Model LJ Pool and Spa Heater
Page 3
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 Lite2 heater installa-
tions:
1. The correct size gas pipe to supply gas from the
meter to the heater (see Section 4.1 for correct
gas pipe size).
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 union to the heater (see
Section 4.1).
5. A 115V AC or 230V AC power supply. A
junction box is not needed at the heater, connec-
tions are made inside of the heater jacket.
1.6.2 Materials for Special Applications
In addition to the items listed above, the following
items are needed for special applications.
1. A factory authorized draft hood and any vent
pipe needed for indoor installations in the USA
and outdoor shelter installations in Canada (see
Section 3.2.2). Draft hoods are available from
any 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). Non-
combustible bases are available from your Jandy
distributor.
4. A factory approved vent cap for all outdoor
installations where wind conditions may cause
downdrafting. Approved vent caps are available
from your Jandy distributor. See Section 11.2,
"Parts List", of this manual for the correct part
number.
5. Electrical relay (Jandy part number R0658100) if
pump is to be run by the heater's internal time
clock.
1.7 Specifications
1.7.1 General Specifications
1. Installation Location.
Certified for use:
In the USA:
Natural Gas: Indoor and Outdoor
Propane Gas: Outdoor Only
In Canada:
Natural Gas: Outdoor and Outdoor
Shelter
Propane Gas: Outdoor Only
2. Minimum Clearance From Combustible Material:
See Table 2 in Section 2.3.2
3. *Gas Pipe/Heater Gas Valve Connection.
Natural and 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 and 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†.
Threaded Unthreaded
Iron Pipe 2" NPT 1 1/2"*
Copper Pipe 1 1/2"* or 2"
Plastic 2" NPT** 2"
† Connections shown here are common sizes. Other sizes
may be connected (see Section 5.5 for details).
* Unthreaded 1 1/2" pipe may be used with special
seals not included with this heater.
** Threaded 2" CPVC nipples are supplied with the
heater for connecting 2" PVC pipe.
7. Flow Rate:
Maximum: 125 gpm (475 lpm)
Minimum: 30 gpm (110 lpm)
8. Maximum Working Water Pressure: 75 psi
9. Exhaust Vent Connection Size: See Figure 1 in
Section 1.7.2
10. Electrical Supply: Either 115 volts AC or 230
volts AC.
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