ETi 250 High Efficiency Pool and Spa Heater Installation and User’s Guide
6
Warning and Safety Instructions
SAFETY INFORMATION (continued)
WARNING — Risk of fire or explosion from incorrect fuel use. Do not try to run a heater set up for natural gas on propane
gas or vice versa. Only qualified service technicians should attempt to convert heater from one fuel to the
other. Do not attempt to alter the rated input or type of gas by changing the orifice. If it is necessary to convert
to a different type of gas, consult your Pentair dealer. Serious malfunction of the burner can occur which may
result in loss of life. Any additions, changes, or conversions required in order for the appliance to satisfactorily
meet the application needs must be made by a Pentair dealer or other qualified agency using factory specified
and approved parts. The heater is available for use with natural gas or propane gas only. It is not designed to
operate with any other fuels. Refer to the nameplate for the type of gas the heater is equipped to use.
• Use heater only with the fuel for which it is designed.
• If a propane gas conversion is necessary, this MUST be done by a qualified professional service
technician qualified in pool heater installation or by qualified gas supplier before the heater is operational.
WARNING — Risk of fire or explosion from flammable vapors. Do not store gasoline, cleaning fluids, varnishes, paints, or other
volatile flammable liquids near heater or in the same room with heater.
WARNING — Risk of explosion if unit is installed near propane gas storage. Propane gas is heavier than air. Consult
local codes and fire protection authorities about specific installation requirements and restrictions. Locate the
heater away from propane gas storage and filling equipment as specified by the Standard for the Storage and
Handling of Liquefied Petroleum Gases, CAN/CSA B149.2 (latest edition) or ANSI/NFPA 58 (latest edition).
WARNING — Risk of fire, carbon monoxide poisoning, or asphyxiation if exhaust venting system leaks. Only qualified
service technicians should attempt to service the heater, as leakage of exhaust products or flammable gas may
result from incorrect servicing.
WARNING — Risk of asphyxiation if exhaust is not correctly vented. Follow venting instructions exactly when installing
heater. Do not use a draft hood with this heater, as the exhaust is under pressure from the burner blower and
a draft hood will allow exhaust fumes to blow into the room housing the heater. The heater is supplied with an
integral venting system for indoor installation. Canada: In Canada, this pool heater can only be installed
outdoors or in an enclosure that is not normally occupied and has no openings directly into occupied areas.
See Page 27 - 29 for enclosure venting requirements.
CAUTION — Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and
dangerous operation. Wiring errors can also destroy the control board.
• Connect heater to 120 or 240 Volt, 60 Hz., Single Phase power only.
• Verify proper operation after servicing.
• Do not allow children to play on or around heater or associated equipment.
• Never allow children to use the pool or spa without adult supervision.
DANGER
CARBON MONOXIDE GAS IS DEADLY – Exhaust from this pool heater contains toxic levels of carbon monoxide, a dangerous,
poisonous gas you cannot see or smell.
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