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INSTALLATION AND
OPERATION MANUAL
Gas-Fired Pool
and Spa Heater
Bronze ASME and Polymer Low NOx
Heat Exchanger Models
207A, 266L, 267A, 337A, 399L, and 407A
WARNING: If the information is not followed exactly, a fire or explosion may result causing property
damage, personal injury or death.
— Do not store or use gasoline or other flammable vapors and liquids or other combustible materials
in the vicinity of this or any other appliance. To do so may result in an explosion or fire.
— 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.
— Installation and service must be performed by a qualified installer, service agency or the gas supplier.
This manual should be maintained in legible condition and kept adjacent to the heater or in a safe place for future
reference.
Effective: 10-24-20
Replaces: 08-21-20
P/N 241793 Rev 7
A
S
M
E
HLW
ASME units only
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Table of Contents
Related Manuals for Raypak 266L
Summary of Contents for Raypak 266L
- Page 1 Spa Heater Bronze ASME and Polymer Low NOx Heat Exchanger Models 207A, 266L, 267A, 337A, 399L, and 407A ASME units only WARNING: If the information is not followed exactly, a fire or explosion may result causing property damage, personal injury or death.
- Page 2 QUICK START GUIDE CLEARANCES WATER CHEMISTRY † Space required: See page 11. † Water chemistry requirements: See page 5. † Minimum and service clearances: See page 7 for clearances table. Note that local codes prevail. POWER † Supply voltage: See page 20 for acceptable input voltages.
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Page 3: Table Of Contents
CONTENTS 1. WARNINGS ............. 4 5. ELECTRICAL WIRING ......... 19 Pay Attention to These Terms ......... 4 Electrical Power Draw ........... 20 Transformer Wiring ..........20 2. WATER CHEMISTRY ..........5 Automatic Chlorinators and Chemical Feeders..5 6. WIRING DIAGRAM ..........21 3. -
Page 4: Warnings
1. WARNINGS Pay Attention to These Terms Indicates the presence of immediate hazards which will cause severe personal injury, death or DANGER substantial property damage if ignored. Indicates the presence of hazards or unsafe practices which could cause severe personal injury, WARNING death or substantial property damage if ignored. -
Page 5: Water Chemistry
forms inside the heat exchanger tubes, reducing heater CAUTION: Elevated water temperature can be efficiency and damaging the heater. If the pH drops below hazardous. The U.S. Consumer Product Safety 7.2, this will cause corrosion of the heat exchanger and Commission has these guidelines: severely damage the heater. -
Page 6: Before Installation
THE MODEL AND SERIAL NO. NOTE: High chemical concentrates from feeders and CAN ALSO BE FOUND INSIDE chlorinators that are out of adjustment will cause rapid THE BEZEL ABOVE THE DISPLAY corrosion to the heat exchanger. Such damage is not covered under the warranty. -
Page 7: Installation Codes
IMPORTANT NOTICE: These instructions are intended Location Indoor Installation only for the use by qualified personnel, specifically Top * 30" (762 mm) Drafthood trained and experienced in the installation of this type Front Alcove (Open) of heating equipment and related system components. Installation and service personnel may be required by Vent 6"... - Page 8 surface of the heater shall be at least 3' (0.9 m) above Distance Description Location any forced air inlet, or intake ducts located within 10' (3 m) in. (mm) horizontally. Back 9 (229) Right 9 (229) For Canadian installations, pool heaters shall not be a.
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Page 9: Combustion And Ventilation Air
Model Sq. in. (m the outside. Failure to follow this procedure can cause fire or fatal carbon monoxide poisoning. 207A 200 (0.13) 266L/267A 266 (0.17) Outdoor and Indoor Stacks 337A 333 (0.21) The outdoor and indoor stacks are optional equipment 399L/407A 399 (0.26) - Page 10 Florida and Texas Building Code: Wind Speed = 150 mph 3 sec gust Exposure = C 31-13/16" Model (792 mm) in. (mm) 207A 20 (508) 266L/267A 23 (584) 337A 26 (660) F10649 399L/407A 29 (737) 28" (709 mm) 2" x 6" x 1/8" Pallet Anchor Bracket (4 Total) (Kit# 011636) 3"...
- Page 11 (mm) (mm) Hood (mm) 199.5 55-5/8 10.0 11-3/4 207A (58.4) (508) (152) (1413) (254) (298) (19) (51) (79) (88) (6.4) 266L 266.0 11.5 (77.9) (584) (178) (1422) (292) (279) (19) (51) (89) (7.3) 267A (98) 332.5 13.0 10-5/8 337A (97.4)
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Page 12: Vent Piping
120 VAC P/N 240 VAC P/N Fuel Gas Code and local requirements. 207A 010744 009832 Vent piping the same size as the drafthood outlet is 266L/267A 010744 009832 recommended, however, when the total vent height is at 337A 010745 009833... -
Page 13: Gas Supply Connections
8' (2.4 m) CAUTION: The heater and its manual shutoff valve OR LESS VENT CAP must be disconnected from the gas supply during any 2' MIN pressure testing of that system at test pressures in (0.6 m) excess of 1/2 psi (3.45 kPa). Dissipate test pressure in the gas supply line before reconnecting the heater and 2' MIN its manual shutoff valve to gas supply line. -
Page 14: Flow Rates
0.60 Specific Gravity @ 0.5 in. WC Pressure Drop Model 3/4" 1" 1-1/4" 1-1/2" 207A 25 (7.6) 90 (27.4) 360 (109.7) 266L/267A 15 (4.6) 50 (15.2) 210 (64.0) 445 (135.6) F10637-1 Figure 16. Bronze Headers (ASME) Water Flow 337A 10 (3.0) 30 (9.1) 140 (42.7) 290 (88.4) -
Page 15: Protek Shield Assembly
Bronze Headers (ASME Models) Pressure Drop Flow GPM Ft. of Head (m of Head) Heater must be located so that any water leaks will not (lpm) damage the structure of adjacent area. Before attaching 207A 267A 337A 407A the ProTek Shield Adapter to the inlet connection and the 20 (75) 8.2 (2.5) 2-inch unions, make sure the O-rings are properly seated... -
Page 16: Unitherm Governor Operation
UG/BYPASS ASSY CAUTION: STOP the pool pump before attempting to remove ProTek Shield Assembly. Failure to do so may result in damage to ProTek Shield Assy, loss of pool water, or personal injury. CAUTION: Do not use tools to remove (twist) the ProTek Shield Assy or the wing nut on the stud of the ProTek Shield Assy. -
Page 17: External Auxiliary Bypass Valve
FROM HEATER FULL PORT BALL VALVE OR GLOBE VALVE FROM POOL/SPA TO POOL/SPA F10663 PRESSURE RELIEF VALVE BYPASS VALVE Figure 25. Pressure Relief Valve Bronze Header (ASME Models) Do not use gate valve. Figure 23. Auxiliary Bypass Valve NOTE: To avoid water damage or scalding due to valve operation, drain pipe must be connected to valve outlet and run to a safe place of discharge. -
Page 18: Plumbing Diagram
Plumbing Diagram Water Connection ISOLATION VALVE BALL VALVE THIS DIAGRAM IS A RECOMMENDATION AND IS NOT INTENDED TO REPACE AN ENGINEERED PIPING SYSTEM BY A PROFESSIONAL ENGINEER PRESSURE RELIEF VALVE Figure 29. Single Pool Heater Installation PUMP UNION CHECK VALVE THIS DIAGRAM IS A RECOMMENDATION AND IS NOT INTENDED TO REPACE AN ENGINEERED PIPING SYSTEM BY A PROFESSIONAL ENGINEER Figure 30. -
Page 19: Heat Exchanger Reversal
Re-attach the headers to the opposite sides, making Heat Exchanger Reversal sure they are installed in an upright position. Do not over-tighten. Torque should not exceed 7 ft/lb. See Procedure for Residential Models Figure 27. 1. Remove right and left side access panels. See 5. -
Page 20: Electrical Power Draw
Electrical Power Draw BLACK BLACK BLACK CAUTION: Heater must be electrically grounded and WHITE RETURN bonded. Bonding lug is provided loose with the heater. SUPPLY WHITE WHITE NEUTRAL Install bonding lug on lower right or left side of jacket HEATER SIDE 7 WIRES as necessary for bonding the heater. -
Page 21: Wiring Diagram
6. WIRING DIAGRAM... -
Page 22: Controls
7. CONTROLS NOTE: Caution must be used to not damage controls or wiring. PRESSURE SWITCH TEMP SENSOR HL1 - HIGH LIMIT CONTROL MANUAL HL2 - HIGH LIMIT BEZEL RESET ROLL-OUT KNURLED UNITHERM SWITCH SCREW GOVERNOR F10647-3 VALVE Figure 36. Knurled Screw Location PILOT PROTEK AIR PRESSURE... -
Page 23: Operation
Mode Button Service Menu and Fault History The Mode button is used to select POOL or SPA operation. To access the Service Menu and fault history, press the It allows the user to turn the heater off electronically. The MODE and UP buttons simultaneously for 3 to 5 seconds. LCD remains energized and displays OFF, while continues The heater will continue to operate while in the Service to show the actual water temperature. - Page 24 Program Button Fahrenheit or Celsius 1. Remove the four screws holding the control cover, and Refer to step one above to access the program screen. swing the panel down so the back side of the board Press the MODE button until FAHRENHEIT or CELSIUS is visible.
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Page 25: Status And Diagnostics
The following conditions are displayed only while there is a Status and Diagnostics demand for heat present. The digital models are programmed to display a variety Display Condition of status and diagnostic messages, depending on the Water Sw Open Water pressure switch open. operating conditions. -
Page 26: Remote Control Installation And Operation
Remote Control Installation Activating the Remote and Operation To activate or deactivate the remote function: 1. Press and hold the UP and DOWN arrow buttons for CAUTION: Before installing remote controls 3 to 5 seconds. to the heaters, read the following: The digital thermostat model is remote-ready in most cases. - Page 27 NOTE: The remote wires must be connected to the 7-pin connector before the connector is plugged into the board. 2-Wire Remote Control (On-Off) This application assumes that only one heating function (pool or spa) is required. 1. Turn on power to the heater. 2.
- Page 28 Time Clock/Fireman’s Switch To operate the heater with a time clock, connect the timer to the fireman’s switch connection in the heater’s wiring. The time clock should be of the dual-switch type and set to shut off the call for heat to the pool heater 15 to 20 minutes prior to shutting down the pool pump.
- Page 29 Flame Roll-Out Safety Switch Pilot Safety Heaters are equipped with a thermal cutoff device to The heater employs a pilot safety which closes the main prevent flame roll-out in the event the heat exchanger gas valve within 8/10ths of a second whenever the pilot becomes blocked.
- Page 30 Gas Valve Removal Combustion Blower Removal 1. Shut off gas supply to the heater. Remove gas piping 1. Remove the (2) screws that secure the blower box to to gas valve inlet. the burner tray. 2. Remove burner tray, following above procedure. 2.
- Page 31 Unitherm Governor (U.G.) Replacement 1. Shut water, gas and electricity off, close valves and Extension Auger Wire Brush relieve pressure. Pieces (2) with Carbide Tip 2. Drain heat exchanger. Figure 56. Tube Cleaning Kit 3. Remove retainer plug located next to the outlet pipe connection on polymer header models.
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Page 32: Operating Instructions
8. OPERATING Visual Inspection INSTRUCTIONS Flames can be observed through the opening below the plenum. Flame color is blue and evenly spread on the top surface of the burner. At least every three months a visual Before Start-Up inspection should be made of the burners. Burners Water Pressure Switch Keep heater area clear and free from combustibles,... - Page 33 OPERATING INSTRUCTIONS AND SHUT-OFF PROCEDURES ALL MODELS (AUTOMATICALLY–LIGHTED PILOT) FOR YOUR SAFETY READ BEFORE LIGHTING This appliance is equipped with an ignition de- *If you cannot reach your gas supplier, call the vice which automatically lights the pilot. Do not fire department.
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Page 34: Maintenance And Care
9. MAINTENANCE AND CARE Cold Weather Operation Important Freeze Information WARNING: Check the heater for possible rodent nests after long periods of non-use. MODERATE CLIMATE: Heater operation can continue during short-term cold spells. When temperatures are To be followed one month after start-up and then semi- between 0°F (-18°C) and 32°F (0°C), flow (continuous annually. -
Page 35: Troubleshooting
10. TROUBLESHOOTING IMPORTANT NOTICE: These instructions are intended for the use of qualified personnel who are specifically trained and experienced in the installation of this type of heating equipment and related system components. Installation and service personnel may be required by some states to be licensed. Persons not qualified shall not attempt to install this equipment nor attempt repairs according to these instructions. -
Page 36: Digital - Flow Chart
Digital - Flow Chart WARNING: HIGH VOLTAGE For qualified technicians ONLY NOTE: Some heaters may be equipped with an ignition module that shuts off pilot gas if pilot fails to light. To reset, interrupt power to heater. START TURN GAS SUPPLY OFF. NOTE: Before troubleshooting, familiarize yourself with the start-up and check-out TURN THERMOSTAT procedure. -
Page 37: Control Logic - Flow Chart
Control Logic - Flow Chart Power On • Check On/Off switch (under lid on control panel) Is the water • Check for 120/240 volts to the transformer temperature displayed? (time clock, circuit breaker, wire connections) • Check for 24 volts to Circuit Board (P6 connector) “Remote”... -
Page 38: Replacement Parts
11. REPLACEMENT PARTS NOTE: To supply you with the correct part, it is important that you supply the heater model number, serial number and type of gas when applicable. Any part returned for replacement under standard company warranties must be properly tagged with a return parts tag, completely filled in with the heater serial number, model number, etc., and shipped to the Company freight prepaid. -
Page 39: Illustrated Parts List
12. ILLUSTRATED PARTS LIST 3- V I- S 9 -M I 3- S 1- V 2- S 2- V 6- HP 5- HP 7- HP 8- C I 5-HP 3-HP 6- HP 4-HP 3- R I 2- S 9- M 6 -S 20- HP 17-H M... - Page 40 27-HM 26-HM 6-HM 8-HP 5-HM INLET 18-M 2-HM 18-HP 28-HM 7-HM OUTLET 17-HP 20-HP 4-HM 3-HM FOR UNITS WITH ASME BRONZE HEADERS FROM 12/2019 (PROTEK SHIELD NOT AVAILABLE ON ASME HEATERS UNTIL END Q3 2020) (OPTIONAL) 14-HM 16-HM 13-HM 15-HM 11-HM 19-HM 21-HM...
- Page 41 19-HP (OPTIONAL) 19-HP (OPTIONAL) 19-HP 11-HP 11-HP 8-HP 16-HP 12-HP 8-HP 10-HP 18-HP 18-HP 16-HP 2-HP 12-HP 13-HP 2-HP 15-HP INLET 14-HP 13-HP OUTLET 17-HP 14-HP INLET 17-HP 20-HP PROTEK ADPTER AND POLYMER UNITS PRIOR TO 10/2019 FO R UNI T S WIT H POLYMER HEADERS F R OM 10/ 2 0 19 19-M 20-M 27-HM...
- Page 42 CALL OUT DESCRIPTION 207A 266L/267A 337A 399L/407A BURNER TRAY*** Burner Tray w/Burners (0-5000) 010343F 010344F 010345F 010346F Burner Tray w/o Burner (0-5000) 010084F 010085F 010086F 010087F Burner Hold Down Kit 010254F 010255F 010256F 010257F Burner 017045F/3 017045F/4 017045F/5 017045F/6 Burner Orifice Nat. #26 (0-5000)*...
- Page 43 CALL OUT DESCRIPTION 207A 267A 337A 407A HEAT EXCHANGER - METAL 1-HM Heat Exchanger Assy Copper ASME Units manufactured from 12/2019 (Bronze) 017983F 017984F 017985F 017986F Units manufactured prior to 12/2019 (Cast Iron) 010051F 016193F 010053F 010054F Heat Exchanger Assy Cupronickel ASME Units manufactured from 12/2019 (Bronze) 017987F 017988F...
- Page 44 CALL OUT DESCRIPTION 207A 266L/267A 337A 399L/407A CONTROL BOX Transformer 120/240/24V 006736F 006736F 006736F 006736F Rocker Switch 009493F 009493F 009493F 009493F Relay Low Nox 008784F 008784F 008784F 008784F MISCELLANEOUS COMPONENTS Pressure Switch 1.75 PSI 006737F 006737F 006737F 006737F Pressure Switch 1.75 PSI Complete Kit...
- Page 45 CALL OUT DESCRIPTION 207A 266L/267A 337A 399L/407A REFRACTORY Refractory Common (Left & Right) 010079F 010079F 010079F 010079F Refractory Uncommon (Front and Rear) 010080F 010081F 010082F 010083F Refractory Retainer Kit 010262F 010263F 010264F 010265F SHEETMETAL Jacket Top (Louvered) 010047F 010048F 010049F...
- Page 46 NOTES...
- Page 47 NOTES...