Step 8 — Make Connections Between Indoor and Outdoor Units — The thermostat is wired between the indoor and outdoor units to make the system complete.

CHECK ACCURATER METERING DEVICE — The cor- rect AccuRater (bypass type) refrigerant control is required for system capacity optimization. An AccuRater device (see Fig. 19) is supplied with the outdoor unit. Refer to Tables 4A-4C to determine the correct AccuRater piston size and charge combination required for the condenser/evaporator system being installed.

Piston style as shown in Fig. 19 is shipped with the unit. Do not interchange components between the AccuRater device types.

COOLING ONLY SYSTEMS — The following connec- tions must be made to the outdoor unit for it to operate as a sys- tem with the indoor unit:

Route 2 wires of field-supplied 18-gage AWG (American Wire Gage) thermostat cable between the low-voltage terminal block of the fan coil unit and the blue and brown low-voltage wires in the outdoor unit low voltage terminal block. Connect the wires Y1 to Y and C to C. See Fig. 19.

HEAT PUMP SYSTEMS — The following connections must be made to the outdoor unit for it to operate as a system with the indoor unit:

Route 5 wires of field-supplied 18-gage AWG thermostat cable between the low-voltage terminal block of the fan coil and the outdoor unit low-voltage terminal block. Connect Y1 to Y, R to R, O to O, W2 to W2, and C to C with the wires. See Fig. 20.

The heat pump unit uses a timed defrost method. The timed defrost can be field set for 30, 50, or 90 minutes. The timed de- frost is factory set for 90 minutes.

 

 

 

LEGEND

ASM

— Air Sweep Motor

NEC

— National Electrical Code

ASR

— Air Sweep Relay

PL

— Plug

EQUIP GND

— Equipment Ground

TB

— Terminal Board

FL

— Fuse Link

TRAN

— Transformer

FPT

— Freeze Protection Thermostat

 

Terminal (Marked)

HP

— Heat Pump

 

 

 

HR

— Heater Relay

 

Terminal (Unmarked)

HTR

— Heater

 

Splice

HTT

— Heater Temp. Thermostat

 

 

 

IFM

— Indoor-Fan Motor

 

 

NOTES:

1.If any of the original wire furnished must be replaced, it must be replaced with type 90 C wire or its equivalent.

2.Wire in accordance with NEC and local codes.

3.Transformer is thermally protected and will reset automatically.

4.Indoor-fan motor(s) are inherently thermally protected.

Fig. 17 — Control Circuit Connections Arrangement

Terminal Block

Factory Wiring Field Power Wiring Field Control Wiring Printed Circuit Board Accessory or Optional Wiring

13

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Carrier 40QA024-060 specifications Asm, Asr, Equip GND, Tran, Fpt, Htr, Htt, Ifm
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40QA024-060 specifications

The Carrier 40QA024-060 represents a significant advancement in the field of air conditioning and heat pump systems, designed to provide efficient climate control for both residential and commercial applications. This package unit integrates cutting-edge technologies to enhance performance, reliability, and ease of use, making it an ideal choice for a variety of settings.

One of the standout features of the 40QA024-060 is its energy efficiency. The unit is equipped with a high-efficiency compressor that is designed to minimize power consumption while still delivering optimal cooling and heating performance. This translates into lower energy bills and a reduced environmental footprint, aligning with the growing demand for sustainability in HVAC systems.

Another important characteristic of the Carrier 40QA024-060 is its compact design. The unit is engineered for space-saving installations, making it suitable for locations where space is at a premium. Its durable construction ensures longevity and reliability in various weather conditions, providing peace of mind for users.

The 40QA024-060 utilizes advanced refrigerant technologies, including the use of R-410A refrigerant, which is known for its superior cooling capabilities and lower ozone depletion potential compared to older refrigerants. This aligns with modern environmental standards and contributes to the goal of eco-friendly operation.

In terms of operation, the unit features a microprocessor-based control system that allows for precise temperature management. Users can easily set their desired indoor climate settings, and the system will automatically adjust operational parameters to maintain those conditions efficiently.

Flexibility is also a key advantage of the Carrier 40QA024-060. The unit offers various configurations and can be integrated with existing ductwork, making it adaptable to different residential or commercial layouts. Additionally, the option for variable-speed blower technology enhances comfort by providing consistent airflow and reducing temperature fluctuations.

The Carrier 40QA024-060 is also designed with serviceability in mind. Access panels and maintenance features make it easy for technicians to perform routine inspections or repairs, reducing downtime and ensuring optimal performance over the unit's lifespan.

In conclusion, the Carrier 40QA024-060 combines energy efficiency, advanced technology, and robust design to meet the demands of climate control in diverse environments. Its features make it a reliable choice for both residential and commercial applications, contributing to enhanced comfort and operational efficiency.
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