1
Marquis Operation
Cold water is heated by the burner as it passes
through the stainless steel heat exchanger. The burn-
er firing rate constantly adjusts to maintain the DHW
setpoint temperature.
To avoid product damage, personal injury, or
even possible death, carefully read, under-
stand, and follow all the instructions in the
Marquis Installation manual before installa-
tion, operation, or service.
ACV-Triangle Tube cannot anticipate every cir-
cumstance that might involve a potential haz-
ard. Therefore, all possible incidents are not
included in our warnings. Proper installation,
operation, and service are your responsibility.
You must be satisfied that the operation and
settings of the Water Heater are safe for you
and for others.
Definitions
Safety Symbols are provided in the manual. When a
user fails to adhere to the following requirements, it
may cause death, serious damage, or great property
loss.
Indicates an imminently hazardous situation
which, if not avoided, will result in death or
serious injury.
Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
Indicates a potentially hazardous situation
which, if not avoided, may result in minor
or moderate injury. It is also used to alert
against unsafe practices and hazards involv-
ing only property damage.
WARNING
DANGER
WARNING
CAUTION
Product & Safety Information
Summary of Contents for Marquis TWH180
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