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Installation and Operation Manual
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Jandy® Legacy™ Model LRZM Pool/Spa Heater by Zodiac®
1.5
technical assistance
Consult Zodiac Pool Systems, Inc. or your local
Jandy distributor with any questions or problems
involving the specifications, installation, and opera-
tion of your Jandy equipment. An experienced techni-
cal support staff is ready to assist you in assuring the
proper performance and application of Jandy products.
For technical support call the Technical Support
Department at (800) 822-7933.
1.6
Materials installer Must Provide
1.6.1 Materials for all applications
The following items are needed and are to be
supplied by the installer for
all
Legacy heater installa-
tions:
1. The correct size gas pipe to supply gas from the
meter to the heater. See Section 4.1.
2. A manually operated gas valve to be installed in
the gas line outside of the heater jacket.
3. A suitable gas union joint to connect the heater to
the gas line outside of the heater.
4. Plumbing items needed to provide a sediment
trap (drip leg) in the gas line between the manual
gas valve and the heater. See Section 4.1.
1.6.2 Materials for Special
applications
In addition to the items listed above, the follow-
ing items are needed for special applications:
1. A factory authorized draft hood and vent pipe
for indoor installations in the USA and outdoor
shelter installations in Canada, see Section
3.2.2. Draft hoods are available from your Jandy
distributor.
2. Primer and cement suitable for cementing CPVC
pipe to PVC pipe and an appropriate coupling
for connecting the factory supplied CPVC pipe
nipples to PVC pool plumbing.
3. A noncombustible platform for installation
on combustible surfaces, see Section 2.3.3.
Noncombustible bases are available from your
Jandy distributor.
4. A factory approved vent cap for all outdoor
installations where wind conditions may cause
downdrafting. Vent caps are available from your
Jandy distributor.
1.7
Specifications
1.7.1 General Specifications
1. Installation Location:
Certified for use:
In the USA:
Natural Gas: Indoor and Outdoor
LP:
Indoor and Outdoor
In Canada:
Natural Gas : Outdoor and Outdoor
Shelter
LP:
Outdoor and Outdoor
Shelter
2. Minimum Clearance From Combustible Materi-
al:
See Table 2 in Section 2.3.2
3. *Gas Pipe/Heater Gas Valve Connection:
Natural Gas:
3/4" NPT
LP:
3/4" NPT
*
For diameter of gas line from meter to heater see Table 4 in
Section 4.1.
4. Supply Gas Type:
Certified for use with:
Natural Gas or Liquefied Petroleum Gas (LP
Gas or Propane Gas).
5. Inlet Gas Supply Pressure:
Minimum
Maximum
Natural Gas: 5.5 "WC
10.0 "WC
LP Gas:
10.0 "WC
14.0 "WC
6. Water Pipe/Heater Connection:
*2" Unthreaded PVC or CPVC
*
Other size pipes may be used. See Section 5.5 for details
7. Water Flow Rate:
Maximum:
125 gpm (475 lpm)
Minimum:
30 gpm (110 lpm)
8. Working Water Pressure:
Maximum:
75 psi
9. Exhaust Vent Connection Size: See Figure 1 in
Section 1.7.2, "Dimensions".
10. Electrical Supply: None (the Legacy LRZ milli-
volt heater is a millivolt heater with a standing
pilot ignition).
11. Modification of Heater for High Altitude:
The Legacy model LRZ millivolt heater is
normally shipped from the factory in the low
altitude (sea level) operational configuration.
When requested, the heaters can be config-
ured and shipped for higher altitudes. For field
conversions to change altitude configurations,
manifold kits for mid altitudes and high altitudes
Summary of Contents for Jandy Legacy LRZ Millivolt
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