LAARS Stor - Installation, Operation and Maintenance Instructions - Manual (Page 12)

12
SECTION III
GENERAL INFORMATION
FEATURES
This water heater contains the following features:
HEAT EXCHANGER -- The heat exchanger (coil) has 1” NPT female
fittings.
These water heaters with single-wall heat exchangers meets the
Uniform Plumbing Code for installation in all potable water systems
provided that:
• The boiler water (including additives) is practically non-toxic, having
toxicity rating of class of 1 as listed in Clinical Toxicology of
Commercial Products.
• The boiler water pressure is limited to maximum 30 psig by approved
relief valve.
• The heat transfer medium is potable water or contains only substances
that are recognized as safe by the U.S. Food and Drug Administration
(FDA).
• The pressure of the heat transfer medium is maintained less than the
normal minimum operating pressure of the potable water system.
• The equipment is permanently labeled to indicate that only additives
recognized as safe by the FDA shall be used in the heat transfer
medium.
ADJUSTABLE AQUASTAT – The temperature may be adjusted from
80°F to 160°F. The aquastat (thermostat) was adjusted to 120°F before the
heater was shipped from the factory. It is recommended that lower
temperatures be used to avoid the risk of scalding. Refer to the “Warnings”
and the section on SCALDING in “Section VII – Operating Instructions.”
It is further recommended, in all cases, that the water temperature be set for
the lowest temperature that satisfies your hot water needs. This will also
provide the most energy efficient operation of the water heater and
minimizes scale formation.
Setting the water heater temperature at 120°F will reduce the risk of scalds.
Some states require settings to specific lower temperatures.