Table of Contents
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Section 1. Heater Identification Information .......................................................................
Section 2. Warning and Safety Information .........................................................................
Important Notices .................................................................................................................................................................................
Warranty Information ............................................................................................................................................................................
Code Requirements ..............................................................................................................................................................................
Consumer Information and Safety Information ......................................................................................................................................
General Specifications .........................................................................................................................................................................
Section 3. Installation .............................................................................................................
Heater Description ................................................................................................................................................................................
Putting the Heater into Service ............................................................................................................................................................
Specifications ......................................................................................................................................................................................
Plumbing Connections ..........................................................................................................................................................................
Valves ..................................................................................................................................................................................................
Manual By-Pass ..................................................................................................................................................................................
Water Connections ...............................................................................................................................................................................
Below Pool Level Installation ................................................................................................................................................................
Gas Connections .................................................................................................................................................................................
Sediment Traps ....................................................................................................................................................................................
Gas Pipe Sizing ...................................................................................................................................................................................
Testing Gas Pressure/Gas Pressure Requirements .............................................................................................................................
Outdoor Installation (US and Canada) / Heater Clearances ..................................................................................................................
Outdoor Installation Venting Guidelines ................................................................................................................................................
Indoor Venting - General Requirements (Category I and Category III requirements) .........................................................................
Heater Clearances - General Requirements (Indoor Installation for US or Outdoor Shelter for Canada) .............................................
Outside Vent Cover Removal ...............................................................................................................................................................
Combustion Air Supply /Direct Air Intake Duct with 3-inch PVC Pipe (Indoor Installation) .....................................................................
Corrosive Vapors and Possible Causes ................................................................................................................................................
Vent Installation (Indoor Installation for U.S. or Outdoor Shelter for Canada) ........................................................................................
Vertical Venting - Negative Pressure ...................................................................................................................................................
Horizontal or Vertical Venting - Positive Pressure ................................................................................................................................
Connecting Special Gas Venting ..........................................................................................................................................................
Outdoor Shelter Vent Installation ..........................................................................................................................................................
Garage or Utility Room Installation .......................................................................................................................................................
Control Panel Indexing .........................................................................................................................................................................
Final Installation Check ........................................................................................................................................................................
Electrical Connections ..........................................................................................................................................................................
Fireman's Switch Connection/Remote Control Connections ..................................................................................................................
MasterTemp Heater Wiring Diagram .....................................................................................................................................................
Electrical Schematic Ladder Diagram ...................................................................................................................................................
Section 4. Operation ...............................................................................................................
Basic System Operation ......................................................................................................................................................................
HSI (Hot-Surface Ignition) Lighting/Operation .......................................................................................................................................
Operating .............................................................................................................................................................................................
To Turn Off Gas to Appliance ...............................................................................................................................................................
Safety Controls ....................................................................................................................................................................................
Section 5. Troubleshooting ...................................................................................................
Initial Troubleshooting and Troubleshooting Chart .................................................................................................................................
Heater Will Not Fire Troubleshooting ....................................................................................................................................................
LED Diagnostics ..................................................................................................................................................................................
Burner / Heat Exchanger Troubleshooting ............................................................................................................................................
Section 6. Maintenance ..........................................................................................................
Care and Maintenance ..........................................................................................................................................................................
Pressure Relief Valve ...........................................................................................................................................................................
After Start-Up ......................................................................................................................................................................................
Spring, Fall and Winter Operation .........................................................................................................................................................
Maintaining Pool Temperature ...............................................................................................................................................................
Energy Saving Tips ..............................................................................................................................................................................
Chemical Balance ................................................................................................................................................................................
Replacement Parts ..............................................................................................................................................................................
Rev. M 1-8-15
®
MASTERTEMP
Pool and Spa Heater Installation and User's Guide
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Table of Contents
Troubleshooting
