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Resumen del manual
This product must be installed by qualified HVAC and electrical contractors and in compliance with local, state, federal, and governing codes. Improper installation can cause property damage, severe personal injury, or death as a result of electric shock, burns, or fire. Read all cautions and instructions. Read this manual before performing service or maintenance procedures on any part of the system. Failure to follow all cautions and instructions could produce the hazardous situations described, resulting in property damage, personal injury, or death. Failure to follow the instructions in this manual can cause moisture to accumulate, which can cause damage to structure and furnishings. CAUTION HOT SURFACES AND HOT wATER This steam humidification system has extremely hot surfaces. Water in steam canister, steam pipes, and dispersion tube can be as hot as 212°F (100°C). Discharged steam is not visible. Contact with hot surfaces, discharged hot water, or air into which steam has been discharged can cause severe personal injury. To avoid severe burns, follow procedures in this manual when performing service or maintenance procedures on any part of the system. DISCONNECT ELECTRICAL pOwER Disconnect electrical power before installing supply wiring or performing service or maintenance procedures on any part of the humidification system. Failure to disconnect electrical power could result in fire, electrical shock, and other hazardous conditions. These hazardous conditions could cause property damage, personal injury, or death. Contact with energized circuits can cause property damage, severe personal injury, or death as a result of electrical shock or fire. Do not remove access panels until electrical power is disconnected. Follow the shutdown procedure in this manual before performing service or maintenance procedures on any part of the system. ELECTRICAL SHOCk HAzARD If the humidifier starts up responding to a call for humidity during maintenance, severe bodily injury or death from electrical shock could occur. Follow the procedures in this manual before performing service or maintenance procedures on this humidifier. ExCESSIVE SUppLy wATER pRESSURE Supply water pressure greater than 120 psi may cause the humidifier to overflow. SHARp EDGES Sharp edges may cause serious injury from cuts. Use care when cutting plenum openings and handling ductwork. ExCESS HUMIDITy Do not set humidity higher than recommended. Condensation may cause damage. - 2 -- 3 - 4 - - 5 - The Aprilaire® Model 800 Canister Steam Humidifier delivers humidity in the form of steam to the conditioned space via the HVAC system duct or optional Aprilaire Model 850 Fan Pack. The humidifier generates steam by energizing two electrodes that extend into a canister of water. Current flowing between the electrodes causes the water to boil, creating steam. Water is introduced to the humidifier through a fill valve to a fill cup located in the top of the cabinet. The fill cup serves as an overflow reservoir and provides an air gap between the humidifier and water source. The steam canister is filled from the bottom. The canister is seated in a drain cup assembly which includes a drain valve. The drain and fill valves work together to maintain water level in the canister to deliver the rated steam capacity based on the electrical conductivity of the water and to temper drain water. See Figure 1 for representation of fill and drain system and canister. Steam is delivered into the airstream through a dispersion tube mounted in the HVAC system ductwork. Openings in the dispersion tube are fitted with “tubelets” which extend into the center of the tube. The design of the dispersion tube and tubelets distribute steam over a wide area in the duct and direct any condensed moisture back into the steam hose. PRINCIPLES OF OPERATION Figure 1 – Fill and Drain System and Canister 90-1522 Steam Outlet Drain Supply Water Drain Cup Drain Valve Canister Electrodes High Water Level Sensor Flow Control Orifice Inlet Fill Valve Overflow Fill Fill Cup Thank you for your recent Aprilaire® humidifier purchase. We appreciate your business and are pleased to add your name to our growing list of customers. You have invested in the highest quality equipment available. Aprilaire manufactures whole-house indoor air quality products and is a recognized leader in the heating and air conditioning industry. Your humidifier will require periodic maintenance to assure continued consistent performance. See page 14. Now, please take a few minutes and read this booklet. This will familiarize you with the benefits you will receive from the equipment you just purchased and help you understand the routine maintenance that will be required. Be sure to register your humidifier warranty online at: INTRODUCTION Genuine Aprilaire Replacement Model 80 Steam Canisters are available from your installing contractor or from most other heating and air conditioning contractors in ...