Please Read Before Proceeding - Weil-McLain ECO 70 Manual

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AS FIRED WATER BOILER

Please read before proceeding

The following defined terms are used throughout this manual to
bring attention to the presence of hazards of various risk levels
or to important information concerning the life of the product.
Indicates presence of hazards that will cause severe
personal injury, death or substantial property dam-
age.
Indicates presence of hazards that can cause severe
personal injury, death or substantial property dam-
age.
Indicates presence of hazards that will or can cause
minor personal injury or property damage.
Indicates special instructions on installation, opera-
tion or maintenance that are important but not
related to personal injury or property damage.
— Read all instructions, including this
manual and all other information shipped with
the boiler, before installing. Perform steps in the
order given.
User — This manual is for use only by a quali-
fied heating installer/service technician. Refer to
User's Information Manual for your reference.
User — Have this boiler serviced/inspected by
a qualified service technician, at least annually.
Failure to comply with the above could result
in severe personal injury, death or substantial
property damage.
Write in the CP number in the space provided
on the Installation certificate on page 121 if not
already shown. The CP number label is located
on the right side of the exterior of the cabinet.
When calling or writing about the boiler— Please
have the boiler model number from the boiler
rating label and the CP number from the boiler
jacket.
Consider piping and installation when determin-
ing boiler location.
Any claims for damage or shortage in shipment
must be filed immediately against the transporta-
tion company by the consignee.
If the boiler is installed within the Commonwealth of Mas-
sachusetts:
This product must be installed by a licensed plumber or
gas fitter.
If antifreeze is used, a reduced pressure back-flow preventer
device shall be used.
Sidewall vent air installations — see instruction on page 21.
Part number 550-142-122/0513
— Boiler Manual
electrical supply to circulator. Instead, shut off the
gas supply at a location external to the appliance.
under water. Immediately call a qualified service
technician to inspect the boiler and to replace any
part of the control system and any gas control that
has been under water.
Failure to adhere to the guidelines on this page
can result in severe personal injury, death or sub-
stantial property damage.
To avoid electric shock, disconnect electrical supply before
performing maintenance.
To avoid severe burns, allow boiler to cool before perform-
ing maintenance.
This boiler contains ceramic fiber and fiberglass materials.
Refer to the WARNING and instructions on page 84.
Do not block flow of combustion or ventilation air to boiler.
A carbon monoxide detector that is wired on the same elec-
trical circuit as the boiler is strongly recommended.
Provide surge protection in the boiler power supply. This
will reduce the possibility of damage to the boiler control.
The heat exchanger is made of stainless steel, and
ECO
requires that system water chemistry be within the limits
in this manual. Use the Sentinel X100 inhibitor supplied
with boiler.
Thoroughly flush the system (
to remove sediment. The high-efficiency heat exchanger
can be damaged by build-up or corrosion due to sediment.
Thoroughly clean and flush any replacement boiler system
that has used glycol before installing the new boiler. Use only
the products listed by Weil-McLain for use with this boiler.
See page 76 for details.
, turn off or disconnect
. See page 75 for details.
connecting boiler)
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