Rev. K 10-9-13 MASTERTEMP
®
Pool and Spa Heater Installation and User’s Guide
3
Contents
Section 1. Heater Identification Information ....................................................................... 4
Section 2. Warning and Safety Information ......................................................................... 5
Important Notices ................................................................................................................................................................................. 5
Warranty Information ............................................................................................................................................................................ 5
Code Requirements .............................................................................................................................................................................. 6
Consumer Information and Safety Information ...................................................................................................................................... 6 - 9
General Specifications ......................................................................................................................................................................... 9
Section 3. Installation ............................................................................................................. 10
Heater Description................................................................................................................................................................................ 10
Putting the Heater into Service ............................................................................................................................................................ 10
Specifications ...................................................................................................................................................................................... 11
Plumbing Connections .......................................................................................................................................................................... 12
Valves .................................................................................................................................................................................................. 12
Manual By-Pass .................................................................................................................................................................................. 12
Water Connections ............................................................................................................................................................................... 13
Below Pool Level Installation ................................................................................................................................................................ 13
Gas Connections ................................................................................................................................................................................. 14
Sediment Traps .................................................................................................................................................................................... 14
Gas Pipe Sizing ................................................................................................................................................................................... 15
Testing Gas Pressure/Gas Pressure Requirements ............................................................................................................................. 15-16
Outdoor Installation (US and Canada) / Heater Clearances .................................................................................................................. 16
Outdoor Installation Venting Guidelines ................................................................................................................................................ 17
Indoor Venting — General Requirements (Category I and Category III requirements) ......................................................................... 18
Heater Clearances — General Requirements (Indoor Installation for US or Outdoor Shelter for Canada) ............................................. 18
Outside Vent Cover Removal ............................................................................................................................................................... 18
Combustion Air Supply /Direct Air Intake Duct with 3-inch PVC Pipe (Indoor Installation) ..................................................................... 19-20
Corrosive Vapors and Possible Causes ................................................................................................................................................ 20
Vent Installation (Indoor Installation for U.S. or Outdoor Shelter for Canada) ........................................................................................ 21
Vertical Venting - Negative Pressure ................................................................................................................................................... 21 - 23
Horizontal or Vertical Venting - Positive Pressure ................................................................................................................................ 24
Connecting Special Gas Venting .......................................................................................................................................................... 24 - 26
Outdoor Shelter Vent Installation .......................................................................................................................................................... 27
Garage or Utility Room Installation ....................................................................................................................................................... 27
Control Panel Indexing ......................................................................................................................................................................... 28
Final Installation Check ........................................................................................................................................................................ 28
Electrical Connections .......................................................................................................................................................................... 29
Fireman’s Switch Connection/Remote Control Connections
.................................................................................................................. 30
MasterT
emp Heater Wiring Diagram ..................................................................................................................................................... 31
Electrical Schematic Ladder Diagram ................................................................................................................................................... 32
Section 4. Operation............................................................................................................... 33
Basic System Operation ...................................................................................................................................................................... 33
HSI (Hot-Surface Ignition) Lighting/Operation ....................................................................................................................................... 33
Operating ............................................................................................................................................................................................. 34
To Turn Off Gas to Appliance ............................................................................................................................................................... 34
Safety Controls .................................................................................................................................................................................... 35 - 37
Section 5. Troubleshooting ................................................................................................... 38
Initial Troubleshooting and Troubleshooting Chart ................................................................................................................................. 38
Heater Will Not Fire Troubleshooting .................................................................................................................................................... 39 - 42
LED Diagnostics .................................................................................................................................................................................. 43 - 44
Burner / Heat Exchanger Troubleshooting ............................................................................................................................................ 45
Section 6. Maintenance..........................................................................................................46
Care and Maintenance .......................................................................................................................................................................... 46
Pressure Relief Valve ........................................................................................................................................................................... 46
After Start-Up ...................................................................................................................................................................................... 47
Spring, Fall and Winter Operation ......................................................................................................................................................... 47
Maintaining Pool Temperature ............................................................................................................................................................... 48
Energy Saving Tips .............................................................................................................................................................................. 49
Chemical Balance ................................................................................................................................................................................ 48 - 49
Replacement Parts .............................................................................................................................................................................. 50 - 54
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