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Инструкция по эксплуатации American Dryer Corp., модель AD-575

Производитель: American Dryer Corp.
Размер: 2.16 mb
Название файла: 923d729d-1f5c-4b2f-967b-4e89932776dd.pdf
Язык инструкции:en
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Фрагмент инструкции


Avoid using screws on any objects which will protrude inside the exhaust ducting and catch lint. An extremely long run of exhaust ducting or exhaust ducting with many turns in it will result in reduced airflow through the dryer, causing poor dryer performance. If this is the case, an auxiliary fan may have to be installed to boost the exhaust airflow. CAUTION: IMPROPERLY SIZED OR INSTALLED EXHAUST DUCT WORK CAN CREATE A POTENTIAL FIRE HAZARD. IMPORTANT: DO NOT USE SCREENS OR CAPS ON THE OUTSIDE OPENING OF THE EXHAUST DUCT WORK. 5 3. Gas Hookup (gas dryers only) The 1-inch MPT gas inlet connection is located to the rear of the dryer on the upper left-hand side of the dryer (viewing from the rear). The dryer must be connected to the type of heat/gas indicated on the dryer data label located in the right-hand control cabinet. If this information does not agree with the type of gas available, contact the distributor who sold the equipment or the factory. NOTE: Undersized gas piping will result in ignition problems, slow drying, and increased use of energy and can create a safety hazard. The gas input ratings shown on the dryer data label are for elevations up to 2,000 feet, unless elevation requirements of over 2,000 feet were specified at the time the dryer order was placed with the factory. The adjustment for dryers in the field for elevations over 2,000 feet are made by changing the burner orifices. If this adjustment is necessary, contact the distributor who sold the dryer or contact the factory. NOTE: Any burner changes must be made by a qualified technician. For natural gas, the supply pressure delivered to the dryer must be 7 inches water column minimum and 13 inches water column maximum. If the supply pressure is higher than 13 inches water column, then an external pressure regulator must be installed in the supply line to reduce the gas pressure below 13 inches water column. The pressure supplied from the gas valve on the dryer to the burner will be 4.0 inches water column. Dryers manufactured for use with liquid petroleum (L.P. gas) have no pressure regulator or means of regulation built into the dryer. Regulation must be provided at the gas supply (L.P. tank), or in the case where another gas appliance of a higher required gas pressure is on the same supply line, separate regulators (vented to the outdoors) serving each dryer should be provided. The pressure delivered to L.P. gas dryers must be 10.5 inches to 11 inches water column. NOTE: Gas connections should be made by qualified personnel only. If more than one dryer is being fed by the same gas supply line, then a 3/4-inch pipe gas loop should be 6 installed from a point downstream of the last unit to a point upstream of the first unit being supplied. This will equalize the pressure throughout the supply line. TEST ALL CONNECTIONS FOR LEAKS BY BRUSHING ON A SOAPY WATER SOLUTION (liquid detergent also works well). NEVER TEST FOR GAS LEAKS WITH A FLAME. 4. Steam Hookup (steam dryers only) The steam inlet connection of the steam coil is 1-1/2" MPT, and the condensate outlet connection is 3/4" MPT. The working steam pressure of the dryer is 125 psi. Supplying a lower steam pressure to the dryer will result in slower drying times. When steam mains are lower than steam coil, pitch supply and return lines downward to main pipes. When steam return runs overhead, a check valve must be installed after main trap. It is good practice, and you will save energy by insulating the steam supply piping. This unit is not equipped with a steam valve. It utilizes an air damper bypass system and a continuously charged coil. With this system, the coil will always be energized and hot. Upon a call for heat, the damper pivots about the steam coil, allowing the air to pass through the coil and closing off cool air. When the temperature in the dryer is satisfied, the damper will pivot back onto the coil directing cool room air directly into the tumbler, bypassing the coil. With this system, heat and cooling are provided instantaneously; and consequently, there is a direct reduction in drying time and energy usage. In addition, the life of the steam coil will be extended because it is not constantly heating up and cooling down. NOTE: No electrically operated steam valve is supplied, and none should be installed. 5. Air Intake When the dryer is operating, it draws in room air, heats it, passes this air through the tumbler, and exhausts it out of the building. Therefore, the room air must be continually replenished from the outdoors. If the make-up air is inadequate, drying time and drying efficiency will be adversely affected. You may have ignition problems and sail switch "fluttering" problems on gas dryers, and you also could have premature motor failures from overheating. 7 For the AD-575, an opening to the outdoors of at least five (5) square feet is required. GUAGE 0-150 P.SJ.G. SUGGESTED STEAM COL MMNG ARRANGEMENT If the opening to the ou...


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