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Rev. G 1-22-04 P/N 471048
3
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 equipped with
PurexTriton’s nine function indicator lights (electronic ignition only) which show, at a glance, the proper functioning
of the heater. All electronic ignition MiniMax Plus heaters are designed with an intermittent ignition device (IID)
which eliminates the need for a standing pilot. The electronic ignition MiniMax Plus requires is an external power
source (120 VAC or 240 VAC) 50/60 Hz to operate. The millivolt MiniMax Plus has a self sustaining pilot and
requires NO external power source.
All MiniMax and PowerMax pool and spa heaters are year 2000 compliant.
*Unless noted otherwise, any references to the MiniMax Plus include the PowerMax (Induced Draft)
models. The wiring and venting of the PowerMax is covered in an appendix to this manual.
IMPORTANT NOTICES
...For the installer and operator of the MiniMax Plus pool and spa heater. The manufacturer’s warranty may be void
if, 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 to this pool heater, please contact
Pentair Pool Products, Inc. at (800) 831-7133.
These heaters are designed for the heating of swimming pools and spas, and should never be employed for use as
space heating boilers, general purpose water heaters, in non-stationary installations, or for the heating of salt water.
CAUTION
OPERATING THIS HEATER CONTINUOUSLY AT WATER TEMPERATURE BELOW 68° F. WILL CAUSE
HARMFUL CONDENSATION AND WILL DAMAGE THE HEATER AND WILL VOID THE WARRANTY.
Do not use the heater to protect pools or spas from freezing if the final maintenance temperature desired is
below 68° F. as this will cause condensation related problems.
CODE REQUIREMENTS
The installation must conform with local codes or in the absence of local codes with the latest National Fuel Gas
Code, ANSI Z223.1, and the latest edition of the National Electrical Code, NFPA 70.
Installation in Canada to be made in accordance with the latest CAN/CGA-B149.1 or .2 and CSA C22.1 Canadian
Electric Code, part 1.
Introduction