Raypak E3T Series Installation And Operation Manual
Also see for E3T Series: Installation and operation manual
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55. BEFORE INSTALLATIONPlease read these instructions thoroughly and completelybefore installation and before use. Failure to do so couldcause property damage or serious personal injury or deathand void your warranty.By installing this product, you acknowledge the terms ofthe manufacturer's warranty and your Authorized Dealer'sreturn policies. The heaters that have been installedcannot be returned. If you have any questions regardingthe warranty or product return policies, please consultyour Authorized Dealer prior to installation.Open the box and carefully unpack the heater. Inspect allcomponents.• Electrical Heater• Installation and Operation Manual6. INSTALLATIONThe heaters are designed for indoor and outdoor use.All units must be mounted on a level base parallel to theground. Secure the unit to the base with screws (notprovided).CAUTION: Combustible materials should be kept at least24" (610 mm) away from the heater.Recommended Clearances:TOP: 18" (457 mm)SIDES: 6" (152 mm) away from your heater and the outlethot water pipe.7. WATER CONNECTIONPlease follow all plumbing instructions carefully. Thisproduct must be installed by a licensed and qualifiedplumber in accordance with all applicable national, state,provincial, and local plumbing codes.IMPORTANT: When preparing the connections going tounit, make sure you do not use glue or putty. Any glueor putty going into the unit will damage the flow sensorpermanently. Prior to the final connections to the unit,flush all the lines to clear any debris.NOTE: When using two-speed pumps, do not installa gate valve on the inlet. No shut-off valves are to beinstalled in the piping between the spa heater outlet andthe spa. If using an in-line chlorinator, a check valvemust be used. Any chlorinator valves that can causereturn line blockage will VOID the warranty.• Spa/pool heater must be installed after installation ofthe filter.• Spa models (ELS 0005 and 0011) are supplied with1-1/2" NPT inlet and outlet plumbing connections.• Pool models (ELS 0018 and 0028) are supplied with2" NPT inlet and outlet plumbing connections.• All models are rated 240V single phase.• Units are flow activated.• No Hartford loop is required.After tightening both fittings at the water heater, start thepump to allow water to run through the spa/pool heater forat least 5-10 minutes. This process purges all the air fromthe water lines and must be performed prior to turning onthe power at the unit.CAUTION: Failure to follow this step can cause permanentdamage to the heating elements.When any maintenance is performed on the spa/pool thatmay introduce air into the plumbing pipes, it is importantto turn the power off to the spa/pool heater and purge theair out of the lines before allowing the unit to power up.Dry-Firing of ElementsDry-firing of elements is caused by water voids when poweris on. All air must be purged from the system before anyheat start-up. It is important to purge all air after cleaningor changing a cartridge filter. The filter casing acts as anair reservoir during this procedure, the circulation systemmust be on for at least two (2) minutes before you turnpower on to this unit.The heater must have an adequate flow of water forproper operation. Adequate water flow removes the heatproduced by the heater and transfers the heat to the spa/pool and prevents overheating. Low water flow usuallyresults from dirty filter or improperly adjusted manualbypass.The heater is designed to run at a minimum flow rate of15 gpm and maximum of 60 gpm. A manual bypass valveis needed when the flow rate exceeds 60 gpm.Unit will not energize elements if the water flow is under15 gpm. Once 15 gpm has been established, the heatingelements will energize 1 minute after flow is configured.This is to make sure the tank is completely filled with waterand any air in the tank has had time to escape.CAUTION: The unit's supporting base must be highenough to keep completely free of standing water at alltimes. |
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