I M Portan T I N Form Ati On - UTICA BOILERS MAHF-75 Installation, Operation And Maintenance Manual

Becom e fam iliar wit h sym bols ident ifying pot ent ial hazards.
This is the safety alert sym bol. Sym bol alerts you to
potential personal inj ury hazards. Obey all safety m essages
following this sym bol to avoid possible inj ury or death.
! D AN GER
I ndicat es a hazardous sit uat ion which, if not
avoided, WI LL result in deat h or serious inj ury.
!
W ARN I N G
I ndicat es a hazardous sit uat ion which, if not
avoided, could result in deat h or serious inj ury.
! !
CAU TI ON
I ndicat es a hazardous sit uat ion which, if not
avoided, could result in m inor or m oderat e inj ury.
Used t o address pract ices not relat ed t o personal
inj ury.
1 . Sa fet y I nform a t ion
Boiler installation shall be completed by qualified
agency. See glossary for addit ional inform at ion.
W ARN I N G
!
Fire, explosion, asphyxiat ion and elect rical shock
hazard. I m proper inst allat ion could result in
deat h or serious inj ury. Read t his m anual and
underst and all requirem ent s before beginning
inst allat ion.
!
W ARN I N G
Do not t am per wit h or use t his boiler for any
purpose ot her t han it s int ended use. Failure
t o follow t hese inst ruct ions could result in
deat h or serious inj ury. Use only m anufact urer
recom m ended part s and accessories.
! W ARN I N G
Fire, Explosion, Asphyxiat ion, Elect rical shock
hazard! Flooding will result in dam ages such as
elect rical problem s, corrosion, inoperat ive part s,
m old and ot her unforeseen issues which can
occur over t im e. Any equipm ent det erm ined by
a professional as damaged by a flood, defined as
excess of wat er or ot her liquid, shall be replaced.
Failure t o follow t hese direct ions will result in a
Hazardous Sit uat ion.
! !
CAU TI ON
Lacerat ion, burn hazard. Met al edges and part s
m ay have sharp edges and/ or m ay be hot . Use
appropriat e personal prot ect ion equipm ent t o
include safet y glasses and gloves when inst alling
or servicing t his boiler. Failure t o follow t hese
inst ruct ions could result in m inor or m oderat e
inj ury.

1 - I M PORTAN T I N FORM ATI ON

NOTICE
FOR YOUR SAFETY READ BEFORE OPERATING
DANGER
!
H ot W a t e r Ca n Sca ld
Wat er heat ed t o t em perat ure for clot hes washing,
dish washing and ot her sanit izing needs can scald
and cause perm anent inj ury.
Children, elderly, and infirmed or physically
handicapped persons are m ore likely t o be
perm anent ly inj ured by hot wat er. Never leave
t hem unat t ended in bat ht ub or shower. Never allow
sm all children t o use a hot wat er t ap or draw t heir
own bat h.
If anyone using hot water in the building fits the
above descript ion, or if st at e laws or local codes
require cert ain wat er t em perat ures at hot wat er
t aps, you m ust t ake special precaut ions:
• Use lowest possible t em perat ure set t ing.
• I nst all som e t ype of t em pering device, such
as an aut om at ic m ixing valve, at hot wat er
t ap or wat er heat er. Aut om at ic m ixing valve
m ust be select ed and inst alled according
t o m anufact urer's recom m endat ions and
inst ruct ions.
• Wat er passing out of drain valves m ay be
ext rem ely hot . To avoid inj ury:
• Make sure all connect ions are t ight .
• Direct water flow away from any person.
1st Degree Burn
Water
Temperature Exposure Time For
Setting An Adult
120° F 1 minute
130° F 5 seconds
140° F 2 seconds
150° F 1 second
160° F Instantaneous
N ot e : Warning for I nfant s, Children, and Elderly:
Great care m ust be t aken when exposing t he
aforem ent ioned groups t o warm or hot wat er as t hey
can be badly burned in exposure t im es less t han half
of t he t im e for an adult .
7
!
2nd and 3rd Degree Burn
Exposure Time For An
Adult
5 minutes
30 seconds
5 seconds
1.5 seconds
0.5 seconds
240013503 REV A, [ 03/ 15/ 2022]