Refrigerated Compressed Air Dryer Refrigerated Compressed Air Dryer Models 3YA54-B, 2DAZ3-B, 2DAZ4-B,

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  • Refrigerated Compressed

    Air Dryer

    Models 3YA54-B, 2DAZ3-B, 2DAZ4-B, 48YP22, 48YP23, 48YP24, 48YP25, 48YP26 and 2DBA1-B

    Operating Instructions & Parts Manual EN

  • PLEASE READ AND SAVE THESE INSTRUCTIONS.

    READ CAREFULLY BEFORE ATTEMPTING

    TO ASSEMBLE, INSTALL, OPERATE OR MAINTAIN THE

    PRODUCT DESCRIBED.

    PROTECT YOURSELF AND OTHERS BY OBSERVING ALL

    SAFETY INFORMATION. FAILURE TO COMPLY WITH INSTRUCTIONS

    COULD RESULT IN PERSONAL INJURY AND/OR PROPERTY

    DAMAGE! RETAIN INSTRUCTIONS FOR FUTURE REFERENCE.

    PLEASE REFER TO BACK COVER FOR INFORMATION REGARDING

    DAYTON’S WARRANTY AND OTHER IMPORTANT

    INFORMATION.

    Model #: ___________________

    Serial #: ___________________

    Purch. Date: _______________

    © 2016 Dayton Electric Manufacturing Co. All Rights Reserved

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    RECEIVING This shipment has been thoroughly checked, packed and inspected before leaving our plant. It was received in good condition by the carrier and was so acknowledged.

    Check for Visible Loss or Damage. If this shipment shows evidence of loss or damage at time of delivery to you, insist that a notation of this loss or damage be made on the delivery receipt by the carrier’s agent.

    UNPACKING Check for concealed loss or damage. When a shipment has been delivered to you in apparent good order, but concealed damage is found upon unpacking, notify the carrier immediately and insist on his agent inspecting the shipment. Concealed damage claims are not our responsibility as our terms are F.O.B. point of shipment.

    MOVING In moving or transporting dryer, do not tip dryer onto its side.

    STORAGE IMPORTANT: Do not store dryer in temperatures above 130°F (54.4°C).

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    GENERAL SAFETY INFORMATION

    1. This equipment is a pressure containing device. Do not exceed maximum operating pressure as shown on equipment serial number tag. Make sure equipment is depressurized before working on or disassembling it for service.

    2. This equipment requires electricity to operate. Install equipment in compliance with all applicable electrical codes. Standard equipment is supplied with electrical enclosures not intended for installation in hazardous environments. Disconnect power supply to equipment when performing any electrical service work.

    3. Air treated by this equipment may not be suitable for breathing without further purification. Refer to applicable standards and specifications for the requirements for breathing quality air.

    SPECIFICATIONS FLOW

    CAPACITY AIR

    CONNECTION MAXIMUM DIMENSIONS

    Model Flow 1

    (scfm) Inlet/Outlet psi Inlet

    Temperature BTU/HR 2 Refrigerant

    Type 3 Height Width Depth Weight

    (lbs)

    3YA54-B 75 1” NPT 232 psig 120°F (49°C) 4,320 R-134a 23.67” 14.28” 32.33”” 106

    2DAZ3-B 100 1” NPT 232 psig 120°F (49°C) 5,000 R-134a 23.67” 14.28”” 32.33” 111

    2DAZ4-B 125 1” NPT 232 psig 120°F (49°C) 5,000 R-134a 23.67” 14.28” 32.33” 116

    48YP22 150 1” NPT 232 psig 120°F (49°C) 9,281 R-407c 23.67” 14.28” 34.69” 132

    48YP23 200 2” NPT 232 psig 120°F (49°C) 14,501 R-407c 29.97” 17.43” 36.66” 174

    48YP24 250 2” NPT 232 psig 120°F (49°C) 16,241 R-407c 29.97” 17.43” 36.66” 181

    48YP25 300 2” NPT 232 psig 120°F (49°C) 19,312 R-407c 31.94” 19.39” 43.75” 228

    48YP26 400 2” NPT 232 psig 120°F (49°C) 25,341 R-407c 31.94” 19.39” 43.75” 254

    2DBA1-B 500 2” NPT 232 psig 120°F (49°C) 28,040 R-407c 31.94” 21.36” 47.69” 302 1 Dryers are designed to produce a 38°F (3°C) or a 50°F (10°C) pressure dewpoint at 100°F (38°C) air inlet temperature, 100 psig inlet pressure,

    and up to 100°F (38°C) ambient air temperature. 2 Compressor capacity @ASHRAE-T standard: 45°F (7°C) evaporating temperature, 130°F (54.4°C) condensing temperature, 95°F (35°C) return

    temperature, 115°F (46°C) liquid temperature, and 95°F (35°C) ambient temperature. 3 Refer to serial tag number for refrigerant charge Compressor Type — Hermetic, Non-cycling

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    INSTALLATION

    Ambient Air Temperature

    Locate the dryer indoors where the ambient air temperature will be between 40°F and 110°F. Intermittent operation at ambient temperatures up to 113°F will not damage the dryer but may result in a higher dew point or dryer shutdown due to high refrigerant discharge pressure (see Field Service Guide).

    Do not operate air-cooled dryers at ambient air temperatures below 40°F. Such operation may result in low suction pressure, causing freeze-up.

    Location and Clearance

    Mount the dryer on a level base. If the base vibrates, bolt the unit down using vibration dampeners. Allow at least 24 inches clearance on the sides and the front of the dryer for cooling airflow and for service access.

    System Arrangement

    Liquid water in the inlet air will adversely affect the performance of the dryer. Install the dryer downstream of an aftercooler or separator so that the temperature of the dryer inlet air does not exceed 120°F and the inlet air does not contain any liquid water. See Figure 1.

    Compressor

    Oil Removal Filter

    Aftercooler Automatic Drain

    Dryer

    Separator Receiver

    Figure 1 – Typical Compressed Air System

    If the compressed airflow is relatively constant and does not exceed the dryer flow rating, it is recommended that the dryer be located downstream of the receiver tank. If the nature of the application is such that the air demand regularly exceeds the dryer flow rating, it is recommended that the dryer be located upstream of the receiver.

    For safety and convenience, install inlet and outlet shutoff valves and depressurization valves. These valves allow the dryer to be isolated and depressurized for servicing. Bypass piping may be installed around the dryer for uninterrupted airflow when the dryer is serviced. If the compressed air operation cannot tolerate undried air for short periods, install a second dryer in the bypass line.

    Compressed air systems commonly require filters to remove compressor oils, particulates, condensed liquids and other contaminants. When an oil-removal filter is used, it should be installed downstream of the refrigerated dryer. At this location, the life of the replaceable filter element is prolonged since some of the entrained oil is removed by the dryer and drained through the separator.

    Piping and Connections

    Piping must be furnished by the user unless otherwise specified. Connections and fittings must be rated for the maximum operating pressure given on the dryer data plate and must be in accordance with applicable codes. Support all piping; do not allow the weight of any piping to stress the dryer or filter connections. Inlet and outlet shutoff valves and a valved bypass valve are recommended. Piping should be at least the size of the inlet and outlet connections to minimize pressure drop in the air system. See Specifications for dryer inlet and outlet connections.

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    GENERAL ARRANGEMENT DRAWINGS

    MODEL DIMENSIONS, INCHES (MM) CONNECTIONS

    (INCHES, NPT)A B C D E F G H I J K L M N O P Q R

    3YA54-B 2.02(51.2) 3.79

    (96.2) 1.96 (50)

    19.26 (489.2)

    2.44 (62)

    32.33 (821.2)

    21.26 (540)

    31.15 (791.2)

    1.18 (30)

    14.28 (362.6)

    12.76 (324)

    21.70 (551.2)

    23.67 (601.2)

    2.16 (55)

    4.38 (111.2)

    2.02 (51.2)

    1.18 (30)

    1.18 (30) 1

    2DAZ3-B 2.02(51.2) 3.79

    (96.2) 1.96 (50)

    19.26 (489.2)

    2.44 (62)

    32.33 (821.2)

    21.26 (540)

    31.15 (791.2)

    1.18 (30)

    14.28 (362.6)

    12.76 (324)

    21.70 (551.2)

    23.67 (601.2)

    2.16 (55)

    4.38 (111.2)

    2.02 (51.2)

    1.18 (30)

    1.18 (30) 1

    2DAZ4-B 2.02(51.2) 3.79

    (96.2) 1.96 (50)

    19.26 (489.2)

    2.44 (62)

    32.33 (821.2)