ETi® 400 HIGH EFFICIENCY HEATER - INSTALLATION AND USER’S GUIDE

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Warning and Safety Information 5
Important Notices 5
Heater Application Information5
Code Requirements 6
Consumer Information and Safety Information 6-8
Heater Identification Information 9
Section 1. Operation Instructions 10
Operator Control Panel 10-11
Basic System Operation 11
Heater DSI Electronic Ignition Lighting/Operation 11
Start-Up Operation12
Putting the Heater Into Service 12
Heater Operating Instructions 13
To Turn Off Gas to the Appliance 13
Safety Controls (Air Flow Switches, Water Pressure Switches, High Limit Shut-Off Switches) 14-15
Ignition Module Operation15
Section 2. Installation16
Heater Description16
Putting the Heater into Service 16
Sequence Of Operation17
Specifications 17-18
Plumbing Connections19
Water Connections 19
Valves 20
Manual By-Pass 20
Below Pool Installation20
Gas Connections 21
Gas Pipe Sizing 21
Gas Pressure Testing22
Checking Gas Pressure Through Gas Control Valve 22
Sediment Traps 23
Outdoor Installation (US and Canada) 24-26
Outdoor Installation Venting Guidelines 27
Heater Clearances - Outdoor27
Indoor Venting — General Requirements (Category IV Vertical and Horizontal requirements)27
Heater Clearances — General Requirements (Indoor and Outdoor Installation for US and Canada) 27
Direct Air Intake Cover27
Combustion Air Supply 28
Air Supply Requirements Guide for the ETi 400 Heater 28
Direct Air Intake Exhaust Duct using 4-inch PVC Pipe (Indoor Installation)29-35
Direct Air Intake Kit Installation (Combustion Air Supply)30
Corrosive Vapors and Possible Causes31
Horizontal or Vertical Venting (Category IV) - Positive Pressure 32
Vent Installation (Indoor Installation for U.S. or Outdoor Shelter for Canada)33
Direct Vent Requirements 33-34
Direct Vent - Horizontal Through- the-Wall (Termination) 35
Vent Installation - Indoor Installation (US and Canada) 35
Garage or Utility Room Installation (Vent Installation - Indoor Installation US and Canada) 36
Final Installation Check 36
Condensate Management (Maintenance, Condensate Neutralizer Cartridge Drain/Tubing Installation) 37
Electrical Connections 38
Bonding 38
120 VAC/240 VAC Wiring39
Remote Control Connections40
Fireman's Switch Connection31
Heater Connection Wiring Diagram Causes41
Heater Ladder Wiring Diagram42
Section 3. Troubleshooting 43
Initial Troubleshooting and Error / Fault Codes 43
Initial Troubleshooting Chart5
Code Requirements 44
Heater Will Not Fire A 45
Heater Will Not Fire B 46
Diagnostics LEDs: PS, HLS, TF, IGN, AFS, AG1, AG2, FS 47-51
Burner Troubleshooting 52
Heat Exchanger Troubleshooting 52
Operator Control Panel Displays RNC Code 52
Section 4. Maintenance and Care Instruction 53
Care and Maintenance 53
TitanTough Heat Exchanger Assemblies Annual Inspection 53
Burner Spark Electrode and Flame Sensor Rod Annual Inspection 54
Pressure Relief Valve (50 psi) 54
After Start-Up 55
Spring and Autumn 55
Winter Operation and Winterization 55
Return the Heater to Service 56
Maintaining Pool Temperature 56
Energy Saving Tips 56
Chemical Balance 57-58
Section 5. Heater Replacement Parts 59-65
Heater Replacement Parts List 60
General Replacement Parts List 60
Heater Heat Exchanger and Blower Assemblies Replacement Parts 63
Heater Manifold Assembly - Inlet and Outlet Assembly Replacement Parts 63
Heater Condensate and Exhaust Assembly Replacement Parts 64
Heater Operator Control Panel Assembly Replacement Parts 65
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