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Rev. D  12-22-04

             P/N  472235

11

MiniMax

®

 NT Series

Pool & Spa Heaters

OPERATION & INSTALLATION MANUAL

 WARNING

U.S. Patent Numbers

6,295,980

5,318,007 - 5,228,618
5,201,307 - 4,595,825

Pentair Water Pool and Spa, Inc.

1620 Hawkins Ave., Sanford, NC 27330

 

 (919) 566-8000

10951 W. Los Angeles Ave., Moorpark, CA 93021

 

 

(805) 523-2400

1

To

Consumer
Retain For

Future

Reference

FOR YOUR SAFETY - READ BEFORE OPERATING

If you do not follow these instructions exactly, a fire or explosion may result,
causing property damage, personal injury or loss of life.

Improper installation, adjustment, alteration, service or maintenance can cause
property damage, personal injury or death.  Installation and service must be
performed by a qualified installer, service agency or the gas supplier.

Do not store or use gasoline or other flammable vapors and liquids in the vicinity
of this heater or other appliances.

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 neighbor's phone.
Follow the gas supplier's instructions.

If you cannot reach your gas supplier, call the fire department.

For additional free copies of this manual; call (800) 831-7133.

Summary of Contents for HTR-200-NT Series

Page 1: ...loss of life Improper installation adjustment alteration service or maintenance can cause property damage personal injury or death Installation and service must be performed by a qualified installer s...

Page 2: ...194 Web site visit www pentairpool com to find information about Pentair Water Pool and Spa Inc 2004 Pentair Water Pool and Spa Inc 1620 Hawkins Ave Sanford NC 27330 919 556 8000 10951 West Los Angele...

Page 3: ...16 Vent Adaptors 16 Indoor Installations Venting Guidelines 17 Outdoor Installations Venting Guidelines 18 Outdoor Vent Kit 18 Electrical Connections 19 Wiring Diagram NT STD TSI with DDTC 20 Section...

Page 4: ...the identification system 1 HTR Heater 2 200 250 300 or 400 Input rating Btu hr X 1000 3 NT MiniMax NT Series 4 STD or TSI Series Character 5 NH or PH Gas type Natural gas or Propane gas and ignition...

Page 5: ...f for any reason the heater is improperly installed and or operated Be sure to follow the instructions set forth in this manual If you need any more information or if you have any questions regarding...

Page 6: ...hermostats may err in regulating water temperatures by as much as 4 F 5 Persons with a medical history of heart disease circulatory problems diabetes or blood pressure problems should obtain their phy...

Page 7: ...ctor bears the appropriate license See Figure 1 for Outdoor and Indoor Installations SPECIFICATIONS Section III Installation Installation Instructions MODEL 200 250 24 63 21 63 A DIM 300 400 34 13 27...

Page 8: ...eater and is equipped with a positive seal noncorrosive Check Valve P N R172288 between the feeder and heater l e d o M M P G n i M M P G x a M 0 0 2 0 2 0 2 1 0 5 2 0 3 0 2 1 0 0 3 0 3 0 2 1 0 0 4 0...

Page 9: ...left large access doors It is not necessary to remove the top of the heater to gain access to the headers 2 Disconnect all wires from the high limit switches except the short jumper wire NOTE Do NOT r...

Page 10: ...he support bracket 10 Reconnect all the high limit wires and the pressure switch wiring routing the wires through the same hole as the thermostat sensor wires 11 Pump and bleed system to check the hea...

Page 11: ...ally be of a larger size than the gas valve supplied with the heater Therefore a reduction of the connecting gas pipe will be necessary Make this reduction as close to the heater as possible The heate...

Page 12: ...T N E L A V I U Q E M U M I X A M t F t o o F c i b u C r e p U T B 0 0 0 1 t a s a G l a r u t a N t o o F c i b u C r e p U T B 0 0 5 2 t a s a G e n a p o r P L E D O M 2 1 4 3 1 4 1 1 2 1 1 2 2 1...

Page 13: ...TSI MiniMax NT STD Inlet Manifold Illustrations above are for Natural Gas for Propane requirements see Table 7 1 Push the power switch to OFF 2 Turn the gas valve knob to OFF 3 Remove 1 8 in NPT plug...

Page 14: ...earance recommendation by the vent pipe manufacturer the requirements of the Uniform Mechanical Code should be met The ventilation air requirements for the MiniMax NT heater can be found on page 16 It...

Page 15: ...ate drainage be installed under the heater The pan must not restrict air flow It is recommended to install the heater on fire resistance slabs Do not install the heater directly on a combustible wood...

Page 16: ...ding r o f a e r A n e p o e e r F t e N s e h c n I e r a u q S g n i n e p O h c a E r e t a e H e z i S m o r f d e t c u D e d i s t u O m o r f t c e r i D e d i s t u O 0 0 2 0 0 1 0 5 0 5 2 5 2...

Page 17: ...m any door window or gravity air inlet 4 ft below 4 ft horizontally 1 ft above Air Supply Clearances indicated are for non mechanical air supply inlet to the building For mechanical air supply inlet a...

Page 18: ...36 in between the air conditioning unit and the heater Outdoor Shelter Installation in Canada see page 15 Section III Installation VENTING GUIDELINES OUTDOOR INSTALLATION Must be at least 3 ft above...

Page 19: ...e 17 If any of the original wiring supplied with this heater must be replaced installer must supply No 18 AWG 600V 105 C U L approved AWM low energy stranded copper wire or it s equivalent Thermal fus...

Page 20: ...ERMIQUE DOIT ETRE REMPLACEE JI0 VLV HLMT 24V J4 J7 J9 P9 IGN J11 IGN 120 GND 24VAC IGN FS IGN 240 VLV W O R PR GY TH PS BK BR Y L2 L1 J17 BL FC F1 F2 W W J16 BK BLACK NOIR BL BLUE BLEU BR BROWN MARRON...

Page 21: ...ower switch to OFF see Figure 25 3 Set the thermostat to OFF see page 27 4 This appliance is equipped with an ignition device which automatically lights the burners Do not try to light the burn ers by...

Page 22: ...Pool Level Installation instructions on page 8 The switch may remain closed with no water flow if there is more than a 3 ft elevation difference between the heater heat exchanger and the pool water li...

Page 23: ...he heat up and TFI periods and continues thereafter for another 30 seconds at low speed then return to full speed for the remainder of the heating cycle The thermostat air pressure switch and burner f...

Page 24: ...re of the water returning to the heater depending on which mode has been selected Pool or Spa This is accomplished by a thermister sensor on the inlet port of the water header of the heater and workin...

Page 25: ...Rev D 12 22 04 P N 472235 25 Section IV Operation Figure 27...

Page 26: ...be seen from the front of the control panel five are system indicators and four are mode indicators which helps you understand the operation of the heater see Figure 26 If something should go wrong t...

Page 27: ...remote control systems In order to operate by a remote control system the REMOTE mode must be selected on the front panel When the REMOTE mode is selected the REMOTE LED will light up REMOTE CONTROL T...

Page 28: ...on there is a failure within the heater control system or a DDTC internal fault The DDTC will display the actual temperature or set point temperature or OFF as selected by the user When DDTC detects a...

Page 29: ...operating after pump has shut off Shut off gas supply and call serviceperson Heater exchanger scaled Shut off gas supply and call serviceperson SERVICE CHECKS IGNITION MODULE m o t p m y S e r u C e...

Page 30: ...main header being careful to drill only through wall at bottom of 3 4 in NPT port and no deeper now thread in the 3 4 in NPT PRV NOTE A S M E version varies slightly It is of bronze construction and i...

Page 31: ...ze damage to the exchanger or headers Freeze damage is specifically not covered by the warranty If the pool won t be used for a month or more turn the heater off at the main gas valve For areas where...

Page 32: ...once every month or so to be sure it is being maintained See your local pool dealer for help in properly balancing the water chemistry 7 2 6 8 7 0 7 4 7 6 7 8 8 0 8 2 8 4 Add Soda Ash or Sodium Bicarb...

Page 33: ...Rev D 12 22 04 P N 472235 33 REPLACEMENT PARTS NT STD w DDTC all Models NT TSI w DDTC 200 250 and 300 Models FOR TSI ONLY 29 30 31 33 34 35 36 FOR STD ONLY...

Page 34: ...P N 472235 Rev D 12 22 04 34 B J K Q X Q J J Q J J Q J J J J YY Q Z J B B X J _ _ _ _ _ K Q K Q J J J J Q Y _ Y Y _ Y _ Y _ Y Z B Y K Q J Q K Q K Q B Y J J YY Z Y Z X Z Z Q J Z J J JJ JJ J J Z _ Z J...

Page 35: ...J J Q J J J J YY Q Z J B B X J _ _ _ _ _ K Q K Q J J Q X Y _ Y Z B Y K Q J J Q K Q K Q B Y J J YY Z Y Z X Z Z Q J J J _ Y Z J Z _ Z JJ J JJ Replacement Parts for the 400 Model Series are for models m...

Page 36: ...D 12 22 04 36 1 4 3 6 8 10 11 13 46 45 44 42 41 30 31 32 25 35 38 39 2 7 12 22 21 27 29 43 40 36 15 28 24 20 16 14 23 9 17 26 18 5 19 34 33 37 REPLACEMENT PARTS NT TSI w DDTC 400 Model Starting w Seri...

Page 37: ...Rev D 12 22 04 P N 472235 37 J J B K JJ Q X Q Q Y _ Y _ Y J _ J _ _ K Q J K Q _ JJ J _ B X J X B X YY J YY Q Q Q J YY Q B Y J K Q Z Q Z K Q K Q B Y YY Z Y Z X Z Z Q J...

Page 38: ...P N 472235 Rev D 12 22 04 38 NOTES...

Page 39: ...Rev D 12 22 04 P N 472235 39 NOTES...

Page 40: ...P N 472235 Rev D 12 22 04 40 40 Pentair Water Pool and Spa Inc 1620 Hawkins Ave Sanford NC 27330 919 566 8000 10951 W Los Angeles Ave Moorpark CA 93021 805 523 2400 SAVE THESE INSTRUCTIONS...

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