Nortec Industries MHB user manual

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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 “

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Key benefits of the innovative V-Profile humidifier media box: Low Pressure Drop Hygroscopic Coating UL 900 Class 1 Rating High Velocity Performance Suitable for all Water Quality No Droplets, Free of Aerosols MHB On/Off Control System The MH control unit controls the humidity and governs the water management to maximize efficiency. The integrated processor with real-time clock controls the air humidity, pre-cleaning sequences, unit purging and water quality control,

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Available Options and Accessories UV water treatment Pressure reduction valve (building side) consult factory P/N 1329505 - In-Line Water filter c/w 5 micron filter Nortec On/Off Controls: P/N 2520273 - On/Off Dig. Duct Humidistat pkg P/N 2520259 - On/Off Digital Wall Humidistat P/N 1329203 - Switch Air Proving (duct airflow safety interlock) Nortec LINKS2 and Nortec Online please consult factory MHB Flow Technical data Humidifying output see performanc

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} } } } MH Wiring Diagram 18 19 12 3 4 6 X5 N N 17 F4 UV Lamp (200 Drain Valve mA) 16 Inlet Valve 14 X6 N 11 10 Stage 3 Stage 2 9 F3 Stage 1 8 F1 (630 (6.3 A) mA) F2 X7 (1.0 A) N Pump X1 X1 X9 0 1 Main Switch 6.25A 120/24 Vac 4 2 3 Internal Internal L1 N 1 2 3 4 5 6 7 8 9 10 11 1213 1415 16 17 18 20 21 22 2324 25 26 27 R1 External External 5 1 Primary Terminal Block Stage 1 Valve Stage 2 Valve Optional UV Lamp Stage 3 Valve Max. Level Inlet Valve Drain Valve Inlet Water Pressure Switc

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Installation Installation of the MH is simple and uncomplicated. The stainless steel water tank and lateral side supports can be integrated into a ventilation 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 refer