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ARUF**14** / ASPT**14**
AIR HANDLERS INSTALLATION &
OPERATING INSTRUCTIONS
TABLE OF CONTENTS
1 Important Safety Instructions .................................... 1
2 Shipping Inspection ................................................... 3
2.1 Parts ...................................................................... 3
2.2 Handling ................................................................ 3
3 Codes & Regulations ................................................. 3
4 Replacement Parts ..................................................... 3
5 Pre-Installation Considerations ................................ 3
5.1 Preparation ............................................................ 3
5.2 System Matches .................................................... 3
5.3 Interconnecting Tubing .......................................... 3
5.4 Clearances ............................................................ 3
5.5 Horizontal Applications .......................................... 3
5.6 Access ................................................................... 4
6 Installation Location ................................................... 4
6.1 Upflow Installation ................................................. 4
6.2 Horizontal Left Installation ..................................... 4
Downflow Installation ............................................. 5
7 Refrigerant Lines ........................................................ 6
7.1 Tubing Size ............................................................ 6
7.2 Tubing Preparation ................................................ 6
7.3 Special Instructions ............................................... 6
7.4 Tubing Connections for Flowrator Model ............... 8
7.5 Tubing Connections for TXV Models ..................... 8
8 Condensate Drain Lines ........................................... 10
9 Ductwork .................................................................... 10
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 Inspect ...................... 12
12.2 Wire Sizing.......................................................... 12
12.3 Maximum Overcurrent Protection (MOP) ........... 12
12.4 Electrical Connections - Supply Voltage ............ 14
Do not bypass safety devices.
RECOGNIZE THIS SYMBOL
AS A SAFETY PRECAUTION
NOTE: SPECIFICATIONS AND PERFORMANCE DATA LISTED HEREIN
ARE SUBJECT TO CHANGE WITHOUT NOTICE
WARNING
is a registered trademark of Maytag Corporation or its related companies and is used under license.
© 2014-2018, 2020-2023
Daikin Comfort Technologies Manufacturing, L.P.
19001 Kermier Rd., Waller, TX 77484
www.goodmanmfg.com -or- www.amana-hac.com
P/N: IO-901N Date: April 2023
Only personnel that have been trained to install, adjust,
service, maintenance or repair (hereinafter, "service")
the equipment specified this manual should service the
equipment.
This equipment is not intended for use by persons
(including children) with reduced physical, sensory or
mental capacities, or lack of experience and knowledge,
unless they have been given supervision or instruction
concerning use of the appliance by a person responsible
for their safety.
Children should be supervised to ensure that they do not
play with the equipment.
The manufacturer will not be responsible for any injury
or property damage arising from improper supervision,
service or service procedures. If you service this unit, you
assume responsibility for any injury or property damage
which may result. In addition, in jurisdictions that require
one or more licenses to service the equipment specified in
this manual, only licensed personnel should service the
equipment. Improper supervision, installation, adjustment,
servicing, maintenance or repair of the equipment specified
in this manual, or attempting to install, adjust, service
or repair the equipment specified in this manual without
proper supervision or training may result in product
damage, property damage, personal injury or death.
AS A SAFETY PRECAUTION.
All rights reserved.
WARNING
RECOGNIZE THIS SYMBOL
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Table of Contents
Related Manuals for Amana ARUF 14 Series
Summary of Contents for Amana ARUF 14 Series
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Page 1: Table Of Contents
© 2014-2018, 2020-2023 Daikin Comfort Technologies Manufacturing, L.P. AIR HANDLERS INSTALLATION & 19001 Kermier Rd., Waller, TX 77484 OPERATING INSTRUCTIONS www.goodmanmfg.com -or- www.amana-hac.com P/N: IO-901N Date: April 2023 TABLE OF CONTENTS WARNING 1 Important Safety Instructions ........1 2 Shipping Inspection ........... 3 Only personnel that have been trained to install, adjust, 2.1 Parts .............. - Page 2 12.4.3 Air Handler With Circuit Breaker Heat Kit ... 14 12.5 Low Voltage Connections ........14 12.5.1 Thermostats ..........14 12.6 Speed Tap Adjustment........14 13 Achieving 1.4% Low Leakage Rate ....... 15 14 Start-Up Procedure........... 15 15 Regular Maintenance ..........15 16 Airflow Data ...............
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Page 3: Shipping Inspection
2 Shipping Inspection HOMEOWNER SUPPORT DAIKIN COMFORT TECHNOLOGIES MANUFACTURING, L.P. Always transport the unit upright; laying the unit on its side 19001 KERMIER ROAD or top during transit may cause equipment damage. The WALLER, TEXAS 77484 installer should inspect the product upon receipt for shipping (855) 770-5678 damage and subsequent investigation is the responsibility of the carrier. -
Page 4: Access
5.6 Access Side Drain Pan and Extension Removal Instructions This unit should be installed in a manner so that it is not Refer to Figure 1, remove the two (2) screws that secure accessible to the public. the drip shield support brackets to the condensate collectors (front and back). -
Page 5: Horizontal Right Installation
6.2 Horizontal Left Installation (Figure 4) Horizontal Left Installation - Humid Environments No field modifications are permissible for this application. In applications where the air handler is installed in the Install unit as shown in Figure 4. horizontal left position, and the return air environment see humidity levels above 65% relative humidity coupled with Drain port labeled (B) in Figure 1 is the primary drain total external static levels above 0.5”... -
Page 6: Refrigerant Lines
NOTE: Refrigerant tubing must be routed to allow adequate access for servicing and maintenance of the unit. Do not install the air handler in a location that violates the instructions provided with the condenser. If the unit is located in an unconditioned area with high ambient temperature and/ or high humidity, the air handler may be subject to nuisance sweating of the air handler cabinet. - Page 7 Upper Tie Plate Control Deck Blower Access Panel Downflow Coil Bracket Tubing Access Panel Panel Center Support Filter Bracket Filter Access Panel Knockout INTERNAL PART TERMINOLOGY EXTERNAL PART TERMINOLOGY Figure 6 Figure 7 IMPORTANT NOTE: ACCESS PANEL CONFIGURATION FOR DOWNFLOW Ensure coil slides on the rails along the groove provided on the drain pan side walls.
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Page 8: Tubing Connections For Flowrator Model
7.4 Tubing Connections for Flowrator Model 7.5 Tubing Connections for TXV Models 1. Loosen the 13/16 nut 1 TURN ONLY to allow high TXV models come with factory installed TXV with the pressure tracer gas to escape. No gas indicates a bulb pre-installed on the vapor tube. -
Page 9: Thermal Expansion Valve System Adjustment
SATURATED SUCTION PRESSURE SATURATED LIQUID PRESSURE TEMPERATURE CH ART TEMPERATURE CHART SUCTION PRESSURE SATURATED SUCTION SATURATED LIQUID LIQUID PRESSURE TEMPERATURE ºF PSIG R-22 R-410A PSIG R-22 R-410A d. If subcooling is high and superheat is low, adjust NOTE: Units matched with indoor coils equipped with non- TXV valve to 7 to 9 ºF superheat and remove adjustable TXV should be charged by subcooling only. -
Page 10: Condensate Drain Lines
8 Condensate Drain Lines Drain Connection The coil drain pan has a primary and a secondary drain with 3/4” NPT female connections. The connectors required Air Handler are 3/4” NPT male, either PVC or metal pipe, and should 2" MIN. be hand tightened to a torque of no more than 37 in-lbs. -
Page 11: Return Ductwork
9.1 Return Ductwork HEAT KIT NOMINAL kW DO NOT LOCATE THE RETURN DUCTWORK IN AN AREA THAT CAN INTRODUCE TOXIC, OR 15 19/20 25 OBJECTIONABLE FUMES/ODORS INTO DUCTWORK. The return ductwork is to be connected to the air handler bottom (upflow configuration). 1000 1200 10 Return Air Filters... -
Page 12: Electrical And Control Wiring
12 Electrical and Control Wiring 12.2 Wire Sizing Wire size is important to the operation of your equipment. Use the following check list when selecting IMPORTANT: All routing of electrical wiring must be made the appropriate wire size for your unit. through provided electrical knockouts. - Page 13 HEATER KIT (KW ) M ODEL ARUF25B14 ARUF29B14 ARUF31B14 ARUF37C14 1170 1170 1170 1170 1345 1345 ARUF43C14 1170 1170 1170 1170 1345 1345 ARUF49C14 1170 1170 1170 1170 1340 1430 ARUF37D14 1170 1170 1170 1170 1345 1345 ARUF43D14 1170 1170 1170 1170 1345...
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Page 14: Electrical Connections - Supply Voltage
12.4 Electrical Connections – Supply Voltage 12.4.2 Air Handler - Non-Circuit Breaker Heat Kits A terminal block is provided with the HKS kit to attach the power supply and air handler connections. Follow CAUTION the HKS Installation Manual and wiring diagram for complete wiring details. - Page 15 ASPT**14** air handlers feature energy efficient blower • Prior to start-up, ensure that all electrical wires are motors. The motors run at a constant torque with very properly sized and all connections are properly low power consumption and are energized by 24 VAC. tightened.
- Page 16 16 Airflow Data Static Pressure (in w.c) Airflow (CFM) Blower Model Speed ARUF25B14 M ED HIGH 1255 1225 1130 1090 ARUF29B14 M ED HIGH 1255 1225 1130 1090 ARUF31B14 M ED HIGH 1235 1185 1130 1060 1120 1085 1040 1000 ARUF37C14 M ED 1425...
- Page 17 S t a � c P re s s u re ( i n w . c. ) A i rfl o w ( C F M ) M o d e l B l o w e r S p e e d 0 .
- Page 18 17 Air Handler Low Voltage Connections The following composite wiring diagrams detail various configurations in which the air handlers can be used. Examples include single-stage cooling and heat pump with single or two-stage electric heating. All these configurations can be applied with convenient connections to outdoor thermostat applications.
- Page 19 18 Wiring Diagrams Low Voltage Wiring for ARUF Air Handlers ROOM THERMOSTAT #18 GA. 4 WIRES WITH COOLING 3 WIRES WITHOUT ARUF UNIT GREEN WHITE TO CONDENSING CONTACTOR UNIT 24V. CONNECTIONS COIL BLUE #18 GA. 2 WIRES Low Voltage Wiring Diagram for Cooling Unit with optional heat kit 10KW and below ARUF UNIT #18 GA.
- Page 20 18 Wiring Diagrams Low Voltage Wiring for ARUF Air Handlers ARUF 10 KW & BELOW TYPICAL H/P HEAT PUMP #18 GA. 7 WIRE ROOM THERMOSTAT AR UNIT O Y R Y O C G R E GREEN NOTE WHITE BLUE #18 GA.
- Page 21 18 Wiring Diagrams #18 GA. 4 WIRES WITH COOLING 3 WIRES WITHOUT AIR HANDLER TO CONDENSING UNIT 24V CONNECTION COOLING UNIT WITH OPTIONAL HEAT KITS OF 10 kW AND BELOW #18 GA. 5 WIRES WITH COOLING 4 WIRES WITHOUT AIR HANDLER CONDENSING UNIT 24V CONNECTION COOLING UNIT WITH OPTIONAL HEAT KITS OF 15 kW AND ABOVE...
- Page 22 18 Wiring Diagrams #18 GA. 7 WIRE AIR HANDLER BL BL HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 10 kW AND BELOW #18 GA. 7 WIRE AIR HANDLER HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 15 kW AND ABOVE NOTES: NOMENCLATURE: COLOR CODES...
- Page 23 18 Wiring Diagrams HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH ELECTRONIC BLOWER TIME DELAY RELAY L1-240VAC L1-240VAC SYSTEM XFMR TRANSFORMER PARK TERMINAL...
- Page 24 18 Wiring Diagrams HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH ARUF**14** ASPT**14** 208/240 VOLTS 1 PLF L G N SEE N OTE 1 NOTE 4 NOTE 1...
- Page 25 18 Wiring Diagrams HIGH VOLTAGE! ISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT ULTIPLE POWER SOURCES MAY BE PRESENT AILURE TO DO SO MAY CAUSE PROPERTY DAMAGE PERSONAL INJURY OR DEATH 3-Phase Heat Kit NOTE: WHEN INSTALLING HEATER KIT, ENSURE SPEED TAP MUST EXCEED OR EQUAL THE MINIMUM BLOWER CIRCUIT 1 SPEED (MBS) SPECIFIED FOR THE AIRHANDLER/HEATER KIT COMBINATION ON THIS UNIT'S SERIAL PLATE.
- Page 26 AIR HANDLER AIR HANDLER HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS REPLACE OR CLEAN FILTER An alternate cleaning method is to use one of the products listed in TP-109* to clean the coils. The cleaners listed are IMPORTANT NOTE: Never operate unit without a filter the only agents deemed safe and approved for use to clean installed as dust and lint will build up on internal parts resulting round tube aluminum coils.
- Page 27 19 Start-Up Checklist Air Handler / Coil Model Number Serial Number ELECTRICAL Line Voltage (Measure L1 and L2 Voltage) L1 - L2 Secondary Voltage (Measure Transformer Output Voltage) R - C Blower Amps Heat Strip 1 - Amps Heat Strip 2 - Amps BLOWER EXTERNAL STATIC PRESSURE Return Air Static Pressure IN.
- Page 28 Our continuing commitment to quality products may mean a change in specifications without notice. © 2014-2018, 2020-2023 Daikin Comfort Technologies Manufacturing, L.P. 19001 Kermier Rd., Waller, TX 77484 www.goodmanmfg.com - or - www.amana-hac.com reserved. is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights...