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IMPORTANT: Store these instructions in the packet provided on the boiler
FOR YOUR SAFETY: This product must be installed and serviced by a professional service technician,
qualified in hot water boiler installation and maintenance. Improper installation and/or operation could
create carbon monoxide gas in flue gases which could cause serious injury, property damage, or death.
Improper installation and/or operation will void the warranty.
If the information in this manual is not followed exactly, a fire or explosion may result
causing property damage, personal injury or loss of life.
Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or
any other appliance.
• 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 nearby 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 gas
supplier.
P/N 472644 Rev A - 05/22/06
WARNING
WHAT TO DO IF YOU SMELL GAS
IMPORTANT SAFETY INSTRUCTIONS
READ AND FOLLOW ALL INSTRUCTIONS
SAVE THESE INSTRUCTIONS
Installation
and Operation
Instructions for
MegaTherm
Pool Heating Boiler
Model MT
Sizes 2000-5000
TM
®
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Related Manuals for Pentair MT
Summary of Contents for Pentair MT
- Page 1 READ AND FOLLOW ALL INSTRUCTIONS P/N 472644 Rev A - 05/22/06 WARNING WHAT TO DO IF YOU SMELL GAS IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS Installation and Operation Instructions for MegaTherm Pool Heating Boiler Model MT Sizes 2000-5000 ®...
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Page 2: Table Of Contents
... 12 SECTION 5. Troubleshooting and Analysis of Service Problems ... 12 SECTION 6. Conversion of Model MT Pool Boilers From Indoor to Outdoor Models SECTION I ... 14 SECTION II ... 14 SECTION 7. Parts Description and Order Numbers ... -
Page 3: General Information
Consult the factory before making any modifications. 1A. Introduction This manual provides information for the installation and operation of Model MT Pool Boilers. It is strongly recommended that all application and installation procedures be reviewed completely before proceeding with the installation. Consult the Pentair Water Commercial Pool and Spa technical support Figure 1. -
Page 4: Installation Of Indoor Boilers
Canada. Consult the National Standard of Canada CAN1-B149 for details. See Table 2 for recommended air supply for U.S. models. An improperly ventilated equipment room can get excessively hot and Pentair Water Commercial Pool and Spa Clearance Indoor From (Inches) Water Conn. -
Page 5: 2. Venting
When the installation of a draft fan is necessary in the venting system to which a Model MT boiler is to be connected, the installation should be engineered by competent personnel following good engineering practices. -
Page 6: Freeze Protection
Review the following instructions before proceeding with the installation. Verify that the boiler is fitted for the proper type of gas by checking the rating plate. Model MT boilers are normally equipped to operate below a 2000 foot altitude. Boilers equipped to operate at higher altitudes have appropriate stickers or tags attached. -
Page 7: Electrical Wiring
MegaTherm Commercial Pool Heating Boiler Note: Main Gas Valves Incorporate Gas Pressure Regulators * Standard on sizes 3050-5000 (AGA models). ** Sizes 2000 & 2450 use one pilot gas valve. Sizes 2000, 2450 & 3050. † Figure 6. Gas Piping Diagram. Arrangement of gas train components for on-off firing are shown schematically in the Gas Piping Diagram (see Figure 6). -
Page 8: Boiler By-Pass Piping
2I. Boiler By-Pass Piping All Model MT pool boilers are equipped with an automatic flow control valve. Do not install a manual bypass valve unless the normal filtration rate exceeds 300 GPM. -
Page 9: Initial Start Up
MegaTherm Commercial Pool Heating Boiler pool. If this condition exists, follow this procedure to adjust the switch: With the boiler on, the filter pump running and the filter clean, slowly increase the pressure setting until the boiler shuts off. Slowly decrease the pressure setting until the boiler comes back on. -
Page 10: 3. Hi-Limit Checkout
3E-2. Improper Use of the Boiler The Model MT pool boiler is not designed for continuous use as an anti freezing device for pools. Operating the boiler at water temperatures below... -
Page 11: Time Clock Operation
3H. Periodic Service Inspect the heat exchanger tubes of the Model MT pool boiler on a regular basis. In most areas and under most operating conditions, the MT pool boiler will operate for years without accumulating any scale in the tubes. However, in some pools the mineral content of the water is such that completely scale-free operation is impossible. -
Page 12: Maintenance
(see Section 5 Troubleshooting). The heat exchanger can be checked Pentair Water Commercial Pool and Spa with a flashlight by locating a mirror under the burners. An alternate method is to remove the venting and top panel as necessary to inspect from above. -
Page 13: Troubleshooting And Analysis Of Service Problems
MegaTherm Commercial Pool Heating Boiler SECTION 5. Troubleshooting and Analysis of Service Problems For proper service and problem diagnosis of the boiler and system, the following tools are required: Gas pressure test kit with range from zero to 14" W.C. Either a slack tub manometer or an accurate gas pressure gauge is acceptable with proper adaptors which will connect to the available fittings in the line... -
Page 14: Conversion Of Model Mt Pool Boilers
Page 14 SECTION 6. Conversion of Model MT Pool Boilers From Indoor to Outdoor Models Please read the following instructions with Figure 11. Figure 12 shows the conversion completed. Please follow the instructions in their numerical order, failure to do this will cause problems on assembly. - Page 15 MegaTherm Commercial Pool Heating Boiler Page 15 Figure 12. Outdoor Parts. Referenced on page 14.
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Page 16: Parts Description And Order Numbers
21j. Cap Screw-Hex. Hd. F0013300 ½" - 13UNC x 1½" 21k. Washer - ½" F0010300 I=Indoor, E=Outdoor. Quantity is 1, unless otherwise noted. Pentair Water Commercial Pool and Spa Size Size Size 2000 I 2450 I 3050 I 2200 E... - Page 17 MegaTherm Commercial Pool Heating Boiler *Indoor parts only **For tiles, see Figure 15. Figure 13. Parts Identification. Page 17...
- Page 18 Manual Valve V0001800 Safety Valve (U.S.) V0046800 Lubricated Plug Valve (Canada) V0020500 Operating Valve V0047800 I=Indoor, E=Outdoor. Quantity is 1, unless otherwise noted. Pentair Water Commercial Pool and Spa Size Size Size 2000 I 2450 I 3050 I 2200 E...
- Page 19 MegaTherm Commercial Pool Heating Boiler Description Manual Pilot Valve W0002100 49(a). Pilot Valve (I.I.D.) W0019300 (not shown) 49(b). Pilot Relay (Standing Pilot) W003000 (not shown) Pilot Burner (Johnson) W0034700 Standing Pilot, Nat Pilot Burner (Honeywell) W0034800 Standing Pilot, Nat Pilot Burner (Johnson) W0034600 Standing Pilot, Propane Pilot burner (Honeywell)
- Page 20 Trademarks and disclaimers MegaTherm and the Pentair Commercial Pool and Spa logo are trademarks of Pentair Water Pool and Spa, Inc. Other trade- marks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products.