Variable refrigerant flow system, air handling unit (ahu) application kit (34 pages)
Summary of Contents for Ingersoll-Rand TAM9A0A24V21DA
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Installer’s Guide Variable Speed Air Handlers Convertible 2 — 5 Ton TAM9A0A24V21DA TAM9A0B30V31DA TAM9A0C36V31DA TAM9A0C42V41DA TAM9A0C48V41DA TAM9A0C60V51DA N N o o t t e e : : “Graphics in this document are for representation only. Actual model may differ in appearance.”...
Installer Guide Notes A A L L L L P P h h a a s s e e s s o o f f t t h h i i s s i i n n s s t t a a l l l l a a t t i i o o n n m m u u s s t t c c o o m m p p l l y y w w i i t t h h N N A A T T I I O O N N A A L L , , S S T T A A T T E E a a n n d d L L O O C C A A L L C C O O D D E E S S ! ! I I m m p p o o r r t t a a n n t t : : This Document is customer property and is to remain with t his unit.
Unit Design Table 1. Cabinet Penetration Important: Due to the unique design of this unit, which allows the electrical wiring to be routed within the insulation, do not screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated. Important: Under no conditions should metal strapping be attached to the unit to be used as support mechanisms for carrying or suspension purposes.
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U U n n i i t t D D e e s s i i g g n n The Coil, Line Set, and Heater panels are removed using Phillips head screws. Removal requires #3 Size Phillips Coil and Heater panels must be removed prior to removing the Line Set panel.
Unit Install Preparation Check for damage and report promptly to the carrier any damage found to the unit. Note: If the unit must be transported in a horizontal position, it must be laid on its back (marked “REAR” on carton). Note: After unit is removed from the carton, verify coil is pressurized.
Optional Accessories Accessory Number Description Fits Cabinet Size Electric Heater, 4kW, Breaker, 24V Control, 1 Ph BAYEAAC04BK1 A to C Electric Heater, 4kW, Lugs, 24VControl, 1 Ph BAYEAAC04LG1 A to C Electric Heater, 5kW, Breaker, 24V Control, 1 Ph BAYEAAC05BK1 A to C Electric Heater, 5kW, Lugs, 24VControl, 1 Ph BAYEAAC05LG1...
Optional Cabinet Disassembly Note: If the unit must be transported in a horizontal position, it must be laid on its back (marked “REAR” on carton). Note: To reassemble cabinet, follow the steps in reverse order. Ensure electrical connections are secure and the plug clips are engaged. Remove all four front panels.
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O O p p t t i i o o n n a a l l C C a a b b i i n n e e t t D D i i s s a a s s s s e e m m b b l l y y Slide Coil assembly out of unit using built-in coil support channels and set aside Use a 5/16 Allen wrench on the locking mechanism on each side...
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O O p p t t i i o o n n a a l l C C a a b b i i n n e e t t D D i i s s a a s s s s e e m m b b l l y y Lift the Coil section up and away from the Blower section.
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O O p p t t i i o o n n a a l l C C a a b b i i n n e e t t D D i i s s a a s s s s e e m m b b l l y y For extremely tight spaces where the cabinet needs to be rotated through a small opening, remove the top panel and all cross members.
Placing Unit at Location Carry the unit to the installation location Reassembly by reversing the steps listed in Section 4 if disassembly was required. If cut, wire ties that held the sensor wiring must be replaced. Important: Under no conditions should metal strapping be attached to the unit to be used as support mechanisms for carrying or suspension purposes.
Coil and Heater H x W x D Compartment Unit Net Weight MODEL NUMBER (inches) Height * (pounds) (inches) TAM9A0A24V21DA 49.9 x 17.5 x 21.8 28.1 TAM9A0B30V31DA 55.7 x 21.3 x 21.8 33.9 TAM9A0C36V31DA 56.9 x 23.5 x 21.8 35.1 TAM9A0C42V41DA 56.9 x 23.5 x 21.8...
Four-Way Conversion To place the unit in the configuration your application requires (upflow, downflow, horizontal right, or horizontal left), simply turn the unit to that orientation. Remember to adjust the badge accordingly. Note: The air handlers are shipped from the factory suitable for four-way application. Note: Entry for low voltage connections is allowed on either side of cabinet.
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F F o o u u r r - - W W a a y y C C o o n n v v e e r r s s i i o o n n 18-GJ82D1-1B-EN...
Ducted and Non-Ducted Return Applications Table 4. Non-Ducted Applications C C A A U U T T I I O O N N H H A A Z Z A A R R D D O O U U S S V V A A P P O O R R S S ! ! F F a a i i l l u u r r e e t t o o f f o o l l l l o o w w t t h h i i s s C C a a u u t t i i o o n n c c o o u u l l d d r r e e s s u u l l t t i i n n p p r r o o p p e e r r t t y y d d a a m m a a g g e e o o r r p p e e r r s s o o n n a a l l i i n n j j u u r r y y .
Additional Unit Preparation Considerations For proper installation the following items must be • Consider the overall space needed when external considered prior to moving the unit to its installation accessories are used, additional height and width site: requirements may exist. •...
Setting the Unit — Vertical Installation Table 6. Considerations Provide a minimum height of 14 inches for proper unrestricted airflow below the unit. Allow a minimum of 21 inches clearance in front of the air handler to permit maintenance and removal of filter. •...
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S S e e t t t t i i n n g g t t h h e e U U n n i i t t — — V V e e r r t t i i c c a a l l I I n n s s t t a a l l l l a a t t i i o o n n Table 8.
Setting the Unit — Horizontal Installations Table 10. Considerations Important: Due to the unique design of this unit, which allows the Field Supplied electrical wiring to be routed within the insulation , do not Isolators screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated in this Installer Guide or in an approved accessory’s Installer Guide.
Connecting the Duct work Table 11. Duct Connection Considerations Important: Due to the unique design of this unit, which allows the electrical wiring to be routed within the insulation, do not screw, cut, or otherwise puncture the unit cabinet in any location other than the ones illustrated in this Installer Guide or in an approved accessory’s Installer Guide.
Refrigerant Line Table 12. Refrigerant Line Connection Sizes Vapor Line Connection Liquid Line Connection Model TAM9A0A24V21DA TAM9A0B30V31DA TAM9A0C36V31DA TAM9A0C42V41DA TAM9A0C48V41DA TAM9B0C60V51DA Notes: This table indicates the tubing connection diameters at the indoor coil. A field supplied reducing coupling may be required.
Refrigerant Line Brazing Table 13. Braze the Refrigerant Lines Remove Heater, Coil, and Line Set panels. Important: Do NOT unseal coil refrigerant connection stubs until ready to make connections. Important: Heat Sensitive Sensors. The Gas Temperature Sensor must be removed or a wet rag must be wrapped around the suction line between the Sensor and the braze joint to protect it from failure due to overheating.
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R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g Table 13.
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R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g Pressurize the refrigerant lines and evaporator coil to 150 PSIG using dry nitrogen.
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R R e e f f r r i i g g e e r r a a n n t t L L i i n n e e B B r r a a z z i i n n g g 10.
Condensate Drain Piping Condensate Drain Piping Considerations • Condensate drain plumbing must comply with national, state, and • Do not connect the drain line to a closed drain system. local codes. • Do not use a torch or flame near the plastic drain pan coupling. •...
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C C o o n n d d e e n n s s a a t t e e D D r r a a i i n n P P i i p p i i n n g g Install a clean-out tee in the primary drain line for future maintenance.
Electrical — Low Voltage Table 14. Low Voltage Maximum Wire Length The Low Voltage Maximum Wire Length table Control Wire — Communicating defines the size and combined total maximum length of the low voltage wiring from the WIRE SIZE MAX. WIRE LENGTH outdoor unit, to the indoor unit, and to the 18 AWG 500 FT.
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E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e Remove the control board from the control pocket by sliding the control pocket mounting plate out until the first stop is reached.
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E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e *Caution: Do not run Outdoor/Remote sensor wires in the same bundle with HVAC wires.
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E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e 1.
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E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e Secure the sheathed wiring to the control pocket mounting plate using the factory supplied wire ties attached to the tabs as shown.
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E E l l e e c c t t r r i i c c a a l l — — L L o o w w V V o o l l t t a a g g e e Table 16.
Control Panel Reinstallation Slide control plate assembly into the control pocket until fully seated. The control plate should be flush with the outer edge of the unit. Replace coil panel making sure that the wires are located within the wire pass-through provided in the panel. 18-GJ82D1-1B-EN...
Electrical — High Voltage Table 17. High Voltage Power Supply The high voltage power supply must match the equipment nameplate. W W A A R R N N I I N N G G Power wiring, including ground wiring must comply with national, L L I I V V E E E E L L E E C C T T R R I I C C A A L L C C O O M M P P O O N N E E N N T T S S ! ! sate, and local codes.
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E E l l e e c c t t r r i i c c a a l l — — H H i i g g h h V V o o l l t t a a g g e e BLACK If an electric heater IS NOT being installed, remove the pigtail harness from the documentation pack and connect it to the plug...
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E E l l e e c c t t r r i i c c a a l l — — H H i i g g h h V V o o l l t t a a g g e e Reinstall all panels before starting the air handler Note: After replacing all panels, loosen the Line Set Panel screws approximately 1/4 —...
TAM9 OUTLINE DRAWING NOTE: THIS UNIT IS APPROVED FOR INSTALLATION CLEARANCES TO COMBUSTIBLE MATERIAL AS STATED ON THE UNIT RATING NAMEPLATE FLOW GAS LINE LIQ LINE Model Number CONTROL BRAZE BRAZE TAM9A0A24H21DA 49.9 39.6 14.5 17.5 14.5 24.4 TAM9A0B30H31DA 55.7 45.5 18.4 21.3...
TAM9 — Technician Menu and Configuration tree Table 19. CDA Home Screen 18-GJ82D1-1B-EN...
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T T A A M M 9 9 — — T T e e c c h h n n i i c c i i a a n n M M e e n n u u a a n n d d C C o o n n f f i i g g u u r r a a t t i i o o n n t t r r e e e e Table 20.
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T T A A M M 9 9 — — T T e e c c h h n n i i c c i i a a n n M M e e n n u u a a n n d d C C o o n n f f i i g g u u r r a a t t i i o o n n t t r r e e e e Table 21.
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T T A A M M 9 9 — — T T e e c c h h n n i i c c i i a a n n M M e e n n u u a a n n d d C C o o n n f f i i g g u u r r a a t t i i o o n n t t r r e e e e Table 22.
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T T A A M M 9 9 — — T T e e c c h h n n i i c c i i a a n n M M e e n n u u a a n n d d C C o o n n f f i i g g u u r r a a t t i i o o n n t t r r e e e e Table 23.
Filters Table 24. Filter Considerations • A filter must be installed within the system. • A filter channel is provided in the unit at the bottom of the Blower/ Filter compartment. • For customer ease of filter maintenance, it is recommended that a properly sized remote filter grill(s) be installed for units that are difficult to access.
System Start Up Make sure all panels are securely in place and that all wiring has been properly dressed and secured. Set the system thermostat to OFF. Turn on electrical power disconnect(s) to apply power to the indoor and outdoor units. Set the system thermostat to ON.
TAM9 Sequence of Operation Abbreviations N N o o t t e e : : Delay profiles from the thermostat may change blower motor timing and actual airflow demand. • AFC = Airflow Control • EVC = Expansion Valve Control H H e e a a t t p p u u m m p p ( ( c c o o m m p p r r e e s s s s o o r r o o n n l l y y ) ) •...
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T T A A M M 9 9 S S e e q q u u e e n n c c e e o o f f O O p p e e r r a a t t i i o o n n 3.
Fault Reporting Fault Reporting Control boards in this unit store active and historical faults. Each control board will report active faults continuously and will report the last four faults stored after a power cycle of the unit. See Fault Table in the Service Facts for list of fault codes.
Checkout Procedures The final phase of the installation is the system Checkout Procedures. The following list represents the most common items covered in a Checkout Procedure. Confirm all requirements in this document have been met. All wiring connections are tight and properly secured. Supply registers and return grilles are open, unobstructed, and air filter is installed.
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