Pentair Pool Products MiniMax CH 150 Operation & Installation Manual Download

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This document is subject to change without notice.

1620 Hawkins Ave., Sanford, NC 27330 • (800) 831-7133 • (919) 566-8000
10951 West Los Angeles Ave., Moorpark, CA 93021 • (800) 831-7133 • (805) 553-5000

Attention Installer

Please give this manual to the owner and/or
operator once installation is complete.

Attention User

Please retain this manual for future reference, it
contains important information that will help you in
operating and maintaining this heater.

Call (800) 831-7133 for additional free copies of these instructions.

Summary of Contents for MiniMax CH 150

Page 1: ... Angeles Ave Moorpark CA 93021 800 831 7133 805 553 5000 Attention Installer Please give this manual to the owner and or operator once installation is complete Attention User Please retain this manual for future reference it contains important information that will help you in operating and maintaining this heater Call 800 831 7133 for additional free copies of these instructions ...

Page 2: ...ation and service must be performed by a qualified installer service agency or the gas supplier MiniMax CH POOL SPA HEATERS OPERATION INSTALLATION MANUAL WARNING 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 yo...

Page 3: ...ections 11 Reverse Water Connections 11 Insulating High Limits when Reversing Heads 11 Gas Connections 12 Gas Line Installation 12 Pipe Sizing Chart Gas Pressure Requirements 12 Pipe Sizing Chart Propane 2 Stage Regulation 13 Regulated Manifold Pressure Test 13 Ventilation 14 Outdoor Installation Requirements 14 Outdoor Cap Installation 14 Indoor Installation Requirements 15 Installation on Floors...

Page 4: ...ntair Water Pool and Spa Inc at 800 831 7133 These heaters are designed for the heating of chlorine bromine or salt system swimming pools and spas or in non stationary installations and should never be employed for use as space heating boilers or general purpose water heaters The manufacturer s warranty may be void if for any reason the heater is improperly installed and or operated Be sure to fol...

Page 5: ... the first three months of pregnancy resulting in the birth of a brain damaged or deformed child Pregnant women should stick to the 100 F 38 C maximum rule 4 Before entering the spa or hot tub the user should check the water temperature with an accurate thermometer Spa or hot tub thermostats may err in regulating water temperatures by as much as 4 F 2 2 C 5 Persons with a medical history of heart ...

Page 6: ...s If you then smell gas STOP Follow B in the safety informa tion above If you don t smell gas go to the next step 6 Push in gas control knob slightly and turn counterclockwise to Pilot If you do not follow these instructions exactly a fire or explosion may result causing personal injury loss of life and property damage Since propane gas is heavier than air escaping propane will accumulate and rema...

Page 7: ...ostat Adjustment NOTE To eliminate error due to piping heat losses measure pool temperature with an accurate thermometer directly at the pool or spa THERMOSTAT ADJUSTMENT The knob with locking feature eliminates the need for constant thermostat adjustments Set the knob pointer to the desired pool or spa temperature If further adjustment is needed rotate the knob until the desired temperature is ob...

Page 8: ...ature to a range that can be achieved easily in one day Generally this would be 10 F to 15 F if pool heater is sized properly 7 During the winter or while on vacation turn the heater off 8 Set up a regular program of preventative maintenance for the heater each new swimming season Check heat exchanger controls burners operation etc SPRING AND FALL OPERATION If the pool is being used occasionally d...

Page 9: ...ble pH range It is essential to maintain correct pH see Table 2 If pH becomes too high over alkaline it has these effects 1 Greatly lowers the ability of chlorine to destroy bacteria and algae 2 Water becomes cloudy 3 There is more danger of scale formation on the plaster or in the heat exchanger 4 Filter elements may become blocked If pH is too low over acid the following conditions may occur 1 E...

Page 10: ...1 n i 2 4 0 0 3 n i 8 7 6 2 n i 5 1 n i 0 1 n i 3 4 0 5 3 n i 8 7 9 2 n i 8 1 n i 3 1 n i 7 4 0 0 4 n i 8 3 3 3 n i 8 3 2 2 n i 7 1 n i 1 5 l e d o M m i D A m i D B m i D C m i D D m i D E 0 5 1 n i 8 7 7 1 n i 6 n i 3 1 n i 2 5 n i 6 0 0 2 n i 8 7 0 2 n i 9 n i 3 1 n i 8 7 3 5 n i 7 0 5 2 n i 8 7 3 2 n i 2 1 n i 3 1 n i 8 7 3 5 n i 7 0 0 3 n i 8 7 6 2 n i 5 1 n i 3 1 n i 5 5 n i 8 0 5 3 n i 8 7 ...

Page 11: ...ne is down stream of the heater and is equipped with a positive seal non corrosive Check Valve P N R172288 between the feeder and heater l e d o M n i M x a M 0 5 1 0 2 0 2 1 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 5 3 0 4 0 2 1 0 0 4 0 4 0 2 1 d e d n e m m o c e r m u m i x a m e h t d e e c x e t o n o D g n i p i p g n i t c e n n o c e h t r o f e t a r w o l f Table 6 MANUAL BY PAS...

Page 12: ...ew seals provided in the Quick Flange Accessory Bag 6 Install the temperature sensing bulb by passing the wires through the hole provided on the left side of the brace panel Route wires through the support bracket 7 Reconnect all the high limit wires Reconnect the pressure switch wiring Route the wires through the same hole as the thermostat sensor wires and reconnect thermister to the board 8 Rei...

Page 13: ...gned to burn Tables 7 9 on pages 12 and 13 shows which size pipe is required for the distance from the gas meter to the heater The table is for natural gas at a specific gravity of 65 and propane at specific gravity of 1 5 When sizing gas lines calculate three 3 additional feet of straight pipe for every elbow used When installing the gas line avoid getting dirt grease or other foreign material in...

Page 14: ... X A M l e d o M t e e F 0 1 o t 0 t e e F 0 2 o t 0 1 0 0 1 5 7 n i 2 1 n i 2 1 0 5 1 n i 2 1 n i 2 1 0 0 2 n i 2 1 n i 4 3 0 5 2 n i 2 1 n i 4 3 0 0 3 n i 4 3 n i 4 3 0 5 3 n i 4 3 n i 4 3 0 0 4 n i 4 3 n i 4 3 Table 10 Natural Propane Maximum inlet gas pressure 10 in WC 14 in WC Minimum inlet gas pressure 5 in WC 12 in WC Normal manifold pressure 4 in WC 11 in WC 6 WC for 400 model All Readings...

Page 15: ...e outdoor vent kit available at additional cost NOTE This unit shall not be operated outdoors at temperatures below 0o F for propane and 20o F for natural gas Figure 14 Figure 13 l e d o M p a C t n e V o N t c u d o r P a i D t n e V 0 5 1 5 1 V O 7 3 2 0 6 4 n i 6 0 0 2 0 2 V O 2 2 2 0 6 4 n i 7 0 5 2 5 2 V O 3 2 2 0 6 4 n i 7 0 0 3 0 3 V O 4 2 2 0 6 4 n i 8 0 5 3 5 3 V O 5 2 2 0 6 4 n i 9 0 0 4...

Page 16: ...r installation The heater must be located as close as practical to a chimney or gas vent The heater should be installed at least 5 feet away from the pool or spa The heater must be placed in a suitable room on a non combustible floor or on a non combustible base and in an area where leakage from heat exchanger or water connections will not result in damage to the area adjacent to the heater or the...

Page 17: ...5 3 0 0 4 0 0 4 0 0 4 Figure 17 CAUTION Chemicals should not be stored near the heater installation Combustion air can be contaminated by corrosive chemical fumes which can void the warranty NOTE The heater requires two uninterrupted air supply openings one for ventilation and one to supply oxygen for proper gas combustion The air supply openings should be sized according to Tables 12 and 13 Air s...

Page 18: ...HT WHT SHUT OFF SAFETY SWITCH PRESS WHT POOL PILOT GENERATOR THERMAL CUT OFF TH PP TH PP POT 1 THERMOSTAT BOARD POT 2 TH PP PP POT SENSOR SEN TH WHT MINIMAX WIRING DIAGRAM MILLIVOLT DUAL THERM HONEYWELL ELECTRONIC IF ORIGINAL FACTORY WIRING MUST BE REPLACED INSTALLER MUST SUPPLY UL OR CSA IF CANADA APPROVED WIRE 18 GAUGE 600V 105 C TEMPERATURE RATING THERMAL FUSE WIRING MUST BE REPLACED WITH UL OR...

Page 19: ...Insufficient water flow Clean filter and pump strainer Defective wiring Repair or replace wiring Defective flow valve or out of adjustment Call serviceperson Defective hi limit and or thermostat Call serviceperson Heater Makes Knocking Noises Make sure all valves on system are open Heater operating after pump has shut off Shut off gas supply and call serviceperson Heater exchanger scaled Shut off ...

Page 20: ...O T 32 31 30 34 8 36 17 33 14 10 11 12 13 16 35 1a 18 7 6 9 1 28 29 20 15 27 23 24 22 21 25 26 19 37 2 3 4 5 S P O T R E N N I o N l e d o M o N t r a P 0 5 1 4 2 0 0 7 4 0 0 2 5 2 0 0 7 4 0 5 2 6 2 0 0 7 4 0 0 3 7 2 0 0 7 4 0 5 3 8 2 0 0 7 4 0 0 4 9 2 0 0 7 4 ...

Page 21: ...A E 4 A E 5 A E 6 A E 7 4 1 r e n r u B 0 3 2 0 7 0 0 3 2 0 7 0 0 3 2 0 7 0 0 3 2 0 7 0 0 3 2 0 7 0 0 3 2 0 7 0 a 4 1 t e k c a r b t o l i p h t i w r e n r u B n w o h s t o n 1 0 5 5 0 7 4 0 5 5 0 7 4 0 5 5 0 7 4 0 5 5 0 7 4 0 5 5 0 7 4 0 5 5 0 7 4 5 1 h c t i w s e r u s s e r P 1 5 0 6 3 7 4 5 0 6 3 7 4 5 0 6 3 7 4 5 0 6 3 7 4 5 0 6 3 7 4 5 0 6 3 7 4 6 1 e t e l p m o c y s s a r e b m a h c ...

Page 22: ...6 1 7 0 6 1 3 x 2 3 0 1 w e r c S 2 9 6 5 7 0 2 9 6 5 7 0 2 9 6 5 7 0 2 9 6 5 7 0 2 9 6 5 7 0 2 9 6 5 7 0 2 1 g n i h s u B 1 5 5 0 7 0 1 5 5 0 7 0 1 5 5 0 7 0 1 5 5 0 7 0 1 5 5 0 7 0 1 5 5 0 7 0 r e p p o t s b o n k m r e h T 2 4 1 4 0 7 4 4 1 4 0 7 4 4 1 4 0 7 4 4 1 4 0 7 4 4 1 4 0 7 4 4 1 4 0 7 4 4 3 x 8 1 6 1 5 t l o B 2 5 2 7 3 7 0 5 2 7 3 7 0 5 2 7 3 7 0 5 2 7 3 7 0 5 2 7 3 7 0 5 2 7 3 7 0 ...

Page 23: ...P N 472128 Rev E 11 5 07 22 NOTES ...

Page 24: ...Installation and service must be performed by a qualified installer service agency or the gas supplier MiniMax CH 150 IID Model POOL SPA HEATERS OPERATION INSTALLATION MANUAL APPENDIX WARNING 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...

Page 25: ...TION NATURAL GAS 1 STOP Read the safety information above 2 Set the thermostat to the lowest setting 3 Turn off electric power to the heater 4 This heater is equipped with an ignition device which automatically lights the pilot Do not try to light the pilot by hand 5 Remove the control access door 6 Push in gas control knob slightly and turn clock wise to OFF 7 Wait five 5 minutes to clear out any...

Page 26: ...ane leak lighting the heater can result in a fire or explosion which can cause personal injury death and property damage WARNING 9 Replace the control access door 10 Turn on the electrical power to the heater 11 Set the thermostat to the desired setting 12 If the heater will not operate follow the instruc tions To Turn Off Gas To Heater and call your service technician or gas supplier OPERATING IN...

Page 27: ...temperature 3 Spa position This allows separate control of spa water temperature INDICATOR LIGHT DESCRIPTION The MiniMax Pool Heater provides nine status indicator lights six can be seen from the front of the control panel which help you understand the operation of the heater If something should go wrong the lights will aid in troubleshooting the problem Three additional lights can be seen after o...

Page 28: ...MV MV IG NITIO N MO DULE IND G ND VAL MV HE AT C LO SE IF NO MV THE RMO STAT RE LAY RE MO TE PRE SS TFUSE HI TE MP LIMIT SWITC HE S BRE AKE R C IRC UIT TRANSFO RME R INC O MING LINE VO LTAG E THE RMO STAT C IRC UIT BO ARD LIMIT SWITC HE S HI TE MP NO MV C LO SE IF THE RMO STAT C IRC UIT BO ARD TRANSFO RME R LINE VO LTAG E INC O MING PWR C IRC UIT BRE AKE R TSTAT RMT RE LAY THE RMO STAT RE MO TE PR...

Page 29: ...BRE AKE R TSTAT RE LAY RMT RE MO TE TRANSFO RME R THE RM INC O MING LINE VO LTAG E THE RMO STAT PWR BRE AKE R C IRC UIT TSTAT RE LAY RMT RE MO TE THE RMO STAT C IRC UIT BO ARD NO MV C LO SE IF IG NITIO N MO DULE SRVE HI TE MP LIMIT SWITC HE S HI TE MP TFUSE MV IND TFUSE G ND THE RMO STAT C IRC UIT BO ARD G AS VALVE HE AT VAL MV MV IG NITIO N MO DULE SRVE C LO SE IF NO MV HI TE MP LIMIT SWITC HE S ...

Page 30: ...8 NPT Plug Manifold Press 1 8 NPT Plug Inlet Press ELECTRICAL IID ELECTRONIC UNITS Electrical Rating 60 Hz 115 V A C or 230 V A C 50 60 Hz 208 V A C or 240 V A C Figure 6 Figure 5 Transformer Wiring Instruction Installation A 7 NOTE If any of the original wiring supplied with this heater must be replaced installer must supply No 18 AWG 105 C U L approved AWM low energy stranded copper wire or it s...

Page 31: ... R N W H T O R G 24V V LV IG N MO D U LE A U X C O N T A C T S T P R O B E S P A C O M P O O L E X T E R N A L B O N D LU G C H A S S IS T E R MIN A T E S U P P LY S A F E T Y G R O U N D W IR E G R E E N H E R E G R O U N D S C R E W W IT H P A IN T C U T T IN G W A S H E R S H E E T ME T A L IN T E R C O N N E C T IN G W IR IN G T O A P P LIA N C E MU S T C O N F O R M T O T H E N A T IO N A L E...

Page 32: ...E X T S W IT C H THE RMO STAT C IRC UIT BO ARD JUMPE R RE Q UIRE D IF NO 2 WIRE RE MO TE SWITC H PO O L O FF SPA FRO NT PANE L THE RMO STAT SE LE C T SWITC H TFUSE VALVE RE MO TE PO O L O FF SPA THE RMO STAT SE LE C T SWITC H PRE SS NOTE When connecting a remote control to the MiniMax CH you must install the low voltage thermostat wires in separate conduit from ANY line voltage wires Failure to fo...

Page 33: ...5 07 32 MINIMAX CH HEATER 150 IID MODEL H O T 32 31 30 34 8 36 37 33 14 10 11 12 13 16 35 1a 6 7 18 9 1 28 29 20 15 27 23 24 22 21 25 26 19 37 2 3 4 5 17 38 P O T R E N N I o N l e d o M o N t r a P 0 5 1 4 2 0 0 7 4 A 10 ...

Page 34: ... a N y s s a y a r t r e n r u B 1 2 5 7 3 7 0 D I I e t e l p m o c e n a p o r P y s s a y a r t r e n r u B 1 6 0 9 3 7 0 A E 2 4 1 r e n r u B 0 3 2 0 7 0 a 4 1 t e k c a r b t o l i p h t i w r e n r u B n w o h s t o n 1 0 5 5 0 7 4 5 1 h c t i w s e r u s s e r P 1 5 0 6 3 7 4 6 1 e t e l p m o c y s s a r e b m a h c n o i t s u b m o C 1 8 5 8 3 7 0 7 1 e g a t l o v l a u d r e k a e r b...

Page 35: ... H H 4 1 x 8 w e r c S 3 0 7 1 7 0 H H 2 1 x 8 w e r c S 8 9 6 1 7 0 4 1 x 6 w e r c S 6 1 7 1 7 0 4 1 x 2 3 0 1 w e r c S 9 5 6 1 7 0 6 1 3 x 2 3 0 1 w e r c S 2 9 6 5 7 0 2 1 g n i h s u B 1 5 5 0 7 0 r e p p o t s b o n k m r e h T 2 4 1 4 0 7 4 4 3 x 8 1 6 1 5 t l o B 2 5 2 7 3 7 0 a e 3 P r o N l a r u t a n r e n r u b n i a m e c i f i r O 7 2 7 3 7 0 e n a p o r p r e n r u b n i a m e c i...

Page 36: ...Rev E 11 5 07 P N 472128 35 NOTES A 13 ...

Page 37: ...ument is subject to change without notice Trademarks and Disclaimers The Pentair Pool Products logo Because reliability matters mostand MiniMax are trademarks and or registered trademarks of Pentair Water Pool and Spa Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names of their products Pentair Water Pool and Spa Inc discla...

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