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P/N 474131  Rev. M  8/2020                                                                                                          MasterTemp Pool and Spa Heater              

63

MASTERTEMP REPLACEMENT PARTS

Section 5.    Replacement Parts

REPAIR PARTS – BURNER SYSTEM

Model

Key 

Part

200NA

300NA

400NA

No. 

Description 

Qty.

200LP

300LP

400LP

1

Combination Gas Control Valve Kit

42001-0051S

42001-0051S

42001-0051S

2

3/4" Union

1
2
1
1

1
1
1
1
1

1

1
1
1
1
1
1
1
1
1

1

1
1
1
1
1

1

38404-4097S

38404-4097S

38404-4097S

3

Gas Orifice

4

Gas Orifice O-Ring

Gas Orifice Kit – NG (Incl. Key Nos. 3 and 4)†

77707-0431

460753

77707-0411

Gas Orifice Kit – Propane (Incl. Key Nos. 3 and 4)†

77707-0461

460754

77707-0441  

NG to Propane Conversion Kit 
(Incl. Key Nos. 3 and 4)†

77707-1461

460755

77707-1441

Propane to NG Conversion Kit 
(Incl. Key Nos. 3 and 4)†

77707-1431

460756

77707-1411

5

Air Blower Kit

Natural Gas Units

77707-0251

460757

77707-0253

Propane Units

77707-0254

460758

77707-0256

Air Orifice Kit (Includes Key Nos. 6 and 7)

77707-0111

460759

77707-0113

6

Air Orifice

7

Air Orifice Grill

42001-0114S

42001-0114S

42001-0114S

Blower/Adapter Plate Gasket Kit 
(Includes Key Nos. 8, 9, 10, 12)

77707-0011

77707-0011

77707-0011

Flameholder Kit (Includes 
Key Nos. 10, 11, 12, 13 and on 300 & 400
models only - Flameholder Insert)

77707-0202

77707-0203

77707-0204

8

Blower/Adapter Plate Gasket

9

Blower Adapter Plate

10

Flameholder/Adapter Plate Gasket

11

Flameholder Assembly

12

Flameholder/Combustion Chamber Gasket*

13

Flameholder Insulation Cap

Flameholder Insert

14

Condensate Evaporator Plate

15

One Piece Metal Chamber/Combustion Chamber

Assembly

474095

474095

474095

Insulation Kit (Includes Key No. 13, 14, 16, 17,18,19)

  

               77707-0008

77707-0008

77707-0008

16

Bottom Outer Insulation Blanket*

17

1" Bottom Inner Insulation

18

1" Top Insulation

19

Top Outer Insulation Blanket*

Lower Enclosure Insulation

42001-0074S

42001-0074S

42001-0074S

20

One Piece Metal Elbow/Combustion Chamber
Cover Assembly

     474094

    474094

   474094

21

Metal Vent Cover 

42002-0005S

42002-0005S

42002-0005S

Cover Assembly

42001-0214S

42001-0214S

42001-0214S

22

Heater Top 

42002-0034Z

42002-0034Z

42002-0034Z

Side Panel {Service Panel}

42002-0039

42002-0039

42002-0039

24

Side Panel {Manifold}

42002-0033

42002-0033

42002-0033

Heater Bottom

42002-0031

42002-0031

42002-0031

26

25

23

Side Panel {Flue Stack}

42002-0032

42002-0032

42002-0032

27

J-Box Cover

42002-0041

42002-0041

42002-0041

28

Screw Kit, Panel

*

Not available separately. 

Not included with heater. Order separately .

      For heaters manufactured between 1/12/2009 and 10/31/2013 (clamp lid tub design)
        Note: Kits also include Clamp Assembly, O-Ring and Silicon Tube. 

       

Combustion Chamber O-Ring Kit     

        

           474958   

    474958               474958   

        

1

1

1

1
1
1

1

1
1

1

1

  

            474957   

      

  

           

Combustion Air Intake Duct Connection Kit 

 

1

461031

461031

461031

474292

474292

474292

For heater manufactured AFTER 10/31/2013 (New 9-bolt lid tub design)

        

           474952   

    474952               474952   

        

For heater manufactured BEFORE 1/12/2009

  

           42001-0200S

  

               42001-0200S

474957

  

           42001-0214S

42001-0214S

                           

  

           474201   

    474201

           

         

474201

 

42001-0214S

474957

Summary of Contents for MasterTemp 200

Page 1: ...USA 919 566 8000 800 831 7133 10951 W Los Angeles Ave Moorpark CA 93021 USA 805 553 5000 800 831 7133 For additional free copies of this manual call AUS 1300 137 344 NZ 0800 654 112 240 VAC NATURAL GA...

Page 2: ...Heater Identification Information MT 300 HD MT MASTERTEMP MODEL SIZE BTU hr GROSS INPUT H I N HEATER IDENTIFICATION NUMBER ID DESIGNATOR FOR PENTAIR POOL AND SPA MASTERTEMP HEATERS Example 1 2 3 4 FUE...

Page 3: ...if for any reason the heater is improperly installed and or operated Be sure to follow the instructions set forth in this manual If you need more information or if you have any questions regarding to...

Page 4: ...or during spa or hot tub use can cause drowsiness which could lead to unconsciousness and subsequently result in drowning 3 Pregnant women beware Soaking in water above 37 C can cause fetal damage dur...

Page 5: ...oxide meter and or by consulting with a gas professional Poolheatersmustbeusedinconjunctionwithcarbonmonoxidedetectorsinstallednearthepoolheater The carbon monoxide detectors must be periodically insp...

Page 6: ...Connect heater to 230 240 Volt 50 Hz Single Phase power only Verify proper operation after servicing Do not allow children to play on or around heater or associated equipment Never allow children to...

Page 7: ...800 006 668 New Zealand 9 AM 5PM Mon Fri NZST Phone 0800 654 112 Fax 0800 806 642 National Dealer Locator Phone 1 800 664 266 au sales pentair com Web sites visit www pentair com au Pentair Water Pool...

Page 8: ...ssure Requirements 19 Outdoor Installation Heater Clearances 19 20 Indoor Venting General Requirements Heater Clearances Indoor Installation Outdoor Shelder 22 Vent Installation Indoor Installation or...

Page 9: ...Menu 45 Section 3 Troubleshooting 46 Initial Troubleshooting Error and Fault Codes 47 Troubleshooting Flow Charts 48 Heater Will Not Fire Troubleshooting A B 49 50 IGN is ON ALARMS AGS AFS HLS PS E01...

Page 10: ...e operating control the burner controller supplies power to the combustion air blower through a series of safety interlocks The interlocks consist of the pressure switch PS which senses that the pump...

Page 11: ...ponents Some states require installation and repair by licensed personnel If this applies in your state be sure your contractor bears the appropriate license See Figure 2 for Outdoor Installations SPE...

Page 12: ...en the pump stops creating a pressure suction differential Do NOT sanitize the pool by putting chlorine tablets or sticks into the skimmer s When the pump is off this will cause a high concentration o...

Page 13: ...stment must be done by a qualified service technician See following CAUTION before installation CAUTION BELOW OR ABOVE POOL INSTALLATION The water pressure switch is set in the factory at 20 6 kPa 5 k...

Page 14: ...the chemical feeder downstream of the heater Install a chemical resistant one way check valve between the heater and the chemical feeder to prevent back siphoning through the heater when the pump is...

Page 15: ...counter operational issues associated with exhaust fumes MULTIPLE HEATER INSTALLATION OPTIONAL 2 Ball Valve Bypass Extend 12 305 mm past end heater inlet for hydraulic balancing Extend 12 305 mm past...

Page 16: ...assed and cause serious damage within minutes This damage is not covered under the heater warranty Install a manual shut off valve that conforms with Type 1 or Type 2 as per AG201 and or AS4617 standa...

Page 17: ...See page 61 for parts list To install the gas pipe escutcheon 1 Place the gas pipe escutcheon over the gas pipe see Figure 10 2 Install the gas pipe as described in the heater manual 3 Slide the escut...

Page 18: ...ation Gas Control Valve can lead to fire or explosion causing loss of life personal injury and or property damage If it is necessary to adjust the gas valve this must be done by only by a qualified se...

Page 19: ...eater using propane in pits or other locations where gas might collect Consult your local building code officials to determine installation requirements and specific installation restrictions of the h...

Page 20: ...air intake i At least 1500 mm from an openable window door non mechanical air inlet or any other opening into a building with the exception of sub floor ventilation j At least 1000 mm from a mechanica...

Page 21: ...et Property Line 1500 mm 1500 mm 1500 mm 1500 mm SIDE VIEW Building Window Exhaust Grill Vent 1500 mm 1500 mm Figure 15 WARNING Risk of fire and explosion Do not spray aerosols in the vicinity of the...

Page 22: ...eting the heater must be mounted on a metal or wood panel that extends at least three inches 10 cm beyond the base of the heater If the heater is installed in a closet or alcove the entire floor shall...

Page 23: ...ipe is allowed in some circumstances Consult your localcodeofficialfordetailed information Do not use a draft hood with this heater To connect a double wall metal gas vent to the heater order the appr...

Page 24: ...3 2 1 Maximum Number of Elbows per Vent Lengths Table 5 Maximum Number of Elbows per Vent Lengths The maximum horizontal component of the flue length is 1 3 of the total length Section 1 Installation...

Page 25: ...approved thimble for wall penetrations Use a approved roof flashing roof jack or roof thimble for all roof penetrations Do not fill the space around the vent that is the clear air space in the thimbl...

Page 26: ...a drain pipe or soil pipe g At least 500mm horizontally from any building structure or obstruction facing a terminal h At least 300mm from any other flue terminal or combustion air intake i At least 1...

Page 27: ...zontal vents 1 m 3 ft or less in length do not require a condensate tee but must slope down toward the outlet at 2 cm to the meter 1 4 in ft to allow condensate to drain NOTE It is recommended that ve...

Page 28: ...different manufacturers ARE NOT interchangeable Mixing parts from more than one manufacturer may cause leaks or damage to vent When installing a vent pick one manufacturer and be sure that all vent pa...

Page 29: ...the heater may be necessary in certain installations such as cold climates Horizontal vents 1 m 3 feet or less in length do not require a condensate tee The MasterTemp heater is suitable for through...

Page 30: ...ld not be stored near the heater installation Combustion air can be contaminated by corrosive chemical fumes which can void the warranty Corrosive Vapors and Possible Causes COMBUSTION AIR SUPPLY For...

Page 31: ...r Access Panel Top Panel Door Access Panel Figure 27 Lead Anchor For Heater mounting bolts and clamps purchase separately Bolt Down Bracket Kit Part No 460738 Figure 28 CONTROL PANEL INDEXING FINAL IN...

Page 32: ...absence of local codes with the National Electrical Standards A bonding lug is provided on the outside of the panel under the vent for this purpose IMPORTANT NOTICE FOR HEATER BONDING see page 33 3 El...

Page 33: ...r conductor 8 AWG or larger to the heater bonding terminal lug provided on the exhaust side of the heater See Figure 30 Not properly bonding and grounding the heater increases the risk of electrical s...

Page 34: ...r mode Select relays that can handle logic level switching DO NOT apply line voltage to control board terminals Movejumper asshownon page 38 to enable external control and to disable the heater membra...

Page 35: ...the wires contact the exhaust 7 Using cable ties secure to the RS 485 cable to the main wire harness that connects to heater s control panel circuit board 8 Insert the three RS 485 wires Pin 1 BLK 2 G...

Page 36: ...ockets connectors for the electrical connections Connecting the RS 485 Cable from the Heater to the Load Center Note Use a 22 AWG four conductor low voltage RS 485 cable to connect to the MasterTemp h...

Page 37: ...D TO HEATER CONTROL PANEL RS 485 COM PORT To heater Control Panel RS 485 COM port screw terminal Connecting the RS 485 Cable from the Heater to the Load Center Continued 8 Reinstall the High Voltage P...

Page 38: ...MasterTemp Pool and Spa Heater P N 474131 Rev M 8 2020 38 MASTERTEMP WIRING DIAGRAM 3 WIRE SYSTEM Figure 37 Section 1 Installation...

Page 39: ...P N 474131 Rev M 8 2020 MasterTemp Pool and Spa Heater 39 Section 1 Installation MASTERTEMP ELECTRICAL SCHEMATIC LADDER DIAGRAM Figure 38 BYPASS VALVE 4 EXTERNAL VALVE THAT NEEDS TO BE INSTALLED...

Page 40: ...om a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the Fire Department C Use only your hand to turn the gas control on or off Never use tools If yo...

Page 41: ...ing for the first time the burner may not fire on the first try because of air in the gas line If it does not fire at first push the OFF switch wait five minutes and again push the POOL or SPA ON swit...

Page 42: ...open when the pump is off and closed when the pump is running Turn the star wheel on the switch clockwise to raise setting heater below the pool and counterclockwise to lower the setting heater above...

Page 43: ...stem IGNITION LOCKOUT Displays Message on Automation System WEAK FLAME Displays Message on Automation System and viewed on Heater menu GOOD FLAME Displays Message on Automation System and viewed on He...

Page 44: ...menu item or save menu item settings MENU BACK Enter menu items Press Down to scroll through menu item Press Menu Back to return to main screen HEATING LED Solid Red LED on indicates the heater curren...

Page 45: ...y pass Valve Enabled Disabled By pass Valve Description The purpose of the automatic BPVALVE bypass valve feature is to by pass the flow of water from the heater inlet to the heater outlet when the he...

Page 46: ...cting the heater to a 240 VACt line will destroy the transformer control broad and ignition control module and will void the warranty If you install the RED 240 VAC plug and then connect the heater to...

Page 47: ...essing the HEATER OFF bu on The blower is not on or air thru it is being restricted Igni on Control Module ERR IGN To clear the error the HEATER OFF bu on must be pressed The Igni on Control Module wa...

Page 48: ...ERRORS are displayed Replace Controll Baord YES Is POOL OR SPA displayed on the LCD See page 49 See ALARMS Heater Error and Fault Codes page 51 Go to ALARMS in the menu tree of the control board See p...

Page 49: ...or SPA ON button on Membrane Pad Does POOL or SPA LED come on Check for line voltage to heater Check for 24 VAC at sec ondary of Transformer Check for Line Voltage at Transformer primary pins White co...

Page 50: ...uirement Model Flow 200 20 gal min 76 LPM 175 20 gal min 76 LPM 250 25 gal min 95 LPM 300 30 gal min 114 LPM 400 40 gal min 151 LPM Is ERR PS displayed on LCD NO YES YES YES NO Verify that pump is on...

Page 51: ...for movement during ignition try wait for about 30 seconds after calling for heat Replace Gas Valve with identical part NO NO Check for 24 VAC between TH and GND terminals on Ignition Control Module S...

Page 52: ...w Switch AFS If problem persists replace Blower Replace Blower Verify correct connection of wiring between 24 VAC and IND terminals on Ignition Control Module and Control Board and replace Control Boa...

Page 53: ...d Does sensor check OK Clean tighten pins as needed Reset power to Heater and retry Heater should fire NOT OK NO NO NO NO NO ERR SFS Replace Stack Flue Sensor Correct Fuel Supply reset Heater and retr...

Page 54: ...stion appears Flame current is not Check for wet or damaged igniter with normal but flame does being sensed low resistance to ground Replacewith not stay lit new igniter Verify burner flameholder is p...

Page 55: ...nd does not require periodic lubrication The burner does not require maintenance or adjustment by the user Call a qualified service technician if you suspect that the burner may require maintenance To...

Page 56: ...e heater The relief pressure of the valve MUST NOT EXCEED 344 kPa The relief valve must be installed vertically To install the valve use a 19 mm x 5 mm brass nipple at the manifold the two brass elbow...

Page 57: ...ll the water pipe escutcheon for a new heater installation The water pipe escutcheon should be installed when the water pipe is being installed to the heater See page 61 for parts list To install the...

Page 58: ...until the water temperature reaches the heater s minimum setting of 20 C 68 F During cold weather if there is no danger of freezing operate the filter pump continuously even if the heater is not opera...

Page 59: ...e within one day 5 Turn the heater off when the pool will not be used for an extended period 6 Follow a regular program of preventive maintenance for the heater each new swimming season Check operatio...

Page 60: ...or higher See your local pool supply store for help in properly balancing your water chemistry RULE Chemicals that are acid lower pH Chemicals that are alkaline raise pH ALKALINITY High or Low Total...

Page 61: ...ts breakdown Key Nos 8 through 9 see Page 64 1 2 3 5 6 4 8 9 7 29 30 31 32 Rodent Resistant Parts List also see page 62 29 P N 476155Z Screw Self Drill Hex head use with P N 467150Z 30 P N 476150Z Esc...

Page 62: ...also include Clamp Assembly O Ring and Silicon Tube see page 63 Combustion Chamber Gasket Lid Nut Washer 9x CLAMP LID TUB DESIGN 29 31 32 30 Escutcheon 34 33 29 P N 476155Z 30 P N 476150Z 31 P N 4620...

Page 63: ...Flameholder Insulation Cap Flameholder Insert 14 Condensate Evaporator Plate 15 One Piece Metal Chamber Combustion Chamber Assembly 474095 474095 474095 Insulation Kit Includes Key No 13 14 16 17 18 1...

Page 64: ...ld Bypass Valve 1 1 9 Water Pressure Switch 42001 0060S 42001 0060S 42001 0060S 10 Manifold 1 11 5 16 Washer S S 10 12 5 16x18x2 3 4 Hex Cap screw 10 13 Connector Tube O Ring 2 14 Connector Tube Kit I...

Page 65: ...6 35 mm 32850 0099 32850 0099 32850 0099 10 Ignition Control Module 1 476224 476224 476224 11 Transformer 120 240V 1 42001 0107S 42001 0107S 42001 0107S 12 Air Flow Switch 42001 0061S 42001 0061S 420...

Page 66: ...MasterTemp Pool and Spa Heater P N 474131 Rev M 8 2020 66 NOTES...

Page 67: ...P N 474131 Rev M 8 2020 MasterTemp Pool and Spa Heater 67 NOTES...

Page 68: ...other countries Third party registered and unregistered trademarks and logos are the property of their respective owners 2020 Pentair All rights reserved This document is subject to change without no...

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