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Provides guidelines for safe spa and pool water temperatures and user precautions.
Warns against improper chemical use and its potential damage to the heater.
Emphasizes that only trained and qualified personnel should install or service the unit.
Specifies minimum clearance from fossil fuel heaters to prevent combustion interference.
Details requirements for a level, sturdy base and the use of vibration isolation pads.
Instructs to ensure the base is high enough to keep the unit free from standing water.
Specifies minimum clearances from walls and obstructions for optimal airflow and service.
Mandates outdoor installation and prohibits placement in enclosed areas like sheds or garages.
Explains how recirculating discharge air reduces efficiency and specifies clearance above the unit.
Details the up-flow discharge and the required clearance above the unit for unrestricted airflow.
Stresses keeping the area around the unit clear of obstructions and chemicals for proper airflow.
Advises draining the water circuit in freezing areas to prevent damage. Refers to Freeze Protection Section.
Mandates wiring in accordance with National Electrical Code and local codes.
References NEC Article 680 for pools and Article 440 for compressor circuits.
Specifies locating the equipment disconnect means within 3 feet of the heater's electrical enclosure.
Highlights the need for awareness of up-sizing requirements for power wiring based on distance.
States that electrical installation must be performed by a licensed electrician only.
Warns that inlet and outlet connections are not interchangeable and must be connected correctly.
Instructs to connect the heater in the return water line between the filter and the pool/spa.
Directs connecting the filter outlet to the 'WATER IN' fitting at the bottom front of the unit.
Instructs to connect the 'WATER OUT' fitting to the return piping to the pool/spa.
Mandates installing shutoff valves for service and cold weather drain-down in freezing areas.
Instructs to operate the pump and check the system for leaks after making water connections.
Warns against improper installation of chemical feeders, which can damage the heater and void warranty.
Explains the function of the water pressure switch, requiring minimum 5 psi for operation.
Describes the thermostat's role in controlling pool/spa water temperature and mode selection.
Provides steps for draining the unit's water circuit to prevent freeze damage.
Explains the importance of cleaning the evaporator coil for efficient operation and how to do it.
Warns against pressure washing the fins, which can bend them and void the warranty.
Mandates shutting off electricity before cleaning the unit's cabinet.
Addresses common causes and checks for the unit running but not producing heat.
Covers checks for the unit failing to start, including power supply and settings.
Instructs to check if the Power lamp is ON and to reset the circuit breaker if it's OFF or tripped.
Provides steps to verify issues before calling for service, including checking basic settings.
Instructs to verify that all circuit breakers are reset and functioning correctly.
Illustrates plumbing for systems with pumps < 2 HP, showing heater placement after filter, before chlorinators.
Illustrates plumbing for systems with pumps ≥ 2 HP, requiring an external bypass valve.
General
