Please Read Before Proceeding - Weil-McLain Evergreen 220 User Manual

™ GAS

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 damage.
Indicates presence of hazards that can cause
severe personal injury, death or substantial
property damage
Indicates presence of hazards that will or can
cause minor personal injury or property damage.
Indicates special instructions on installation,
operation 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.
— This manual is for use only by a qualified
heating installer/service technician. Refer to User's
Information Manual for your reference.
— 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 prop-
erty damage.
Write in the CP number in the space provided
on the Installation certificate on page 129 if not
already shown. The CP number label is located on
both the jacket inside upper left side and outside
above the rating label.
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 Massa-
chusetts:
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 20.
Part number 550-100-131/0715
-
FIRED WATER BOILER
.
— Boiler Manual
nect electrical supply to circulator. Instead, shut
off the gas supply at a location external to the
appliance.
fied 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
substantial property damage.
Relieve pressure from the system before isolating the
expansion tank.
To avoid electric shock, disconnect electrical supply
before performing maintenance.
To avoid severe burns, allow boiler to cool before per-
forming maintenance.
This boiler contains ceramic fiber and fiberglass materi-
als. Refer to the WARNING and instructions on page 92.
Do not block flow of combustion or ventilation air to
boiler.
A carbon monoxide detector that is wired on the same
electrical 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 Evergreen heat exchanger is made of stainless steel,
and requires that system water chemistry be within the
limits in this manual. Use the inhibitor supplied with
the boiler.
. See page 84 for details.
Thoroughly flush the system (
boiler) 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 85 for details.
, turn off or discon-
. Immediately call a quali-
connecting
– 5 –