AWUF Installation Manual

ManualsBrandsGoodman ManualsCentral Air ConditionersAWUF - 1.5 Ton - Air Handler - Wall-Mount - 208-240/1/60 - PSC Motor - 8 kW

VERTICAL MOUNT AIR HANDLERS

INSTALLATION INSTRUCTIONS

IO-281V

4/2019

Important Safety Instructions

As a professional installer, you have an obligation to know

the product better than the customer. This includes all

safety precautions and related items. Prior to actual in-

stallation, thoroughly familiarize yourself with this In-

struction Manual. Pay special attention to all safety warn-

ings. Remember, it is your responsibility to install the

product safely and to know it well enough to be able to

instruct a customer in its safe use.

Safety is a matter of common sense...a matter of think-

ing before acting. Most dealers have a list of specific,

good safety practices...follow them.

The precautions listed in this Installation Manual are in-

tended as supplemental to existing practices. However,

if there is a direct conflict between existing practices

and the content of this manual, the precautions listed

here take precedence.

HIGH VOLTAGE!

Failure to do so may cause property damage, personal

Injury or death.

Disconnect ALL power before servicing or installing

this unit. Multiple power sources may be present.

Only personnel that have been trained to install, adjust, service

or repair (hereinafter, “service”) the equipment specified in

this manual should service the equipment. The manufacturer

will not be responsible for any injury or property damage

arising from improper 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 installation, adjustment, servicing 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 training may result in product

damage, property damage, personal injury or death.

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

PROP 65 WARNING

FOR CALIFORNIA CONSUMERS

0140M00517-A

To prevent the risk of property damage, personal injury, or

death, do not store combustible materials or use gasoline or

other flammable liquids or vapors in the vicinity of this

appliance.

B10259-216

CO can cause serious illness including permanent brain

damage or death.

Advertencia especial para la instalación de calentadores ó manejadoras

de aire en áreas cerradas como estacionamientos ó cuartos de servicio.

B10259-216

El monóxido de carbono puede causar enfermedades severas

como daño cerebral permanente ó muerte.

Las emisiones de monóxido de carbono pueden circular a través

del aparato cuando se opera en cualquier modo.

B10259-216

RISQUE D'EMPOISONNEMENT AU

MONOXYDE DE CARBONE

Cette ventilation est nécessaire pour éviter le danger d'intoxication

au CO pouvant survenir si un appareil produisant du monoxyde

de carbone continue de fonctionner au sein de la zone confinée.

Summary of content (16 pages)

PAGE 1
VERTICAL MOUNT AIR HANDLERS INSTALLATION INSTRUCTIONS Important Safety Instructions As a professional installer, you have an obligation to know the product better than the customer. This includes all safety precautions and related items. Prior to actual installation, thoroughly familiarize yourself with this Instruction Manual. Pay special attention to all safety warnings.
PAGE 2
Installer’s Note: CAUTION Replacement air filters can be ordered directly from the supplier: United Air Filter Charlotte, NC Phone: 704-334-5311 Have your contractor identify all the various cutoff switches and devices that service this unit. Know where the switch is that will cut off energy to the heating system in the event of overheating.
PAGE 3
Units are equipped with both a bottom primary and secondary drain. Both drains must be trapped, unless emergency condensate switch is install in the secondary drain. Failure to install a trap could result in condensation overflowing the drain pan resulting in substantial water damage to the nearby area. The connectors required are 3/4" NPT male, either PVC or metal pipe, CPVC piping is not approved, and should be hand tightened to a torque of no more than 37 in-lbs.
PAGE 4
NOTE: The use of a heat shield when brazing is recommended to avoid burning the serial plate or the finish on the unit. Heat trap or wet rags should be used to protect heat sensitive components such as service valves and TXV valves. The evaporator coil is shipped from the factory with approximately 90 PSI tracer gas charge. Use caution when relieving pressure. Electrical Connections – Supply Voltage CAUTION USE COPPER CONDUCTORS ONLY.
PAGE 5
NOTE: For the AWUF190816B* model, it is not recommended to use the 1.0T application. AWUT – FACTORY INSTALLED TXV MODELS AWUT air handlers come equipped with a factory installed, fully adjustable TXV for air handler installation follow the below installation procedure. NOTE: The TXV must be adjusted to meet the outdoor unit’s target superheat value. During the superheat adjustment on the TXV, the torque applied on the nut cannot exceed 25 in-lbs.
PAGE 6
CABINET DIMENSIONS LARGE CHASSIS 2.5 & 3.0 TON SMALL CHASSIS 1.0, 1.5, & 2.0 TON 36 24 21 19 7/8 15 7/8 36 20 3/16 16 1/8 16 11 A B C D E SUCTION LINE LIQUID LINE REMOVABLE SERVICE DOOR SMALL CHASSIS BOTTOM PRIMARY AND SECONDARY DRAINS CAN BE ACCESSED THROUGH THE BOTTOM OF THE UNIT. (3/4" NPT FEMALE CONNECTION) NOTE: HAND TIGHTEN ONLY NOTE: SPECIFICATIONS & PERFORMANCE DATA LISTED HEREIN ARE SUBJECT TO CHANGE WITHOUT NOTICE NOTE: Thermostat heat anticipator setting is 0.2.
PAGE 7
BLOWER CHART FOR VERTICAL MOUNT AIR HANDLERS Model AWUF18XX1/16A* AWUF18XX16B* AWUF19XX16B* AWUF25XX16A* AWUF24XX1/16A* AWUF24XX16B* AWUF30XX1/16A* AWUF30XX16B* Speed CFM deliverd against External Static Pressure 0.1" 0.2" 0.3" 0.4" 0.
PAGE 8
BR WH BL RD DISC Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
PAGE 9
5 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, PERSONAL INJURY OR DEATH. WIRING DIAGRAM AWUF19**16 Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
PAGE 10
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring. 7. FOR UNITS USING 3KW AND 5KW HEAT ERS, WHITE WIRE W ILL BE CONNECTED TO TERMINAL 4. 6. COMPONENT CODE: CCONTACTOR DISC - DISCONNECT SWITCH EM - EVAPORATER MOTOR FFUSE HTR - HEATER ELEMENT RRELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER 5. WIRING CODE: FACTORY WIRING: HIGH VOLTAGE LOW VOLTAGE FIELD WIRING: HIGH VOLTAGE 4.
PAGE 11
6. COMPONENT CODE: C - CONTACTOR DISC - DISCONNECT SWIT CH EM - EVAPORATER MOTOR F - FUSE HTR - HEATER ELEMENT R - RELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER 5. WIRING CODE: FACTORY WIRING: HIGH VOLTAGE LOW VOLTAGE FIELD WIRING: HIGH VOLTAGE 4. COLOR CODES: BK - BLACK BL - BLUE BR - BROWN GR - GREEN PU - PURPLE RD - RED WH - WHITE YL - YELLOW 3.
PAGE 12
6. COMPONENT CODE: CCONTACTOR DISC - DISCONNECT SWITCH EM - EVAPORATER MOTOR FFUSE HTR - HEATER ELEMENT RRELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER 5. WIRING CODE: FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE FIELD WIRING HIGH VOLTAGE LOW VOLTAGE SEE NOTE 2 4. COLOR CODES: BK - BLACK BL - BLUE BR - BROWN GR - GREEN PU - PURPLE RD - RED WH - WHITE YL - YELLOW 3.
PAGE 13
Expansion Valve Troubleshooting: Before replacing an expansion valve, check the following items: 1. Bulb location: Must be tightly secured to the suction line upstream of the equalizer connection. 2. Insulation: Bulb must be properly insulated. 3. Equalizer: Must be connected to the 1/4" SAE connection on the suction line. 4. Charge: Ensure the system is properly charged. There MUST be a minimum of 10°F Sub-Cooled liquid at the valve inlet.
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PAGE 15
SPLIT SYSTEMS AIR CONDITIONING AND HEAT PUMP HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a qualified servicer. Replace or Clean Filter IMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire. An indoor air filter must be used with your comfort system.
PAGE 16
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