Table 3. NH System Messages

NHTC Display Message

LED state

System Action

Symptom Diagnosed

 

 

 

 

 

 

E5: Cylinder B Controller

RED

Humidifier is in standby until

On power up, the controller cannot

 

missing

 

problem corrected.

detect the driver board for cylinder B.

 

 

 

 

 

 

E6: Extendet Missing

RED

Humidifier activates its fault

The slave unit is not in communication

 

 

 

relay and interrupts its operation

with the master unit. Master unit

 

 

 

until communication is fixed.

powered?

 

 

 

 

 

 

E7: CPU CRC fault

RED

Humidifier activates its fault

Problem with the processor hardware

 

 

 

relay and interrupts operation.

or software.

 

 

 

 

 

 

W11: Safety Loop Open

GRN

Humidifier goes on standby.

ON/OFF controls wired between

 

 

 

 

terminal 1 and 2 are open.

 

 

 

 

 

 

W12: Cylinder Max Level

NONE

Fill valve interrupted.

Water at top of cylinder.

 

 

 

 

 

 

E12: Cylinder max Level no

RED

Humidifier activates its fault

The high water sensor is activated but

 

current

 

relay and interrupts its

no current is measured in cylinder.

 

 

 

operation.

 

 

 

 

 

 

 

W13: Fill Timeout

GRN

The humidifier will attempt to

The fill valve has been activated for an

 

 

blink

clear any debris by pulsing the

extended period of time but water has

 

 

 

drain valve.

not reached the sensor.

 

 

 

 

 

 

E13: Fill: Timeout

RED

The fill valve has been activated

Humidifier stops operation and the

 

 

 

for an extended period of time

fault relay is activated.

 

 

 

but has not reached the sensor.

 

 

 

 

 

 

 

W15: Over current

YEL

The drain is activated to

Measured current in the cylinder has

 

 

 

decrease the water level in the

exceeded 115% of rated output.

 

 

 

cylinder.

 

 

 

 

 

 

 

E15: Over Current

RED

Humidifier interrupts operation

Measured current in the cylinder has

 

 

 

and the fault relay is activated.

exceeded 115% of rated output.

 

 

 

 

 

 

W16: Excess Current

YEL

Humidifier interrupts operation

Measured current in the cylinder has

 

 

 

and the fault relay is activated.

exceeded 115% of rated output.

 

 

 

 

 

 

E16: Excess Current

RED

Humidifier interrupts operation

Measured current in the cylinder has

 

 

 

and the fault relay is activated.

exceeded 130% of rated output.

 

 

 

 

 

 

10-40

Page 60 2008-08-28

Page 66 Page 68
Page 67
Image 67
Nortec NH Series installation manual NH System Messages, Red
Page 66 Page 68

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.
Top Page Image Contents