JANDY LX LT Low Nox Manual de Usario

JANDY Calentador LX LT Low Nox

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FOR YOUR SAFETY - This product must be installed and serviced by authorized person-
nel, qualified in pool/spa heater installation. Improper installation and/or operation can
create carbon monoxide gas and flue gases which can cause serious injury, property
damage, or death. For indoor installations, as an additional measure of safety, Jandy Pool
Products, Inc. strongly recommends installation of suitable Carbon Monoxide detectors
in the vicinity of this appliance and in any adjacent occupied spaces. Improper installation
and/or operation will void the warranty.
H0256100F
Installation and Operating Data
WARNING
If these instructions are not followed exactly, a re or explosion may result,
causing property damage, personal injury, or death.
Do not store or use gasoline or other flammable vapors and liquids in the
vicinity of this or any other appliance.
WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch; do not use any phone in your building.
• Immediately call your gas supplier from a neighbor’s phone. Follow the gas
supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
Installation and service must be performed by a qualified installer, service
agency or the gas supplier.
Installation and
Operation Manual
LX® and
LT® Low NOx*
Gas-Fired Pool
and Spa Heater
Model LX/LT-Low NOx*
Natural Gas and LP
*Only models using natural gas are certified
as meeting low NOx emissions requirements.
Model
LX250-L
Shown
TABLE OF CONTENTS
SECTION 1. General Information
1.1 Introduction .................................................1
1.2 Consumer Information and Safety ................1
1.2.1 Spa/Hot Tub Safety Rules ...........................1
1.2.2 Swimming Pool Energy Safety Tips .............2
1.3 Warranty ..................................................... 2
1.4 Codes and Standards ..................................2
1.5 Technical Assistance ..................................3
1.6 Materials Installer Must Provide ...................3
1.6.1 Materials for All Applications ....................... 3
1.6.2 Materials for Special Applications................3
1.7 Specifications ..............................................3
1.7.1 General Specifications ................................ 3
1.7.2 Dimensions .................................................4
SECTION 2. Installation Instructions
2.1 Introduction .................................................5
2.2 Field Assembly ...........................................5
2.3 Location Requirements ................................ 5
2.3.1 Introduction .................................................5
2.3.2 Clearances ..................................................5
2.3.3 Flooring .......................................................6
2.3.4 Outdoor Installation .....................................6
2.3.5 Indoor and Outdoor Shelter Installation ........ 7
2.3.5.1 Converting the Grill to a Vent Collar .............8
SECTION 3. Venting
3.1 Combustion Air Supply ................................ 8
3.2 Exhaust Venting..........................................9
3.3 Vent Pipe Sizing and General Installation ....10
3.3.1 Outdoor Installations ................................... 10
3.3.2 Indoor and Outdoor Shelter Installations ...... 10
3.3.3 Inspection and Replacement of Existing
Vent System with New Components ...........11
SECTION 4. Gas Connections
4.1 Gas Supply and Piping ................................ 11
4.2 Manifold Pressure ....................................... 12
4.3 Special Precautions for Propane Gas ..........13
SECTION 5. Water Connections
5.1 Water Piping ............................................... 13
5.2 Check Valve Installation .............................. 13
5.3 Automatic Flow Control Valve ......................13
5.4 Reversible Water Connections .....................14
5.5 Connections at Heater .................................16
5.6 Pressure Relief Valve ..................................17
5.7 Auxiliary Components, Chlorinators, Ozone
Generators, and Sanitizing Chemicals ......... 18
SECTION 6. Electrical
6.1 General Information .....................................18
6.2 Main Power .................................................18
6.2.1 Converting the Heater for a 115V
Power Source ....................................... 20
6.3 Bonding .......................................................20
6.4 Auxiliary Time Clock Wiring ........................ 21
6.5 Remote Operation .......................................21
SECTION 7. Operating Instructions
7.1 Normal Operation ...................................... 23
7.2 Start-Up .................................................... 23
7.3 Temperature Controls ................................ 24
7.3.1 Information Displayed ................................ 24
7.3.2 Turning the Heater On or Off ......................25
7.3.3 Setting Pool and Spa Temperatures,
Changing from Fahrenheit to Celsius.... 26
7.4 Lighting and Shutdown Procedures ........... 26
7.4.1 Lighting the Heater .................................... 26
7.4.2 Shut Down ................................................26
7.5 Adjusting the Water Pressure Switch ........ 28
7.6 Temperature Rise ...................................... 29
SECTION 8. Maintenance
8.1 Water Chemistry ....................................... 30
8.2 Seasonal Care ..........................................30
8.2.1 Spring and Fall Operation .......................... 30
8.2.2 Winterizing ................................................ 30
8.2.3 Spring Start-up .......................................... 31
8.3 Inspection and Service .............................. 31
8.3.1 Owner Inspection ...................................... 31
8.3.2 Professional Inspection ............................. 32
SECTION 9. Troubleshooting
9.1 General Heater Troubleshooting Guide ......32
9.2 Service Codes ...........................................33
9.3 Ignition Control LED Service Codes ........... 33
SECTION 10. Professional Maintenance
and Service
10.1 General Information ................................... 36
10.2 "Premix" Induced Draft
Combustion System ..............................36
10.3 Special Service Issues
Premix Combustion System .................. 37
10.3.1 System Operation ..................................... 37
10.3.2 Field Service and Adjustment .................... 37
10.4 Heater Components and Their Operation ...38
10.5 Electrical Trouble Shooting ........................ 38
10.5.1 Electrical Power Supply ............................39
10.5.2 Controller .................................................. 39
10.5.3 Control Circuit Trouble Shooting ................ 39
10.5.3.1 Transformer ............................................... 40
10.5.3.2 Fuse ......................................................... 40
10.5.3.3 Water Pressure Switch/External Interlock
or Fireman Switch Circuit..................... 40
10.5.3.4 Temperature Limit Switches Circuit ........... 40
10.5.3.5 Fusible Link/Manual Reset Limit Switch
Circuit .................................................. 41
10.5.3.6 Blower Pressure Switch Circuit ................. 41
10.5.3.7 Gas Valve Voltage .................................... 42
10.5.3.8 Igniter/Ignition Control Circuit ..................... 42
SECTION 11. Replacement Parts
11.1 Ordering Information .................................. 46
11.2 Parts List .................................................. 47
11.3 General Exploded View ............................. 48
11.4 Detailed Exploded View ............................ 49
Warranty .....................................Back Cover
LX and LT Low NOx Pool/Spa Heater Page 1
SECTION 1.
General Information
1.1 Introduction
This manual provides installation and operation
instructions for the LX and LT Low NOx pool and
spa heaters. Read these installation and operation
instructions completely before proceeding with the
installation. Consult the Jandy factory, or local
factory representative, with any questions regarding
this equipment.
Certain sections of this manual are specific to
either United States or Canadian installations, and are
labeled as such.
The LX and LT Low NOx heaters get their
electrical power from an external 115VAC or
230VAC source and provide a dual electronic thermo-
stat control system for pool/spa combinations or
preheat convenience.
The LX and LT Low NOx heaters are specifi-
cally designed for heating fresh water swimming pools
and spas, and with proper installation and care, they
will provide years of reliable service. Do not use the
heater to maintain pool or spa water temperature
below 70°F. Do not use it as a heating boiler or
general service water heater or to heat salt water.
Consult your dealer for the appropriate Jandy products
for these applications.
In the LX and LT heaters, low NOx operation is
achieved through use of a special “premix” combustion
system. The operation of this type of system is af-
fected by fuel gas properties. As noted in the trouble-
shooting and maintenance sections of this manual,
adjustments may be necessary if the local gas supply is
of especially high or low heat content.
1.2 Consumer Information and Safety
The LX and LT Low NOx heaters are designed
and manufactured to provide many years of safe and
reliable service when installed, operated and main-
tained according to the information in this manual and
the installation codes referred to in later sections.
Throughout the manual safety warnings and cautions
are identified by the " " symbol. Be sure to read and
comply with all of the warnings and cautions.
1.2.1 Spa/Hot Tub Safety Rules
WARNING
The following “Safety Rules for Hot Tubs,”
recommended by the U.S. Consumer Product
Safety Commission, should be observed when
using the spa.
AVERTISSEMENT
Les Règlements suivants pour Cuves
Thermales, tel que recommandés par la
Commission U.S. de Sécurité des Produits
pour les Consommateurs, devraient être
respectés lors de l’utilisation du spa.
WARNING
The U.S. Consumer Product Safety
Commission warns that elevated water
temperature can be hazardous. Consult heater
operation and installation instructions for water
temperature guidelines before setting
temperature.
AVERTISSEMENT
La U.S. Consumer Product Safety Commission
indique que des températures de l'eau élevées
peuvent être dangereuses. Voir la notice
d'installation et de fonctionnement pour le
réglage de la température.
1. Spa or hot tub water temperature should never
exceed 104°F (40°C). One hundred degrees
Fahrenheit (100°F [38°C]) is considered safe for
a healthy adult. Special caution is recommended
for young children.
2. The drinking of alcoholic beverages before or
during spa or hot tub use can cause drowsiness
which could lead to unconsciousness, and
subsequently result in drowning.
3. Pregnant women take note! Soaking in water
above 102°F (38.5°C) can cause fetal damage
during the first three months of pregnancy (which
could result in the birth of a brain-damaged or
deformed child). If pregnant women are going to
use a spa or hot tub, they should make sure the
water temperature is below 100°F (38°C)
maximum.
4. The water temperature should always be
checked with an accurate thermometer before
entering a spa or hot tub. Temperature controls
may vary by as much as 1F° (1C°).
5. Persons with a medical history of heart disease,
diabetes, circulatory or blood pressure problems
should consult their physician before using a hot
tub or spa.
6. Persons taking any medication which induces
drowsiness (e.g., tranquilizers, antihistamines, or
anticoagulants) should not use spas or hot tubs.
7. Prolonged immersion in hot water can induce
hyperthermia.

Especificaciones del producto

Marca: JANDY
Categoría: Calentador
Modelo: LX LT Low Nox

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