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® ™
MiniMax Plus and PowerMax
POOL & SPA HEATERS
OPERATION & INSTALLATION MANUAL
WARNING
FOR YOUR SAFETY - READ BEFORE OPERATING
Warning: 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.
To
Consumer
Retain For
Future
Reference
U.S. Patent Numbers
6,295,980
5,318,007 - 5,228,618
5,201,307 - 4,595,825
WARNING
Warning: Improper installatio
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2 Table of Contents Introduction ............................................................................................................... 3 Important Notices ...................................................................................................................................................................... 3 Warranty Information .................................................................................................................................................
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3 Introduction ® ™ MiniMax Plus and PowerMax * Pool and Spa Heaters Congratulations on your purchase of a MiniMax Plus 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 Plus is a compact, lightweight and efficient gas fired high performance pool and spa heater that can be directly connected to schedule 40 PVC pipe and has a built-in top. The MiniMax Plus, also comes
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Operation (contd.) 4 This instruction manual provides operating WARRANTY INFORMATION instructions, installation and service information for The MiniMax Plus pool heater is sold with a limited the MiniMax Plus high performance heater. The factory warranty. Specific details are described on information in this manual applies to the MiniMax the back cover of this manual and a copy of the Plus 150, 195, 200, 250, 300, 350, and 400 natural warranty and warranty registration card are gas and propane
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Operation (contd.) 5 MINIMAX PLUS ELECTRONIC IGNITION LIGHTING/OPERATION - NATURAL GAS FOR YOUR SAFETY: READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly, a fire or explosion may result causing personal injury, loss of life and property damage. Do not attempt to light the heater if you suspect a natural gas leak. Lighting the heater can result in a fire or explosion which can cause personal injury, death, and property damage. C. Use only your hand to push in or turn
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Operation (contd.) 6 MINIMAX PLUS ELECTRONIC IGNITION LIGHTING/OPERATION - PROPANE FOR YOUR SAFETY: READ BEFORE LIGHTING NOTE The MiniMax Plus propane models have special features for additional safety and protection. Read the safety instructions for natural gas (page 5) before proceeding. WARNING 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 wi
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Operation (contd.) 7 MINIMAX PLUS MILLIVOLT LIGHTING/OPERATION-NATURAL GAS & PROPANE FOR YOUR SAFETY: READ BEFORE LIGHTING WARNING 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 remain at ground level. Do not attempt to light the heater. If you suspect a propane leak, lighting the heater can result in a fire or explosion which c
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Operation (contd.) 8 OPERATING (CONTROLS) Dual Temperature Control System - (Electronic and Millivolt Models) For convenience and economy all MiniMax Plus heaters THERMOSTAT ADJUSTMENT are equipped with two thermostats on the front of the heater The knob with locking feature eliminates the need for control panel; see Figure 7. 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 temperatur
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Operation (contd.) 9 HEAT (HEAT) SERVICE (SERVICE) The heat light is on any time the thermostat has The service light is off during normal operation of signaled a call for heat which initializes the ignition heater. The light only comes on if a problem with a safety firing circuit -- the light comes on to indicate control has occurred or when the heater is first successful firing of the main burners. firing. The problem must be investigated by the serviceman prior to attempts to fire the heater
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Operation (contd.) 10 TROUBLESHOOTING (CONTROLS) - Continued SYMBOL TABLE SWITCH OR DEVICE SWITCH OR DEVICE OPEN CIRCUIT CLOSED CIRCUIT LED LIT LED OFF (BLOCK CURRENT) (PASS CURRENT) IGNITION MODULE IND GND VAL GAS VALVE TRANSFORMER INCOMING CIRCUIT HI TEMP REMOTE PRESS TFUSE MV LINE VOLTAGE BREAKER LIMIT SWITCHES MV THERMOSTAT RELAY RMT PRESS HEAT PWR TSTAT HI TEMP TFUSE MV SRVE POWER THERM CLOSE IF NO MV SERVICE AUX THERMOSTAT CIRCUIT BOARD PRESS HEATER FIRING - NORMAL OPERATION HEAT FRONT PAN
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11 Maintenance MAINTENANCE INSTRUCTIONS It is recommended that you check the following items at 3. Keep the heater area clear and free from least every six months and at the beginning of every combustibles and flammable liquids. swimming season. 1. Examine the venting system. Make sure there are no Relief Valve obstructions in the flow of combustion and ventila- In some installations, a tion air. relief valve is required 2. Visually inspect the main burner and the pilot burner on the MiniMax Plu
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Maintenance (contd.) 12 12 RULE: 7.4 to 7.6 is a desirable pH range. It is essential CHEMICAL BALANCE to maintain correct pH, see Table 2. POOL AND SPA WATER If pH becomes too high (over alkaline), it Your Pentair Pool Products pool heater was designed has these effects: specifically for your spa or pool and will give you many 1. Greatly lowers the ability of chlorine to destroy years of trouble free service provided you keep your bacteria and algae. water chemistry in proper condition. 2. Wate
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13 Installation Instructions SPECIFICATIONS IMPORTANT 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, be sure your contractor bears the appropriate license. Outdoor installation - stackless Mm odel"m A" Di "B" Di 1. 501. 7 7/8 in 6½ in TM HIGH PERFORMANCE HEATER 3
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Installation (contd.) 14 WATER CONNECTIONS Reversible Inlet/Outlet Connection The MiniMax Plus heater is factory assembled with right side inlet/outlet water connections. The inlet/ TO PUMP outlet header can be reversed for left side water POOL FILTER POOL MANUAL ISOLATION connections without removing the heat exchanger. 3 BY-PASS HEATER VALVE CHECK 1 VALVE Reversing Water Connections ISOLATION VALVE CHECK Disassembly 2 1 Optional. VALVE FROM 2 Required when installation is below water level. PO
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Installation (contd.) 15 WATER CONNECTIONS QUICK-FLANGE INSTALLATION INSTRUCTIONS Each MiniMax Plus Quick-Flange Accessory Kit contains the following items: One (1) Quick-Flange unit Two (2) 2 in. Rubber gaskets Four (4) 3/8 Bolts Four (4) 3/8 in. Washers Two (2) Plastic sleeves FOR 1½ & 2 in. SCHEDULE 40 PVC PIPE FOR 1½ & 2 in. COPPER PIPE Pipe Plastic Bushing Figure 13. Gasket/Sleeve Figure 15. Gasket 1. Insert plastic sleeves into the “Quick-Flange” inlet/outlet openings. NOTE 2. Slip the 2
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16 16 Installation (contd.) GAS CONNECTIONS Table 7. Pipe Sized For Length Of Run In Equivalent Feet 1. /2 in.3. /4 in1. in1. ¼ in1. ½in 2 in GAS LINE INSTALLATIONS NP atLtNP aLtNP aLtNP aLtNP aLtNP a L Model Before installing the gas line, be sure to 1' 0'4' 05' 01' 501' 50600 ------ 150 check which gas the heater has been -'2' 03' 08' 01' 252' 504' 50600 ---- 195/200 designed to burn. This is important -'1' 02' 05' 07' 01' 502' 505' 00600 --- 250 because different types of gas require -- 1' 0'
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DOOR Installation (contd.) 17 VENTILATION STACK TYPE OUTDOOR VENT KIT Mp odelV. ent CaP. roduct No Vent Dia OUTDOOR INSTALLATION ONLY 15 50O7 V14. 6023 6 in (See additional instructions for outdoor Power- 10 95/200O2 V24. 6022 7 in Max units in PowerMax Appendix) 25 50O3 V24. 6022 7 in For outdoor installation with built in vent top, the heater must be placed in a suitable area on a level, noncombus- 30 00O4 V34. 6022 8 in tible surface. Do not install the heater under an overhang 35 50O5 V34. 6
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18 Installation (contd.) INDOOR INSTALLATION (USA ONLY) OUTDOOR SHELTER INSTALLATION (CANADA) (See additional instructions for outdoor PowerMax units in PowerMax Appendix) All products of combustion and vent gases must Installations in basements, garages, or be completely removed to the outside atmosphere underground structures where flammable liquids through a vent pipe which is connected to the may be stored must have the heater elevated 18 draft hood. A vent pipe extension of the same inches
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Installation (contd.) 19 NOTE The heater requires two uninterrupted air supply b) Construct a non-combustible base from masonry openings; one for ventilation and one to supply blocks as illustrated, see Figure 23. oxygen for proper gas combustion. The air supply openings should be sized according to Tables 10. and 11. Air supply requirements below apply to all BASE FOR USE ON COMBUSTIBLE FLOORS MiniMax heaters, including PowerMax versions. All Air From Inside TM Air for Combustion Air Ventilatio
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Installation (contd.) 20 Draft Hood INDOOR DRAFT HOOD INSTALLATION Top Cover 1. Take out the louvered outer top piece after first removing the sheet metal screws, attaching it to Adaptor the cabinet. Screw (2 PLC's) 2. Install the adaptor (vent kit). 3. Install the top cover (vent kit). 4. Install the draft hood (vent kit). Use the provided screws to secure the vent assembly. HEATER Figure 24. Transformer Wiring Instruction ELECTRICAL, IID ELECTRONIC UNITS Electrical Rating 60 Hz 115 V.A.C. or 2
