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Фрагмент инструкции
They may be installed in a vertical or horizontal section of a typical return-air duct system. These air cleaners are easily field-converted from right- to left-hand units. Cabinets are designed to support up to 400 pounds when used in under-the-furnace applications. SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory authorized kits or accessories when modifying this product. Refer to the individual instructions packaged with the kits or accessories when installing. Follow all safety codes. Wear safety glasses aij Use quenching cloth for brazing operations, guisher available. Read these instructions thoi| low all warning or cautions attached to the uns building codes and National Electrical Code (NEC) for special requirements. It is important to recognize safety inf safety-alert symbol A. When you see this and in instructions or manuals, be alert to the pot sonal injury. Understand the signal word—DANGER, WARNING, or CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards that could result in personal injury or death. CAUTION is used to identify unsafe practices, which would result in minor personal injury or product and property damage. CABINET The cabinet includes an electrical junction box and a power safety interlock, and houses the air cleaner components. These components are: 1. 2. Mechanical prefilters—Expanded aluminum mesh first-stage filter that removes lint and larger dust particles. Cell assemblies—Cells consist of combined ionizer and collector. Ionizer part of cell has tungsten wires (that receive positive charge) mounted between grounded aluminum channels, and supported by glazed ceramic insulators. Fig. 1—Model 31KAX Collector part of cell consists of alternately charged collector plates. The electronic air cleaner components are (see Fig. 3): 1. A power door assembly. 2. TWo prefilters. . 3. A cabinet containing two air-cleaning cell assemblies. 4. A parts bag including: electrical bushings, plug buttons, wire chase and airflow label. Power Door Assembly The power door assembly consists of: 1. Unit operation light, ON-OFF switch, and door attachment knob—all installed on door cover. 2. Door base plate contains a solid-state power pack that converts 120 VAC to high voltage DC (A240V Conversion Kit, P/N 31KAX900---001-- is available). All wiring mounted internally. A line-voltage disconnect (male plug) and high-voltage bus-bar are mounted on the base plate externally. Four screws must be removed to expose the power pack and wiring. The supply circuit to the power pack, which is wired across the furnace air blower, is controlled by an ON-OFF power switch. With the power switch ON (assumingpower door in placed and air blower operating), 120 VAC ±10% single-phase, 60-Hz power is applied to the power pack (240V Conversion Kit transformer converts 240V to 120 V AC). Output of the power pack assembly is approximately 7300 VDC. Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 533-134 Printed in U.S.A. Form 31KAX-8SI Pg 1 12-91 Replaces: 31KAX-1 SI ïàbl7a l9a ■ REAR MOUNTING FLANGE A--► ELECTRICAL ENTRANCE 8‘1/2 FOR DUCT APPLICATION Jl 16-7/8 OPERATION ,KNOB LIGHT Ï ON/OFF SWITCH LOGO REMOVABLE POWER DOOR ELECTRICAL ENTRANCE (5/8" DIA.) FOR FURNACE APPLICATIONS) Table 1—Dimensions (In Inches) Model A В С 31KAX012 24-3/4 21-3/4 19-1/2 31KAX016 27-1/4 24-1/4 22 31KAX020 31-1/2 28-1/2 26-1/4 A914S6 Fig. 2—Dimensional Drawing Table 2—Component Information Model 31KAX012 31KAX016 31KAX020 Air Volume Range 300-1400 500-1800 700-2000 Electrical Data (input to power door) 120 volts, single phase, 60 Hz 120 volts, single phase, 60 Hz 120 volts, single phase, 60 Hz Electrical Data (output to collector cell) 120 volts—1.0 milliamps @ 7300 VDC Approx Ship. Wt. 120V 50 54 57 Table 3—Pressure Drop At Various Airflows CFM 31KAX012 CFM 31KAX016 CFM 31KAX020 Pressure Drop Inches wc Pressure Drop Inches wc Pressure Drop Inches wc 300 0.005 500 0.010 700 0.010 400 0.010 600 0.025 800 0.013 600 0.020 800 0.020 1000 0.018 800 0.030 1000 0.028 1200 0.023 1000 0.050 1200 0.035 1400 0.030 1100 0.060 1400 0.045 1600 0.038 1200 0.065 1600 0.065 1800 0.045 1300 0.075 1700 0.070 1900 0.048 1400 0.085 1800 0.080 2000 0.050 NOTE: Using the electronic air cleaner on air duct systems designed for airflows lower than 300 cfm for 012-size unit, 500 cfm for 016-size units, or 700 cfm for 020-size unit...
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