Gas Conversions - Weil-McLain EcoTec 80 Manual

G -
®
ECO Tec
AS FIRED WATER BOILER

Gas conversions

Prepare boiler for propane —
ECO Tec
80/110/150/199
(if required)
Propane operation
installed, you must turn off gas supply, turn
off power and allow boiler to cool before
proceeding. You must also completely test
the boiler after conversion to adjust gas valve
to proper setting, verify performance, and
start up the boiler following instructions
beginning on page 102 of this manual.
Figure 10, page 15 LP gas venturi will have a
black label and will be clearly labeled "LP".
Must change control settings to proper gas
type.
Failure to comply could result in severe
personal injury, death or substantial property
damage.
This conversion kit shall be installed by a
qualified service agency in accordance with the
manufacturer's instructions and all applicable
codes and requirements of the authority
having jurisdiction. If the information in these
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 the proper installation of this
kit. The installation is not proper and complete
until the operation of the converted appliance
is checked as specified in the manufacturer's
instructions.
Follow all instructions in proper order.
Do not tamper with venturi. DO NOT change or modify
venturi in any way.
Dispose of an uninstalled venturi; do not leave in the
building.
Caution – the gas supply shall be shut off prior to
disconnecting the electrical power, before proceeding
with the conversion.
Whenever the venturi is removed, all gaskets must be
replaced with new gaskets.
14
–
80/110/150/199
.
— For a boiler already
— See
B
OILER
Natural Gas to Liquefied Petroleum (Propane)
conversion kits
P/N 510-811-415 NG to Propane Gas Conversion Kit contents:
ECO Tec
511-050-233 9HQWXUL  /LTXH¿HG 3HWUROHXP 3URSDQH *DV
562-150-304 6FUHZ 3DQ +G 7 0[PP Z6T &RQ /RFN :DVKHU
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P/N 510-811-416 NG to Propane Gas Conversion Kit contents:
ECO Tec
511-050-234 9HQWXUL  /LTXH¿HG 3HWUROHXP 3URSDQH *DV
562-150-304 6FUHZ 3DQ +G 7 0[PP Z6T &RQ /RFN :DVKHU
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31  1* WR 3URSDQH *DV &RQYHUVLRQ .LW FRQWHQWV
ECO Tec
511-050-235 9HQWXUL  /LTXH¿HG 3HWUROHXP 3URSDQH *DV
562-150-304 6FUHZ 3DQ +G 7 0[PP Z6T &RQ /RFN :DVKHU
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Contact gas supplier to size pipes, tanks and 100% lockup gas
pressure regulator.
1. Adjust propane supply regulator provided by gas supplier
between the pressure listed below:
2. Pressure required at gas valve inlet pressure port:
a. Maximum: 14" (356 mm) w.c. with no flow (lockup).
b. Minimum gas pressure, with gas flowing (verify during
boiler startup, while boiler is at high fire): 3½" (89 mm) w.c.
M
ANUAL
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Part number 550-100-260/0520