4
ALTA
Combi Installation, Operating & Service Instructions
110327-07 - 2/23
2
User/Homeowner Read Before Proceeding
CAUTION
Burn Hazard.
Keep children and pets away from hot surfaces
of the boiler including boiler piping, vent piping,
and vent terminals.
!
NOTICE:
Protect your home in freezing weather.
A power outage, safety lockout, or component
failure will prevent your boiler from lighting. In
winter your pipes may freeze and cause extensive
property damage. Do not leave heating system
unattended during cold weather unless alarms
or other safeguards are in place to prevent such
property damage.
NOTICE:
Boiler may leak water at the end of its
useful life. Be sure to protect walls, carpets, and
valuables from water that could leak from boiler.
WARNING
Asphyxiation Hazard. Fire Hazard.
• A qualified installer, service agency or
gas supplier should annually inspect boiler
including annually inspecting all vent gaskets
and replacing any exhibiting damage or
deterioration.
• If you are not qualified to install or service
boilers, do not install or service this one.
• Carbon monoxide is an odorless, deadly gas
that may be introduced into your home by any
malfunctioning fuel burning product or vent
system failure.
It is strongly recommended
that CO alarms be installed near bedrooms
and on all levels of building to warn you and
your family of potential CO exposure.
• Do not block air flow into or around boiler.
Insufficient air may cause the boiler to produce
carbon monoxide or start a fire.
!
BURN
HOT
• Water temperature over 125°F (52°C) can cause severe burns
instantly or death from scalds.
• Under certain conditions, this boiler can deliver domestic hot
water (DHW) at temperatures in excess of the DHW set point
on boiler control.
• Children, disabled and elderly are at highest risk of being scalded.
• Feel water before bathing or showering.
• Installation of an ASSE 1017 or ASSE 1070 certified
tempering valve is REQUIRED as part of this boiler’s
installation. Consult manual for details on valve installation
and temperature adjustment.
• Additional temperature control valves
may also be required at fixtures.
Consult installation manual and
authority having jurisdiction for
additional details.
DANGER
!
110445-01
• Water temperature over 125°F (52°C) can cause
severe burns instantly or death from scalds.
• Under certain conditions, this boiler can deliver
hot water (DHW) at temperatures in excess of
the DHW set point on boiler control.
• Children, disabled and elderly are at highest
risk of being scalded.
• Feel water before bathing or showering.
• Installation of an ASSE 1017 or ASSE 1070
certified tempering valve is REQUIRED as
part of this boiler's installation. See Section 11
Domestic Water Piping and authority
having jurisdiction for additional details.
• Additional temperature control valves may
also be required at fixtures. See Section 11
Domestic Water Piping and authority having
jurisdiction for additional details.
