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INSTALLATION AND
OPERATION MANUAL
Gas-Fired Pool
and Spa Heater
Low NOx Models 207A, 267A,
337A 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.
Catalog No. 6000.592
Effective: 10-01-19
Replaces: New
P/N 241793 Rev 0
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Related Manuals for Rheem Raypak R207A
Summary of Contents for Rheem Raypak R207A
- Page 1 INSTALLATION AND OPERATION MANUAL Gas-Fired Pool and Spa Heater Low NOx Models 207A, 267A, 337A 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.
- Page 2 QUICK START GUIDE CLEARANCES WATER CHEMISTRY † Space required: See page 12. † 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 21 for acceptable input voltages.
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Page 3: Table Of Contents
CONTENTS 1. WARNINGS ............. 4 5. ELECTRICAL WIRING ......... 21 Pay Attention to These Terms ......... 4 Electrical Power Draw ........... 21 Transformer Wiring ..........21 2. WATER CHEMISTRY ..........5 Automatic Chlorinators and Chemical Feeders..5 6. WIRING DIAGRAM ..........23 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
For your health and the protection of your pool equipment, CAUTION: Elevated water temperature can be it is essential that your water be chemically balanced. The hazardous. The U.S. Consumer Product Safety following levels must be used as a guide for balanced Commission has these guidelines: water. -
Page 6: Before Installation
Be sure that you receive the number of packages indicated 3. BEFORE INSTALLATION on the Bill of Lading. Receiving equipment Model Identification Number The manufacturer recommends that this manual be The model number of a pool heater can be found on the reviewed thoroughly before installing the pool/spa heater. -
Page 7: Elevation
required. If necessary, the top can be changed at a later NOTE: The heater should not be located in an area where date to change from outdoor to indoor or vice versa. possible water leakage will result in damage to the area adjacent to the heater or to the structure. -
Page 8: Outdoor Heater Installation
Clearances less than these may require removal of the For Canadian installations, pool heaters shall not be heater to service either the heat exchanger or the burner installed with the top of the vent assembly within 10' (3 m) tray. In either case, the heater must be installed in a manner below, or to either side, of any opening into the building. - Page 9 WARNING: Indoor heaters require a drafthood that must be connected to a vent pipe and properly vented to the outside. Failure to follow this procedure can cause fire or fatal carbon monoxide poisoning. 4' (1.2 m) Minimum Outdoor and Indoor Stacks 4' (1.2 m) The outdoor and indoor stacks are optional equipment Minimum...
- 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) 267A 23 (584) 337A 26 (660) F10649 407A 29 (737) 28" (709 mm) 2" x 6" x 1/8" Pallet Anchor Bracket (4 Total) (Kit# 011636) 3"...
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Page 11: Combustion And Ventilation Air
INDOOR STACK KIT All Air from Outdoors: (1) Drafthood, unpainted When air is supplied directly from outside the building, each (1) Adapter plate opening shall have a minimum net free area as noted: (3) Mounting brackets (clips) Typical Screened Typical Screened Unrestricted or Louvered and Louvered... - Page 12 Specifications and Dimensions Amp Draw 120 VAC, 1 Ph, 60 Hz 240 VAC, 1 Ph, 60 Hz FLUE 10" (254 mm) 8-7/8" (225 mm) 4-3/8" (6-5/8" ASME) INDOOR (111 mm) (168 mm ASME) DRAFTHOOD 34" (867 mm) 31-13/16 " STACKLESS (792 mm) OUTDOOR 20-1/2...
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Page 13: Vent Piping
maintained. However single-wall metal vent pipe may be Vent Piping used as specified in the latest edition of the National Flue Gas Code, ANSI Z223.1 (Canada - CAN/CSA-B149). WARNING: Indoor heaters require a drafthood that must be connected to a vent pipe and properly vented to the outside. -
Page 14: Gas Supply Connections
8' (2.4 m) CAUTION: The heater and its manual shut-off 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 shut off valve to gas supply line. -
Page 15: Flow Rates
Flow Rates MANUAL Model Pipe Size Min. GPM (lpm) Max. GPM (lpm) SHUT-OFF VALVE 207A 1-1/4"–1-1/2"–2" 20 (75) 125 (473) 267A 1-1/4"–1-1/2"–2" 25 (95) 125 (473) 337A 1-1/4"–1-1/2"–2" 35 (132) 125 (473) 407A 1-1/4"–1-1/2"–2" 40 (151) 125 (473) * When flow rates exceed maximum GPM an external auxiliary bypass valve is required. -
Page 16: Protek Shield Assembly
Pressure Drop Flow GPM Ft. of Head (m of Head) O-RING (lpm) 207A 267A 337A 407A HEADER FLANGE 20 (75) 4.0 (1.2) (CPVC) 25 (95) 4.0 (1.2) 4.6 (1.4) PLUMBING 30 (113) 4.0 (1.2) 5.2 (1.6) 35(132) 4.0 (1.2) 5.8 (1.8) 5.2 (1.6) PROTEK 40 (151) -
Page 17: Unitherm Governor Operation
This component provides protection to the heat exchanger UG PLUG against galvanic corrosion, when properly bonded to the UNITHERM GOVERNOR heat exchanger. It should be replaced when the weight of the ProTek Shield is reduced to about 40% of the original GASKET weight (1.46 #). -
Page 18: External Auxiliary Bypass Valve
External Auxiliary Bypass Valve PRESSURE RELIEF VALVE Where Required - An auxiliary bypass valve should be PRV DISCHARGE used when flow rates exceed 125 GPM (473 lpm). Usually CONNECTION a high-performance pump size larger than two horsepower will exceed this flow rate. This valve is required to complement the function of the automatic bypass valve, particularly when starting the heater in winter or early spring when the spa or pool temperature is below 50°F... -
Page 19: Plumbing Diagram
Plumbing Diagram Water Connection ISOLATION VALVE BALL VALVE PRESSURE RELIEF VALVE PUMP Figure 27. Single Pool Heater Installation UNION CHECK VALVE Figure 28. Multiple Pool Heater Installation... -
Page 20: Heat Exchanger Reversal
The heater requires water flow and positive pressure to fire and operate properly. It must therefore be installed downstream of the discharge side of the filter pump. See. Figure 27 and Figure 28. A typical installation is plumbed as follows: 1. -
Page 21: Electrical Wiring
heater is supplied with a dual-voltage transformer for 120 5. ELECTRICAL WIRING VAC or 240 VAC input power hookup. NOTE: If it is necessary to replace any of the original When operating on 120VAC power, units draw 6 amps. wiring, use 105°C wire or its equivalent, and/or 150°C When operating on 240VAC units draw 3 amps. - Page 22 240 VAC Wiring For 240 VAC input power to the unit, connect the black wire to the “L1” or hot leg of the power supply. Connect the red wire to the “L2” or second hot leg of the power supply. There should be no connection to the white wires for 240 VAC operation.
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Page 23: Wiring Diagram
6. WIRING DIAGRAM... -
Page 24: 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 KNURLED BEZEL RESET SCREW ROLL-OUT UNITHERM SWITCH GOVERNOR F10647-3 VALVE Figure 37. Knurled Screw Location PILOT PROTEK AIR PRESSURE... -
Page 25: 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 26 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 27: 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 28: 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 29 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 30 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 31 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 32 5. Remove (2) screws that secure combustion blower 5. Turn vertical gas pipe from manifold slightly and to blower box. unscrew gas valve. 6. Reverse above procedure to reinstall. 6. Reverse above procedure to reinstall. Main Burner And Orifice Removal Heat Exchanger Removal 1.
- Page 33 3. Remove retainer plug located next to the outlet pipe Desooting Procedure connection on polymer header models. 4. Unsnap old U.G. to remove from retainer plug. Snap WARNING: Soot Is Combustible. Exercise Extreme in new U.G. Care. 5. Reinstall retainer plug, taking care to lubricate Soot will clog areas between fins and cause eventual gasket with a non-petroleum based grease such as tube failure.
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Page 34: 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 35 OPERATING INSTRUCTIONS AND SHUT-OFF PROCEDURES ELECTRONIC IGNITION DIGITAL 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 36: Maintenance And Care
9. MAINTENANCE AND CARE Cold Weather Operation WARNING: Check the heater for possible rodent Important Freeze Information 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 37: 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 38: 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 39: 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 40: 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 41: Illustrated Parts List
12. ILLUSTRATED PARTS LIST 3- V I3- S 4- V 1- V 2 - S 2- V 6- HP 5 -H P 7 -H P 8 - C I5- H P 3- HP 6 -HP 4 -HP 3 - R I2 -S 9 - M 6 -S... - Page 42 16-M (OPTIONAL) 27-HM 26-HM 6-HM 8-HP 5-HM 17-M 18-M 2-HM 28-HM 7-HM 18-HP 17-HP 20-HP 4-HM 3-HM FOR UNITS WITH ASME BRASS HEADERS FROM 12/2019 (OPTIONAL) 14-HM 16-HM 13-HM 15-HM 11-HM 19-HM 21-HM 6-HM 5-HM 2-HM 12-HM 7-HM 4-HM 19-HM 10-HM 20-HM 3-HM...
- Page 43 19-HP (OPTIONAL) 19-HP (OPTIONAL) 19-HP 11-HP 11-HP 6 -C 8-HP 16-HP 18-HP 12-HP 8-HP 10-HP 16-HP 12-HP 18-HP 15-HP 2-HP 2-HP 13-HP 14-HP 17-HP 13-HP 14-HP 20-HP 17-HP FOR UNITS WITH POLYMER HEADERS PRIOR TO 10/2019 F OR UN I T S W I T H P O LY M E R H E AD E RS F R OM 1 0 / 2 0 19 19-M 20-M 22-M...
- Page 44 CALL OUT DESCRIPTION 207A 267A 337A 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)* 351632/3 351632/4 351632/5...
- Page 45 CALL OUT DESCRIPTION 207A 267A 337A 407A HEAT EXCHANGER - METAL 1-HM Heat Exchanger Assy.Copper ASME Units manufactured from 12/2019 (Brass) 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 (Brass) 017987F 017988F...
- Page 46 CALL OUT DESCRIPTION 207A 267A 337A 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 11 PSI Special-See Water Pressure Switch Adj. 009133F 009133F 009133F...
- Page 47 Door Assy. Raypak Cool Dark & Warm Dark Gray 013871F 013872F 013873F 013874F Green 010267F 010268F 010269F 010270F Rheem Cool Dark & Warm Dark Gray 013875F 013876F 013877F 013878F Green 010271F 010272F 010273F 010274F Ruud Cool Dark & Warm Dark Gray (Units mfd after to 9/2012)
- Page 48 ISO 9001 REGISTERED QUALITY MANAGEMENT SYSTEM www.raypak.com Raypak, Inc., 2151 Eastman Avenue, Oxnard, CA 93030 (805) 278-5300 Fax (805) 278-5468 Litho in U.S.A.