AWUF, AWUT Series. Wall-Mount Air Handler 1½ to 3 Tons. Contents. Product Features

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Elvin Phillips
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, AWUT Series Wall-Mount Air Handler 1½ to 3 Tons Contents Nomenclature...2 Accessories...2 Product Specifications...3 Dimensions...7 Airflow Data...9 Wiring Diagram.

1 , AWUT Series Wall-Mount Air Handler 1½ to 3 Tons Contents Nomenclature...2 Accessories...2 Product Specifications...3 Dimensions...7 Airflow Data...9 Wiring Diagram...10 Product Features Models: Equipped with a Check Flowrator AWUT Models: Equipped wit a fully adjustable TXV Direct-drive, multi-speed motors allows air volume variation for heating/cooling Multi-speed ECM: 19, 25, 31, 32, 37, AWUT31, 32, 37 Multi-speed PSC motor: 18, 24, 30, 36 Sequence-controlled, rust-resistant nickel chromium heating elements of 3, 5, 8, and 10 kw Aluminum tubing coils on all models Cabinet air leakage less than 2.0% at 1.0 inch H₂O when tested in accordance with ASHRAE standard 193 Cabinet air leakage less than 1.4% at 0.5 inch H₂O when tested in accordance with ASHRAE standard 193 Factory-installed pull-type disconnect Thermoplastic drain pan with bottom primary and secondary drain connections Built-in filter rack (filter included) Large chassis (2½- and 3-ton units) front return only Small chassis (1½- and 2-ton units) front or bottom return Wall-hanging bracket provided AHRI Certified; ETL Listed * Complete warranty details available from your local dealer or at To receive the 12-Year Parts Limited Warranty, online registration must be completed within 60 days of installation. Online registration is not required in California or Quebec. SS-D 4/18 Supersedes 9/17

2 Nomenclature A W U F AA ,6 7, ,12 Unit Tupe Engineering * A - Single- Piece Air Handler Major/ Minor Revisions Unit Application W - Wall- Mounted Unit Cabinet Finish U - Unpainted Expansion Device F- Flowrater T - TXV Nominal Capacity Range Units with PSC Motors Units with ECM (X- 13) Motors 18 = 1½ Tons 19 = 1½ Tons 24 = 2 Tons 25 = 2 Tons 30 = 2½ Tons 31, 32 = 2½ Tons 36 = 3 Tons 37 = 3 Tons *Not used for inventory management Refrigerant 6 = R- 410A or R- 22 Electrical 1-208/240 V, 1 Phase, 60 Hz 03 = 3 kw 05 = 5 kw Heater Kit 06 = 6 kw 08 = 8 kw 10 = 10 kw Accessories Model Item # Description Wad-1 Wall access door Wad-1 Wall access door AWUT31, 32, 37 Wad-2 Wall access door 2 SS-D

3 Product Specifications B B B A A A B B B B Nominal Ratings Cooling (BTU/h) 18,000 18,000 18,000 18,000 18,000 18,000 24,000 24,000 24,000 24,000 Electric Heat (kw) Blower Diameter (in.) Width (in.) Coil Connections Liquid ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" Suction ⅝" ⅝" ⅝" ⅝" ⅝" ⅝" ⅝" ⅝" ⅝" ⅝" Coil Drain Connection (FPT) ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" Electrical Data Voltage 230/ / / / / / / / / /208 Minimum Circuit Ampacity (230V) Minimum Circuit Ampacity (208V) Max. Overcurrent Device (240V) Max. Overcurrent Device (208V) Minimum VAC Maximum VAC Blower Motor Full Load Amps (FLA) Horsepower (HP) 1/5 1/5 1/5 1/3 1/3 1/3 1/5 1/5 1/5 1/5 Ship Weight (lbs) SS-D 3

4 Product Specifications B B B B B B B B A* A* Nominal Ratings Cooling (BTU/h) 24,000 24,000 24,000 24,000 30,000 30,000 30,000 30,000 30,000 30,000 Electric Heat (kw) Blower Diameter (in.) Width (in.) Coil Connections Liquid ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" Suction ⅝" ⅝" ⅝" ⅝" ¾" ¾" ¾" ¾" ¾" ¾" Coil Drain Connection (FPT) ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" ¾" Electrical Data Voltage 230/ / / / / / / / / /208 Minimum Circuit Ampacity (230V) Minimum Circuit Ampacity (208V) Max. Overcurrent Device (240V) Max. Overcurrent Device (208V) Minimum VAC Maximum VAC Blower Motor Full Load Amps (FLA) Horsepower (HP) 1/3 1/3 1/3 1/3 1/3 1/3 1/3 1/3 1/2 1/2 Ship Weight (lbs) SS-D

5 Product Specifications A* B B B B B B Nominal Ratings Cooling (BTU/h) 30,000 36,000 36,000 36,000 36,000 36,000 36,000 Electric Heat (kw) Blower Diameter (in.) Width (in.) Coil Connections Liquid ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" Suction ¾" ¾" ¾" ¾" ¾" ¾" ¾" Coil Drain Connection (FPT) ¾" ¾" ¾" ¾" ¾" ¾" ¾" Electrical Data Voltage 230/ / / / / / /208 Minimum Circuit Ampacity (230V) Minimum Circuit Ampacity (208V) Max. Overcurrent Device (240V) Max. Overcurrent Device (208V) Minimum VAC Maximum VAC Blower Motor Full Load Amps (FLA) Horsepower (HP) 1/2 1/3 1/3 1/3 1/2 1/2 1/2 Ship Weight (lbs) SS-D 5

6 Product Specifications AWUT A* AWUT A* AWUT A* AWUT A* AWUT A* AWUT A* Nominal Ratings Cooling (BTU/h) 30,000 30,000 30,000 36,000 36,000 36,000 Electric Heat (kw) Blower Diameter (in.) Width (in.) Coil Connections Liquid ⅜" ⅜" ⅜" ⅜" ⅜" ⅜" Suction ¾" ¾" ¾" ¾ ¾" ¾" Coil Drain Connection (FPT) ¾" ¾" ¾" ¾" ¾" ¾" Electrical Data Voltage 230/ / / / / /208 Minimum Circuit Ampacity (230V) Minimum Circuit Ampacity (208V) Max. Overcurrent Device (240V) Max. Overcurrent Device (208V) Minimum VAC Maximum VAC Blower Motor Full Load Amps (FLA) Horsepower (HP) 1/2 1/2 1/2 1/2 1/2 1/2 Ship Weight (lbs) Model AWUT310516XX AWUT310816XX AWUT321016XX AWUT37XX16XX Motor Speed CFM Deliverd Against External Static Pressure 0.1" 0.2" 0.3" 0.4" 0.5" T T T T T T T T T T T T T T T SS-D

7 Dimensions Note - Once installed, top of unit must be level or slightly tilted back to ensure proper condensate drainage. L O W V O L T P O W E R S U P P L Y ( L A R G E C H AS S I S O N L Y ) O F F S E T H AN G I N G B R AC K E T S U C T I O N L I N E L I Q U I D L I N E P U L L O U T DI S C O N N E C T R E M O V AB L E S E R V I C E DO O R L O W V O L T P O W E R S U P P L Y E L E C T R I C AL P O W E R S U P P L Y F R O N T AC C E S S P AN E L S M AL L C H AS S I S S T U D AT T AC H M E N T H O L E S B O T T O M P R I M AR Y AN D S E C O N DAR Y DR AI N S C AN B E AC C E S S E D T H R O U G H T H E B O T T O M O F T H E U N I T. (3 /4 " N P T F E M AL E C O N N E C T I O N ) N O T E : H AN D T I G H T E N O N L Y F R O N T R E T U R N F I L T E R L AR G E C H AS S I S Small Chassis (18-25) Large Chassis (30-37 / AWUT31, 32, 37) A 36" A 36" B 20 3 /16" B 24" C 16⅛" C 21" D 16" D 19⅞" E 11" E 15⅞" Filter 14" x 18" x 1" Filter (30, 36,31,32,37) 18" x 20" x 1" SS-D 7

8 Dimensions D B E C K J TOP VIEW G F I H A Fresh Air Openings Front 4.0" 3.0" 3.0" Bottom L M N BOTTOM VIEW A B C D E F G H I J K L M N " 20¼" 16⅛" 16" 11" 1¾" 1½" 2¼" ⅞" 1⅛" 1¾" 4" 6" 10" 30-37, AWUT 31, 32, 37 36" 24" 21" 19⅞" 16" 4⅛" 1½" 1¾" 2" 1¼" 2⅜" 4" 8" 12" 8 SS-D

9 Airlfow Data Model 18XX16B* 19XX16A* 24XX16B* 25XX16A* 30XX16B* XX AWUT310516XX XX XX AWUT310816XX AWUT321016XX 36XX16B* 37XX16B* AWUT37XX16A* Motor Speed CFM Delivered Against External Static Pressure 0.1" 0.2" 0.3" 0.4" 0.5" High Low T T T T T High Low T T T T T High Low T T T T T T T T T T High Low T T T T T SS-D 9

10 18/24/30/36 Wiring Diagram Wiring is subject to change. Always refer to the wiring diagram on the Warning unit for the most up-to-date wiring. 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 SS-D

11 19/25 Wiring Diagram NOTES: 1. RED WIRE TO BE ON TRANSFORMER TERMINAL "3" FOR 230 VOLTS AND ON TERMINAL "2" FOR 208 VOLTS. 2. CONFIRM SPEED TAP SELECTED IS APPROPRIATE FOR APPLICATION. IF SPEED TAPS NEEDS TO BE CHANGED, CONNECT APPROPRIATE WIRE FROM MOTOR TO "Y" FROM THERMOSTAT/CONDENSER (SEE TAE-1). 3. ASTERISK (*) INDICATES THAT HEATING ELEMENT, THERMAL LIMIT, RELAY AND INTERCONNECTING WIRES AND JUMPERS OF HEATER #2 ARE DELETED WITH SINGLE ELEMENT UNITS. 4. COLOR CODES: - ACK - UE BR - BROWN GR - GREEN PU - PURPLE - RED WH - WHITE YL - YELLOW PK - PINK 5. WIRING CODE: FACTORY WIRING: HIGH VOLTAGE LOW VOLTAGE FIELD WIRING: HIGH VOLTAGE 6. COMPONENT CODE: C - CONTACTOR DISC - DISCONNECT SWITCH EM - EVAPORATER MOTOR F - FUSE HTR - HEATER ELEMENT R - RELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER 7. FOR UNITS USING 3KW AND 5KW HEATERS, WHITE WIRE WILL BE CONNECTED TO TERMINAL 4. L1 L2 DISC WIRE COLOR BTUh PURPLE PINK TAE-1 FIELD CONNECTIONS SEE NOTE 2 USE N.E.C CLASS 2 WIRE C L2 L1 GR BR WH WH WH BR T2 T1 OPTIONAL CONNECTION UNUSED WIRES MUST HAVE THEIR ENDS TAPED OR CAPPED PU PK GR MOTOR CONNECTIONS ONLY ONE WILL BE CONNECTED (SEE NOTE 2) PU PK WH EM CL GN GR/YL SEE NOTE V 4 240V TR SEE NOTE # 3 HTR 1 HTR 2* SEE NOTE 1 TL1 TL2* F Wiring is subject to change. Always refer to the wiring diagram on the Warning unit for the most up-to-date wiring. 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. 0140A00544-A SS-D 11

12 31/32, AWUT31/32 Wiring Diagram NOTES: 1. RED WIRE TO BE ON TRANSFORMER TERMINAL "3" FOR 230 VOLTS AND ON TERMINAL "2" FOR 208 VOLTS. 2. CONFIRM SPEED TAP SELECTED IS APPROPRIATE FOR APPLICATION. IF SPEED TAPS NEEDS TO BE CHANGED, CONNECT APPROPRIATE WIRE FROM MOTOR TO "Y" FROM THERMOSTAT/CONDENSER (SEE TAE-1). 3. ASTERISK (*) INDICATES THAT HEATING ELEMENT, THERMAL LIMIT, RELAY AND INTERCONNECTING WIRES AND JUMPERS OF HEATER #2 ARE DELETED WITH SINGLE ELEMENT UNITS. 4. COLOR CODES: - ACK - UE BR - BROWN GR - GREEN PU - PURPLE - RED WH - WHITE YL - YELLOW L1 L2 FIELD CONNECTIONS SEE NOTE 2 USE N.E.C CLASS 2 WIRE DISC GR BR WH OPTIONAL CONNECTION UNUSED WIRES MUST HAVE THEIR ENDS TAPED OR CAPPED PU PK YL MOTOR CONNECTION ONLY ONE WILL BE CONNECTED (SEE NOTE 2) HTR 1 HTR 2* SEE NOTE # 3 5. WIRING CODE: FACTORY WIRING: HIGH VOLTAGE LOW VOLTAGE FIELD WIRING: HIGH VOLTAGE 6. COMPONENT CODE: C - CONTACTOR DISC - DISCONNECT SWITCH EM - EVAPORATER MOTOR F - FUSE HTR - HEATER ELEMENT R - RELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER WIRE COLOR BTUh NOMINAL CFM PURPLE PINK YELLOW C L2 L1 WH WH BR T2 T1 GR PU YL PK EM CL GN WH GR/YL V 4 240V TR SEE NOTE 1 TAE-1 Wiring is subject to change. Always refer to the wiring diagram on the Warning unit for the most up-to-date wiring. 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. TL1 TL2* F 0140A00542-A 12 SS-D

13 37, AWUT37 Wiring Diagram NOTES: 1. RED WIRE TO BE ON TRANSFORMER TERMINAL "3" FOR 230 VOLTS AND ON TERMINAL "2" FOR 208 VOLTS. 2. SEE COMPOSITE WIRING DIAGRAMS IN INSTALLATION INSTRUCTIONS FOR PROPER LOW VOLTAGE WIRING CONNECTIONS. FIELD CONNECTIONS SEE NOTE 3 USE N.E.C CLASS 2 WIRE 3. ASTERISK (*) INDICATES THAT HEATING ELEMENT, THERMAL LIMIT, RELAY AND INTERCONNECTING WIRES AND JUMPERS OF HEATER #2 ARE DELETED WITH SINGLE ELEMENT UNITS. 4. COLOR CODES: - ACK - UE BR - BROWN GR - GREEN PU - PURPLE - RED WH - WHITE YL - YELLOW L1 L2 DISC 5. WIRING CODE: FACTORY WIRING HIGH VOLTAGE LOW VOLTAGE FIELD WIRING HIGH VOLTAGE LOW VOLTAGE SEE NOTE 2 6. COMPONENT CODE: C - CONTACTOR DISC - DISCONNECT SWITCH EM - EVAPORATER MOTOR F - FUSE HTR - HEATER ELEMENT R - RELAY SEQ - SEQUENCER TL - THERMAL LIMIT TR - TRANSFORMER C Wiring is subject to change. Always refer to the wiring diagram on the Warning unit for the most up-to-date wiring. L2 L1 SPEED TAPS FROM MOTOR SEE NOTE 2 GR BR PU YL WH PK HTR 1 HTR 2* SEE NOTE 3 T2 T1 WH WH BR PU YL SEE NOTE 1 GR PK WH EM CL GN V 4 GR/YL 240V TR 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. TL1 TL2* F 0140A00545-A SS-D 13

14 Notes 14 SS-D

15 Notes SS-D 15

16 Notes Our continuing commitment to quality products may mean a change in specifications without notice Houston, Texas Printed in the USA SS-D

AWUF Series. Wall-Mount Air Handler 1½- to 3-Tons

AWUF Series. Wall-Mount Air Handler 1½- to 3-Tons Series Wall-Mount Air Handler 1½- to 3-Tons Standard Features Suitable for use with refrigerants R-410A and R-22 Equipped with a check flowrater for cooling-only and heat pump operation Direct-drive, multi-speed