Page 1: Table Of Contents
16 Airflow Data .............. 16 ARE SUBJECT TO CHANGE WITHOUT NOTICE 17 Air Handler Low Voltage Connections ....18 18 Wiring Diagrams ............19 is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved.
Page 2 WARNING HIGH VOLTAGE DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSON- AL INJURY OR DEATH. CARBON MONOXIDE POISONING HAZARD Special Warning for Installa on of Furnace or Air Handling Units in Enclosed Areas such as Garages, U lity Rooms or Parking Areas WARNING Carbon monoxide producing devices (such as an automobile, space...
Page 3: Shipping Inspection
2 Shipping Inspection 5 Pre-Installation Considerations 5.1 Preparation Always transport the unit upright; laying the unit on its side Keep this document with the unit. Carefully read all in- or top during transit may cause equipment damage. The in- structions for the installation prior to installing product. staller should inspect the product upon receipt for shipping Make sure each step or procedure is understood and damage and subsequent investigation is the responsibility...
Page 4: Upflow Installation
The ARUF**14** and ASPT**14** product lines may be in- Drip Shield Bracket stalled in one of the upflow, downflow, horizontal left or hori- Drip Shield Drip Pan zontal right orientations as shown in Figures 2, 3, 4 and 5. The Extension unit may be installed in upflow or horizontal left orientation as Side...
Page 5: Horizontal Right Installation / Downflow Installation
6.3 Horizontal Right Installation / Downflow Installation 8. Drain Connections for Horizontal Right Installation When installing unit in the downflow position the appropriate a. The bottom right drain connection in side drain pan (DFK) downflow kit is required to prevent “coil pan sweating”. is the primary drain for this application and con- The DFK kit is not supplied with the air handler and is avail- densate drain line must be attached to this drain...
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 locat- ed in an unconditioned area with high ambient temperature and/or high humidity, the air handler may be subject to nui- sance 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 Coil slides on the downﬂow bracket IMPORTANT NOTE: ACCESS PANEL CONFIGURATION FOR DOWNFLOW Ensure coil slides on the rails along the groove provided on the drain pan side walls.
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 pres- TXV models come with factory installed TXV with the sure tracer gas to escape. No gas indicates a possible 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 TXV valve to 7 to 9 ºF superheat and remove non-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 are Air Handler 2" MIN. 3/4” NPT male, either PVC or metal pipe, and should 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 OBJEC- 15 19/20 25 TIONABLE FUMES/ODORS INTO THE DUCTWORK. The return ductwork is to be connected to the air handler bottom (upflow configuration).
Page 12: Electrical And Control Wiring
12 Electrical and Control Wiring 12.2 Wire Sizing Wire size is important to the operation of your equip- ment. Use the following check list when selecting the IMPORTANT: All routing of electrical wiring must be made 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...
Page 14: Electrical Connections - Supply Voltage
12.4.2 Air Handler - Non-Circuit Breaker Heat Kits 12.4 Electrical Connections – Supply Voltage 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: Achieving 1.4% Low Leakage Rate
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 tight- low power consumption and are energized by 24 VAC. ened.
Page 16: Airflow Data
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: Air Handler Low Voltage Connections
17 Air Handler Low Voltage Connections The following composite wiring diagrams detail various con- figurations 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: Wiring Diagrams
18 Wiring Diagrams HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. Low Voltage Wiring for ARUF Air Handlers ROOM THERMOSTAT #18 GA. 4 WIRES WITH COOLING 3 WIRES WITHOUT ARUF UNIT GREEN...
Page 20 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. Low Voltage Wiring for ARUF Air Handlers ARUF 10 KW & BELOW TYPICAL H/P HEAT PUMP #18 GA.
Page 21 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. #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.
Page 22 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. #18 GA. 7 WIRE AIR HANDLER BL BL HEAT PUMP UNIT WITH OPTIONAL HEAT KITS OF 10 kW AND BELOW #18 GA.
Page 23 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. ELECTRONIC BLOWER TIME DELAY RELAY TSTAT 120/240VAC SYSTEM XFMR-R PARK TERMINAL TRANSFORMER MOTOR NEUTRAL 24 VAC B13707-35 XFMR-C...
Page 24 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. ARUF**14** 208/240 TERMINAL BLOCK SHOWN SEE NOTES 2 & 6 VOLTS EQUIPMENT GROUND FOR 50HZ MODELS ONLY USE COPPER WIRE BL RD GR WH BR 1 PLF...
Page 25 HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. 3-Phase Heat Kit Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
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 in- the only agents deemed safe and approved for use to clean stalled as dust and lint will build up on internal parts resulting round tube aluminum coils.
Page 27 THIS PAGE LEFT BLANK INTENTIONALLY.
Page 28 CUSTOMER FEEDBACK We are very interested in all product comments. Please fill out the feedback form on one of the following links: Daikin Products: (https://daikincomfort.com/contact-us) Goodman Brand Products: (http://www.goodmanmfg.com/about/contact-us). ® Amana Brand Products: (http://www.amana-hac.com/about-us/contact-us). ® You can also scan the QR code on the right for the product brand you DAIKIN GOODMAN BRAND...

Maytag Amana ARUF 14 Series Installation & Operating Instructions Manual

1 Important Safety Instructions

2 Shipping Inspection

3 Codes & Regulations

4 Replacement Parts

5 Pre-Installation Considerations

7 Refrigerant Lines

8 Condensate Drain Lines

9 Ductwork

10 Return Air Filters

11 Electric Heat

12 Electrical and Control Wiring

13 Achieving 1.4% Low Leakage Rate

14 Start-Up Procedure

15 Regular Maintenance

16 Airflow Data

17 Air Handler Low Voltage Connections

18 Wiring Diagrams

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