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MANUFACTURED FOR:
MANUFACTURED FOR:
MITSUBISHI ELECTRIC US, INC.
MITSUBISHI ELECTRIC US, INC.
TECHNICAL & SERVICE MANUAL
LAHN-1/LAHN-3 Low Ambient Hood
Model
TECHNICAL & SERVICE MANUAL
for use with:
CITY MULTI ® PUHY-P-T/Y(S)NU-A(-BS), PUHY-EP-T/Y(S)NU-A(-BS),
LAHK-1 Low Ambient Hood
and PUHY-HP-T/Y(S)NU-A Series
Model
Outdoor Units
2019
2015
4000292
4000292
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Summary of Contents for Mitsubishi Electric LAHN-1
- Page 1 MANUFACTURED FOR: MANUFACTURED FOR: MITSUBISHI ELECTRIC US, INC. MITSUBISHI ELECTRIC US, INC. 2015 TECHNICAL & SERVICE MANUAL LAHN-1/LAHN-3 Low Ambient Hood Model TECHNICAL & SERVICE MANUAL for use with: CITY MULTI ® PUHY-P-T/Y(S)NU-A(-BS), PUHY-EP-T/Y(S)NU-A(-BS), LAHK-1 Low Ambient Hood and PUHY-HP-T/Y(S)NU-A Series...
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Page 2: Table Of Contents
Outdoor unit in cooling mode on the outdoor unit. When the unit switches to heating mode, the The LAHN-1/LAHN-3 low ambient hood is designed to reduce the the airflow through the outdoor units as the ambient reversing valve is energized. This in turn energizes the interlock relay. - Page 3 The chart shown below, replace the circuit board. ow shows what the blinking light sequence means. © 2019 Mitsubishi Electric US, Inc. Specifications are subject to change without notice. Outdoor Thermistor...
- Page 4 To check, make sure the contact is closed when the Specifications are subject to change without notice. © 2019 Mitsubishi Electric US, Inc. should be approximately 27 volts. If no voltage is in the full open position. 0 degrees If necessary, 26,104 5.80...
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Page 5: Damper Blade Adjustment
6.) Release motor by slightly cranking with handle. Check operation manually 7.) The goal is to have ¼” opening on damper assembly in the 85 degree position. © 2019 Mitsubishi Electric US, Inc. Specifications are subject to change without notice. - Page 6 ¼ inch at 85 degrees the screws as shown to ensure it is open approximately ¼ inch at 85 degrees approximately ¼ inch at 85 degrees Specifications are subject to change without notice. © 2019 Mitsubishi Electric US, Inc.
- Page 7 85 degree position and visually check that the damper does not close completely. Your goal is approximately ¼” opening between the blades at the 85 degree position. © 2019 Mitsubishi Electric US, Inc. Specifications are subject to change without notice.
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Page 8: Damper Actuator Manual Override
Angle Indicator Angle Indicator December 2013 December 2013 © 2013 Mitsubishi Electric US, Inc. © 2013 Mitsubishi Electric US, Inc. Specifications are subject to change without notice. © 2019 Mitsubishi Electric US, Inc. -
Page 9: Parts List
Black White Orange White Note: Damper linkage parts can be purchased locally. If damper blades or complete assembly needs replacing, order new LAHN-2/LAHN-4 hood and damper assembly. © 2019 Mitsubishi Electric US, Inc. Specifications are subject to change without notice. -
Page 10: Wiring Diagram
Date of Manufacture Initials Disconnect white plug with four wires from the CN505 connection. Plug the white Manufactured for Mitsubishi Electric US, Inc. male connector from the low ambient kit onto green the CN505 connection. Connect the white plug with four wires onto the spare connection. - Page 11 © 2019 Mitsubishi Electric US, Inc. Specifications are subject to change without notice.
- Page 12 This product is designed and intended for use in the commercial environment. Please be sure to put the contact address/telephone number on this manual before handing it to the customer. Manufactured for MITSUBISHI ELECTRIC US, INC. www.mylinkdrive.com Toll Free: 800-433-4822 MEUS DOC# MD-1922-K002 Ver. 2, November 2019 Specifications are subject to change without notice.