Jandy LJ Installation and operation manual - Table of Contents

Other manuals for LJ: Installation And Operation Manual
Manual is about: Lite2 Pool and Spa Heater

Summary of LJ

  • Page 1

    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...

  • Page 2: Table of Contents

    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 ..............................

  • Page 3: Table of Contents (Cont'D)

    Section 8. Maintenance 8.1 water chemistry ................................ 31 8.2 seasonal care .................................... 31 8.2.1 spring and fall operation ................... 31 8.2.2 winterizing ......................................... 31 8.2.3 spring start-up ..........................

  • Page 4

    Model lj pool and spa heater page 1 section 1. General information 1.1 introduction this manual provides installation and operation instructions for the lite2 model lj pool and spa heaters. Read these installation and operation instruc- tions completely before proceeding with the installa- tion. Con...

  • Page 5

    Page 2 • lack of awareness of impending hazard • failure to perceive heat • failure to recognize need to leave spa • physical inability to leave spa • fetal damage in pregnant women • unconsciousness resulting in a danger of drowning 1.2.2 swimming pool energy saving tips jandy pool products, inc. O...

  • Page 6

    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 sect...

  • Page 7

    Page 4 11. Modification of heater for high altitude: the jandy lite 2 model lj heater is normally shipped from the factory in the low altitude (sea level) operational configuration. When requested, the heaters can be configured and shipped for higher altitudes. For field conversions to change altitu...

  • Page 8

    Model lj pool and spa heater page 5 figure 1. General configuration * ratings shown are for both natural and propane gas. Venting dimensions model firing rate / hr.* heater u.S. Indoor or width vent u.S. Outdoor can outdoor (1,000's) dim "w" diameter dim "h" shelter dim "h" in (cm) in (cm) in (cm) i...

  • Page 9

    Page 6 avoid placing the heater in locations where it can cause damage by water or condensate leakage. If this is not possible, provide a suitable drain pan to catch and divert any leakage. The pan must not restrict the air flow around the heater. All criteria given in the following sections reflect...

  • Page 10

    Model lj pool and spa heater page 7 2.3.4 outdoor installation lite2 heaters can be installed in the low-profile configuration as received from the factory, or with an optional factory approved vent cap for high wind applications. Locate the heater in an open, unroofed area. Do not install the heate...

  • Page 11

    Page 8 2.3.5 indoor and outdoor shelter installations an outdoor shelter (canada only) is an unoccu- pied enclosure which does not communicate directly with occupied areas. All indoor installations and outdoor shelter installations require the addition of a factory approved draft hood. The draft hoo...

  • Page 12

    Model lj pool and spa heater page 9 not recommend indoor installations that do not provide combustion air from outside the building. All outdoor shelter installations (canada only) must have uninterrupted openings to outside air for combustion and ventilation. The installation must be in accordance ...

  • Page 13

    Page 10 draft hood. The draft hood must be installed without modification. All vent installations must be made in accordance with all local, state or provincial codes and with: 1. Chapter covering, " venting of equipment" of the national fuel gas code, ansi 223.1 latest edition, or the applicable pr...

  • Page 14

    Model lj pool and spa heater page 11 figure 6. The proper design for a sediment trap / drip leg plate. Jandy lite2 lj heaters, as shipped from the factory, are certified to operate within the altitude range indicated on the rating plate. If a field conversion to a different altitude range should be ...

  • Page 15

    Page 12 caution some leak test solutions (including soap and water) may cause corrosion or stress cracking. Rinse the piping with water after testing. Attention certaines solutions d’essai d’étanchéité (y compris l’eau et le savon) peuvent causer de la corrosion ou de la fissuration. Rincez les tuya...

  • Page 16

    Model lj pool and spa heater page 13 from lp gas cylinders and filling equipment. Consult the national fuel gas code (nfpa 54 / ansi z223.1, latest edition), the natural gas installation code in canada (can/csa-b149.1, latest edition), and any other local codes and fire protection authori- ties abou...

  • Page 17

    Page 14 7. Tag and disconnect the white wire on the pressure switch (ps) and the white wire from the fusible link. 8. Remove plastic tie wraps and pull the white wires out of the front compartment through the vestibule cover and coil them on the heat exchanger. 9. Unscrew the brass compression fitti...

  • Page 18

    Model lj pool and spa heater page 15 heater (sizes 125,175 and 250 only), the end baffles of the heat exchanger must be removed. There are two baffles covering part of the front and rear tubes of the heat exchanger. Each baffle is held in place by two screws which mount to the top of the combustion ...

  • Page 19

    Page 16 are outside the heater jacket. Fasten the top assembly with the hex-head screws. 27. Install plastic tie wraps on wiring in the vestibule (controls compartment). 28. Install heater door. 5.5 connections at heater the heater has 2" npt universal header cou- plings. You can connect threaded 2"...

  • Page 20

    Model lj pool and spa heater page 17 • never deposit chemicals directly in the pool skimmer. Section 6. Electrical warning electrical shock hazard. This heater contains wiring that carries high voltage. Contact with these wires may result in severe injury or death. Avertissement possibilitÉ de chocs...

  • Page 21

    Page 18 lite2 model lj wiring connection figure 16. Wiring connection diagram and schematic diagram.

  • Page 22

    Model lj pool and spa heater page 19 6.3 bonding caution this heater must be connected to a bonding grid with a solid copper wire not smaller in diameter than 8 ga. Attention l’appareil de chauffage doit être connecté à une grille de mise à la terre par un fil de cuivre d’un diamètre de calibre mini...

  • Page 23

    Page 20 6.4 pump power connection electrical wiring must be in accordance with the latest edition of the national electric code (nec), ansi/national fire protection association (nfpa) 70, unless local code requirements indicate otherwise. To connect the pump to the lj controller internal time clock,...

  • Page 24

    Model lj pool and spa heater page 21 attention ne tentez pas d’effectuer des réparations au système de régulation du débit du gaz ou à l’appareil. Toute modification non autorisée est dangereuse et entraîne l’annulation de toutes les garanties. Caution keep all objects off the top of the heater. Blo...

  • Page 25

    Page 22 7.2.1 setting the real time clock the 'real time clock' displays the current time when the heater is set to the "internal time clock" mode (see section 7.4, "heater/control opera- tion"). In the event of a power interruption, the control- ler remembers the last value of each setting, includi...

  • Page 26

    Model lj pool and spa heater page 23 to set the 'pool water temperature' perform the following steps: 1. Press the mode key repeatedly until the words 'pool set' appear at the top of the display screen. 2. Press the enter key. The temperature indica- tor in the lower left corner of the display will ...

  • Page 27

    Page 24 7.2.5 setting the internal pump time clock the lj controller has a built-in 'pump time clock'. An optional electrical relay must be in- stalled to use this function of the heater. The time clock may be set to cycle the pump once in each 24 hour period. To set the 'on' and 'off' times for the...

  • Page 28: Operating Instructions

    Model lj pool and spa heater page 25 for your safety read before operating warning: if you do not follow these instructions exactly, a fire or explosion may result, causing property damage, personal injury or loss of life. Operating instructions 10. Turn on all electric power to appliance. 11. Set t...

  • Page 29

    Page 26 all values in the memory of the controller may be reset to the default values at any time by depressing and holding the 'enter' key for at least 7 seconds. Default values are listed in table 6. Before starting your heater be sure to read and become familiar with the lighting and shutdown ins...

  • Page 30

    Model lj pool and spa heater page 27 when the controller is in the “external time clock” mode, the pump key is disabled. Pressing the pump key will temporarily show an “invalid command” message on the controller display. 7.4.2.2 pump operation in “internal time clock” mode to operate the pump using ...

  • Page 31

    Page 28 wired to the fireman switch connection. The lj controller must first be set up to recognize the remote mode. The set up consists of setting the 'program' (pump time clock) 'on' and 'off' times to run for 24 hours, setting the controller function to 'spa' and setting the spa temperature to 10...

  • Page 32

    Model lj pool and spa heater page 29 3. Turn filter pump on by depressing the pump key. If a two-speed pump is used, make sure it is at high speed. Note: heater should not be allowed to fire on low speed. 4. Set the controller to 'pool' by repeatedly depressing the select key until the display shows...

  • Page 33

    Page 30 13. Subtract the first temperature reading (cold water) from the second temperature reading (heated water). The difference between the two readings is the temperature rise. The tempera- ture rise should be within the range shown in table 7. C. Turn off the power to the filter pump at the cir...

  • Page 34

    Model lj pool and spa heater page 31 11. If the temperature rise is above the maximum, there is not enough water flowing through the heater. Check for clogging in the water filter or restriction in the water pipes. 12. Once the temperature is within the correct range, safety wire the handle of the m...

  • Page 35

    Page 32 service technician perform the following steps: 1. Turn off the main gas supply valve to the heater, outside the heater jacket. 2. Remove heater door. 3. Shut down the heater following the shutdown instructions found on the inside of the heater. 4. Remove the drain plug from the return heade...

  • Page 36

    Model lj pool and spa heater page 33 avertissement une installation ou un entretien inadéquat peut causer la nausée ou l’asphyxie en raison du monoxyde de carbone présent dans les gaz de combustion et même entraîner des blessures graves ou la mort. 8.3.1 owner inspection jandy pool products, inc. Re...

  • Page 37

    Page 34 key to turn the heater off, disconnect power to the heater, plug the pump relay into the power circuit board and restore the power to the heater. Refer to section 7.6 "adjusting the pressure switch" for procedures on adjusting the pressure switch. When the adjustment has been checked and ver...

  • Page 38

    Model lj pool and spa heater page 35 troubleshooting table # symptom cause remedy 1. Pump not a.No power a.Check circuit breakers and power source. Operating b. Pump defective b. Replace. C. Incorrectly wired c. Recheck wiring including relay if using lj controller internal clock. D. Pump relay defe...

  • Page 39

    Page 36 fl 0 (open switch in the safety circuit) fl 1 (temperature sensor) fl 2 (failed ignition) 1. Pressure switch opened a. Pump is not running. B. Low pump/water pressure. C. Air is in the water line. D. Pressure switch fault. 2. Hi limit switch tripped a. Water temperature in heater exceeds the...

  • Page 40

    Model lj pool and spa heater page 37 service code cause remedy fl 2 (cont'd) (failed ignition) fl 3 (flame detected when no flame should exist) fl 4 (igniter) fl 5 (brown-out) fl 6 (24v signal to gas valve) fl 7 (remote operation circuit) e. Flame sensor circuitry is not well grounded. F. Low gas su...

  • Page 41

    Page 38 section 10. Professional maintenance and service warning servicing safety some of the servicing procedures for the lite2 model lj pool heater are hazardous because they involve fuel gas, electricity, moving parts and procedures which require testing or temporary bypass of safety controls. Fo...

  • Page 42

    Model lj pool and spa heater page 39 open end of a burner. When the gas flows into the burner, a “negative” pressure is created at the opening of the burner. This negative pressure pulls air into the burner with the gas and mixes the two together. As the gas/air mixture flow through the burner ports...

  • Page 43

    Page 40 11 10 1 3 2 4 9 7 8 6 5 circuit test points power distribution board test points figure 27. Power and control circuit test points.

  • Page 44

    Model lj pool and spa heater page 41 5. Limit switches - two limit switches prevent excessive water temperature - one within the heat exchanger and one for water leaving the heater. If either senses excessive temperature, burner operation is interrupted. 6. Water pressure switch - this control sense...

  • Page 45

    Page 42 volts. If there is no voltage, replace the transformer. To test the 12 volt transformer output, leave the black lead of the meter at test point 1 and touch the free lead of the meter to the transformer connector where the white wire is attached (test point 3). The meter should show 10-14 vol...

  • Page 46

    Model lj pool and spa heater page 43 switch”. If there is no problem with the pool system or pressure switch adjustment, replace the pressure switch. If test point e shows 24v, move the free lead of the meter to the safety circuit of the six pin connector where the black wire is attached at the lowe...

  • Page 47

    Page 44 main gas assembly 1 burner tray assy, nat 125-400 r0383601-05 1 burner tray assy, lpg 125-400 r0383701-05 2 burner tray, shelf only 125-400 r0317001-05 3 gas valve, nat all r0317100 3 gas valve, lpg all r0319600 4 anti-rotation bracket all 10835900 5 burner assy with flame sensor all r033430...

  • Page 48: Notes

    Model lj pool and spa heater page 45 jacket components 77 door with latch 125-400 r0343601-05 78 jacket assembly, less top assembly 125-400 r0343501-05 79 gap closure, inlet/outlet all r0344300 80 gap closure, return all r0344400 81 button plug, 1-3/4" all f0035300 82 button plug, 7/8" all f0032300 ...

  • Page 49

    Page 46 1 burner tray see next page for detail 30 28 37 36 38 united states 57 57 60 63 77 78 79 80 81 82 9 heat exchanger see next page for detail heater control see next page for detail 18 31 83 11.3 general exploded view 35 32 29 76 39 42 41 40 43.

  • Page 50

    Model lj pool and spa heater page 47 11.4 detailed exploded view 17 16 62 61 27 45 26 23 25 54 56 55 66 69 64 67 18 14 22 53 63 19 21 20 60 65 68 15 52 59 85 8 13 47 49 51 46 49 50 48 50 45 70 73 75 75 51 48 71 72 44 11 12 10 2 9 1 3 4 7 5 6 33.

  • Page 51: Notes

    Page 48 notes jandy® and aqualink rs® are registered trademarks of jandy pool products, inc. All other brand names, products names or trademarks belong to their respective holders..

  • Page 52: Limited Warranty

    Model lj pool and spa heater page 49 jandy pool products, inc. 6000 condor drive, moorpark, ca, usa 93021 • 707.776.8200 fax 707.763.7785 1758 corporate circle, petaluma, ca 94954 • 707.776.8200 fax 707.763.7785 litho in u.S.A. © jandy pool products, inc. 0507 h0248900e limited warranty thank you fo...