If the appliance will not operate, follow the instructions “TO SWITCH OFF GAS TO THE APPLIANCE”, and call your service technician or gas supplier. Read the safety information above. . When operating for the first time or after an extended. The burner should fire after about 20 seconds. . If it feels hot, or if you hear the water in the heater boiling, there may not be enough water flow to the appliance. See Figure 8 for minimum clearances. . . . . 4, Sequence of Operation . Rev. Make sure that joints have not slipped partially or completely apart. 4.Water must be flowing through the heater during operation. Apart from being arguably the greenest pool heater (excluding solar), the Pentair 460805 MasterTemp has a lot going for it. 6.Persons taking medications which induce drowsiness, such as tranquilizers, antihistamines or anticoagulants, should not use spas or hot tubs. . 3.Test the operation of the pressure relief valve by lifting the valve lever. For outdoor heaters in freezing climates, shut the heater down and drain it for winter as follows: 1.Turn off electrical supply to the heater and pump. See also “BEFORE STARTUP” (Page 4) and “CARE AND MAINTENANCE” (above). To install, with the pins on the right side when mounted, attach the ribbon cable starting from the bottom up, leaving the top 3 un-connectedâ¦ . In areas subject to hurricanes or very high winds, purchase the Bolt Down Bracket Kit, Part No. Before putting the heater into service for the first time, follow the instructions under “BEFORE START-UP” (page 4) in the front of this manual. Read “VERTICAL VENTING – NEGATIVE PRESSURE” (above) before using this table. . . . . . . . 9, Outdoor Shelter/Indoor Installation. During cold weather, if there is no danger of freezing, operate the filter pump continuously even if the heater is not operating. . . . . Follow venting instructions exactly when installing heater. Before operating the appliance for the first time or after it has been off for an extended time, perform the following checklist: Remove debris or other articles from inside the heater and the area around the heater and its exhaust vent. . You may have to repeat this until all of the air has cleared the gas line. Never allow children to use the pool or spa without adult supervision. Leave 3 ft. (1 M) or more of clearance above heater, Leave 6 in. . . . If this light comes on, shut down the heater (See TO SWITCH OFF GAS TO THE APPLIANCE on page 6), and have a qualified service technician check the system. protection authorities about specific installation restrictions. The SERVICE HEATER light indicates a fault in the heater or its controls. . Make sure that the filter is not plugged. . 11 years ago. . . . . Propane (LP) gas is heavier than air. . Keep the pool or spa covered when not in use. . . It is not designed to operate with any other fuels. •Use heater only with the fuel for which it is designed. The outer manifold remains cool; no heat sinks are required. Check that all water connections are tight. . Do not store gasoline, cleaning fluids, varnishes, paints, or other volatile flammable liquids near heater or in the same room with heater. Product Code: 460805 . . Itâs engineered to be ultra-quiet as many pool heaters tend to be noisy and annoying. Do not touch any electrical switch; do not use any phone in your building. Then after 10 minutes or up to 1 hour the heater turns off! Follow a regular program of preventive maintenance for the heater each new swimming season. . . . To maintain pool temperature, make sure that the heater switch and valving are reset to pool settings after using the spa. Close main gas control valve and manual gas valve (located outside the heater). I contacted Pentair and they are sending someone out tomorrow hopefully to fix, as it is under warranty. If the heater is installed in a closet or alcove, the entire floor shall be covered by the panel. •If a fuel conversion is necessary, refer this work to a qualified service technician or gas supplier before putting the heater into operation. 5.Turn the heater off when the pool will not be used for an extended period. Pentair MASTERTEMP 400K BTU-HR, MASTERTEMP 300K BTU-HR, MASTERTEMP 200K BTU-HR, MASTERTEMP 250K BTU-HR User Manual ... To maintain pool temperature, make sure that the heater switch and valving are reset to pool settings after using the spa. NOTICE: A PROPANE (LPG) fired heater must not be installed in a garage in Massachusetts, by order of the Massachusetts State Fire Marshall. . . Remove the Water Pressure Switch. . The HSI then switches to a sensing mode and monitors the flame. If the heater is under a roof or deck overhang, the space around the heater must be open on three sides. Propane is heavier than air. Do not use a draft hood with this heater, as the exhaust is under pressure from the burner blower and a draft hood will allow exhaust fumes to blow into the room housing the heater. Call (800) 831-7133 for additional free copies of these instructions. When operating for the first time, the burner may not fire on the first try because of air in the gas line. . . . DO NOT attempt to operate heater when SERVICE HEATER light is on or if blower or burner will not start. . . . . The heater, when installed, must be electrically grounded and bonded in accordance with local codes, or, in absence of local codes, with the Canadian Electrical Code or the National Electrical Code, ANSI/NFPA70, as applicable. ENERGY SAVING TIPS. 8, Outdoor Installation. MASTERTEMP® Pool and Spa Heater Installation and Userâs Guide Rev. Special caution is suggested for young children. MasterTemp - The Eco Select brand identifies our greenest and most efficient equipment choices. Replace the Door Access Panels. A temperature of 100°F (38°C) is considered safe for a healthy adult. 6.Cover air inlet grate with a plastic bag to prevent bugs, leaves, etc., from getting into the heater. . . The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Before connecting the metal Flue Collar to the Vent Body, wet a clean. . . . Exhaust venting to the outdoors is required for all outdoor shelter installations. Remove the four corner screws that secure the top panel. . Keep the area in and around the heater clear and free from combustible materials, gasoline and other flammable vapors and corrosive liquids. . Support the vent pipe according to applicable codes and the vent manufacturer’s instructions. Call Us: +44 (0)7474 124 340 +44 (0)7906 297 117; FIND US: Cromwell Rd, 70 PYM COURT, CB1 3FB CAMBRIDGE, UK Use heater only with the fuel for which it is designed. you can turn the heater off then turn it back on, and it immediately fires back up â¦ . . 1.Press the OFF button on operating control. . BEFORE OPERATING check for odor. . . (15 cm) of clearance or more, between the heater and combustible surfaces, OutdoorSpace3 ft. (1 M)aroundinstallationor more must. Do not use this heater if any part has been under water. Explanation Of The Different Pentair Mastertemp 400 btu Models. . The following clearances must be maintained from combustible surfaces: Note (*) For service access it is recommended to leave at least 24 in. . 10.Set 3-way valves on inlet and outlet to pool or spa, as appropriate. NOTICE: Combustion air contaminated by corrosive chemical fumes can damage the heater and will void the warranty. . . If necessary, the screws may be used as handles. 5.Remove the access door panels by unfastening the four 1/4-20 phillips head screws located on each door, then lift up and out from the bottom of the panel to remove. . . . See Figure 3. Two inch PVC water piping connects directly to the manifold/header on the heat exchanger using 2 Make sure the ventilation openings are clear of debris or obstruction. Vent it vertically using Type “B” double wall vent connector pipe. . . 11.Turn on all electric power to the appliance. 3.Attach the vent pipe to the metal Flue Collar with sheet-metal screws. Test the operation of the pressure relief valve by lifting the valve lever. For pools used only on weekends, lower the thermostat setting by 10° F to 15° F (5° C to 8° C) during the week to reduce heat loss. . . . . . . WARNING Risk of fire or explosion from flammable vapors. . A vent conversion kit (See Page 14 for Part Numbers for Conversion Kits) is available for installations in enclosures (Canada) or indoors (U.S.). . clearance for one of the door panels. Do not try to light the burner by hand. . . . . Comfort and economy can go together. . We have a Pentair MasterTemp 250, and the gas comes on perfectly. Check pipe and fittings for cracks or breaks. Temp was reading 126 degrees F when the pool was only 72 degrees. Consult local codes and fire protection authorities about specific installation requirements and restrictions. •the pressure switch (PS), which senses that the pump is running, •the high limit switch (HLS), which opens if the heat exchanger outlet temperature goes above 135° F (57° C), and. Attach the metal Flue Collar to the Vent Body using the RTV supplied with the kit, following the vent manufacturer’s instructions (included with kit). . . . NOTICE: The Combination Gas Control Valve on this appliance differs from most appliance gas controls. To toggle the display between degrees Centigrade (°C) and degrees Fahrenheit (°F): 2.Press ▲ TEMP or ▼ TEMP for 5 seconds. For installations in an enclosed space, make sure openings for combustion and ventilation air are unobstructed. Cover air inlet grate with a plastic bag to prevent bugs, leaves, etc., from getting into the heater. Install the heater at least 18 in. Be sure that there are no wires caught under the panel. In a utility room or residential garage installation, install the heater with the base at least 18 inches (.5M) above the floor. A temperature of 100°F (38°C) is considered safe for a healthy adult. (See “SWITCH SETTINGS” for testing instructions). . NOTICE: Table 3 is for installations in which the total lateral vent length (that is, the horizontal distance from the flue collar to the main vertical portion of the vent) is less than 1/2 the total vent height (the vertical distance from the flue collar to the vent termination) and which have three or less elbows in the system. 3, Description of the Heater . This heater is design certified by CSA International as complying with the Standard for Gas Fired Pool Heaters, ANSI Z21.56/CSA 4.7, and is intended for use in heating fresh water swimming pools or spas. . . . The burner does not require maintenance or adjustment by the user. Install Listed condensate drains at low points where condensate might collect. . . . Consult your local building code officials to determine installation requirements of heater relative to propane storage tanks and filling equipment. Turn switch on heater gas valve to OFF. . 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