VALVE WIRING

Valves MUST be connected to the correct processor mod- ule terminal to operate properly. Damage to the actuator may occur if the valve is improperly connected.

Hot Water Valves (Fig. 15) Ð Using a 4-conductor 20 AWG cable (two twisted pairs, no shield), connect the hot water valve actuator as follows:

1.Using twist-on wire connectors, connect the BLACK and WHITE/BLUE leads inside the actuator junction box to the 24 vac power wires of the cable. Connect the other ends of the power wires to TB2, pins 11 and 12, in the PIC control box.

2.Using twist-on wire connectors, connect the RED (1) and GREEN (−) leads inside the actuator junction box to the other 2 wires in the cable. Note the polarity of each wire.

3.Connect the positive signal wire (connected to the RED lead) to pin 43 on the processor module. Connect the nega- tive signal wire (connected to the GREEN lead) to pin 44 on the processor module.

Chilled Water Valves (Fig. 16) Ð Using a 4-conductor 20 AWG cable (two twisted pairs, no shield), connect the chilled water valve actuator as follows:

1.Using twist-on wire connectors, connect the BLACK and WHITE/BLUE leads inside the actuator junction box to the 24 vac power wires of the cable. Connect the other ends of the power wires to TB2, pins 9 and 10, in the PIC control box.

2.Using twist-on wire connectors, connect the RED (1) and GREEN (−) leads inside the actuator junction box to the other 2 wires in the cable. Note the polarity of each wire.

3.Connect the positive signal wire (connected to the RED lead) to pin 46 on the processor module. Connect the nega- tive signal wire (connected to the GREEN lead) to pin 47 on the processor module.

Duct Static Pressure Probe (VAV Units) Ð The duct static pressure probe is shipped inside the control box.

Select a location in the ductwork where the static pressure will be representative of the static pressure to be monitored and maintained (typically 2/3 of the distance down the duct from the fan). Install the probe with the tip facing the air- ¯ow. See Fig. 17.

Use 1¤4-in. OD approved polyethylene tubing for up to 50 ft (3¤8-in. OD for 50 to 100 ft) to connect the probe to the 39L or 39NX unit. Route the tubing back to the mechanical room and connect the tubing to the bulkhead ®tting labelled H (HIGH), located on the bottom edge of the 39L control box or top edge of the 39NX control box.

NOTE: If the probe is more than 100 ft from the control box, it is recommended that the static pressure sensor be re- moved from the control box and mounted remotely. The sen- sor should be mounted closer to the probe and then rewired to the original connections in the control box.

NOTE: Connections for 39NX with integral PIC shown. See wiring diagrams in Fig. 9 and 12 for terminal connections in 39L control box and all remote-mount control boxes.

Fig. 15 Ð Hot Water Valve Wiring

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Carrier 39L specifications Hot Water Valve Wiring
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39L specifications

The Carrier 39L is a cutting-edge air conditioning unit designed for both residential and commercial applications, providing exceptional cooling and heating performance. Equipped with advanced technologies, this system ensures optimal climate control while maintaining energy efficiency.

One of the standout features of the Carrier 39L is its inverter technology. This innovation allows the system to adjust its compressor speed based on the ambient temperature, which results in a significant reduction in energy consumption. By operating at varying capacities rather than a fixed output, the 39L can maintain a consistent temperature, enhancing comfort while lowering electricity bills.

The Carrier 39L also includes a high-efficiency air filtration system, designed to capture dust, allergens, and other airborne particles. This not only improves indoor air quality but also promotes a healthier living environment. The filtration system is complemented by anti-bacterial treatment, ensuring that the air circulated within your space is both clean and refreshing.

In terms of design, the Carrier 39L boasts a sleek and compact form factor, making it easy to integrate into various settings, from homes to offices. Its quiet operation is another notable feature, as it minimizes noise levels, allowing occupants to enjoy a serene atmosphere without disruptive sound.

Further enhancing convenience, the Carrier 39L comes equipped with smart connectivity options. Users can control the unit remotely via a smartphone app, making it easy to adjust settings, program schedules, and monitor energy usage from anywhere. This feature not only improves user experience but also supports energy-saving practices.

Durability is also a key characteristic of the Carrier 39L. Constructed with high-quality materials and coated with corrosion-resistant treatments, the unit is built to withstand various environmental conditions. This ensures long-lasting performance and reduces the need for frequent maintenance.

Overall, the Carrier 39L is a versatile, efficient, and user-friendly air conditioning solution. Its blend of advanced technologies, energy-saving capabilities, and robust design makes it an ideal choice for those seeking reliable climate control in their spaces. Whether for residential comfort or commercial necessity, the Carrier 39L stands out as a leader in modern air conditioning.
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