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TM
MasterTemp
CERTIFIED
®
®
POOL AND SPA HEATER
120/240 VAC NATURAL
GAS/LP GAS
INSTALLATION
and
USER’S GUIDE
MODELS Natural Propane
200K BTU/HR 460730 460731
250K BTU/HR 460732 460733
300K BTU/HR 460734 460735
400K BTU/HR 460736 460737
SPECIAL INSTRUCTIONS TO OWNER
Retain this manual for future reference.
This manual supplies information for the installation, operation,
and servicing of the appliance. READANDREVIEWTHIS
MANUALCOMPLETELY before proceeding with an installation.
Its use w
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Table of Contents INSTALLATION, OPERATION Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 AND SERVICE MANUAL General Specifications, Requirements . . . . . . . . . 3 Description of the Heater . . . . . . . . . . . . . . . . . . . 4 TO INSTALLER: Sequence of Operation . . . . . . . . . . . . . . . . . . . . . 4 Affix these instructions adjacent to the Owner’s Operating Instructions . . . . . . . . . . . . . . 4 heater. Before Startup. . . . . . . . . . . . . . . .
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exhaust fumes to blow into the room housing the heater. SAFETY INSTRUCTIONS (Continued) The heater is supplied with an integral venting system for WARNING This appliance is equipped with an outdoor installation. A vent conversion kit (See Page 14 unconventional gas control valve that is factory for Part Numbers for Conversion Kits) is available for set with a manifold pressure of -.2 inches wc. installations in enclosures (Canada) or indoors (U.S.). Use Improper installation, adjustment, altera
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Gas The heater may not be installed within five feet of the • the high limit switch (HLS), which opens if the heat inside surface of a pool or spa unless it is separated by a exchanger outlet temperature goes above 135° F solid fence, wall or other permanent barrier. (57° C), and • the automatic gas shutoff (AGS) switch, which opens A Propane (LPG) fired heater must not be installed in a if the heat exchanger outlet temperature goes above garage in Massachusetts, by order of the Massachusetts
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8. Push the toggle switch away from you to switch the 4. Toggle-Style Valve: Pull toggle toward you to turn gas gas on. off. 9. Replace the Door Access Panels. All panels must be 5. Replace the Access Door Panels. in place when operating the heater. OPERATING CONTROL 10. Set 3-way valves on inlet and outlet to pool or spa, as appropriate. The five operating switches are: 11. Turn on all electric power to the appliance. POOL ON Press this button to govern heater operation 12. Press either the POO
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The SERVICE SYSTEM light indicates that there is DO NOT operate this unit outdoors at temperatures insufficient water flow to the heater. If the pump is oper- below 40° F (4° C). ating, this usually indicates that the filter and/or skim- During cold weather, if there is no danger of freezing, mers should be cleaned (some filters may require back- operate the filter pump continuously even if the heater is washing). If the light remains on after the filter/skimmers not operating. If air temperatur
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into the manifold. CARE AND MAINTENANCE 5. Drain the plastic inlet/outlet manifold through the MAINTENANCE INSTRUCTIONS outlet pipe. If the pipe does not drain naturally to the pool, install a drain cock in the outlet pipe to drain WARNING Risk of fire or explosion from flammable the manifold. vapors. Do not store gasoline, cleaning fluids, varnishes, 6. Cover air inlet grate with a plastic bag to prevent paints, or other volatile flammable liquids near heater or bugs, leaves, etc., from gettin
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protection authorities about specific installation restrictions. CONTROL PANEL INDEXING The exhaust discharges vertically from outside the vent The heater is design certified by CSA International for cover. The heater control panel assembly located on the installation on combustible flooring; in alcoves; base- top panel can be rotated to any of three positions for ments; in closet or utility rooms (in the U.S.) convenient access to the panel as follows: INSTALLATION IN A GARAGE OR UTILITY ROOM 1
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NOTICE: Combustion air contaminated by corrosive from the ceiling for ventilation air and one 12 inches chemical fumes can damage the heater and will void the (30cm) from the floor for combustion air, in accordance warranty (See Table 1 below). with the latest edition of ANSI Z223.1, or the National Fuel Gas code, the CSA B149.1, Natural Gas and Propane HEATER CLEARANCES – Installation Codes, as applicable, and any local codes that OUTDOOR SHELTER (Canada) or INDOOR (U.S.) may apply. The follow
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cloth or paper towel with isopropyl alcohol (rubbing OUTSIDE VENT COVER REMOVAL alcohol) and vigorously wipe the socket of the Vent The heater is supplied from the factory with a built-in Body. Immediately wipe the cleaned surfaces dry with stackless outside vent for outdoor installation. Remove a clean cloth or paper towel. Repeat for the exterior of the outside vent cover for outdoor shelter installation. the 4" end of the metal Flue Collar. Attach the metal VERTICAL VENTING - NEGATIVE PRESSU
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5. Use Listed firestop for floor and ceiling penetrations. HORIZONTAL OR VERTICAL VENTING - Use Listed thimble for wall penetrations. Use a Listed POSITIVE PRESSURE (See Figure 13) roof flashing, roof jack, or roof thimble for all roof Vent the heater either horizontally or vertically using one penetrations. Do not fill the space around the vent of the 4-inch Special Gas Vent Pipes listed on Table 5 (that is, the clear air space in the thimble or (Page 14). Install the vent pipe in accordance w
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pipe runs up from the heater at least 1/4" per foot Table 4: Vent Termination Height vs. (2cm/M). Install Listed condensate drains at low Roof Pitch – U.S. points where condensate might collect. Plumb con- Minimum Height densate drains to a drain through hard piping or Roof Pitch Above Roof* high-temperature tubing such as silicone rubber or EPDM rubber – do not use vinyl or other low temper- Flat to 6/12 1 Ft. ature tubing. Follow drain manufacturer’s installation 6/12 to 7/12 1 Ft. 3 in. instr
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Install a check valve to prevent back-siphoning through the heater when the pump is off. 3-Way Chlorinator Valve NOTICE: Improper operation of chemical feeders can cause severe damage to the heater which is not covered by the warranty. Install the chemical feeder downstream of Check valve the heater (see “Water Chemistry,” below). Install a chemical resistant one-way check valve between the heater and the chemical feeder. Heater NOTICE: If you install a chemical feeder and check valve, you mus
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ing system during any pressure testing of that system at GAS CONNECTIONS test pressures in excess of 1/2 psig (3.5 kPa). The heater requires a gas supply of not less than The heater must be isolated from the gas supply system 4" (10.2cm) wc and not more than 14" (35.6cm) wc. by closing its individual manual shutoff valve during any Gas supply pressures outside of this range may result in pressure testing of the gas supply at test pressures equal improper burner operation. A minimum flowing or
