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G 1-22-04 Rev. G 1-22-04 P/N 471048 27 INSTALLER: AFFIX THESE INSTRUCTIONS TO OR ADJACENT TO POOL & SPA HEATER Pentair Pool Products, Inc. 1620 Hawkins Ave., Sanford, NC 27330 • (919) 774-4151 10951 W. Los Angeles Ave., Moorpark, CA 93021 • (805) 523-2400 A-1 PowerMax™ Pool & Spa Heater OPERATION & INSTALLATION MANUAL (APPENDIX) PowerMax™ Pool and Spa Heater INTRODUCTION This manual provides information for the proper installation, operation and maintenance of the PowerMax pool and spa heater. Please read these installation and operation instructions thoroughly before attempting installation or operation of your pool and spa heater. GENERAL SPECIFICATION ...For the installer and operator of the PowerMax pool and spa heater. The manufacturer’s warranty may be void if, for any reason, the heater is improperly installed and/or operated. Be sure to follow the instructions set forth in this manual. CODE REQUIREMENTS The installation must conform with local codes or in the absence of local codes with the latest national fuel Gas Code, ANSI Z223.1. Installation in Canada to be made in accordance with the latest CAN/CGA-B149.1 OR .2 and CSA C22.1 Canadian Electric Code part 1. The PowerMax Induced Draft Pool and Spa Heater is a fan assisted balanced flue gas combination, the field installation kit is designed for application to the PurexTriton Pool and Spa Heater Electronic Ignition Models 150 to 400. The PowerMax is approved for both indoor and outdoor installation using either natural gas or propane. The unit operates in both vertical and horizontal reduced vent pipe locations, in both the new and existing installations, and for applications such as through the (side) wall venting. MODEL NO. INPUT MBH MINIMUM DISCHARGE DIA (Inches) 150 150 3 200 200 3 250 250 4 300 300 4 350 350 4 400 400 4 Table 1. A-2 P/N 471048 Rev. G 1-22-04 MOUNTING ASSEMBLY Follow these instructions if the PowerMax venting system was purchased as an assembly kit. 1. Remove the vent kit assembly (indoor). 2. Mount the plenum assembly on the flue collector top using the screw provided. 3. Connect the wire harness to the heater control box. Follow the instructions on page 5. 4. Mount the new top on the top of the heater. Using a #28 drill bit to drill the four holes on the right side of the heater for the mounting screws. The front and back side of the top will snap into the heater with no screws. Figure 1. DESCRIPTION OF SYSTEM OPERATION SYSTEM OPERATION: 1. Set the thermostat to the lowest setting. 2. Push the power switch off. The electric power supply requirement is: • 115 volts 60 Hz, 1 Ph, 1.5 Amp 3. Remove the door. 4. Push in the gas control knob slightly and turn clockwise to “OFF”. 5. Wait (5) minutes to clear out any gas. If you then smell gas STOP. Follow the safety information. If you don’t smell gas, go to the next step. 6. Turn the knob on the gas control counterclockwise to “ON”. 7. Replace the door. 8. Make sure the pump is running and is primed. 9. Push the power switch on. 10. Set the thermostat to the desired setting. • a. Fan motor starts, draft proving switch closes. • b. Ignition module energized. • c. Check for spark at the gas pilot. 11. The pilot should spark and then ignite, then the main burners will ignite. 12. Heater will operate until the desired temperature is reached. PRESSURE SWITCH OPERATION The air pressure switch is a safety device to insure that the blower is operating and has been designed to monitor the vacuum (negative) pressure within the fan housing. The air pressure switch is in the ignition module circuit and the ignition module does not operate unless the switch is closed. Figure 2. AIR PRESSURE SWITCH A-3 Rev. G 1-22-04 P/N 471048 P/N 471048 Rev. G 1-22-04 30 A-4 VENTING The vent pipe must be the same size or larger than what is indicated in Table 1. The PowerMax heaters are capable of a 360-degree discharge rotation and operate with a positive vent static pressure and with a vent gas temperature less than 400 F. The total length of the horizontal run must not exceed an equivalent of 45 feet. For all cases, each 90-degree elbow reduces the maximum horizontal vent run by 8 feet and each 45-degree elbow in the vent run reduces the maximum vent run by 4 feet. See Table 2 for the maximum vent lengths using a 90 degree and 45 degree elbows. The PowerMax induced-draft pool and spa heater uses positive pressure to push flue gases through the vent pipe to the outside. This requires a completely sealed vent system--single wall vent pipe with sealed-seams and joints may be used. Flue gases under positive pressure may escape into the dwelling with any cracks or loose joints in the vent pipe, or improper vent installation. The vent pipe must be of a sealed-seam construction such as those listed for use with category III appliances. Alternately, single wall or double-wall type B duct which has had duct seams and joints permanently sealed using cements or other suitable means which are rated for use at the flue...