innovair GAV24B2A Installer's Manual

Split system cooling only & heat pump

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Indoor Unit

Split System Cooling Only & Heat Pump

Up to 20 SEER2

Air Handler 2 - 5 Tons

R454B

GAV24B2A

GAV36B2A

GAV48B2A

GAV60B2A

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Page 1 Indoor Unit Split System Cooling Only & Heat Pump Up to 20 SEER2 Air Handler 2 - 5 Tons R454B GAV24B2A GAV36B2A GAV48B2A GAV60B2A...
Page 2 208/230V, 1PH, Speed 60Hz Nominal Capacity Refrigerant 24K BTU R454B 36K BTU 48K BTU 60K BTU FOR UP TO DATE INFORMATION SUCH AS SPECIFICATIONS, CATALOGS, AND BULLETINS, PLEASE SCAN BELOW OR VISIT INNOVAIR.COM ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 3: Table Of Contents
7. Refrigerant Pipe Connection ................27 8. Air Filter (Not Factory Installed) ..............30 9. Installation Size of Filter ................. 31 10. Maintenance ....................32 11. Wiring Diagram ..................... 33 12. Exploded View ....................37 ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 4: Symbol And Key To Safety Instructions
Indicates a hazardous situation, which may cause mild to moderate Caution injury if not avoided. Note Used to deal with behaviors unrelated to personal injury. Important Information This symbol represents important information that is not harmful to people or property. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 5 All of the manufacturer’s split systems are AHRI rated only with TXV indoor systems. Some of the benefits of installing approved matched indoor and outdoor split systems are maximum efficiency, optimum performance and the best overall system reliability. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 6 ● The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater. ● Do not pierce or burn. ● Be aware that refrigerants may not contain an odor. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 7 ● Make sure the fan bracket is fastened (3motor mounting bolts-Figure1). Then, before operating the device, checking whether the wheels are firmly fixed on the motor shaft. Blower motor mounting bolts Figure 1.1 ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 8 – If an indirect refrigerating circuit is being used, the secondary circuit shall be checked for the presence of refrigerant. – marking to the equipment continues to be visible and legible. Markings and signs that are illegible shall be corrected. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 9 2.2 Particular attention shall be paid to the following to ensure that by working on electrical components, the casing is not altered in such a way that the level of protection is affected. This shall include damage to cables, and the excessive number of con ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 10: General
To ensure proper installation, please choose a firm and flat site. Make sure enough clearance is reserved for installation and maintenance. AIRFLOW ≥40" ≥40" Clearances in the Horizontal Position Front of unit ＞0 ＞0 ≥25" Figure 2.1 Required clearance ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 11 For the use of auxiliary drainage tray, please refer to local regulations. Drain piping Auxiliary drain pan Auxiliary drain pan Drain piping Figure 2.2 Vertical airflow installed Figure 2.3 Horizontal installation on the right side ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 12 SENSOR T1 LOCATION SENSOR T2 LOCATION FRONT WATER CATCHER AUXILIARY HORIZONTAL DRAIN CONNECTION PRIMARY DRAIN CONNECTION VERTICAL DRAIN PAN AUXILIARY UPFLOW/DOWNFLOW DRAIN CONNECTION NON-ADJUSTABLE TXV LEAK DETECTION SENSOR Figure 2.6 Indoor coil of inverter unit ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 13: Unit Dimension
19-5/8 [500] 22 [560] 17-7/8 [454] 3/8 / 3/4 [9.5]/[19] 53-1/8 [1350] 22 [560] 24 -1/2[623] 19-1/2 [496] 3/8 / 3/4 [9.5]/[19] 53-1/8 [1350] 22 [560] 24 -1/2[623] 19-1/2 [496] 3/8 / 3/4 [9.5]/[19] ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 14: Application
Figure 3.1. 2-15/16'' 1-3/8 5/16 2-15/16 Figure 3.1 Dimension of air handler (coil part) Table 3.1 Model "H1" inch [mm] "H2" inch [mm] 24K/36K 12-1/4 [311] 2-1/4[57] 48K/60K 19[483] 1-25/32[45] ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 15 See figs. 3.4. ● When configured to be placed horizontally above the ceiling and/or living space, it is recommended to use an additional field supplied drain pan. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 16 3. Install the coil in the correct direction and fix it in place. Reinsert those sensor wires in PCBA through the gap on the cabinet cover (Figure 3.3, Step 3). STEP1 STEP2 Leak detection sensor T1 Sensor T2 Sensor STEP3 the gap Figure 3.3 Vertical downward and horizontal left application conversion ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 18 Install the access panels, make sure there is no outstanding gap to allow refrigerant escape in case of leakage. STEP1 STEP2 Figure 3.5 Steps to replacing the leak detection sensor ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 19 1. Plug the unused drain holes with the plugs provided in the accessory bag comes with the unit. 2. The unit must be put the horizontal angel of the formation of greater than or equal to 5°. Figure 3.6-3 ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 20 Table: Minimum room area/ zone de chambre minimal (e.g.: 36K Installation connection piping length of 25 feet and refrigerant charge of 116.4oz results in an installation room area of not less than 106.57 sq. ft.) ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 22 A1 room area. then no additional mechanical ventilation is required, otherwise refer to table 3.7 below. Table 3.7 (oz) Q (m 29.4 58.8 88.2 117.6 146.9 176.3 205.7 235.1 63.5 84.6 105.8 137.6 (oz) 158.7 179.9 222.2 ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 23: Power Supply Wiring
● For the correct wiring instructions, please refer to the wiring diagram located back side of the air handler blower access panel. ● After installation, make sure that the low-voltage and high-voltage wiring are kept separate. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 24: Electrical Data
● ● ● ● ● 21-4444-03 39.32 43.48 × ● ● ● ● 21-4444-04 29.50/29.50 32.61/32.61 40/40 45/45 × × ● ● ● 21-4444-05 39.32/39.32 43.48/43.48 55/55 60/60 × × × ● ● ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 25 Children should be supervised to ensure that they do not play with the appliance. ● The appliance shall be installed in accordance with national wiring regulations. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 26: Airflow Performance
1. The advanced airflow must be used as the rated airflow for the full-load operation of the machine. 2. The rated airflow of a system without an electric heater kit requires 300 to 450 cubic feet of air per minute (CFM). ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 27 The function utilizes the indoor coil sensor(T2) to determine whether the indoor coil is freezing or not. This feature prevents the unit from running at low evaporating temperature as well as low suction superheat. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 28 5) Insert a USB flash drive which contains the Updated Software File into the USB port 6) Wait till the green light flashes slowly 7) Pull out the USB flash drive. SW1-2 90 seconds delay SW1-2 Anti-Cold Air Figure 5.1 ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 29: Ductwork
● Use appropriate fasteners suitable for the type of duct used, fix the outlet and return ducts to the flanges of the device, and connect the ducts to the device with adhesive tape as needed to prevent air leakage. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 30: Refrigerant Pipe Connection
Be extra careful not to damage, kink, or Copper pipe deform the pipe while cutting. This will drastically reduce the heating performance. • Remove PVC tape from ends of pipe when rea to perform aring work. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 31 NOTICE binding tape. Use both a spanner and a torque wrench when connecting or disconnecting pipes to/from NOTICE the unit. DO NOT intertwine or cross the signal cable with any other wiring. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 32 Check to ensure that the drain pan completely drains water, no leakage is found in the drainpipe fittings, and water is discharged from the main drainpipe terminal. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 33: Air Filter (Not Factory Installed)
AHU elements. This residue will stain the ceiling, walls, curtains, carpets and other items in the house. When some types of candles, oil lamps or igniters burn, soot may be generated in the filter. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 34: Installation Size Of Filter
● Install a new filter so that the arrow on the filter screen is consistent with the airflow direction. ● If a reusable filter is used, please clean it according to the manufacturer's specifications before rein- stalling it. ● The filter needs to meet UL 900 standard. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 35: Cleaning Precautions
3. Check and clean indoor and outdoor coils as needed. 4. Check and/or clean indoor coil drain pan, and drainpipe and auxiliary drain pan and pipe. 5. Check all wires and connections. Refer to the wiring diagram and make corrections as needed. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 36: Wiring Diagram
Dh wiring is optional and requires a thermostat with a humidifier. Dh plays the role of passive dehumidification and puts the indoor blower in the Low fan speed. If Dh wiring is missing, the system will run in the normal operation sequence. ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 37 INDOOR UNIT OUTDOOR UNIT Note: Any time the electric heat elements are active, the indoor fan will run in high stage. Figure 11.5 Control Wiring For HP Systems ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 38 INDOOR UNIT OUTDOOR UNIT Note: W1 and W2 are jumped, so Electric Heat will only function in high stage. Figure 11.8 Control Wiring For HP Systems ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 39 PR PURPLE WH WHITE SW1-4 DASHED CIRCLE(Optional 5 --- HIGH 4 --- MEDIUM HIGH GY GREY YE YELLOW RESERVED Applicable to 24K/36K/48K/60K NOTE: For reference only, the actual wiring diagram shall prevail ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...
Page 40: Exploded View
Evaporator baffle Rear Enclosure Assembly Evaporator baffle Down side plate assembly Evaporator baffle Refrigerant leakage sensor Evaporator baffle Temp. sensor (T1) Evaporator baffle Temp. sensor (T2) Evaporator Fixing Plate #1 DC motor ©2024 Innovair Solutions. All Rights Reserved. www.innovair.com...

This manual is also suitable for:

Gav36b2a Gav48b2a Gav60b2a

innovair GAV24B2A Installer's Manual

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