4 IN/4 OUT MODULE (SIO) (Fig. 22) - 4 In/4 Out mod- ule allows the following features to be utilized:

1.Temperature Reset by outdoor air or space temperature. A remote thermistor (Part No, 30GB660002) is also re- quired.

NOTE: This accessory is not required for return water temperature reset.

2.Temperature Reset by remote 4-20 mA signal.

3.Demand Limit by remote 2-stage switch.

4.Demand Limit by remote 4-20 mA signal

5.Dual Set Point by remote switch.

The options module is standard on 30GN040-210 and a s s o c i a t e d m o d u l a r c h i l l e r s a n d i s a v a i l a b l e a s a field-installed accessory on 3OGT225, 250, and 280 Flotronic T” II chillers.

Remember to reconfigure the chiller for each feature se- lected (see Table 13). For temperature reset, demand limit, and dual set point, desired set points must be entered through keypad and display module (see Set Point Function section on page 39).

See Table 17 for overall troubleshooting information.

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Fig. 22 - 4 In/4 Out Module (SIO)

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Image 66
Carrier 040-420 specifications Comm
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040-420 specifications

The Carrier 040-420 is a highly regarded commercial HVAC unit specifically designed for efficient heating and cooling in medium- to large-sized buildings. Known for its reliability and advanced technology, this system is ideal for a variety of applications ranging from offices to industrial spaces.

One of the main features of the Carrier 040-420 is its energy efficiency. The unit utilizes advanced compressors and a high-efficiency heat exchanger, which work together to minimize energy consumption while maximizing performance. This is crucial in today’s energy-conscious environment, as businesses strive to reduce operational costs and their carbon footprint. The unit also boasts a high SEER (Seasonal Energy Efficiency Ratio) rating, making it an attractive option for those looking to lower their utility bills.

Equipped with advanced inverter-driven technology, the Carrier 040-420 allows for precise control of indoor climate conditions. This means that the system can adjust its output according to the actual cooling or heating demand of the space, resulting in enhanced comfort and reduced energy waste. The inverter technology also contributes to quieter operation, allowing for a more pleasant indoor environment.

Another feature that sets the Carrier 040-420 apart is its smart controls. The unit can be integrated with Carrier’s Building Automation Systems, enabling remote monitoring and management. This allows facility managers to optimize energy use and immediately respond to any performance issues. Additionally, the unit is compatible with various control interfaces, making it easy for users to adjust settings or schedule operations according to the building's occupancy patterns.

The robust design of the Carrier 040-420 ensures longevity and durability, even in harsh environmental conditions. Its weatherproof casing protects the internal components, enhancing the unit's performance and reliability over time. Maintenance is simplified with accessible design features, allowing technicians to conduct service checks and repairs without extensive downtime.

Overall, the Carrier 040-420 stands out as a modern HVAC solution that combines energy efficiency, advanced technologies, and user-friendly features. Its commitment to performance and sustainability makes it an ideal choice for businesses looking to enhance comfort while being mindful of their energy consumption. With its blend of innovation and reliability, the Carrier 040-420 continues to be a preferred option in the commercial HVAC market.
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