Pentair ETi 400 - English; Default Chapter; Table of Contents

Rev. C 4/2017 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide
3
Contents
Warning and Safety Information ............................................................................... 5
Important Notices ........................................................................................................................................... 5
Heater Application Information ....................................................................................................................... 5
Code Requirements ........................................................................................................................................ 6
Consumer Information and Safety Information ............................................................................................... 6-8
General Specifications .................................................................................................................................... 9
Heater Identication 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, Hight Limit Shut-Off Switches) .................... 14-15
(Stack Flue Sensor, Thermal Fuse, Float Switch)
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 .................................................................................................... 25
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
Contents