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INSTALLATION AND OPERATION MANUAL Gas-Fired Pool and Spa Heater Low NOx 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. —...
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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.
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.
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.
Be sure that you receive the number of packages indicated 3. BEFORE INSTALLATION on the Bill of Lading. Receiving equipment Rating and certifications The manufacturer recommends that this manual be reviewed thoroughly before installing the pool/spa heater. If These heaters are design-certified and tested under the there are any questions that this manual does not answer, latest requirements of the ANSI Z21.56 / CSA 4.7 Standard please contact the factory or your local representative.
When installed according to the listed minimum clearances WARNING: Improper installation, adjustment, from combustible construction, the pool heater can still be alteration, service or maintenance may damage the serviced without removing permanent construction around equipment, create a hazard resulting in asphyxiation, the heater.
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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.
or Canada CAN/CSA-B149) and any local codes that For Canada, indoor installation is restricted to an enclosure may have jurisdiction. The most common approach is that is not occupied and does not directly communicate the "2-opening" method, with combustion air opening no with an occupied area.
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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"...
Flue materials must be certified to CATEGORY I or Vent Piping better. Type “B” double-wall or equivalent vent pipe is recommended. A draft of -0.01" to -0.08" WC must be WARNING: Indoor heaters require a drafthood that maintained. However single-wall metal vent pipe may be must be connected to a vent pipe and properly vented to used as specified in the latest edition of the National Flue the outside.
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.
Gas Pressure Adjustment Locations Gas Pressure Adjustment F10638-1 Figure 15. Polymer Headers Water Flow Figure 14. Honeywell VR8340 Pipe Sizing for Gas Connection The capacities shown below are based on using SCH 40 black iron pipe. For capacities using other materials, consult local codes.
Brass 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) 2-inch unions, make sure the O-rings are properly seated in the grooves.
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.
FROM HEATER FULL PORT BALL VALVE OR GLOBE VALVE FROM POOL/SPA TO POOL/SPA F10663 PRESSURE RELIEF VALVE BYPASS VALVE Do not use gate valve. Figure 25. Pressure Relief Valve Brass Header (ASME Models) Figure 23. Auxiliary Bypass Valve NOTE: To avoid water damage or scalding due to valve Auxiliary Bypass Valve Adjustment operation, drain pipe must be connected to valve outlet and run to a safe place of discharge.
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.
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.
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.
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...
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.
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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.
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.
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.
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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.
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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.
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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.
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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.
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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.
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,...
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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.
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.
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.
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.
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”...
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.
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19-HP (OPTIONAL) 19-HP (OPTIONAL) 19-HP 11-HP 11-HP 6- C 8-HP 16-HP 12-HP 18-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 U N I T S W I T H PO LY M E R H E AD E R S F RO M 1 0 / 2 0 1 9 19-M 20-M 22-M...