Pentair ETi 400 ASME Commercial Heater Manual
ETi® 400 HIGH EFFICIENCY HEATER - INSTALLATION AND USER’S GUIDE
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| Warning and Safety Information |
5 |
| Important Notices |
5 |
| Heater Application Information | 5 |
| 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 Operation | 12 |
| 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 Operation | 15 |
| Section 2. Installation | 16 |
| Heater Description | 16 |
| Putting the Heater into Service |
16 |
| Sequence Of Operation | 17 |
| Specifications |
17-18 |
| Plumbing Connections | 19 |
| Water Connections |
19 |
| Valves |
20 |
| Manual By-Pass |
20 |
| Below Pool Installation | 20 |
| Gas Connections |
21 |
| Gas Pipe Sizing |
21 |
| Gas Pressure Testing | 22 |
| 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 - Outdoor | 27 |
| 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 Cover | 27 |
| 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 Causes | 31 |
| 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 Wiring | 39 |
| Remote Control Connections | 40 |
| Fireman's Switch Connection | 31 |
| Heater Connection Wiring Diagram Causes | 41 |
| Heater Ladder Wiring Diagram | 42 |
| Section 3. Troubleshooting |
43 |
| Initial Troubleshooting and Error / Fault Codes |
43 |
| Initial Troubleshooting Chart | 5 |
| 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 |
| 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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