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Pentair CH manual

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Table of contents for the manual

  • Page 1

    Rev . B 1-17-03 P/N 472128 1 1 FOR YOUR SAFETY - READ BEFORE OPERA TING W arning: If you do not follow these instructions exactly , a fire or explosion may result, causing property damage, personal injury or loss of life. For additional free copies of this manual; call (800) 831-7133. Do not store or use gasoline or other flammable vapors and liqui[...]

  • Page 2

    P/N 472128 Rev . B 1-17-03 2 T able of Contents Introduction ............................................................................................................... 3 Important N otices .............................................................................................................. .............................................[...]

  • Page 3

    Rev . B 1-17-03 P/N 472128 3 MiniMax CH Pool and Spa Heaters Congratulations on your purchase of a MiniMax CH high performance heating system. Proper installation and service of your new heating system and correct chemical maintenance of the water will ensure years of enjoyment. The MiniMax CH is a compact, lightweight and efficient gas fired high [...]

  • Page 4

    P/N 472128 Rev . B 1-17-03 4 Operation This instruction manual provides operating instructions, installation and service information for the MiniMax CH high performance heater . The information in this manual applies to the MiniMax CH 150, 200, 250, 300, 350, and 400 natural gas and propane (LP) models. It is very important that the owner/installer[...]

  • Page 5

    Rev . B 1-17-03 P/N 472128 5 Operation (contd.) FOR YOUR SAFETY : READ BEFORE LIGHTING A. This heater is equipped with a pilot which must be lighted manually . When lighting the pilot, follow these instructions exactly . B. BEFORE LIGHTING smell all around the heater area for gas. Be sure to smell next to the floor because some gas is heavier than [...]

  • Page 6

    P/N 472128 Rev . B 1-17-03 6 Knob Stopper Screw A OPERA TING (CONTROLS) Dual T emperature Control System Operation (contd.) For convenience and economy all MiniMax CH heaters are equipped with two thermostats on the front of the heater control panel; see Figure 5. THERMOST A T KNOB STOPPER Each thermostat is equipped with a mechanical stop that can[...]

  • Page 7

    Rev . B 1-17-03 P/N 472128 7 MAINTENANCE INSTRUCTIONS It is recommended that you check the following items at least every six months and at the beginning of every swimming season. 1. Examine the venting system. Make sure there are no ob- structions in the flow of combustion and ventilation air . 2. V isually inspect the main burner and the pilot bu[...]

  • Page 8

    P/N 472128 Rev . B 1-17-03 8 CHEMICAL BALANCE POOL AND SP A W A TER Y our Pentair Pool Products pool heater was designed specifically for your spa or pool and will give you many years of trouble free service provided you keep your water chemistry in proper condition. Three major items that can cause problems with your pool heater are improper pH, d[...]

  • Page 9

    Rev . B 1-17-03 P/N 472128 9 Installation Instructions IMPOR T ANT NOTICE: These installation instructions are designed for use by qualified personnel only , trained especially for installation of this type of heating equipment and related components. Some states require installation and repair by licensed personnel. If this applies in your state, [...]

  • Page 10

    P/N 472128 Rev . B 1-17-03 10 PUMP FILTER POOL HEATER CHECK VALVE MANUAL BY-PASS ISOLATION VALVE ISOLATION VALVE TO POOL CHECK VALVE FROM POOL 2 1 3 S P A T E M P H O T P O O L T E M P C O L D O F F S P A P O O L T H E R M O S T A T S E L E C T H O T C O L D Installation (contd.) Figure 10. Optional. Required when installation is below water level.[...]

  • Page 11

    Rev . B 1-17-03 P/N 472128 11 W A TER CONNECTIONS Reversible Inlet/Outlet Connection The MiniMax CH heater is factory assembled with right side inlet/outlet water connections. The inlet/ outlet header can be reversed for left side water connections without removing the heat exchanger . Reversing W ater Connections Disassembly T ools needed: 1/4 in [...]

  • Page 12

    P/N 472128 Rev . B 1-17-03 12 Pipe Sized For Length Of Run In Equivalent Feet T able 7. S N O I T C E N N O C E N I L S A G R O F G N I Z I S E P I P H T G N E L E P I P T N E L A V I U Q E M U M I X A M 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 [...]

  • Page 13

    Rev . B 1-17-03 P/N 472128 13 Installation (contd.) PROP ANE 2 ST AGE REGULA TION In many “RESIDENTIAL” Pr opane gas line installations, the gas supplier and or installer will utilize a two stage r egulation pr ocess wher e by at the supply tank they will install the first stage gas r egulator , which would be at a higher pressur e, usual ly 10[...]

  • Page 14

    P/N 472128 Rev . B 1-17-03 14 24" DOOR 18" 6" 6" VENTILA TION OUTDOOR INST ALLA TION ONL Y For outdoor installation with built in vent top, the heater must be placed in a suitable area on a level, noncombustible surface. Do not install the heater under an overhang with clearances less than 3 feet from the top of the heater . The[...]

  • Page 15

    Rev . B 1-17-03 P/N 472128 15 INDOOR INST ALLA TION (USA ONL Y) OUTDOOR SHEL TER INST ALLA TION (CANADA) All products of combustion and vent gases must be completely removed to the outside atmosphere through a vent pipe which is connected to the draft hood. A vent pipe extension of the same size must be connected to the draft hood and extended at l[...]

  • Page 16

    P/N 472128 Rev . B 1-17-03 16 SHEET METAL BLOCKS HOLLOW MASONARY BLOCKS, NOT LESS THAN 4" THICK (LAID WITH ENDS UNSEALED AND JOINTS MATCHED FOR AIR CIRCULATION). COVER BLOCKS WITH 24 GA. (MIN.) GALVANIZED SHEET METAL. H I G H P E R F O R M A N C E H E A T E R 6" Min. 6 " M in . TM BASE FOR USE ON COMBUSTIBLE FLOORS H O T S P A T E M [...]

  • Page 17

    Rev . B 1-17-03 P/N 472128 17 Installation (contd.) 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 follow these instructions will cause the thermostat relay to react erratically . . Figure 19. ELECTRICAL MiniMax CH Millivolt Wiri[...]

  • Page 18

    P/N 472128 Rev . B 1-17-03 18 Possible Cause Remedy Heater will not come on Pump not running Place pump in operation Pump air locked Check for leaks Filter dirty Clean filter Pump strainer clogged Clean strainer Defective wiring or connection Repair or replace wires Defective pressure switch Replace switch Defective gas controls Call serviceperson [...]

  • Page 19

    Rev . B 1-17-03 P/N 472128 19 MINIMAX CH HEA TER - ALL MODELS H 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 14 2 0 0 7 4 0 0 25 2 0 0 7 4 0 5 26 2 0 0 7 4 0 0 37 2 0 0 7 4 0 5 38 2 0 0 7 4 0 0 49 2 0 0 7 4[...]

  • Page 20

    P/N 472128 Rev . B 1-17-03 20 MiniMax CH Parts List M E T I N O I T P I R C S E D Y T Q 0 5 1 0 0 2 0 5 2 0 0 3 0 5 3 0 0 4 1) r o o d n i ( . y s s a t i k t n e V1 7 2 2 0 6 4 8 2 2 0 6 4 0 3 2 0 6 4 1 3 2 0 6 4 3 3 2 0 6 4 4 3 2 0 6 4 a 1) r o o d t u o ( . y s s a t i k t n e V1 7 3 2 0 6 4 2 2 2 0 6 4 3 2 2 0 6 4 4 2 2 0 6 4 5 2 2 0 6 4 6 2 2 [...]

  • Page 21

    Rev . B 1-17-03 P/N 472128 21 MiniMax CH Parts List, contd. M E T I N O I T P I R C S E D Y T Q 0 5 1 0 0 2 0 5 2 0 0 3 0 5 3 0 0 4 1 3r o t c e l l o c e u l F1 4 6 8 3 7 0 2 2 6 5 7 0 3 6 8 3 7 0 3 2 6 5 7 0 4 2 6 5 7 0 2 6 8 3 7 0 2 3. y s s a p o t r o o d t u O1 1 7 4 0 7 4 2 7 4 0 7 4 3 7 4 0 7 4 4 7 4 0 7 4 5 7 4 0 7 4 6 7 4 0 7 4 3 3) y l n[...]

  • Page 22

    P/N 472128 Rev . B 1-17-03 22 NOTES[...]

  • Page 23

    Rev . B 1-17-03 P/N 472128 23 1 FOR YOUR SAFETY - READ BEFORE OPERA TING W arning: If you do not follow these instructions exactly , a fire or explosion may result, causing property damage, personal injury or loss of life. For additional free copies of this manual; call (800) 831-7133. Do not store or use gasoline or other flammable vapors and liqu[...]

  • Page 24

    P/N 472128 Rev . B 1-17-03 24 Operation FOR YOUR SAFETY : READ BEFORE LIGHTING A. This heater is equipped with an ignition device which automatically lights the pilot. Do not try to light the pilot by hand. B. BEFORE OPERA TING smell all around the heater area for gas. Be sure to smell next to the floor because some gas is heavier than air and will[...]

  • Page 25

    Rev . B 1-17-03 P/N 472128 25 Operation (contd.) FOR YOUR SAFETY : READ BEFORE LIGHTING NOTE The MiniMax CH propane models have special features for additional safety and protection. Read the safety instructions for natural gas (page A-2) before proceeding. MINIMAX CH (150 IID) ELECTRONIC IGNITION LIGHTING/OPERA TION - PROP ANE 1. STOP! Read the sa[...]

  • Page 26

    P/N 472128 Rev . B 1-17-03 26 Knob Stopper Screw A OPERA TING (CONTROLS) Dual T emperature Control System - (Electronic and Millivolt Models) Operation (contd.) For convenience and economy all MiniMax CH heaters are equipped with two thermostats on the front of the heater control panel; see Figure 3. Figure 3. Figure 4. THERMOST A T KNOB STOPPER Ea[...]

  • Page 27

    Rev . B 1-17-03 P/N 472128 27 Operation (contd.) HEA T (HEA T) The heat light is on any time the thermostat has signaled a call for heat which initializes the ignition safety firing circuit -- the light comes on to indicate successful firing of the main burners. SER VICE (SER VICE) The service light is off during normal operation of heater . The li[...]

  • Page 28

    P/N 472128 Rev . B 1-17-03 28 TROUBLESHOOTING (CONTROLS) - Continued Operation (contd.) PRESS PRESS HEATER FIRING - NORMAL OPERATION NOTE: SERVICE LED LIT FLAGS PROBLEM, TFUSE LED OFF SHOWS PROBLEM PRESS PRESS THERMOSTAT CALLING FOR HEAT - BLOWN THERMAL FUSE BLOCKS FIRING FRONT PANEL LEDS HEAT PRESS AUX SERVICE TRANSFORMER THERM POWER INCOMING LINE[...]

  • Page 29

    Rev . B 1-17-03 P/N 472128 29 REGULA TED MANIFOLD PRESSURE TEST 1. Attach the manometer to the heater jacket. 2. Shut off the main gas valve. 3. Remove 1/8 in. NPT plug on the outlet side of the valve and screw in the fitting from the manometer kit. 4. Connect the manometer hose to the fitting. 5. Fire the heater . 6. The manometer must read 4 in. [...]

  • Page 30

    P/N 472128 Rev . B 1-17-03 30 Installation (contd.) RED WHT BLU MV PV/MV PV GAS VALVE MV/PV GND (BURNER) 24 V TH-W ( OPT ) SPARK THERMOSTAT CIRCUIT BOARD SPST. EXTERNAL ON/OFF SWITCH HIGH LIMIT THERMAL SWITCHES WATER PRESSURE SWITCH JUMPER REQUIRED IF NO REMOTE SWITCH CONTROL RELAY CLOSE ON CALL FOR HEAT POOL OFF SPA THERMOSTAT SELECT SWITCH TEMPER[...]

  • Page 31

    Rev . B 1-17-03 P/N 472128 31 Installation (contd.) SPA COM POOL TPROBE OUT RETURN 24 VAC HILMT IGNITION MOD EXT SWITCH THERMOSTAT CIRCUIT BOARD JUMPER REQUIRED IF NO 2 WIRE REMOTE SWITCH POOL/OFF/SPA FRONT PANEL THERMOSTAT SELECT SWITCH TFUSE VALVE PRESS SPA COM POOL TPROBE OUT RETURN 24 VAC HILMT IGNITION MOD EXT SWITCH THERMOSTAT CIRCUIT BOARD J[...]

  • Page 32

    P/N 472128 Rev . B 1-17-03 32 MINIMAX CH HEA TER - 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 14 2 0 0 7 4 A-10[...]

  • Page 33

    Rev . B 1-17-03 P/N 472128 33 MiniMax CH Parts List - 150 IID Model M E T I N O I T P I R C S E D Y T Q 0 5 1 1) r o o d n i ( . y s s a t i k t n e V1 7 2 2 0 6 4 a 1) r o o d t u o ( . y s s a t i k t n e V1 7 3 2 0 6 4 2r e d a e h n r u t e R1 4 9 9 0 7 0 3r e g n a h c x e t a e h , t l o B6 11 9 9 1 7 4 4D O " 1 D I " 8 / 3 r e h s [...]

  • Page 34

    P/N 472128 Rev . B 1-17-03 34 MiniMax CH Parts List - 150 IID Model, contd. M E T I N O I T P I R C S E D Y T Q 0 5 1 1 3r o t c e l l o c e u l F1 4 6 8 3 7 0 2 3. y s s a p o t r o o d t u O1 1 7 4 0 7 4 3 3) y l n o s t i n u s a G e n a p o r P ( d l e i h s k c a b t h g i L1 3 8 7 5 7 0 4 3 s a G l a r u t a N e l u d o M1 4 8 5 3 7 0 s a G e[...]

  • Page 35

    Rev . B 1-17-03 P/N 472128 35 NOTES A-13[...]

  • Page 36

    P/N 472128 Rev . B 1-17-03 36 40 MiniMax ® CH Heaters Limited W arranty Y our MiniMax CH pool heater is another quality product from Pentair Pool Products, Inc. and is backed by the following warranty . 1. The following parts are warranted for 5 years from date of purchase: The MiniMax CH cabinet and combustion chamber , the main burners and burne[...]