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Laars/ Jandy
FAQ (cont.)
To heat a pool quickly after periods of intermittent shutdown, a larger
gas-fired heater is needed. And in colder climates a larger than standard
size heater also is recommended for "constant" heating. Maintaining pool
temperature requires the same amount of fuel regardless of the heater size.
For intermittent heating however, a larger heater actually
saves fuel because it brings the pool to temperature more quickly.
If
you have questions about heater sizing, consult your Teledyne Laars/ Jandy dealer.
What are the differences between constant
and intermittent heating?
Just what the
terms imply. With constant heating your pool
temperature is kept at a comfort level, and
your pool is ready for use at all times. You
set your thermostat at the temperature you
want and forget it. This is very convenient
but more costly as more fuel is used to
maintain temperature in the pool at all
times.
With
intermittent heating, you heat your pool
only for those periods when you expect to be
using it. For example, if you swim only on
weekends, you would heat up the water for
weekend use only and shut off your heater
during the week.
With
either heating method, the use of a good
pool cover can conserve heat and
reduce fuel costs considerably.
Any pointers on intermittent heating?
While
intermittent heating generally effects
greater fuel economy, just as you would
achieve by cutting off your furnace while
away from home for several days, even less
heating is required with this method if you
keep a cover on your pool when it is not
being used. A covered pool stays warmer than
an uncovered one. Shutting down your heater
for less than 2 or 3 days can be a false
economy if you are not using a cover because
building pool temperature up again tends to
offset the "shutdown" savings. The less
temperature buildup you require, the less
energy will be needed.
Remember, too, that intermittent heating
requires a heater large enough to heat your
pool quickly when needed.
How can we conserve energy and still fully
enjoy our pool?
First, keep your
thermostat at the lowest comfortable
setting—and mark this setting on your
thermostat dial. Second, if you swim only on
weekends and are not using a cover, keep
your heater on a standby setting of 70
degrees. With a
cover on the pool when
you’re not using it, you can leave the
thermostat at your normal setting. Third, if
you’re vacationing for a couple of weeks or
more, or shutting down for the winter, turn
the heater off completely, including any
pilot light. Fourth, use all available
means to prevent heat loss. Shelter your
pool from prevailing winds using hedges,
other landscaping, cabafias or decorative
fencing as windbreaks even though the pool
is covered. Finally, use a
pool cover
whenever you are not using the pool.
Is a pool
heater safe?
As safe as any
major heating appliance in your home.
Teledyne Laars/ Jandy heaters, for example, are
equipped with automatic safety pilots or
ignition safeguards, pressure regulators,
water pressure relief valves and other
safety features. Shut-off controls are
automatic. Electric shock hazard is avoided
by construction and installation of the
heater in accordance with strict electrical
standards and codes.
Teledyne Laars/ Jandy offers two types of gas-fired
heaters. One has a standing pilot and a
built-in millivolt electrical system. The
other has 24 volt solid-state electronic
pilot ignition supplied by household
current. Both are as safe as your other gas
appliances when properly installed.
Teledyne Laars/ Jandy’ gas-fired models are design-certified by the American Gas
Association. Our oil-fired heater, which is internally grounded according to
the National Electric Code, is UL listed. Every Teledyne Laars/ Jandy heater is
fired up and fully performance-tested at the factory prior to sale.
How automatic is a pool heater?
All you do is
set it. For heating only at specific
periods, a
time clock or electronic timers
may be used for automatic shutdown and
turn-on
Are all gas-fired heaters built alike?
Definitely not.
Some are built like an ordinary tank-type
hot water heater, or with heating coils
inside the water tank. Teledyne Laars/ Jandy
gas-fired heaters were the first ever built
specifically for pools. Our heaters utilize
the direct-fire method for greater
efficiency. Patented stainless steel burners
heat finned copper tubes from which the pool
water absorbs heat as it flows through them.
This simplified direct-fire principle, first
introduced by Teledyne Laars/ Jandy 40 years ago,
makes our heaters the most imitated on the
market.
Aren’t all oil-fired heaters basically the
same?
No. Teledyne
Laars/ Jandy oil-fired heaters are trim and
compact, about half the size of many other
oil-fired heaters. But the most important
difference is that we have adapted our
proven heat exchanger to use stainless steel
finned tubes to resist sulphur corrosion.
The result is efficient heat transfer with
only minimal annual cleaning. And these
oil-fired models use our time-tested
controls throughout—all proven components
for safe, automatic operation.
What features should we look for in a pool
heater?
You should be
concerned with economy of operation,
reliability and durability.
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