Freestyle 80 - Ratings

&IGURE 2ATINGSANDENGINEERINGDATAFreeStyle
®

Notes
1 !SAN%NERGY3TAR0ARTNER7ILLIAMSON
Thermoflo has determined that Free-
Style® boilers meet the Energy Star
GUIDELINESFORENERGYEFlCIENCY
./4%!DJUSTINGBOILERlRINGRATEWILL
AFFECT!&5%RATING
2 Based on standard test procedures
prescribed by the United States Depart-
MENTOF%NERGY
NOTE that only Heating Capacity and
!&5%ARECERTIlEDBY!(2)!&5%IS
ALSOKNOWAS!NNUAL&UEL5TILIZATION
%FlCIENCYOR3EASONAL%FlCIENCY
3 Net ratings are based on net installed
RADIATIONOFSUFlCIENTQUANTITYFORTHE
REQUIREMENTSOFTHEBUILDINGANDNOTH-
INGNEEDBEADDEDFORNORMALPIPING
and pickup. Ratings are based on a pip-
INGANDPICKUPALLOWANCEOF!N
additional allowance should be made
FORUNUSUALPIPINGANDPICKUPLOADS
4 FreeStyle® boilers must be direct-
vented.
FreeStyle® boilers require special vent-
ing. Use only the vent materials and
methods specified in this manual.
FreeStyle® 80 or 120 vent/air pipes can
be either 2” or 3”. FreeStyle®
155 is 3”
only.
 !LLVENTANDAIRPIPEELBOWSMUST
be sweep elbows, NOT short-radius
elbows.
5 2ATINGSSHOWNAREFORSEALEVELAPPLICA-
TIONSONLY&ORALTITUDESFROMSEALEVEL
TOFEETABOVESEALEVELpLEASEREFER
to page 66.
!LL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 times vent length ÷ 100.
 #3!,OW,EAD#ONTENTonly applies
to the Combi boiler models.
4(%OUTDOOR SENSOR3500,)%$7)4((%!4).'/NLY"/),%234(%"/),%2
-534"%).34!,,%$5.,%33%8%-04%$"%,/7
)SOPTIONALFOR#OMBI"OILERS
IMPORTANT
In accordance with 3ECTIONOFTHE
%NERGY!CT
, this boiler is equipped
WITH A FEATURE THATSAVESENERGY BY RE-
ducing the boiler water temperature as
THEHEATINGLOADDECREASES4HISFEATURE
is equipped with an override which is
PROVIDEDPRIMARILYTOPERMITTHEUSEOF
an external energy management system
THATSERVESTHESAMEFUNCTION
4()3/6%22)$%-534./4"%53%$5.,%33!4,%!34/.%/&4(%
&/,,/7).'#/.$)4)/.3)3425%
s !Nexternal energy management system is installed that reduces the boiler water tem-
perature as the heating load decreases.
s This BOILERISNOTUSEDFORANYSPACEHEATING
s This BOILERISPARTOFAMODULARORMULTIPLEBOILERSYSTEMHAVINGATOTALINPUTOF
BTU/hr or greater.
s This boiler is equipped with a tankless coil (not applicable to Combi).
AHRI Certified Ratings
Boiler
Model
Input
Heating
Capacity
Seasonal
Efficiency
Net
Water
Rating
% Input derate vs vent length
(Values shown are at MAX vent/air pipe length —
See Note 6)
$IRECT6ENT#ATEGORY/.,9
Vent/
Comb. Air
Connection
Diameter
"TUH
(Note 5)
"TUH
(Note 2)
!&5%
(Note 1)
"TUH
(Note 3)
.ATURALGAS 0ROPANE
)NCHES
(Note 4)
v
6ENTAIR
PIPING
v
6ENTAIR
PIPING
v
6ENTAIR
PIPING
v
6ENTAIR
PIPING
&3
       
3" PVC/PP/SS
&3
       
3” PVC/PP/SS
&3
    ----  ---- 
3” PVC/PP/SS
(Note 7)
DOE
* Low Lead Content
Part number 550-142-850/0716
127
FreeStyle
®
WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
37 Ratings