background image

Installation
and Operation
Instructions for

MegaTherm

Pool Heating Boiler

Model MT

Sizes 2000-5000

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.

WARNING

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.

WHAT TO DO IF YOU SMELL GAS

• 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.

IMPORTANT: Store these instructions in the packet provided on the boiler

P/N 472644 Rev A - 05/22/06

IMPORTANT SAFETY INSTRUCTIONS

READ AND FOLLOW ALL INSTRUCTIONS

SAVE THESE INSTRUCTIONS

®

TM

Summary of Contents for MegaTherm MT 2000

Page 1: ...sult 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 WHAT TO DO IF YOU SMELL G...

Page 2: ...it Checkout 10 3B To Start Up System See Section 3A for Initial Start Up 10 3C To Turn Off Boiler 10 3D Spring and Fall Operation 10 3E WinterOperation 10 3E 1 DrainingBoilerBeforeFreezing 10 3E 2 Imp...

Page 3: ...the Pentair Water Commercial Pool and Spa technical support see page 2 or your local representative with any problems or questions regarding this equipment Experience has shown that most operating pr...

Page 4: ...unicating directly through the wall to outside air one within 12 inches of the ceiling the other within 12 inches of the floor Each opening should have a minimum free area of one square inch per 4 000...

Page 5: ...al draft action of the venting system This can create a health hazard by spilling flue products into the boiler room 6 Avoid oversize vent piping or extremely long runs of the pipe which may cause exc...

Page 6: ...essure could be an indication of an undersized gas meter and or obstructed gas supply line 6 The correct burner manifold gas pressure is stamped on the rating plate The regulator is preset at the fact...

Page 7: ...Piping of System to Boiler 1 Be sure to provide gate valves at the inlet and outlet to the boiler so it can be readily isolated for service 2 The pressure relief valve must be installed in the tapped...

Page 8: ...ic flow control valve will maintain proper flow through the boiler regardless of the reduced water flow due to a dirty or clogged filter 2J Automatic Chlorinators A concentration of chlorine in the bo...

Page 9: ...tch on the boiler is in the ON position After placing the manual pilot valves in the open position and resetting all safety devices high limit pressure switch Low Water Cutoff etc pilots can be lit fo...

Page 10: ...pool water temperature automatically 3C To Turn Off Boiler 1 Turn off main electrical switch 2 Close all manual gas valves 3D Spring and Fall Operation When the pool is not going to be used for a lon...

Page 11: ...eriodic 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 accu...

Page 12: ...Reassemble in reverse order Be sure to replace the heat exchanger baffles 6 The gas and electric controls installed on the boilers are designed for both dependable operation and long life But the safe...

Page 13: ...is indicated replace coil or operator Boiler is Pounding Knocking or Emitting Steam from Relief Valves Possible Cause What To Do Lower or no water flow This condition is usually caused by lack of adeq...

Page 14: ...and remaining screws from flue collector extension 12 12 Install middle rear panel 13 13 Install front panel making sure opening for removable panel is square 19 14 Install front stiffener 184 2450 an...

Page 15: ...MegaTherm Commercial Pool Heating Boiler Page 15 Figure 12 Outdoor Parts Referenced on page 14...

Page 16: ...sembly 20011301 20011302 20011303 20011304 20011305 20011306 20011307 12 Rear Closure Assembly 20012401 20012402 20012403 20012404 20012405 20012406 20012407 13 Heat Shield Support Bracket 20003201 20...

Page 17: ...MegaTherm Commercial Pool Heating Boiler Page 17 Figure 13 Parts Identification Indoor parts only For tiles see Figure 15...

Page 18: ...20012303 20012304 20012305 20012306 20012307 indoor only 35 Flue End Assembly 20012000 20012000 20012000 20012000 20012000 20012000 20012000 2 2 2 2 2 2 2 36 Upper End Assembly 20011900 20011900 2001...

Page 19: ...shown 2 2 2 2 2 49 b Pilot Relay Standing Pilot W003000 W003000 W003000 W003000 W003000 W003000 W003000 not shown 2 2 2 2 2 50 Pilot Burner Johnson W0034700 W0034700 W0034700 W0034700 W0034700 W00347...

Page 20: ...1 805 553 5000 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...

Reviews: