Rev. H 9-5-12 MASTERTEMP®Pool and Spa Heater Installation and User’s Guide
Contents
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Important Notices................................................................................................................................................................................. 5
Warranty Information ............................................................................................................................................................................ 5
Code Requirements.............................................................................................................................................................................. 6
ConsumerInformation andSafety Information ...................................................................................................................................... 6 - 9
GeneralSpecifications ......................................................................................................................................................................... 9
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Heater Description................................................................................................................................................................................ 10
Puttingthe Heaterinto Service ............................................................................................................................................................ 10
Specifications ...................................................................................................................................................................................... 11
Plumbing Connections .......................................................................................................................................................................... 12
Valves .................................................................................................................................................................................................. 12
Manual By-Pass .................................................................................................................................................................................. 12
WaterConnections ............................................................................................................................................................................... 13
BelowPool Installation ......................................................................................................................................................................... 13
Gas Connections ................................................................................................................................................................................. 14
Sediment Traps.................................................................................................................................................................................... 14
Gas PipeSizing ................................................................................................................................................................................... 15
Testing GasPressure/GasPressureRequirements ............................................................................................................................. 16
Outdoor Installation .............................................................................................................................................................................. 17
Outdoor Installation VentingGuidelines ................................................................................................................................................ 18
Indoor Venting—GeneralRequirements (Category I& Category III–clarification) ............................................................................... 19
HeaterClearances................................................................................................................................................................................ 19
OutsideVent Removal ......................................................................................................................................................................... 19
CombustionAirSupply......................................................................................................................................................................... 20
CorrosiveVaporsand PossibleCauses ................................................................................................................................................ 20
VentInstallation(Indoor Installationfor U.S.or OutdoorShelterfor Canada) ........................................................................................ 21
Vertical Venting- Negative Pressure ................................................................................................................................................... 21 -23
Horizontal or Vertical Venting - PositivePressure ................................................................................................................................ 24
ConnectingSpecialGas Venting .......................................................................................................................................................... 24 -26
OutdoorShelter Vent Installation .......................................................................................................................................................... 27
Garage or Utility Room Installation ....................................................................................................................................................... 27
ControlPanelIndexing ......................................................................................................................................................................... 28
Final Installation Check ........................................................................................................................................................................ 28
Electrical Connections .......................................................................................................................................................................... 29
Fireman’sSwitchConnection/Remote ControlConnections .................................................................................................................. 30
MasterTempHeaterWiringDiagram ..................................................................................................................................................... 31
Electrical Schematic LadderDiagram ................................................................................................................................................... 32
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Basic System Operation ...................................................................................................................................................................... 33
HSI (Hot-Surface Ignition) Lighting/Operation ....................................................................................................................................... 33
Operating ............................................................................................................................................................................................. 34
To Turn Off Gas to Appliance ............................................................................................................................................................... 34
Safety Controls .................................................................................................................................................................................... 35 - 37
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InitialTroubleshootingandTroubleshootingChart ................................................................................................................................. 38
Heater Will Not FireTroubleshooting .................................................................................................................................................... 39 -42
LED Diagnostics.................................................................................................................................................................................. 43 -44
Burner / HeatExchanger Troubleshooting ............................................................................................................................................ 45
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Care andMaintenance .......................................................................................................................................................................... 46
PressureRelief Valve........................................................................................................................................................................... 46
After Start-Up ...................................................................................................................................................................................... 47
Spring,Falland Winter Operation ......................................................................................................................................................... 47
MaintainingPoolTemperature............................................................................................................................................................... 48
Energy SavingTips .............................................................................................................................................................................. 49
Chemical Balance ................................................................................................................................................................................ 48- 49
ReplacementParts .............................................................................................................................................................................. 50- 54