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Daikin AMST U1400 Series User Manual

Daikin AMST U1400 Series
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AMST***U1400**
AIR HANDLERS INSTALLATION &
OPERATING INSTRUCTIONS
© 2021-2023 Daikin Comfort Technologies Manufacturing, L.P.
19001 Kermier Rd., Waller, TX 77484
www.goodmanmfg.com -or- www.amana-hac.com
P/N: IO-4004C Date: April 2023
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION.
NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN
ARE SUBJECT TO CHANGE WITHOUT NOTICE
Contents
1 Important Safety Instructions .................................... 2
2 Shipping Inspection ................................................... 3
2.1 Parts ....................................................................... 3
2.2 Handling ................................................................. 3
2.3 Shipping Material Removal..................................... 3
2.3.1 Blower Support Bracket Removal ....................... 3
3 Codes & Regulations ................................................. 3
4 Replacement Parts ..................................................... 4
5 Pre-Installation Considerations ............................... 4
5.1 Preparation ............................................................. 4
5.2 System Matches ..................................................... 4
5.3 Interconnecting Tubing ........................................... 4
5.4 Clearances ............................................................. 4
5.5 Horizontal Applications ........................................... 4
5.6 Access .................................................................... 4
6 Installation Location ................................................... 4
 .................................................. 4
6.2 Horizontal Left Installation ...................................... 5
 5
6.4 Humid Environment Installations ............................ 6
6.4.1 All Installations – Humid Environments ............... 6
 6
6.4.1.3 Horizontal Installations – Humid Environments 6
7 Refrigerant Lines ........................................................ 7
7.1 Tubing Size ............................................................. 7
7.2 Tubing Preparation ................................................. 7
7.3 Tubing Connections ................................................ 7
7.4 Thermal Expansion Valve System Adjustment ....... 9
8 Condensate Drain Lines ........................................... 10
9 Ductwork .................................................................... 11
9.1 Return Ductwork .................................................... 11
10 Return Air Filters ..................................................... 11
11 Electric Heat ............................................................. 11
12 Electrical and Control Wiring ................................. 12
12.1 Building Electrical Service Inspection .................. 12
12.2 Wire Sizing .......................................................... 12
12.3 Maximum Overcurrent Protection (MOP) ............ 12
12.4 Electrical Connections – Supply Voltage ............. 13
12.4.1 Air Handler Only (Non-Heat Kit Models) ........... 13
12.4.2 Air Handler - Non-Circuit Breaker Heat Kits ..... 13
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WARNING
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION

WARNING

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Daikin AMST U1400 Series Specifications

General IconGeneral
BrandDaikin
ModelAMST U1400 Series
CategoryAir Handlers
LanguageEnglish

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