Pentair ETi 400 Installation And User Manual
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Pentair ETi 400 Installation And User Manual

High efficiency heater
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ETi
400 HIGH EFFICIENCY HEATER
™
INSTALLATION AND USER'S GUIDE
FOR YOUR SAFETY - READ BEFORE OPERATING
If you do not follow these instructions exactly, a fire or explosion may result, causing property damage,
personal injury or loss of life. For additional free copies of this manual; call USA (800) 831-7133
FOR YOUR SAFETY - This product must be installed and serviced by authorized personnel, qualified
in pool/spa heater installation. Improper installation and/or operation can create carbon monoxide gas,
fire or explosion, and flue gases which can cause serious injury, property damage, or death. For indoor
installations, as an additional measure of safety, Pentair Water Pool and Spa, Inc. strongly recommends
installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent
occupied spaces. Improper installation and/or operation will void the warranty.
Improper installation, adjustment, alteration, service
or maintenance can cause property damage,
personal injury or death. Installation and service must
be performed by a qualified installer, service agency
or the gas supplier.
120 / 240 VAC NATURAL GAS / LP GAS
Model
ETi™ 400 NA - ASME
FOR
YOUR
SAFETY
10951 W. Los Angeles Ave., Moorpark, CA 93021
Natural
461113
WHAT TO DO IF YOU SMELL GAS
•
Do not try to light any appliance.
•
Do not touch any electrical switch; do not use any phone in your building.
•
Immediately call your gas supplier from a neighbor's phone.
Follow the gas supplier's instructions.
•
If you cannot reach your gas supplier, call the fire department.
DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity
of this or other appliances.
Pentair Water Pool and Spa, Inc.
1620 Hawkins Ave., Sanford, NC 27330
(800) 831-7133 or (919) 566-8000
•
(800) 831-7133 or (805) 553-5000
•
OWNER:
Retain For
Future
Reference

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Summary of Contents for Pentair ETi 400

  • Page 1 For indoor installations, as an additional measure of safety, Pentair Water Pool and Spa, Inc. strongly recommends installation of suitable Carbon Monoxide detectors in the vicinity of this appliance and in any adjacent occupied spaces.
  • Page 2 Customer Service and Technical Support Customer Service and Technical Support If you have questions about ordering Pentair Water Pool and Spa, Inc. replacement parts, and pool products, please call: Phone: (800) 831-7133 Fax: (800) 284-4151 (8 AM to 7:30 PM Eastern Time/Pacific Time) Web sites: www.pentairpool.com - www.staritepool.com...

  • Page 3: Table Of Contents

    Horizontal or Vertical Venting (Category IV) - Positive Pressure ..............Vent Installation (Indoor Installation for U.S. or Outdoor Shelter for Canada) ..........Direct Vent Requirements ..........................Direct Vent - Horizontal Through- the-Wall (Termination) ................Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 4 Heater Manifold Assembly - Inlet and Outlet Assembly Replacemant Parts ........Heater Condensate and Exhaust Assembly Replacement Parts ............Heater Operator Control Panel Assembly Replacement Parts ............ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 5: Warning And Safety Information

    The ETi 400 Heater is designed for the heating of chlorine, bromine or salt system swimming pools and spas. The heater should never be employed for use as space heating boilers or general purpose water heaters. The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and/or operated.

  • Page 6: Consumer Information And Safety Information

    7. Install battery-operated carbon monoxide alarms. The alarms should be certified to the requirements of the most recent UL, IAS, CSA and IAPMO standard for carbon monoxide alarms. Test carbon monoxide alarms regularly and replace dead batteries. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...
  • Page 7 • Pentair strongly recommends that all vents, pipes and exhaust systems be initially and periodically tested for proper operation. This testing can be accomplished by using a hand-held carbon monoxide meter and/or by consulting with a gas professional.
  • Page 8 Do not attempt to alter the rated input or type of gas by changing the orifice. If it is necessary to convert to a different type of gas, consult your Pentair dealer. Serious malfunction of the burner can occur which may result in loss of life.

  • Page 9: General Specifications

    ASME = COMMERCIAL MODEL CONSTRUCTION = FUEL TYPE = NA = NATURAL GAS MODEL SIZE = BTU INPUT in 1000 of BTU / HR ETi = High Efficiency Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 10: Section 1. Operation Instructions

    The SERVICE HEATER light indicates a fault in the heater or its controls. If this light comes on, shut down the heater (See TO TURN OFF GAS TO THE APPLIANCE on page 13), and have a qualified service technician check the system. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 11: Operator Control Panel

    Do not attempt to light the heater if you suspect a gas leak. Lighting the heater can result in a fire or explosion which can cause personal injury, death, and property damage. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 12: Start-Up Operation

    12. Check for proper operation of the heater by following the steps under OPERATING INSTRUCTIONS on page 13. Damage to equipment caused by improper installation or repair will void the warranty. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 13: Heater Operating Instructions

    3. Remove the access door panels. 4. Toggle-Style Valve: Pull toggle toward you to turn gas off, see Figure 1 on page 13. 5. Replace the Access Door Panels. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 14: Safety Controls (Air Flow Switches, Water Pressure Switches, Hight Limit Shut-Off Switches)

    1 ft (30 cm) above water level plumbing assembly, and the HLS switch is located on the main Inlet/Outlet Header (see page 16). Figure 4. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 15: Ignition Module Operation

    Heater left side panel removed 3 Flashes - Ignition Lockout START NC IN FAN1 FAN2 UNUSED R 24 VAC Ignition Control Module Figure 5. Fan Control Circuit Figure 6. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 16: Section 2. Installation

    THIS HEATER MUST BE INSTALLED AND SERVICED BY A PROFESSIONAL SERVICE TECHNICIAN, QUALIFIED IN POOL HEATER INSTALLATION. Pentair strongly recommends that all vents, pipes and exhaust systems be initially and periodically tested for proper operation. This testing can be accomplished by using a hand-held carbon monoxide meter and/or by consult- ing with a gas professional.

  • Page 17: Sequence Of Operation

    & 11 for Outdoor and Indoor installations, dimensions and orientation of the heater. Dimensions in Millimeters / Inches 30.0 548.1 21.6 863.6 34.0 664.9 26.2 1012.8 39.9 Heater Top View Figure 9. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 18: Specifications

    42.8 Ă 1.5 BONDING LUG 537.3 21.2 421.2 16.6 226.6 145.6 670.3 26.4 22.2 Ă .88 ELECTRICAL Figure 11. Heater Plumbing Side Heater Rear View ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 19: Plumbing Connections

    The heater has the unique capability of direct schedule 40 PVC plumbing connections. A set of bulkhead fittings is included with the heater to ensure conformity with Pentair’s recommended PVC plumbing procedure. Other plumbing connections can be used. See Figure 12 for plumbing connections.

  • Page 20: Valves

    Connect the flow switch wires in place of the water pressure switch wires. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 21: Gas Connections

    Propane Gas 2500 BTU/FT 1.50 Specific Gravity at 0.5 in. WC Pressure Drop Input 3/4” 1” 1-1/4” 1-1/2” Model (KBTU) N ™ 90 220 200 450 399.0 Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 22: Gas Pressure Testing

    Special safety and precautions for LP gas: If proper ventilation is not provided gas can collect or pool in enclosed areas, because LP gas is heavier than air. Pentair does not recommend installing the heater in an enclosed areas, such as a ground pit. If the heater is required to be installed in an enclosed area, be sure proper ventilation for LP gas are met and locate the heater a safe distance from LP gas cylinders and filling equipment.

  • Page 23: Outdoor Installation (Us And Canada)

    Roof overhang 6 in 2 ft (61 cm) Pipe From building wall 90° Elbow Vent Cap Exhaust Grill (Vent) 6 in Building Building Figure 16. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 24 1/4 in x 2-1/4 in 3-1/2 in thick (min) SS concrete screw concrete pad and SS fender washer Figure 17. Figure 18. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 25: Heater Clearances - Outdoor

    36 in. (91.4 cm) between the unit and the heater. Note: (*) See Table 4 (page 28) Category IV Requirements 3 ft (1 m) or more Figure 19. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 26: Indoor Venting - General Requirements (Category Iv Vertical And Horizontal Requirements)

    The heater is supplied from the factory with a cover on the top panel for outdoor installation (see Figure 20). Remove the outside air intake cover for outdoor shelter installation or Indoor Installation. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 27: Combustion Air Supply

    Note: For indoor installations where combustion air might be insufficient, see Direct Air Intake Duct with 4 in PVC Pipe (Indoor Installation) on page 28 and 29. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 28: Direct Air Intake Exhaust Duct Using 4-Inch Pvc Pipe (Indoor Installation)

    Flue Exhaust Vent Cap provided with heater provided with heater Direct Air Intake kit Flue Exhaust Side (P/N 475971) Wall Vent Cap provided with heater Figure 21. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...
  • Page 29 Street Wye air intake reducer Step 4 cover Side panel Step 1 & 2 latch lock Step 3 Street Elbow Figure 22. Air Orifices Figure 23. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 30: Direct Air Intake Kit Installation (Combustion Air Supply)

    Dry cleaning and Bleaches, detergents, or laundry soaps containing chlorine. Waxes and cleaners laundry areas containing chlorine, calcium or sodium chloride. Table 5. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 31: Horizontal Or Vertical Venting (Category Iv) - Positive Pressure

    The ETi™ 400 heater is a Category IV appliance The ETi 400 heater requires a 4 in special gas approved Category IV vent pipe and is a forced-draft pool and spa heater which uses positive pressure to push flue gases through the vent pipe to the outside. Flue gases under positive pressure may escape into the dwelling with any cracks or loose joints in the vent pipe, or improper vent installation.

  • Page 32: Direct Vent Requirements

    Forced Air walkways finished grade Inlet 3' Minimum clearance if (whichever is horizontal distance to higher) exhaust opening is less than 10 feet. Figure 24. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...
  • Page 33 1/4" per foot Condensate (2 cm per Meter) 3" (7.6 cm) Min., drain w/Trap down towards 12" (30.5 cm) Max. (Optional) condensate drain Clearance Figure 25. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 34: Direct Vent - Horizontal Through-The- Wall Termination

    Note: (*) See Table 4 (page 28) Category IV Requirements provided with heater Direct Air Intake kit Side (P/N 475971) Wall Vent (4-in PVC) Figure 26. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 35: Section 2. Installation (Continued)

    Installation of the anchor clamps are recommended in all installations and are required in Florida, (See Florida Building Code 301.13). For hurricane mounting bolts and clamps, purchase Bolt Down Kit P/N 476004. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 36: Condensate Management (Maintenance, Condensate Neutralizer Cartridger Drain/Tubing Installation)

    The ETi™ 400 Heater is a condensing appliance. The flue gases will produce condensate while in operation and must be drained correctly. Note: The condensate pH level is between 3.1 and 4.2, Pentair recommends to neutralize the condensate to avoid potential damage over time to the drainage system, and to comply with local water authorities where applicable.

  • Page 37: Electrical Connections

    (see page 18). The heater along with the pool system equipment must be bonded together. Using solid copper conductor not smaller then 8 AWG to reduce voltage gradients in the pool area. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 38: 120 Vac / 240 Vac Wiring

    CAUTION! The 120 VAC (Blue plug) voltage selector is NOT interchangable with the MasterTemp ® or StaRite ® Heater voltage selector (Black plug) 120 VAC 220 VAC (BLUE) (RED) ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 39: Remote Control Connections

    Yellow jumper wire below the fuse. The fireman’s switch connection must be a dry contact and must not supply power to the heater. Powering the fireman’s switch connection externally may damage the heater, and is not covered by warranty. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 40: Heater Connection Wiring Diagram

    Section 2: Installation Instructions HEATER CONNECTION WIRING DIAGRAM Figure 32. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 41: Heater Ladder Wiring Diagram

    Section 2: Installation Instructions HEATER LADDER WIRING DIAGRAM Figure 33. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 42: Section 3. Troubleshooting

    Fire and Explosion hazard. Hazardous voltage. Can shock, burn or kill. Do not jumper Disconnect power before servicing any components. switch terminals to remedy a failed safety switch. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 43: Heater Will Not Fire A

    Jumper pins 6 and 4 on J8 of Control Board. Does POOL LED come on? GO TO HEATER WILL NOT FIRE - B Page 44 Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 44: Heater Will Not Fire B

    Go to Diagnostic LED’s, Is there a three (3) alpha numeric (Page 45) numeric fault code displayed on the LCD? GO TO Dianostic LEDs page 45 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 45: Diagnostics Leds: Ps, Hls, Tf, Ign, Afs, Ag1, Ag2, Fs

    Replace gas valve Valve terminals during ignition with identical part. try. (Voltage appears about 24 seconds after call for heat). SEE NOTE 2. Continue on next page. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 46 7 seconds. CAUTION NOTE: ES1 is a spare and should be jumpered. Do not jumper a safety switch to remedy a failed switch. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...
  • Page 47 Fix wiring or replace Thermistor. CAUTION NOTE: ES1 is a spare and should be jumpered. Do not jumper a safety switch to remedy a failed switch. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 48 Replace Heater Control Panel. Clean/tighten pins as needed. DONE DONE Reset power to Heater and Reset power to Heater retry. Heater should fire. and retry. Heater should fire. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...
  • Page 49 187° F (86° C) over 172° F (78° C) Heat Exchange or call Customer Service. Service heat exchange or call Replace thermal fuse. customer support. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 50: Burner Troubleshooting

    LCD to remind you to do the maintenance on the neutralizer Contact a qualified technician or service cartridge. agency to service the condensate neutralizer cartridge. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 51: Section 4. Maintenance And Care Instruction

    Inside heat exchanger assembly must be cleaned every 12 months Heat Exchanger Assembly Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 52: Burner Spark Electrode And Flame Sensor Rod Annual Inspection

    Explosion hazard. Any heater installed with restrictive devices in the piping system downstream from the heater, (including check valves, isolation valves, flow nozzles, or therapeutic pool valving), must have a relief valve installed as described above. Pressure Relief Valve Figure 34. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 53: After Start-Up

    WINTER OPERATION AND WINTERIZATION Notice: Pentair recommends to use a blower to remove all of the water out of the heater in areas subject to freezing temperatures while the heater is not being used. WARNING Explosion hazard.

  • Page 54: Return The Heater To Service

    5. Turn the heater off when the pool will not be used for an extended period. 6. Follow a regular program of preventive maintenance for the heater each new swimming season. Check operation of the heater and its controls. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 55: Chemical Balance

    You must maintain a disinfectant residual level adequate enough to assure a continuous kill of bacteria or virus introduced into pool water by swimmers, through the air, from dust, rain or other sources. Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 56 NOTE (**): Failure to adhere to the listed water chemistry parameters may result in premature failure of the heat exchanger and will void the warranty. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 57: Section 5. Heater Replacement Parts

    3/4" Union 38404-4097S High Limit Switch 42001-0063S Drain plug U178-920P Manifold 476002 Manifold-Enlosure Fasteners 476003 Hold down bracket kit 476004 Propane gas orifice kit 476040 Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 58: General Replacement Parts

    Exhaust Assembly, Assembly, see page 61. Condensate Float Switch, see page 62. Fan control board, Terminal board, see page 63. Condensate Neutralizer Cartridge, see page 62. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 59: Heater Heat Exchanger And Blower Assemblies Replacement Parts

    Section 5: Replacement Parts ETI™ 400 HEATER HEAT EXCHANGER AND BLOWER ASSEMBLIES REPLACEMENT PARTS Note: Item 11, 12, 17, 37 not shown. Heat Exchanger and Blower Assemblies Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 60 Section 5: Replacement Parts ETI™ 400 HEATER HEAT EXCHANGER ASSEMBLY REPLACEMENT PARTS (CONTINUED) 11 11 Heat Exchanger Assembly Heat Exchanger Assembly ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 61: Heater Manifold Assembly - Inlet And Outlet Assembly Replacemant Parts

    Section 5: Replacement Parts ETI™ 400 HEATER MANIFOLD ASSEMBLY - INLET AND OUTLET PLUMBING ASSEMBLY REPLACEMENT PARTS Manifold Assembly - Inlet and Outlet Plumbing Assembly Manifold Assembly Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...

  • Page 62: Heater Condensate And Exhaust Assembly Replacement Parts

    Condensate Neutralizer Cartridge (Optional, P/N 475612 sold separately). The cartridge may be mounted external to the heater for an indoor installation. Condensate Neutralizer Cartridge Assembly and Exhaust Assembly. ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide Rev. A 9/2016...

  • Page 63: Heater Operator Control Panel Assembly Replacement Parts

    Section 5: Replacement Parts ETI™ 400 HEATER OPERATOR CONTROL PANEL ASSEMBLY REPLACEMENT PARTS Note: Items 5 and 9 not shown Fan Control Board and Terminal Board Rev. A 9/2016 ETi 400 High Efficiency Pool and Spa Heater Installation and User’s Guide...
  • Page 64 Unless expressly noted, names and brands of third parties that may be used in this document are not used to indicate an affiliation or endorsement between the owners of these names and brands and Pentair Water Pool and Spa, Inc. Those names and brands may be the trademarks or registered trademarks of those third parties.

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