. Failure to use bubble test or check
for gas leaks can cause severe personal injury,
death or substantial property damage.
13. Reconnect wire harness to gas valve.
14. Reinstall front door, and secure the latches.
15. Restore electrical power, turn on gas by opening manual gas
valve and check for leaks.
16. When boiler has not been turned on, follow instructions
on the initial screens to select propane as the gas type. If
natural gas was already selected in the boiler control, the gas
type parameter will need to be adjusted. In the contractor
menu, under the Boiler Settings menu, adjust the "LP Gas"
setting to "YES", see Figure 72, page 74.
™
Evergreen
17. Follow instructions starting on page 88 to adjust combustion
values for propane gas.
The use of a flue gas analyzer is required to convert
this unit and determine proper gas valve settings.
Do not perform this conversion without a flue gas
analyzer. Improper gas valve settings can cause severe
personal injury, death, or property damage.
18. Perform a complete start up sequence, starting on page 84,
including a check for gas leaks and confirming proper
performance.
19. After placing the boiler in operation, the ignition system
safety shutoff device must be tested, page 89.
Part number 550-100-131/0715
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FIRED WATER BOILER
(continued)
fuel type setting screen
— Boiler Manual
LP to Natural gas conversion
1. Follow the same instructions as LP conversion, except using
the correct Natural gas conversion kit, See Figure 8, page 12 .
2. If LP gas was already selected in the boiler control, the gas
type parameter will need to be adjusted. In the contractor
menu, under the Boiler Settings menu, adjust the "LP Gas"
setting to "NO".
Perform Boiler Manual start-up
Perform complete start-up sequence (beginning on page 84),
including check for gas leaks and checking for proper operation.
After placing the boiler in operation, the ignition system safety
shutoff device must be tested, page 89.
Replace front door
Replace front door after servicing. The front door
must be securely fastened to the boiler frame to
prevent boiler from drawing air from inside the
boiler room. This is particularly important if
the boiler is located in the same room as other
appliances. Failure to keep the door securely fastened
could result in severe personal injury or death.
Apply installer conversion label
After installation is complete and boiler is set up for propane
1.
gas,fill out and attach the propane conversion label next to
the boiler rating label (left side of cabinet).
2. Contractor/installer is responsible for completing the in-
formation required on label (provided in kit) and attaching
installer conversion label next to the boiler rating label.
Installer conversion label
jacket door removed except for inspection and
testing as directed in this manual.
DO NOT operate the boiler with the
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