ECR International COMBI 115 Installation, Operation And Maintenance Manual page 67

!
W ARN I N G
Following service procedures m ust be perform ed by
qualified service agent. Boiler owner shall not attempt
t hese st eps. Failure t o do so could result in deat h or
serious inj ury.
! W ARN I N G
Com bust ion cham ber insulat ion in t his product
contains ceramic fiber material. Ceramic fibers can
be convert ed t o crist obalit e in very high t em perat ure
applicat ions. The I nt ernat ional Agency for Research
on Cancer ( I ARC) has concluded, Cryst alline silica
inhaled in t he form of quart z or crist obalit e from
occupat ional sources is carcinogenic t o hum ans
( Group1) . Avoid breat hing dust and cont act wit h
skin and eyes. Use NIOSH certified dust respirator
( N95) . This t ype of respirat or is based on t he OSHA
requirem ent s for crist obalit e at t he t im e t his docum ent
was writ t en. Ot her types of respirat ors m ay be
needed depending on t he j ob sit e condit ions. Current
NI OSH recom m endat ions can be found on t he NI OSH
websit e ht t p: / / www.cdc.gov/ niosh/ hom epage.ht m l.
NI OSH approved respirat ors, m anufact urers, and
phone num bers are also list ed on t his websit e. Wear
long-sleeved, loose fitting clothing, gloves, and eye
prot ect ion. Apply enough wat er t o t he com bust ion
cham ber lining t o prevent dust . Wash pot ent ially
cont am inat ed clot hes separat ely from ot her clot hing.
Rinse clot hes washer t horoughly.
NI OSH st at ed First Aid. Eye: I rrigat e im m ediat ely.
Breat hing: Fresh air.
! W ARN I N G
Before servicing, turn off electrical power to boiler
at service swit ch. Close m anual gas valve t o t urn
gas supply OFF t o boiler. Test for gas leaks on any
gas carrying com ponent s aft er servicing. Service
not complete until appliance operation verified per
I nst allat ion, Operat ion & Maint enance Manual provided
wit h boiler.
! !
CAU TI ON
Label all wires prior t o disconnect ion when servicing
cont rols. Wiring errors can cause im proper and
dangerous operat ion. Failure t o follow t hese
inst ruct ions could result in m inor or m oderat e inj ury.
NOTICE
Perform regular service and maintenance by qualified
service agency at least once every 12 m ont hs t o assure
safe, trouble free operation and maximum efficiency.
1 1 - GEN ERAL M AI N TEN AN CE AN D CLEAN I N G
1 1 .2 M a int ena nce And Rout ine Servicing
Check and service boiler as necessary.
Frequency of servicing will depend upon inst allat ion condit ions
and usage, m anufact urer recom m ends annually.
• Check com bust ion is correct using com bust ion analyzer.
• Check flue terminal outside and ensure it is not blocked.
• Operat e boiler. Check operat ion of boiler's cont rols.
• Ensure all system connections and fittings are sound.
Correct any joints and fittings that maybe leaking.
• Follow safet y valve m anufact urer recom m endat ions for
service.
To ensure boiler operates at peak efficiency, following checks
m ust be perform ed every year:
• check appearance and t ight ness of gas and com bust ion
circuit gasket s
• check condition and position of ignition and flame
sensing elect rodes
• check condit ion of burner and it s connect ion t o
alum inum front plat e
• check for dirt in com bust ion cham ber. Use vacuum
cleaner for t his cleaning operat ion
• check gas valve is calibrat ed correct ly using
com bust ion analyzer
• check t here is no dirt in condensat e t rap
• check cent ral heat ing syst em pressure
• check expansion t ank pressure
• check vent syst em , clean if necessary
Record det ails and m aint ain service hist ory.
1 1 .3 Com ponent Repla cem ent And Clea ning
1.
Rem ove any deposit s from heat exchanger using suit able
soft brush. Do not use brush wit h m et allic brist les.
2.
Check condit ion of t he com bust ion cham ber insulat ion
panels. Any dam aged panels m ust be replaced.
3.
Check condit ion of burner. Clean burner wit h soft brush
and check flame ports are clear. Blockages may be
removed with stiffer brush. Do not use a brush with
m et allic brist les t his m ight dam age t he burner.
4.
Rem ove any fallen deposit s from bot t om of inner case.
5.
Check condit ion of elect rodes.
6.
Check spark gap, posit ioning and height of elect rodes.
7.
Check fan im peller is clean and free t o rot at e.
AFTER AN Y COM PON EN T REPLACEM EN T OR
CLEAN I N G AU TO CALI BRATI ON I S REQU I RED .
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