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Part number 550-100-260/0520
149
ECO
®
Tec
GAS-FIRED WATER BOILER – 80/110/150/199 BOILER MANUAL
Ratings —
ECO Tec boilers
Ratings and engineering data —
ECO
Tec
80/110/150/199
Notes
As an Energy Star Partner, Weil-McLain
has determined that ECO
Tec 80, 110,
150 and 199 boilers meet the Energy Star
guidelines for energy efficiency.
NOTE: Adjusting boiler firing rate will
affect AFUE rating.
Based on standard test procedures
prescribed by the United States
Department of Energy. Ratings also
referred to as CSA Output.
NOTE that only DOE Heating Capacity
and AFUE are certified by AHRI. AFUE
is also know as Annual Fuel Utilization
Efficiency or Seasonal Efficiency.
Net AHRI ratings are based on net
installed radiation of sufficient quantity
for the requirements of the building
and nothing need be added for normal
piping and pickup. Ratings are based on a
piping and pickup allowance of 1.15. An
additional allowance should be made for
unusual piping and pickup loads.
ECO
Tec boilers must be direct-vented.
ECO
Tec boilers require special venting,
consistent with Category IV boiler.
Use only the vent materials and methods
specified in this manual.
ECO
Tec boilers may be direct exhaust
vented with Kit option.
ECO
Tec vent/air pipes can be either
2" or 3". An adapter is required for 2"
venting.
All vent and air pipe elbows must be sweep
elbows, NOT short-radius elbows.
Ratings shown are for sea level applications
only. For altitudes from sea level to 2,000 feet
above sea level, the ECO
Tec boiler requires no
modifications and automatically derates itself
by approximately 4% per 1000 feet above sea
level.
All of the boilers will automatically de-rate
as vent/air pipe length increases, due to the
pressure loss through the piping. For vent/air
pipe lengths less than the maximum, the derate
equals the value above (% Input derate vs. vent
length) times vent length ÷ 100, for all except
for the 199 - 2" venting. 199 -2" derate equals
13% times vent length ÷ 50.
OUTDOOR SENSOR
IMPORTANT
In accordance with
, this boiler is equipped
with a feature that saves energy by
reducing the boiler water temperature as
the heating load decreases. This feature
is equipped with an override which is
provided primarily to permit the use of
an external energy management system
that serves the same function.
An external energy management system is installed that reduces the boiler water
temperature as the heating load decreases.
This boiler is not used for any space heating.
This boiler is part of a modular or multiple boiler system having a total input of 300,000
BTU/hr or greater.
This boiler is equipped with a tankless coil (not applicable to Combi model).
Boiler
Model
ECO
Tec
CSA
Input
Heating
Capacity
Seasonal
Net
Water
Boiler
Water
Content
Vent/
Comb. Air
Connection
Diameter
% Input derate vs vent length
(Values shown are at MAX
vent/air pipe length —
See Note 6)
Btuh
(Note 5)
Btuh
(Note 2)
AFUE, %
(Note 1)
MBH
(Note 3) Gallons
Inches
(Note 4)
Natural gas Propane
2"
Vent/air
piping
3"
Vent/air
piping
2"
Vent/air
piping
3"
Vent/air
piping
80 80,000 74,000 95.0 64
2.2 3" PVC/PP/SS 5 % –– 5 % ––
110 110,000 100,000 95.0 87
2.2 3" PVC/PP/SS 10% 5 % 10% 5 %
150 150,000 139,000 95.0 121
3.1 3" PVC/PP/SS 13% 5 % 13% 5 %
199 199,000 184,000 95.0 160
3.8 3" PVC/PP/SS 13% 5 % 13% 5 %
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