Summary of Contents for Ingersoll-Rand TAM7A0A24H21EA
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Air Handlers Convertible 2 — 5 Ton B B l l a a c c k k E E p p o o x x y y C C o o i i l l s s TAM7A0A24H21EA TAM7A0B30H21EA TAM7A0C36H31EA...
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SAFETY SECTION AIR HANDLERS I I m m p p o o r r t t a a n n t t — This document contains a wiring W W A A R R N N I I N N G G diagram, a parts list, and service information.
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. S cre ws a re a llowe d up to 3- 3/4”...
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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 Equipment Accessory Number Description Fits Cabinet Size BAYEVAC04BK1AA Electric Heater, 4kW, Breaker, RS-485 Control, 1 Ph A to C Electric Heater, 4kW, Lugs, RS-485 Control, 1 Ph BAYEVAC04LG1AA A to C Electric Heater, 5kW, Breaker, RS-485 Control, 1 Ph BAYEVAC05BK1AA A to C Electric Heater, 5kW, Lugs, RS-485 Control, 1 Ph...
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 Remove airflow diverter from the bottom of coil drain pan by gripping the plastic diverter while using your thumbs to spread the top of the diverter slightly outwards and then pulling down...
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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 Use a 5/16 Allen wrench on the locking mechanism on each side of the bottom half of the cabinet to loosen the locking mechanism.
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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 10.
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.
Compartment Unit Net Weight MODEL NUMBER (inches) Height * (pounds) (inches) TAM7A0A24H21SD 49.9 x 17.5 x 21.8 28.1 TAM7A0A24H21EA TAM7A0B30H21SD 55.7 x 21.3 x 21.8 33.9 TAM7A0B30H21EA TAM7A0C36H31SD 56.9 x 23.5 x 21.8 35.1 TAM7A0C36H31EA TAM7A0C42H31SD 56.9 x 23.5 x 21.8 35.1...
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. Refrigerant Connections Low Voltage...
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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 Horizontal Left Con guration Air ow Low Voltage Horizontal Left...
Ducted and Non-Ducted Applications Table 4. Non-Ducted Applications Suppl y Du ct 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 7.
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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 9.
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 TAM7A0A24H21SD, TAM7A0A24H21EA TAM7A0B30H21SD, TAM7A0B30H21EA TAM7A0C36H31SD, TAM7A0C36H31EA TAM7A0C42H31SD, TAM7A0C42H31EA TAM7A0C48H41SD, TAM7A0C48H41EA TAM7B0C60H51SC, TAM7B0C60H51EA 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 He a te r Remove Heater, Coil, and Line Set panels. Pa n e l Table 2, p. 5 Lin e Se t Pa n e l Co il Pa n e l Important: Do NOT unseal coil refrigerant connection stubs until ready to make connections.
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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 150 PSIG 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 Table 14. Condensate Drain Piping Considerations • Condensate drain plumbing must comply with national, state, and local codes. • Do not connect the drain line to a closed drain system. • Route condensate drain lines away from air handler so they do not •...
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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 Table 15.
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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 16. Low Voltage Maximum Wire Length 24 VOLTS The associated table defines the maximum WIRE SIZE MAX. WIRE LENGTH total length of low voltage wiring from the outdoor unit to the indoor unit, and to the 18 AWG 150 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 Make connections per hookup diagrams.
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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 Figure 2.
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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 Figure 3.
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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 Figure 4.
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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.
Co o l Off De la y INDOOR MODEL S1–1 S1–2 OD MULTIPLIER To rq u e TAM7A0A24H21SD TAM7A0A24H21EA +12V Airflo w Co n tro l (AFC) TAM7A0B30H21SD • Set the S1–4 dip switch for the number of stages on TAM7A0B30H21EA the outdoor unit.
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AC (S ys te m) CFM/TON CFM/TON 2 (S ta g e s ) 2 (Co mp re s s o r) TAM7A0A24H21SD TAM7A0A24H21EA INDOOR R NET 1 R NET 2 CFM/To n TAM7A0B30H21SD Co o l Off De la y...
Indoor Blower Options BK J u m p e r • Humidity Control for Cooling — This unit is capable of providing additional dehumidification during the cooling mode by reducing the airflow when humidity is above the set point. A conventional field supplied humidistat is required to control this function.
Control Plate Reinstall 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. Pa s s th ro u g h n o tch in co il a cce s s d o o r 18-GJ06D2-2E-EN...
Electrical — High Voltage Table 18. 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 —...
Filters Table 20. 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. DONE CANCEL Turn on electrical power disconnect(s) to apply power to the indoor and outdoor units. Set the system thermostat to ON.
TAM7 Sequence of Operation Abbreviations 3. R-G contacts close on comfort control sending 24VAC to the G terminal of the AFC. • AFC = Airflow Control 4. The AFC micro-processor sends a command to the • EVC = Expansion Valve Control serial communicating blower motor to run at 100%.
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T T A A M M 7 7 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 O O D D T T w w o o S S t t a a g g e e ( ( c c o o o o l l i i n n g g m m o o d d e e ) ) N N o o t t e e : : The EHC has "lead-lag"...
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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N N o o t t e e s s The manufacturer optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments, the manufacturer offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts.