Pentair MiniMax 75 Operation & Installation Manual

Pentair MiniMax 75 Operation & Installation Manual

Pentair aboveground pool & spa heaters
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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.
© 2007 Pentair Water Pool and Spa, Inc.
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
All rights reserved.
Compliments of www.poolsandstuff.com

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Summary of Contents for Pentair MiniMax 75

  • Page 1 Call (800) 831-7133 for additional free copies of these instructions. © 2007 Pentair Water Pool and Spa, Inc. All rights reserved. This document is subject to change without notice.
  • Page 2: Important Safety Instructions

    If you cannot reach your gas supplier, call the fire department. Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or other appliances. Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC 27330 (919) 566-8000 •...
  • Page 3 Trademarks and Disclaimers: MiniMax and the Pentair Pool Products logo are 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 or their products. Pentair Water Pool and Spa, Inc.
  • Page 4: Table Of Contents

    TABLE OF CONTENTS Introduction ............4 Codes .
  • Page 5: Introduction

    40 CPVC or ABS pipe and has a built-in top. Unless noted otherwise, all instructions refer to both the MiniMax 75 and MiniMax 100 heaters designated collectively as the "MiniMax 100". The heater features include the following features.
  • Page 6: Warranty Information

    This instruction manual provides operating instructions, installation, and service information for the MiniMax 100 high performance heater. The information in this manual applies to the MiniMax 75, and 100, natural gas and propane, DSI; and MiniMax 100 millivolt standing pilot heater models.
  • Page 7: Direct Spark Ignition Lighting/Operation - Natural & Propane

    Operation (contd.) MINIMAX 100 DIRECT-SPARK IGNITION 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.
  • Page 8: Millivolt Lighting/Operation - Natural & Propane

    Operation (contd.) 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.
  • Page 9: Operating (Controls)

    Operation (contd.) OPERATING (CONTROLS) HEATER OPERATION DIRECT SPARK ELECTRONIC AND GENERAL The MiniMax 100 DSI employs a microprocessor MILLIVOLT MODELS based Direct Spark Ignition (DSI) system to light the For convenience and economy all MiniMax 100 main burner and therefore has no pilot. The ignition heaters are equipped with a thermostat on the front of circuit operates at 24 VAC and requires that line the heater control panel;...
  • Page 10 Operation - Heater (contd.) Failure to Light- Lockout Control Fault -Diagnostic LED Conditions 1. Should the main burner fail to light, or flame is not Error Mode LED Indication detected during the trial-for-ignition (TFI) period the control will go into lockout and the valve will Internal Control Failure Steady on be turned off immediately.
  • Page 11 Operation - Heater (contd.) Flame Sensor Current Check Proper Electrode Location Flame current is the current which passes through Proper location of the ignition electrode assembly is the flame sensor to ground. The minimum flame important for optimum and safe system performance. The electrode assembly should be located as noted in current necessary to keep system from lockout is 0.7 Figure 4.
  • Page 12: Maintenance

    Maintenance MAINTENANCE INSTRUCTIONS Blue Flame 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 obstructions in the flow of combustion and ventilation air.
  • Page 13: Chemical Balance

    POOL AND SPA WATER 1. Greatly lowers the ability of chlorine to destroy Your Pentair Water Pool and Spa pool heater was bacteria and algae. designed specifically for your spa or pool and will give 2. Water becomes cloudy.
  • Page 14: Installation Instructions

    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.
  • Page 15: Plumbing Connections

    MiniMax 100 to installed below water level of a spa or pool, insure conformity with Pentair Water Pool and Spa adjustment of the pressure switch may be required. recommended CPVC/ABS plumbing procedure; see Figure For adjustment of pressure switch, we recommend 7.
  • Page 16: Water Connections

    Installation (contd.) WATER CONNECTIONS QUICK-FLANGE II INSTALLATION INSTRUCTIONS FOR 1½ SCHEDULE 40 CPVC or ABS PIPE or SCHEDULE 80 PVC (you may adapt to SCH 40 PVC 12 inches beyond the Quick Flange II) (1½ in. npt x 1½ in. CPVC/ABS slip male adaptor may be required ) Figure 10.
  • Page 17: Gas Connections

    PSIG). The heater and its gas connection must be leak tested before placing the heater in operation. Do not use PENTAIR WATER POOL AND SPA flame to test the gas line. Use soapy water or another nonflammable method. GAS PRESSURE SETTINGS* A manual main shutoff valve must be installed external to the heater.
  • Page 18: Ventilation

    Installation (contd.) VENTILATION OUTDOOR INSTALLATION 6 in. This heater is certified by International Approval Services (AGA & CGA) for outdoor installation. If the heater is installed in very cold areas proper precautions are needed for freeze protection. The 6 in. 24 in.
  • Page 19: Indoor Installation

    Installation - Ventilation (contd.) INDOOR INSTALLATION NOTE The installation of venting system should conform with The heater requires two uninterrupted air the latest edition of ANSI Z223.1, the National Fuel supply openings; one for ventilation and one to Gas Code, and/or in Canada, CAN/CGA-B149.1 or .2 supply oxygen for proper gas combustion;...
  • Page 20: Vent Test

    Installation - Ventilation (contd.) VENT TEST the terminal block located inside the junction box before removing the cord and strain relief from the Use the following steps to cabinet. The heater may be hard wired with either 120 perform a quick check of or 240 VAC - to convert to 240 VAC, change the your venting installation.
  • Page 21: Electronic Direct Spark Ignition Wiring Diagram

    Installation (contd.) MiniMax 100 Electronic Direct Spark Ignition Wiring Diagram MiniMax 100 ELECTRONIC WIRING DIAGRAM MODULE IF ORIGINAL FACTORY WIRING MUST BE REPLACED, INSTALLER MUST SUPPLY UL OR CSA (IF CANADA) APPROVED WIRE, 18 GAUGE, 600V, 150˚ C TEMPERATURE RATING. THERMAL FUSE WIRING MUST BE REPLACED WITH UL OR CSA (IF CANADA) APPROVED WIRE, 18 GAUGE, 600V, 150˚...
  • Page 22: Troubleshooting - General

    TROUBLESHOOTING - GENERAL Possible Cause Remedy Heater will not come on Automatic ignition system fails Check if electrical connections are correct and securely fastened – If YES, call serviceman. Pump not running Place pump in operation Pump air locked Check for leaks Filter dirty Clean filter Pump strainer clogged...
  • Page 23: Parts List & Exploded View

    ITEM DESCRIPTION QTY. PARTS LIST Indoor Draft Hood Kit consisting of: 471187 Indoor Draft Hood (471198) and items 2 & 3 Outdoor Top 471213 Indoor Top (Cover) 471075 Indoor Stack Adaptor 471214 Middle Top 471069 Flue Collector 471059 Return Header 471096 Bolt 3/8 x 16 UNC x 3/4 471200...
  • Page 24 EXPLODED VIEW Rev. H 10-16-07 P/N 471105 Compliments of www.poolsandstuff.com...
  • Page 25 SAVE THESE INSTRUCTIONS. © 2007 Pentair Water Pool and Spa, Inc. All rights reserved. This document is subject to change without notice. 1620 Hawkins Ave., Sanford, NC 27330 (919) 566-8000 • 10951 West Los Angeles Ave., Moorpark, CA 93021 (805) 553-5000 •...

This manual is also suitable for:

Minimax 100

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