Freestyle 80 - Propane Conversion Verification; Flame and Combustion Adjustment

Part number 550-142-850/0716
72
FreeStyle
®
WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
28 (continued)
❏0ROPANEBOILERSVERIFYCONVERSION
1. 6ERIFYBOILERHASBEENCONVERTEDFORPROPANE3EEpage 12FOR
FreeStyle
®
80, 120 or 155.
DO NOT attempt to mea-
sure gas valve outlet pres-
sure
DO NOT adjust or attempt to measure gas valve outlet
PRESSURE4HEGASVALVEISFACTORYSETFORTHECORRECTOUTLET
PRESSURE4HISSETTINGISSUITABLEFORNATURALGASANDPROPANE
requiring no field adjustment.
!TTEMPTINGTOALTERORMEASURETHEGASVALVEOUTLETPRESSURE
could result in damage to the valve, causing potential severe
personal injury, death or substantial property damage.
FreeStyle® boilers are shipped ready to fire natural gas
ONLY.
Failure to comply could result in severe personal injury,
death or substantial property damage.
❏#HECKmAMECOMBUSTIONwith instruments
1. Enter into the “4%34”-ODETOCHECKCOMBUSTIONON(IGH
Fire and Low Fire.
2. To operate the boiler in test mode, press the CH “-” and
“+”KEYSTOGETHERFORSECONDS3EEFigure 95, page 70) to
activate the “4%34” mode.
3. The boiler lights at the maximum heating 100% rate dis-
played on the LCD display.
4. The high fire (large) flame symbol will be displayed once the
boiler has lit.
5. Use DHW “_” button to drop firing rate to low fire.
6. To exit the “4%34” mode, press the CH keys (Items 3 and
4 Figure 74, page 60TOGETHERFORSECONDS ORLEAVETHE
BOILERTOAUTOMATICALLYSWITCHOFFAFTERMINUTESORSTOP-
ping DHW flow.
7. This TEST procedure is used to check/adjust combustion
CO and CO
2
per specifications Figure 98, page 73 and Fig-
ure 101, page 74.
8.
)NSERTCOMBUSTIONANALYZERPROBE — Remove the flue access
fittings/turn to remove (see Figure 40, page 33FROMTHEmUE
pipe and insert a combustion test probe.
9. 4ESTFOR#/
2
(or O
2
ANDFOR#/4HE#/
2
values must comply
with Figure 98 or Figure 101, page 73)FRESULTSAREACCEPT-
able, proceed to step 7. )&./4FOLLOWTHEINSTRUCTIONSUNDER
h4HROTTLE3CREW!DJUSTMENTvONpage 73 to set the throttle
screw position. See
7!2.).' below.
10. -EASURENATURALGASINPUTFOR(IGHAND,OW&IRE
a. /PERATEBOILERMINUTES4URNOFFOTHERAPPLIANCES
b. !TNATURALGASMETERMEASURETIMEINSECONDSREQUIRED
TOUSEONECUBICFOOTOFGAS
 )FCOMBUSTIONAT EITHER HIGHOR LOWlRE IS
outside the range given in Figure 98, page 73
or Figure 101, page 74FOLLOWTHEPROCEDURE
GIVENON BELOWh3ETTING THE!IR'AS 2ATIO
6ALVEvFORADJUSTINGTHETHROTTLESCREWONTHE
GASVALVE)FTHROTTLESCREWADJUSTMENTDOESNOT
correct the problem, then shut down the boiler
and contact your local Williamson-Thermoflo
representative. Throttle screw adjustment must
be done only by a qualified technician, using
calibrated test instruments. Failure to comply
could result in severe personal injury, death or
substantial property damage.
c. Calculate gas input:
3600 x 1000
= Btuh
number of seconds from step b
d. Btuh calculated should approximate input rating on
boiler rating label.
11. Use the FreeStyle®CONTROLDISPLAYTONAVIGATETO-ANUAL4EST
mode (see Figure 95, page 70ANDFORCETHElRINGRATETO,/7
(low fire). Push DHW “-” button only to drop to low fire.
12. Look at the flame through the flame inspection window. The
low fire flame should be stable and evenly distributed over
BURNERSURFACEWITHAUNIFORMORANGECOLOR
13. )FCOMBUSTIONTESTINGIN LOWlRE MEETS THE SPECIlCATION
range - Exit “4%34”-ODEBYPRESSINGTHE#(hvANDhv
KEYSTOGETHERFORSECONDS
14. Reinstall the flue access fittings, (see Figure 40, page 33) used
FORCOMBUSTIONANALYZERPROBEANDLOCKITINCLOSEDPOSITION
You must reinstall the flue access fittings to the flue
ADAPTERSTOPREVENTmUEGASSPILLAGEFROMTHEVENT
adapter test ports . Failure to comply could result in
severe personal injury, death or substantial property
damage.