Nortec Industries MHTC user manual

Summary of the content on the page No. 1

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 MHTC REflow Modulation
The circulation pump conveys the water in the latter via

Summary of the content on the page No. 2

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 MHTC - Total 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 contro

Summary of the content on the page No. 3

Available Options and Accessories UV water treatment Conductivity Monitoring Sensor 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 1329203 - Switch Air Proving (duct airflow safety interlock) Nortec Modulating Demand Controls: P/N 25202660 - 10V Dig. Duct Humidistat pkg P/N 15101420 - 10V Digital Wall Humidistat Nortec Transducer Sensor Controls: P/N 1509858 - 2-10V Dig Wall Humidit

Summary of the content on the page No. 4

} } } } MH Wiring Diagram 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 1 0 Main Switch 6.25A 120/24 Vac 2 1 1 2 3 4 2 3 4 3 Internal Internal R1 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 R2 External External F1 F2 4 5 6 5 1 6 5 Y Primary 7 8 + - G Terminal Br 8 7 Block W Stage 1 Valve Stage 2 Valve Optional UV Lamp Stage 3 Valve Cond. Monitor Max.

Summary of the content on the page No. 5

Summary of the content on the page No. 6

Summary of the content on the page No. 7

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 REflow model incorporates a 120V single phase connection. Typical MH installation. Use as re