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Part number 550-100-131/0120
– 17 –
®
gas
-
fired
water
boiler
— 220/299/300/399
Boiler Manual
Gas conversions
(continued)
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”.
3. Turn throttle screw clockwise until it stops, and then turn
counter-clockwise number of turns per Figure 19. Figure 19
is intended to make rough adjustment to gas valve to allow
the boiler to fire. They are NOT intended to replace proper
adjustment of combustion valves per instructions on page 91
of this manual.
The door must be in place during op-
eration.
DO NOT operate the boiler with the
jacket door removed except for inspection and
testing as directed in this manual.
Figure 19
Throttle screw adjustment
Boiler Model
Number of Turns
EVG 220 NG
1 ½
EVG 299/300 NG
3 ¾
EVG 399 NG
3
Figure 18
Installer conversion label
Содержание Evergreen EVG 220
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Страница 135: ...Part number 550 100 131 0120 135 gas fired water boiler 220 299 300 399 Boiler Manual Notes...
Страница 136: ...136 gas fired water boiler 220 299 300 399 Boiler Manual...