Pentair ETi 250

To Next Page

To Previous Page

ETi 250 High Efﬁciency Pool and Spa Heater Installation and User’s Guide

P/N 476361 Revision A. 2/2022

Customer Service and Technical Support

Phone: (800) 831-7133

Fax: (800) 284-4151

(USA - 8 AM to 7:30 PM)

www.pentair.com

Customer Service and Technical Support

Main Page

Warning and Safety Information3
Important Notices3
Heater Application Information3
Code Requirements3
Consumer Information and Safety Information4
General Specifications7
Heater Identification Information (HIM)7
Table of Contents8
Contents8
Operation Instructions10
Operator Control Panel10
Menu Navigation10
Operating the Heater (Temperature Settings)10
Menu11
Basic Heater Operation11
Heater DSI Electronic Ignition Lighting/Operation12
Start-Up Operation / before You Start13
Putting the Heater into Service / High Altitude Requirement13
Heater Operating Instructions14
To Turn off Gas to the Appliance14
Safety Controls (Air Flow Switch, Water Pressure Switch, High Limit Shut-Off Switch)15
(Stack Flue Sensor (SFS), Thermal Fuse, Float Switch) Ignition Module Operation / Flame Current Check Point / Diagnostic Leds16
Installation17
Heater Description17
Putting the Heater into Service17
Sequence of Operation18
Specifications19
Plumbing Connections20
Water Connections20
Multiple Heater Connections21
Valves22
Manual By-Pass22
Automatic By-Pass22
Below Pool Installation23
Gas Connections23
Gas Pipe Sizing / Gas Pipe Escutcheon24
Gas Pressure Testing25
Checking Gas Pressure through Gas Control Valve25
Sediment Traps26
Outdoor Installation (US and Canada)27
Outdoor Installation Venting Guidelines29
Heater Clearances - Outdoor29
Indoor Venting - General Requirements (Category IV Vertical and Horizontal Requirements)30
Heater Clearances - General Requirements (Indoor and Outdoor Installation for US and Canada)30
Direct Air Intake Cover30
Combustion Air Supply31
Air Supply Requirements Guide for the Eti 250 Heater31
Direct Air Intake Exhaust Duct Using 4-Inch PVC Pipe (Indoor Installation)32
Direct Air Intake Kit Installation (Combustion Air Supply)33
Corrosive Vapors and Possible Causes34
Installation (Continued)35
Horizontal or Vertical Venting (Category IV) - Positive Pressure35
Direct Vent Requirements36
Direct Vent Indoor Installation (US and Canada) Horizontal Through-The-Wall (Termination)37
Garage or Utility Room Installation (Vent Installation - Indoor Installation US and Canada)39
Final Installation Check39
Condensate Management (Maintenance, Condensate Neutralizer Cartridge Drain/Tubing Installation)40
Electrical Connections42
Bonding42
120 VAC / 240 VAC Wiring42
Remote Control Connections44
Fireman's Switch Connection44
Connecting the Heater to the Intellicenter Control System Load Center Via RS-48545
Connecting the RS-485 Cable from the Heater to the Load Center46
Heater Connection Wiring Diagram48
Heater Ladder Wiring Diagram49
Troubleshooting50
Initial Troubleshooting and Error / Fault Codes50
Initial Troubleshooting Chart51
Heater will Not Fire a52
Heater will Not Fire B53
Diagnostics Leds: PS, HLS, TF, IGN, AFS, AG1, FS54
Diagnostics Alarms: PS, AFS, AGS, HLS56
Alarms: SFS57
Alarms: CFS, TF, E01 or 12658
Burner Troubleshooting59
Heat Exchanger Troubleshooting59
Operator Control Panel Displays RNC Code59
Maintenance and Care Instruction60
Care and Maintenance60
Titantough Heat Exchanger Assemblies Annual Inspection60
Burner Spark Electrode and Flame Sensor Rod Annual Inspection61
Pressure Relief Valve (50 Psi)61
After Start-Up62
Spring and Autumn62
Winter Operation and Winterization62
Removal of Condensate Cartridge in Freezing Temperatures63
Return the Heater to Service63
Maintaining Pool Temperature63
Energy Saving Tips63
Chemical Balance64
Heater Replacement Parts66
Heater Replacement Parts List66
General Replacement Parts67
Heater Blower Assembly Replacement Parts68
Heat Exchanger Assembly Replacement Parts70
Heater Manifold Assembly - Inlet and Outlet Assembly Replacement Parts72
Heater Condensate and Exhaust Assembly Replacement Parts73
Heater Operator Control Panel Assembly Replacement Parts74

Pentair ETi 250 - Page 2

Table of Contents

Related product manuals