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Evaporative Humidifier / Cooler Nortec MH Series 

 

Is a sustainable solution for both humidifying and cooling. Nortec’s MH series is an evaporative humidifier based on the adiabatic 
principle that results in air humidifying and cooling. Its innovative design is specifically engineered for Air Handing Units (AHU) or 
ventilation duct systems and is a perfect compliment towards GREEN/LEED building design.  

Model MHB Flow On/Off 

The water is not collected in the water tray in the case of the “flow” model, but rather flows directly into the drain. The low-energy 
Nortec MH evaporation humidifier/cooler is specially designed for integration in central air conditioning systems. 
 
Nortec MH characteristics at a glance: 
 

 

Humidifier media box made of polyester free of glass fibre with an impressed V-Profile for an efficient and healthy way 
of humidifying and cooling 

 

Simple and uncomplicated installation 

 

Low installation and operational costs for short and long-term facility cost reductions 

 

Short water basin depth made of stainless steel material with multi-sided gradients for effective drying of the 
humidifier. 

 

Water management integrated in the MH control system  unit for optimising water consumption and humidity control 

 

Operation for all water quality types: potable, softened, reverse osmosis (R/O) and fully-de-ionized (D/I) water 

 

Adiabatic evaporation cooling of over 21.5° F (12°C) can be achieved  

 

Ultra violet water treatment available  

 

 
The electronic control is an integral part of the humidifier. It enables operation free of malfunctions and optimises control accuracy 
and water consumption. 
 
The short stainless steel water tank depth will reduce on the overall footprint, saving valuable air handling real estate. There are 
lateral two guide tracks with suspension fixtures for the humidifier media boxes and mist eliminators to be easily installed. 
Integrated water management system consists of water distributors with flow regulators for setting consistent water flow volumes, 
a circulation pump, stainless steel water distribution hoods, electrical inlet valves, electrical step control valves and electronic 
control for optimum water efficiency and humidity control.  
 

 
Humidifying Media Box 

 
The core element of the MH series is the patented polyester media box located in the air duct. Dry air flows through the box, water 
flows over the hygroscopic media and the extremely large wet surface releases humidity to the air. This method enables air 
humidifying or cooling with substantially limiting the use of electrical energy.  
 
The V-Profile humidifier box consists of a polyester material with an impressed V-Profile, which enables a more intensive 
exchange of air and water. The polyester box is free of glass fibre and is fire protected in compliance with UL 900 Class 1 
certification. This not only makes it perfectly safe with regards to health, but also ensures a longer service life compared to the 
rational cellulose or fibre glass media. 

 

 

 
   V-Profile Media 

 

    

           Media Box

 

 
 

Содержание MHB

Страница 1: ...e achieved Ultra violet water treatment available The electronic control is an integral part of the humidifier It enables operation free of malfunctions and optimises control accuracy and water consumption The short stainless steel water tank depth will reduce on the overall footprint saving valuable air handling real estate There are lateral two guide tracks with suspension fixtures for the humid...

Страница 2: ...LINKS2 The electronic control cabinet includes electrical fusing and main power switch One two or three stage control through magnetic staging valves is available Microprocessor PI controlled analog humidity signals for flexibility Controlled flushing of the water tank in function of the filling cycles or time controlled drainage through the integrated real time clock Programmable wash cycle for c...

Страница 3: ...w safety interlock Nortec LINKS2 and Nortec Online please consult factory MHB Flow Technical data Humidifying output see performance data Power consumption w UV 0 30 kW Power consumption w o UV 0 20 kW Primary voltage 120 1 60 V Ph Hz Control voltage 24 Vac On Off Water mains pressure 30 145 psi Water connection 3 4 Water drain 1 Width Height Depth See performance data Make Nortec Type MHB Flow Ma...

Страница 4: ...PT1 PT2 F4 200 mA F1 6 3 A F3 630 mA F2 1 0 A Main Switch Primary Terminal Block Internal External Drain Valve Inlet Valve Inlet Water Pressure Switch Stage 1 Valve Stage 2 Valve Stage 3 Valve X6 N Stage 3 Stage 2 Stage 1 24 Vac Security Loop GND Channel 1 5 Vdc GND Optional UV Lamp ON Active Service Fault 4 2 3 5 1 L1 N 8 9 10 11 13 12 15 14 17 16 3 4 5 7 6 1 2 10 9 8 11 14 16 17 1 2 120 24 Vac H...

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Страница 7: ...ilation duct or air handling unit very quickly The media boxes can be mounted in the simplest of manners and only three connections are needed the supply inlet water valve drain water valve and all electrical control connections The Flow model incorporates a 120V single phase connection Typical MH installation Use as reference only MHTC REflow shown ...

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