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Jandy® Legacy™ Model LRZM Pool/Spa Heater by Zodiac®
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Installation and Operation Manual
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Failure to perceive heat
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Failure to recognize need to leave spa
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Physical inability to leave spa
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Fetal damage in pregnant women
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Unconsciousness resulting in a danger of
drowning
1.2.2 Swimming Pool energy Saving
tips
Zodiac Pool Systems, Inc. offers the following
recommendations to help conserve fuel and minimize
the cost of operating your pool heater without sacri-
ficing comfort.
1. The American Red Cross recommends a
maximum water temperature of 78°F (25°C).
Use an accurate pool thermometer. A difference
of 4°F (2°C) , between 78°F and 82°F (26°C and
28°C), will use as much as 40% more gas.
2. Carefully monitor the water temperature of your
pool in the summertime. You can reduce heater
usage due to warmer air temperatures.
3. Find the proper setting on the pool heater temper-
ature control and use the TEMP-LOK feature to
discourage further adjustments.
4. Set the pump time clock to start the pump no
earlier than 6:00 AM during the pool heating
season. This is the time when nightly heat loss
balances.
5. If the pool is only going to be used on weekends,
reduce the heater temperature control setting by
8 or 10 degrees during the week. Reset it to the
desired temperature level a day or so before you
plan to use the pool.
6. During the winter or when on vacation for longer
than a week, shut down the heater by following
the shutdown instructions found on the inside of
the heater.
7. Where possible, shelter the pool from prevail-
ing winds with well-trimmed hedges or other
landscaping, cabanas, or fencing.
8. Always use a pool cover when practical. Besides
providing a valuable safety feature, a pool cover
will reduce heat loss, conserve chemicals, and
reduce the load on filter systems.
1.3
Warranty
The Legacy heater is sold with a limited factory
warranty. Details are specified on the back cover of
this manual.
Make all warranty claims to a Jandy dealer or
directly to the factory. Claims must include the heater
serial number and model (this information can be
found on the rating plate), installation date, and name
of the installer. Shipping costs are not included in the
warranty coverage.
The warranty does NOT cover damage caused
by improper assembly, installation, operation or field
modification. Also, damage to the heat exchanger by
corrosive water is NOT covered by the warranty. See
Section 8.1 for maintaining proper pool water chemis-
try.
Note
Keep this manual in a safe place for future
reference when inspecting or servicing the
heater.
1.4
codes and Standards
The Legacy pool and spa heaters are design
certified by CSA (Canadian Standards Association) as
complying with the latest edition of the "Standard for
Gas Fired Pool Heaters", ANSI Z21.56 in the USA and
CAN-4.7 in Canada.
All Jandy heaters must be installed in accordance
with the local building and installation codes as per the
utility or authorities having jurisdiction.
In the absence of local codes, refer to the latest
edition of the following national codes for installation:
1. In the United States, the "National Fuel Gas
Code", NFPA 54/ANSI Z223.1. Pay particular
attention to the chapter addressing "Venting of
Equipment".
2. In Canada, "The Natural Gas and Propane Instal-
lation Code", CAN/CSA-B149.1.
However, for
minimum combustion air requirements, Table
3 of this manual MUST be followed for proper
and safe operation.
The Jandy LRZ millivolt
heater may not operate properly when installed
with the only the minimum combustion air
openings allowed in CAN/CSA-B149.1.
Any changes to the heater, gas controls, gas
orifices, wiring, draft hood, vent cap, or improper
installation may void the warranty. If change is
required to any of the above, consult the factory.
Summary of Contents for Jandy Legacy LRZ Millivolt
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