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Istruzioni per l'uso GE, Modello GP94DNSRSA

Produttore : GE
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Freeze protection may be disabled if electricity or gas is not supplied, or if there is an error preventing the water heater from functioning. NOTE: See SUPPLEMENTAL FREEZE PROTECTION on page 15. Installation Instructions CONNECTING THE WATER HEATER TO THE WATER SUPPLY Water connections to the tankless water heater should follow all state and local plumbing codes. If this is a standard installation, refer to the diagram on the following page under RECOMMENDED PIPING FOR BASIC INSTALLATION. If freeze protection valves are being installed, refer to the diagram under FREEZE PROTECTION FOR EXTERNAL PIPING on page 17. 1. Plumb water supply to the tankless water heater on the 3/4" MNPT connection at the bottom of the unit marked WATER INLET. 2. Plumb the home hot water supply to the 3/4" MNPT connection marked WATER OUTLET at the bottom of the unit. NOTE: Make sure water lines to the water heater fit in the diagram shown on page 9. This is essential if a pipe cover accessory (model number AGTPCM) is to be installed. SUPPLEMENTAL FREEZE PROTECTION If the unit is installed in an environment that can freeze, follow state and local codes and apply heat trace to ALL water pipe and fittings located outside (attic, crawl space or building structure). It is highly recommended in areas where freezing temperatures occur to install automatic drain valves that work in the event of a power loss. Refer to the diagram in the FREEZE PROTECTION FOR EXTERNAL PIPING section (page 17). These valves should be wired to a supply current. In the event of a power loss, the system will drain automatically. Be sure to test this system after installation by turning off power to ensure the system drains properly. 15 Installation Instructions RECOMMENDED PIPING FOR BASIC INSTALLATION I “ о П o“ I NOTE: If unit is installed in an environment that can freeze, follow state and local codes and apply heat trace to ALL water pipes and fittings located outside (attic, crawl space or building structure). Equipment List QTY Water Heaters 1 (Optional) 3/4" Fittings Include: Unions 2 Ball Valves 2 Drain Valves 2 Pressure Relief Valve 1 3/4" Gas Connection U 3/4" Hot Water Supply Line У Gas Supply 3/4" Cold Water Supply Line For Building Fixtures KEY k5i 3/4" Ball Valve 3/4" Union Pressure Relief Valve Boiler Drain Valve This is not an engineered drawing; it is intended only as a guide and not as a replacement for professionally engineered project drawings. This drawing is not intended to describe a complete system; it is up to the contractor/engineer to determine the necessary components for and configuration of the particular system being installed. The drawing does not imply compliance with local building code requirements; it is the engineer's/contractor's responsibility to ensure the installation is in accordance with all local building codes. Confer with local building officials before installation. 16 Installation Instructions FREEZE PROTECTION FOR EXTERNAL PIPING IMPORTANT! With electrical power supplied to the water heater, it will not freeze in environments as cold as -30°F, when protected from direct wind exposure. In the event of a power failure at temperatures below freezing, the water heater should be drained of all water to prevent freezing damage. The unit may be drained manually, or through the installation of the optional solenoid valves as shown. The unit may be drained manually; however, we highly recommend that drain-down solenoid valves be installed that will automatically drain the unit if power is lost. When the electrical power to the water heater fails, the 3/4" solenoid valve closes (stopping the flow of water into the heater) and the 1/4" solenoid valve opens (allowing the water heater and associated piping to drain). Ensure that you run the drain for the solenoids to the outside environment to prevent discharging water inside the building, which can cause water damage. NOTE: If the unit is installed in an environment that can freeze, follow state and local codes and apply heat trace to ALL water pipes and fittings located outside (attic, crawl space or building structure). NOTE: All pipes and fittings shown In the dashed boxes should be located where they will not freeze. Suggest Inside home or building structure. Vacuum Breaker Equipment List QTY Water Heaters 1 (Optional) 3/4" Fittings Include: Unions 2 Ball Valves 2 Drain Valves 2 Pressure Relief Valve 1 — 3/4" Gas Connection Gas Supply Minimum 3/4" Hot Water Supply Line 1/4" Minimum Normally Open Solenoid Valve 3/4" Minimum Normally Closed Solenoid Valve Route to Floor Drain Minimum 3/4" Cold Water Supply Line KEY i£i 3/4" Ball Valve s Pressure Regulator 3/4" Union Circulating Pump Check Valve № Boiler Drain Valve & Pressure Relief Valve ft Solenoid Valve This is not an engineered drawing; it is intended only as a guide and not as a replacement for professionally engineered project drawings. This...

Questo manuale è adatto anche per i modelli :
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