Jandy LJ, Installation And Operation Manual

Page 1: ...r 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 n...

Page 2: ...ions and Limits 19 SECTION 7 Operating Instructions Continued 7 2 1 Setting the Real Time Clock 19 7 2 2 Setting the Temperature Scale 20 7 2 3 Setting Pool and Spa Temperatures 20 7 2 4 SettingtheFre...

Page 3: ...ons for water temperature guidelines before setting temperature AVERTISSEMENT La U S Consumer Product Safety Commission indique que des temp ratures de l eau lev es peuvent tre dangereuses Voir la not...

Page 4: ...mproperassembly installation operationorfield 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...

Page 5: ...helter Propane Gas OutdoorOnly 2 MinimumClearanceFromCombustibleMaterial See Table 1 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...

Page 6: ...outdoor installation requires the addition of a factory approved vent cap The Lite2 heater is design certified for indoor installation when equipped with a draft hood whichmustbeinstalledwithoutmodif...

Page 7: ...or other permanent barrier Ce chauffe piscine doit tre install au moins 5 pieds 1 52m de la paroi interne de la piscine moins d tre isol de la piscine par une cl ture un mur ou autre barri re permane...

Page 8: ...the heater and the structure should not overhang the heater more than 12 inches 0 30 m The area under the overhang must be open on three sides This prevents combustion gases from being diverted into...

Page 9: ...the building see Figure 4 and Table 2 Water Pik Tech nologies does not recommend indoor installations that do not provide combustion air from outside the build ing All outdoor shelter installations C...

Page 10: ...tallations exhaustventingconsid erations will determine the placement of the heater See Section 2 3 4 If the heater cannot be placed so as to meet the requirements stated in Section 2 3 4 a vent pipe...

Page 11: ...is heater from natural gas to propane gas or propane to natural without manufacturer s approval Unauthorized field conversion could create carbon monoxide gas which can cause property damage serious i...

Page 12: ...5 5 140 10 0 255 Maximum 10 0 255 14 0 355 5 Install a sediment trap drip leg ahead of the gas controls see Figure 5 Fit the trap with a threaded cap which can be removed for cleaning 6 Install a manu...

Page 13: ...ither occurrence 5 2 Check Valve Installation For normal installations do not install a shutoff valve or any kind of variable restriction in the water piping between the heater outlet and the pool spa...

Page 14: ...e three rubber jacket plug grommets and drain plugs see Figure 7 One is located under the water connections on the right side The other two are on the left side of the heater 7 Tag and disconnect the...

Page 15: ...the pressure switch tube with plastic wire ties 19 Connect the white wire labeled PS to the pres sure switch and the other white wire to its originallocationonthefusiblelink 20 Reinstall the drain plu...

Page 16: ...d the check valve Never deposit chemicals directly in the pool skimmer To install plastic piping see Figure 13 1 Remove CPVC nipples from plastic bag 2 Screw CPVC nipples into metal flange until tight...

Page 17: ...with a 115 VAC power supply The power conversion plug on the power circuit board see Figure 15 must be removed from the board the plastic stop pin must be removed from the white end of the plug and p...

Page 18: ...Page 16 LITE2 MODEL LJ WIRING CONNECTION DIAGRAM Figure 15 Wiring Connection Diagram and Schematic Diagram...

Page 19: ...ss local code requirements indicate otherwise To connect the pump to the LJ controller internal time clock perform the following steps 1 Turn off all power to the heater at the circuit breaker panel 2...

Page 20: ...ature control When that happens the heater will automatically shut off but the filterpumpwillkeeprunning IMPORTANT The temperature controls cannot be calibrated in the field If the control is faulty s...

Page 21: ...red the clock will remember the time when the power went off and resume from that point on Therefore the clock will have to be reset Refer to Figure 17 to identify the location of keys and display ite...

Page 22: ...e makes it easy to switch between heating the pool and heating the spa by eliminating the need to change the thermostat setting to the desired temperature each time the switch is made NOTE The tempera...

Page 23: ...hen the temperature is set to your preference press the ENTER key The temperature indicator will stop flashing and the word NORMAL will appear in the upper left corner of the display screen to indicat...

Page 24: ...ocated on the inside of the heater 7 4 1 Normal Operation Be sure that the NORMAL icon is displayed in the upper left corner of the LJ Controller display screen If it is not depress the MODE key repea...

Page 25: ...nnot reach your gas supplier call the fire department C Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it c...

Page 26: ...e quence will begin 7 4 3 Locking Unlocking the Keypad Once all of the limits have been set see Section 7 2 Setting the LJ Controller Functions and Limits you may choose to lock the keypad to prevent...

Page 27: ...to set the heater to the SPA mode Then follow the instructions in Section 7 2 3 Setting the Pool and Spa Temperatures to set the spa temperature limit to 104 F 40 C This will allow the remote system...

Page 28: ...e display shows that the heater is OFF Minimum Minimum Maximum Size GPM LPM F C F C 125 20 76 27 15 36 20 175 20 76 33 19 42 24 250 25 95 33 19 42 24 325 30 114 28 16 38 21 400 30 114 30 17 39 22 Tabl...

Page 29: ...4 5 Insert a pocket thermometer see Figure 14 through the Pete s plug into the header 6 Turn the circuit breaker on to supply the heater with power 7 Close manual bypass valve 8 Set the controller to...

Page 30: ...to be used for a long period of time shut it down completely Follow the instructions found on the inside of the heater or page 23 of this manual 8 2 2 Winterizing In areas where freezing temperatures...

Page 31: ...round and beneath the heater clean and free of all combustible materials such as paper leaves etc 3 Do not store or use gasoline or other flammable vapors liquids or chemicals in the vicinity of this...

Page 32: ...ce away from the lower firebox opening to prevent any risk of personal injury 8 Inspect the external surfaces of the heat ex changer tubes for black carbon soot buildup by placing a mirror between and...

Page 33: ...roller defective F Replace controller 2 Flame roll out A Blocked flue A Remove blockage on start up B Igniter out of position delayed ignition B Correct igniter position C Blocked heat exchanger C Cle...

Page 34: ...identifying fault conditions that effect the operation of the heater see Section 9 2 1 There are three service codes that will reset automatically once the fault condition has been re solved Service c...

Page 35: ...circuitry is not E Ensure that the green wire from the 6 pin wellgrounded connector the power circuit board is tightly attached to the ground screw with a star washer F Low gas supply pressure F Iden...

Page 36: ...pool system including pump filters and strainers water valves gas supply electrical power and time clocks have an effect on heater operation Confirm that the LJ heater control is set to POOL or SPA a...

Page 37: ...surface igniter directly ignites the air gas mixture in the combustion chamber 4 Flame Sensor The flame sensor is the elec trode through which the ignition control detects rectification of current pas...

Page 38: ...Page 36 11 10 1 3 2 4 9 7 8 6 5 CIRCUIT TEST POINTS POWER DISTRIBUTION BOARD TEST POINTS Figure 26 Power and Control Circuit Test Points...

Page 39: ...ies the voltage to 115V before sending it on to the igniter and configures the input to the transformer for 230V It is important to be sure that the correct side of the power conversion plug is plugge...

Page 40: ...meter to the terminal of the water pressure switch where the white wire is connected test point D If there is no voltage one of the limit switches is open This is normally due to excessive water tem...

Page 41: ...ignition is not achieved the igniter is turned off and the system waits for a 45 second post purge period The system may go through this cycle as many as three times but thereafter it is locked out by...

Page 42: ...bly Set of 18 All R0050800 52 Flange Gasket Assembly Set of 2 All R0055000 53 Flange 2 All 10573500 54 Flange Gasket 2 All S0078000 54 Flange Gasket 1 1 2 2 All S0078100 55 Flange Sleeve 2 All S007820...

Page 43: ...1 BURNERTRAY SEENEXTPAGE FORDETAIL 30 28 37 36 38 39 42 UNITEDSTATES 57 57 60 63 77 78 79 80 81 82 12 HEAT EXCHANGER SEENEXTPAGEFORDETAIL HEATERCONTROL SEENEXTPAGEFORDETAIL 8 21 31 83 11 3 General Ex...

Page 44: ...2 47 49 51 46 49 50 48 50 45 11 13 9 11 12 10 1 3 4 7 6 5 11 4 Detailed Exploded View 17 16 62 61 27 45 26 23 25 54 56 55 66 69 64 70 67 18 14 22 53 63 19 21 20 60 65 68 15 73 52 75 75 59 51 48 71 72...

Page 45: ...Model LJ Pool and Spa Heater Page 43 NOTES...

Page 46: ...Page 44 NOTES...

Page 47: ...l and Spa Heater Page 45 NOTES Jandy are trademarks of Jandy Industries Inc Laars LT and Laars LX are trademarks of Laars Inc All other brand names products names or trademarks belong to their respect...

Page 48: ...INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE AND MERCHANTABILITY WATER PIK TECHNOLOGIES INC AND JANDY EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR CONS...