Assessments - 4, GPA: 4 ( )

Fabricante : American International Arquivo Tamanho: 5.08 mb Arquivo Nome : Língua de Ensino:

• Line properly sloped to adequate drain or approved condensate pump. • Properly vented. • Protected from freezing (if required). Vent Pipe System • Vent pipe and fittings of approved material. • Acceptable size, length, and number of elbows on air inlet pipe. • Acceptable size, length, and number of elbows on exhaust outlet pipe. • Add the air inlet filter per the manufacturer’s instruction. • Installed in accordance with prevailing provisions of Local codes, or in the absence of such, National Fuel Gas Code, NFPA 54, ANSI Z223.1-Latest Edition. Canadian Installations must be performed in accordance with CAN/CGA-B149. • All 2” horizontal piping sloped down toward the water heater at 1/4” per foot. 3” piping sloped down towards the heater at 1/8” per foot. • Not obstructed in any way. Vent Termination Horizontal • Correct relationship - outlet to inlet. • 12” Min. above grade/snow level. • 2” exhaust outlet/air inlet pipe sloped down towards water heater at 1/4” per foot. 3” piping sloped down towards the heater at 1/8” per foot. • Away from corners, other vents, windows, etc. Alternate Horizontal • Correct relationship - outlet to inlet. • 12” Min. above anticipated snow level. • 2” exhaust outlet/air inlet pipe sloped down towardswater heater at 1/4” per foot. 3” piping sloped downtowards the heater at 1/8” per foot. • Away from corners, other vents, windows, etc. Vertical • Inlet - 12” Min. above roof/snow level. • Correct relationship - outlet to inlet. • Away from corners, other vents, windows, etc. Concentric • 12” Min. above grade/snow level. • 2” exhaust outlet/air inlet pipe sloped down towards water heater at 1/4” per foot. 3” piping sloped down towards the heater at 1/8” per foot. • Away from corners, other vents, windows, etc. Water System Piping • Temperature and pressure relief valve properly installed with a discharge line run to an open drain and protected from freezing. • All piping properly installed and free of leaks. • Heater completely filled with water. • A properly sized expansion tank must be installed on all closed systems. • A tempering valve (provided) must be installed per the manufacturer’s instructions. Gas Supply and Piping • If using a flexible gas connector, make sure its rating tag matches or exceeds the input of the water heater. • Adequate pipe size and of approved material. • Gas supply is the same type as listed on the water heater data plate. • Gas line equipped with full opening shut-off valve, union and drip leg. • Approved pipe joint compound used. • Chloride-free soap and water solution or other approved means used to check all connections and fittings for possible gas leaks. Electrical Connections • Unit connected to a dedicated power supply. • Unit connected to a 120V electrical supply. • Proper polarity. • Water heater properly grounded. • Installed in accordance with prevailing provisions of local codes, or in the absence of such, National Fuel Gas Code, NFPA 54, ANSI Z223.1-Latest Edition. Canadian installations must be performed in accordance with CAN/CGA-B149. OPERATING YOUR WATER HEATER Read and understand these directions thoroughly before attempting to operate the water heater (see Operating Instructions on page 25). Check the data plate on the front of the water heater for the correct gas. Do not use this water heater with any gas other than the one listed on the data plate. If you have any questions or doubts, consult your gas supplier or gas utility company. L.P. (Propane) Models Propane gas is heavier than air and in the occurrence of a leak in the system, the gas will settle on the floor level. Basements, crawl spaces, skirted areas under mobile homes (even when ventilated), closets and areas below ground level will serve as pockets for the accumulation of gas. Before lighting a propane gas water heater, smell all around the appliance at floor level. If you smell gas, follow the instructions as given in the warning on the front page. When your propane tank runs out of fuel, turn off the gas at all gas appliances including pilot lights. After the tank is refilled, all appliances must be re-lit according to their manufacturer’s instructions. Water Heater Operation This appliance does not have a pilot light. It is equipped with an electronic ignition that automatically lights the burner. There are three lights to indicate the various stages of operation; Green = Electrical power is on, Yellow = Thermostat is calling for heat, which signals the beginning of the ignition sequence (see figure 21), and Red = Ignition control is signaling the gas valve to open. Figure 21: Sequence of Operation When the thermostat calls for heat, the blower will run for 6 seconds to purge the system of any accumulated gas or air. The hot surface igniter will heat up for 35 seconds. The blower will turn on and the gas valve open, forcing the air and gas mixture across the hot surface igniter, causing the burner to light. The hot surface igniter will turn off and act as an elec...

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