Probable Cause

 

Corrective Action

 

 

 

 

 

 

1.

Is the contactor closed but not energized?

1.

Replace the contactor.

 

2.

Does the processor board display capacity output but

2.

Replace the driver board.

 

 

contactor is open?

 

 

 

 

 

 

 

 

 

 

1.

Back pressure?

 

1.

Verify drain is functioning and clean.

 

2.

Organics present in water?

2.

Verify steam line installation.

 

3.

Insufficient drain or over concentration.

3.

Check optional inline filter.

 

 

 

 

 

 

 

1.

Back pressure?

 

1.

Verify drain is functioning and clean.

 

2.

Organics present in water?

2.

Verify steam line installation.

 

3.

Insufficient drain or over concentration.

3.

Check optional inline filter.

 

 

 

 

 

The cylinder must be

replaced with the same type and

When ordering a new cylinder, quote the model number of

 

model.

 

cylinder presently installed in the humidifier or serial

 

 

 

 

number of humidifier.

 

 

 

 

 

The cylinder must be

replaced with the same type and

When ordering a new cylinder, quote the model number

 

model.

 

presently installed in the humidifier.

 

 

 

 

 

 

1.

Is the drain leaking?

1.

Clean the drain valve.

 

2.

Adjust drain factor.

2.

Set drain factor to 0.7.

 

3.

Check the system backpressure.

3.

Install a fill cup extension kit if required.

 

4.

Is salt required?

 

4.

Add one teaspoon of table salt.

 

 

 

 

 

 

1.

Is the sensor powered?

1.

Use a multimeter to check that the sensor is powered.

 

2.

Is the sensor wiring correct?

2.

Verify wiring is correct as per wiring instructions.

 

3.

Is the sensor defective?

3.

Replace the sensor.

 

4.

Is the RH less than 5%?

4.

RH values under 5% are interpreted as a broken

 

 

 

 

 

sensor.

 

 

 

 

 

 

1.

Is the sensor powered?

1.

Use a multimeter to check that the sensor is powered.

 

2.

Is the sensor wiring correct?

2.

Verify wiring is correct as per wiring instructions.

 

3.

Is the sensor defective?

3.

Replace the sensor.

 

4.

Is the RH less than 5%?

4.

RH values under 5% are interpreted as a broken

 

 

 

 

 

sensor.

 

 

 

 

 

 

1.

Is the sensor powered?

1.

Use a multimeter to check that the sensor is powered.

 

2.

Is the sensor wiring correct?

2.

Verify wiring is correct as per wiring instructions.

 

3.

Is the sensor defective?

3.

Replace the sensor.

 

4.

Is the RH less than 5%?

4.

RH values under 5% are interpreted as a broken

 

 

 

 

 

sensor.

 

 

 

 

 

 

1.

Is the sensor powered?

1.

Use a multimeter to check that the sensor is powered.

 

2.

Is the sensor wiring correct?

2.

Verify wiring is correct as per wiring instructions.

 

3.

Is the sensor defective?

3.

Replace the sensor.

 

4.

Is the RH is less than 5%?

4.

RH values under 5% are interpreted as a broken

 

 

 

 

 

sensor.

 

 

 

 

 

 

---

 

 

To disable this feature, consult the programming manual

 

 

 

 

shipped with the humidifier.

 

 

 

 

 

 

---

 

 

To disable this feature, consult the programming manual

 

 

 

 

shipped with the humidifier.

 

 

 

 

 

 

10-40

Page 63 2008-08-28

Page 70
Image 70
Nortec NH Series installation manual Contactor is open?

NH Series specifications

The Nortec NH Series stands as a remarkable line of heating and cooling equipment designed specifically for commercial and industrial applications. Renowned for its efficiency, reliability, and innovation, the NH Series is engineered to meet the demanding needs of various environments, including hospitals, educational institutions, and office buildings.

One of the standout features of the Nortec NH Series is its modular design. This flexibility allows for easy integration into existing systems, making it an ideal choice for both new installations and upgrades. The modular setup not only enhances space efficiency but also allows users to scale the system according to their specific requirements. This adaptability is essential for facilities looking to optimize their HVAC systems without extensive renovations.

The NH Series incorporates advanced technologies that set it apart in the market. It employs high-efficiency heat exchangers made from durable materials that provide exceptional thermal performance. These heat exchangers facilitate rapid heat transfer while maintaining energy efficiency, lowering operational costs. Additionally, the unit features variable-speed fans that adjust airflow according to real-time demands, contributing to quieter operation and further energy savings.

Another noteworthy characteristic of the NH Series is its intelligent control system. The integrated controls offer user-friendly interfaces and compatibility with building management systems. This enables operators to monitor and adjust settings remotely, enhancing operational efficiency and ensuring optimal indoor climate conditions.

Furthermore, the Nortec NH Series is designed with sustainability in mind. It complies with stringent environmental regulations and utilizes eco-friendly refrigerants, reducing the overall carbon footprint of the facility. This commitment to sustainability resonates with businesses looking to enhance their green credentials while maintaining a comfortable environment.

In summary, the Nortec NH Series exemplifies innovation in HVAC technology, combining modular design, high-efficiency heat exchangers, variable-speed fans, intelligent controls, and sustainable practices. These features make it a top choice for professionals seeking reliable and efficient heating and cooling solutions for a variety of commercial applications. With the Nortec NH Series, users can achieve significant energy savings, enhanced comfort, and a positive impact on the environment.