Freestyle 80 - Page 74

Figure 100Offset aDJUSTMENTSCREWnn
/.,9FORUSEBYAQUALIlEDTECHNICIANUSING
CALIBRATEDCOMBUSTIONTESTINSTRUMENTS
Part number 550-142-850/0716
74
FreeStyle
®
WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
.ATURAL'AS!CCEPTABLE#OMBUSTION2ANGE
-INIMUM2ATEAFTERMINUTESFROMCOLD
Boiler Model
CO/(PPM) CO
2
NG % CO
2
LP %
&3
20  n   n 
&3
20  n   n 
&3
7  n   n 
At Minimum Rate:
1. !DJUSTTHEBOILERTOMINIMUMOUTPUTANDALLOWTHEBOILER
to stabilize.
2. .OWADJUSTTHEOFFSETPRESSURESETTINGFigure 100 - cup B)
Torx (T-40 male driver) until the CO
2
is at the correct SET-
TING LEVEL (see Figure 101), confirm that the CO/CO
2
ratio is within limits (clockwise to increase gas).
28 (continued)
Re-check the Minimum Rate
3. 4URNOFFTHEBOILERANDTHENTURNITBACKONANDPUTIN4EST
-ODEATMAXIMUMFORMINUTETHENREDUCElRINGRATE
HIGHlREFORMINUTES2EDUCETOMINIMUMANDRECHECK
the minimum rate output ensuring the CO
2
setting level has
remained unchanged and confirm that the CO/CO
2
ratio
is within limits.
4. In the event that the CO
2
setting level with an acceptable
CO/CO
2
ratio cannot be obtained please contact your
Williamson-Thermoflo representative.
5. Should you require any assistance during the set up pro-
cedure contact your Williamson-Thermoflo representative
IFTHEPROBLEMCANNOTBEADDRESSEDWITHTHEINFORMATION
provided in this manual.
❏#HECK(EATEXCHANGERANDVENTSEALS
1. Operate the boiler on HIGH fire.
2. !LEAKWOULDAPPEARASVAPORONTHESURFACEOFTHEMIRROR
3. )FTHEREISANYINDICATIONOFALEAKATANYJOINTIMMEDIATELY
shut down the boiler.
a. )FPOSSIBLETIGHTENTHERETAININGSCREWSORNUTSWITHOUT
over-tightening).
b. )FTHIS DOES NOT CORRECTTHEPROBLEMDISASSEMBLE THE
components where the leak appeared. Use the proce-
DURESGIVENINTHE-AINTENANCESECTIONOFTHISMANUAL
c. When disassembling components, inspect gaskets to see
IFTHEREISDAMAGE2EPLACEANYDAMAGEDGASKET
d. #ONTACTYOUR7ILLIAMSON4HERMOmOREPRESENTATIVEIF
THEPROBLEMCANNOTBEADDRESSEDWITHTHEINFORMATION
provided in this manual.
❏#HECKIGNITIONSYSTEMSAFETYSHUTOFFDEVICE
1. !FTERTHEBOILERHASBEENINSTALLEDTURNOFFTHEBOILER
2. 3HUTOFFTHEMANUALGASVALVELOCATEDONTHEGASLINETOCUT
mOWOFFUELTOTHEBOILER
3. Turn on the boiler. It will start to ignite and a “d3” code will
mASH!FTERTHEhd3”CODEmASHFORSOMETIMETHEBOILERWILL
go into a Lockout condition and a “!” code will show in
the display. It means that the boiler tried to ignite without
success (code “d3” FOR THREE TIMES AND WHEN INTO
Lockout mode(code “!”). This means that the ignition
SYSTEMSAFETYDEVICEWORKEDPROPERLY
4. Open the manual gas valve located on the gas line to resume
FUELSUPPLYTOTHEBOILER
5. Hit the “Reset” button once to Clear the Lockout code “!”.
Figure 101Minimum rate combustion values –
measured values must be within the ranges
given below
 !DJUSTINSTEPSOFNOMORETHANOFATURNAND
WAITMINUTEAFTEREACHADJUSTMENTTOALLOWTHE
SETTINGTOSTABILISE4URNINGTHESCREWTOOFARWILL
cause the adjustment to reverse behavior.
/FFSETADJUSTMENTB
Offset Regulating screw
Test at MIN. Power 00%
Turn clockwise (open gas)

Turn counter-clockwise
(close gas)
