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Page 34

Key

     Model   Order

No

       Description

      No

 Part No.

ELECTRICAL SYSTEM

19

Temperature Control Assembly

All

R0058200

20

Wire Harness

All

R0058000

21

Plate Assembly

All

10457300

22

On-Off Switch

All

R0099800

23

Temperature Control Label

All

H0105300

24

Temperature Sensor

All

R0011800

25

Protector Sleeve, Bulb

All

10444900

26

"O" Ring, Temperature Control Bulb

All

E0116400

27

Thermostat Knob, Black

All

R0010700

28

Stop Plate, "Temp-Lok"

All

10583100

29

Temperature Control Gasket

All

S0070000

30

Bezel

All

S0069800

31

Stop Plate Screw (Not Shown)

All

F0033300

32

Temperature Sensor Retainer Bracket

All

10447300

33

Retainer Bracket Screw

All

F0009100

34

Pressure Switch & Siphon Loop Assembly (2 PSI)All

R0097600

35

Pressure Switch, 2 PSI

All

R0013200

35

Pressure Switch, 1 PSI

All

R0011300

35

Pressure Switch, 1-10 PSI

All

R0015500

36

Siphon Loop Assembly

All

R0057800

37

High-Limit Switch Assembly

All

R0023200

38

High-Limit Switch,  135° F

All

R0022700

39

High-Limit Switch,  150° F

All

R0023000

40

High-Limit Switch Retainer Boot

All

S0098900

41

High-Limit Switch Wire Harness

All

10419300

42

High-Limit Switch Retainer Clip

All

10418400

43

High-Limit Switch Cover

All

10418300

44

Fusible Link Assembly

All

R0012200

45

Fusible Link Bracket

All

10479900

46

Terminal Block

All

R0097800

VENT SYSTEM

47

Top Enclosure

125-400 R0343401-05

48

Top Filler Plate

125-400 R0343701-05

49

Rainshield Kit

125-400 R0318301-05

50

Flue Collector Assembly

125-400 R0316401-05

51

Outdoor Vent Cap

125-400 10561501-05

52

Indoor  Drafthood

125-400 10561401-05

53

    Flue Transition Plate

125-400 10861901-05

54

    Adapter Plate

125-400 10535301-05

55

    Clip

All

10211000

56

Flue Collector Hold Down Clamp

All

10726000

WATER SYSTEM

57

Inlet/Outlet Header,  2"

All

R0056400

57

Inlet/Outlet Header, Bronze, 2"

All

R0016800

58

Return Header (Includes set of 9 gaskets)

All

R0058300

58

Return Header, Bronze
(Includes set of 9 gaskets)

All

R0054600

59

Header Bolt Assembly (Set of 8)

All

R0057000

60

Bolt for Headers, 2 1/2"

All

F0046100

61

Washer for Headers

All

F0011100

62

Nut for Headers

All

F0003100

63

Header Gasket Assembly  (Set of 18)

All

R0050800

64

Flange & Gasket Assembly  (Set of 2 )

All

R0055000

65

Flange, 2"

All

10573500

66

Flange Gasket, 2"

All

S0078000

67

Flange Sleeve, 2"

All

S0078200

68

Flange Bolt

All

F0031700

69

Flange Gasket, 1 1/2 - 2"

All

S0078100

70

Rubber Grommet for Drain Plug

All

R0316300

71

Grommet, Slitted (Not Shown)

All

S0071100

72

Brass Connector Body

All

P0019701

73

Brass Drain Plug 1/4"

All

P0026800

74

Brass Plug, 3/4"

All

P0027000

75

By-Pass Assembly w/o spring (Iron Cap)

All

R0013100

75

By-Pass Assembly with spring (Bronze Cap)

125-400 10701401-05

76

By-Pass Valve Rod

All

S0079800

Key

     Model   Order

No

       Description

      No

 Part No.

SECTION 11.
Replacement Parts

11.1 Ordering Information

To order or purchase parts for the Lite2 model LG

pool/spa heater, contact your nearest Jandy dealer or
distributor. See the Jandy web page at www.Jandy.com
for the nearest service center. If they cannot supply you
with what you need, contact the Customer Service
Manager at Water Pik Technologies, P.O. Box 6000,
Petaluma, California, 94954, Telephone (707) 776-
8200 extension 245.

NOTE: To supply the correct part it is important
that you state the model number, serial number
and type of gas when applicable. This
information is on the rating plate inside the
heater.

11.2 Parts List

The following three pages contain a parts list,

general exploded view and detailed exploded views to
aid in parts identification. Please refer to these pages
when ordering parts for your Lite2 pool/spa heater.

PILOT/IGNITER SYSTEM

1

Pilot, Main Burner Assembly,  NAT

All

R0099100

1

Pilot, Main Burner Assembly, 

 

LPG

All

R0099200

2

Pilot Burner,  NAT

All

R0096700

2

Pilot Burner,   LPG

All

R0096600

3

Pilot Electrode

All

W0040000

4

Pilot Generator

All

W0036901

5

Ceramic Insulator Assembly

All

10418820

6

Burner, Main w/Pilot Bracket

All

10457500

7

High Voltage Lead Assembly

All

R0099000

8

Pilot Tubing

All

R0037000

9

Piezo Lighter Assembly

All

R0096800

10

Pilot Condensate Shield

All

R0323300

MAIN GAS ASSEMBLY

11

Burner Tray Assy,  NAT

125-400 R0098601-05

11

Burner Tray Assy,  LPG

125-400 R0098701-05

12

Burner Tray, Shelf Only

125-400 R0317001-05

13

Gas Valve,  NAT

All

R0096400

13

Gas Valve,  LPG

All

R0096900

14

Gas Orifice, NAT 0 - 3,000 ft alt. (EA.) 

(Note 1)

All

L0032200

14

Gas Orifice, LPG 0 - 5,000 ft alt. (EA.) 

(Note 2)

All

L0032900

15

Anti-Rotation Bracket

All

10835900

16

Mounting Bracket Assembly

All

10419200

17

Burner, Main

All

L0052300

18

Burner Manifold

125

L0052200

18

Burner Manifold

175

L0006300

18

Burner Manifold

250

L0006400

18

Burner Manifold

325

L0006500

18

Burner Manifold

400

L0006600

Summary of Contents for LG125

Page 1: ...H0264600A InstallationandOperationData WARNING If these instructions are not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasol...

Page 2: ...Generators and Sanitizing Chemicals 16 SECTION 6 Electrical Connection 6 1 Main Power 17 6 2 Bonding 17 6 3 Auxiliary Time Clock Wiring 17 SECTION 7 Operating Instructions 7 1 Normal Operation 17 7 2...

Page 3: ...Tubs recommended by the U S Consumer Product Safety Commission should be observed when using the spa WARNING The U S Consumer Product Safety Commission warns that elevated water temperature can be ha...

Page 4: ...specified on the back cover of thismanual Make all warranty claims to an authorized Jandy representative or directly to the factory Claims must include the heater serial number and model this informa...

Page 5: ...helter and Outdoor 2 MinimumClearanceFromCombustibleMaterial See Table 2 in Section 2 3 2 3 Gas Pipe Heater Gas Valve Connection Natural Gas 3 4 NPT LP Gas 3 4 NPT For diameter of gas line from meter...

Page 6: ...l application and installationprocedurescompletelybeforecontinuing theinstallation 2 2 Field Assembly The Lite2 heater is shipped from the factory with the top assembly in the low profile configuratio...

Page 7: ...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 block natural flow of air aroun...

Page 8: ...ation Lite2 heaters can be installed in the low profile top configuration as received from the factory or with an optional high wind vent cap Locate the heater in an open unroofed area Do not install...

Page 9: ...0 91 m from vertical surfaces e g nearby buildings and walls The addition of a vent cap may be necessary In Florida it is required that the heater be se curely fastened to the equipment pad Use a siz...

Page 10: ...ly through an outside wall each opening should have a minimum free area of one square inch per 4 000 BTU h 1 2kW input of the total input rating of all appliances in the enclosed area If air is provid...

Page 11: ...be desirable to add a vent cap directly to the top of the heater In all cases vent pipes and caps must be of the same diameter as the exhaust outlet of the heater Approved vent caps may be obtained t...

Page 12: ...st be used be sure to carefully inspect the venting system to ensure that it is in good condition and continues to be appropriate for the Lite2 heater Replace any parts that are not in good and servic...

Page 13: ...ring the piping pressure test 7 If the gas supply pressure is less than required check for undersized pipe between the meter and the heater a restrictive fitting or an undersized gas meter Gas supply...

Page 14: ...your manom eter The pressure will be zero when the heater is not running When the heater is operating the manifold gas pressure should be 4 0 WC for natural gas heaters and 9 0 WC for LP gas heaters...

Page 15: ...header of the Lite2 comes equipped with an automatic flow control valve The automatic flow control valve maintains the proper flow through the heater at rates up to approximately 125 Gallons Per Minut...

Page 16: ...retainer bracket off the bulb flange and remove the bulb from the header see Figure 10 Pull pressure switch tube through the hole in the vestibule cover and into the vestibule controls compart ment t...

Page 17: ...tor are installed into the grooves on the front and rear combustion chamber heat shield panels Be sure the sheet metal panels are not pinching any wires 22 Attach the flue collector hold down clamps t...

Page 18: ...m any area occupied during servicing 5 7 Auxiliary Components Chlorinators Ozone Generators and Sanitizing Chemicals The Lite2 heater is manufactured with materials that are not compatible with high c...

Page 19: ...itch into the heater wires see Figure 16 1 Remove heater door 2 Remove the factory installed wire between terminals 1 and 2 on the terminal strip see Figure16 3 Connect the wires from the time clock a...

Page 20: ...Page 18 Figure 17 LG Connection Schematic Wiring Diagram...

Page 21: ...n the pool and that the surface level is above the skimmer or other inlet of the pool s filter system Confirm that pool water is flowing normally through the pool system and equipment With any new poo...

Page 22: ...F 21 C to 40 C Use an accurate pool thermometer to determine the best water temperature for your uses The Lite2 temperature control panel has a rocker switch to turn the heater on and off It also has...

Page 23: ...If pilot goes out repeat steps 1 through 6 TO SHUT OFF HEATER To shut off main burners turn gas control knob clockwise until it stops at PILOT For complete shut off press down slightly on knob while t...

Page 24: ...1 Set the control panel rocker switch to the OFF position see Figure 18 2 Set the Pool temperature control to the Max position 3 Turn filter pump on If a two speed pump is used make sure it is at high...

Page 25: ...y 13 If the temperature rise is within the correct range complete the procedure as follows a Turn heater OFF b Wait 3 minutes turn filter pump OFF c Remove thermometer and Pete s plug d Replace the dr...

Page 26: ...ment It is recommended to change the spa water every 60 days for light usage and every 30 days if usage is heavy Table 7 Chemical Concentration Levels Test Recommended Level Free Chlorine or 1 0 to 3...

Page 27: ...er or page 21 of this manual 8 3 Inspection and Service The Lite2 LG heater is designed and constructed heater to provide long performance life when installed and operated properly under normal condit...

Page 28: ...bove burner surface see Figure 22 7 Inspect the gas and electronic controls including the following a High temperature limit switch b Water pressure switch c Automatic gas valve d Fusible Link e Tempe...

Page 29: ...equate C Replace with heater of higher input 7 Heater pounding A Inadequate water flow A Check temperature rise between inlet and outlet heater or knocking through heater piping See section 7 6 for re...

Page 30: ...that there is no block age of the vent or louvers which supply combustion air to the burners 10 2 Natural Draft Combustion System The Lite2 model LG pool heater has an atmo spheric combustion system T...

Page 31: ...eater If this current is broken at any time the gas valve is immedi ately shut off and the heater stops firing This voltage is also used to activate the gas valve s pilot coil which allows gas to flow...

Page 32: ...ction 7 3 check the voltage reading between the PP terminal on the gas valve test point 1 and the TH terminal on the gas valve test point 17 If the meter shows less than 220mVDC then there is a proble...

Page 33: ...n This is normally due to excessive water temperature which should be thoroughly investigated before replacement of limit switches Excessive water temperature may be caused by low water flow Water flo...

Page 34: ...he internal contacts are working correctly The volt meter reading should drop to zero when the switch is OFF and return to at least 220mV when the switch is placed back in the ON position 10 4 7 2 Var...

Page 35: ...Model LG Pool and Spa Heater Page 33 Figure 24 Test Point Identification Diagram...

Page 36: ...000 67 Flange Sleeve 2 All S0078200 68 Flange Bolt All F0031700 69 Flange Gasket 1 1 2 2 All S0078100 70 Rubber Grommet for Drain Plug All R0316300 71 Grommet Slitted Not Shown All S0071100 72 Brass C...

Page 37: ...125 S0000300 88 Heat Exchanger End Baffles 2 Required 125 400 R0332301 05 FIREBOX COMPONENTS 89 Complete Combustion Chamber Assy 125 400 R0316701 05 JACKET COMPONENTS 90 Door with Latch 125 400 R03436...

Page 38: ...R TRAY SEE NEXT PAGE FOR DETAIL 44 45 46 54 48 47 49 50 53 UNITED STATES 70 70 73 73 89 90 91 92 93 94 95 96 HEAT EXCHANGER SEE NEXT PAGE FOR DETAIL TEMPERATURE CONTR0L SEE NEXT PAGE FOR DETAIL 19 34...

Page 39: ...e 37 16 14 7 6 8 5 2 4 15 17 32 26 74 85 43 42 69 41 38 39 68 65 67 66 78 81 76 94 79 33 24 25 37 64 75 3 11 18 12 40 36 35 72 77 80 13 1 58 86 84 85 63 60 63 62 83 57 60 61 62 59 61 56 27 28 22 21 23...

Page 40: ...se of non factory authorized parts or accessories in conjunction with the product s 8 Chemical contamination of combustion air or improper use of sanitizing chemicals such as introducing sanitizing ch...

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