Nortec NHRS 010-090, Installation And Operation Manual

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Start Up | 36
Start Up Procedure
1. Examine the humidifier and installation for damage and/or improper installation.
2. Ensure that the doors are in place and secured with retaining screws.
NOTE: if the optional Scale Management System is installed, make sure the valve on the
scale reservoir is closed.
3. Open the supply water shut off valve.
4. Turn on the mains power using the installed disconnect.
5. Press the On/Off switch on the front of the humidifier to turn the humidifier on.
The NHRS humidifier will now carry out a system test. The display below appears and the three
LEDs light for approximately three seconds.

If a fault is detected during the system test, a corresponding fault message is triggered.

If the system test is successful, the steam tank fills up and a float test is carried out
(function check on the level unit). The display below appears.

If a fault is detected during the float test, a corresponding fault message is triggered.

When both tests are successful, the NHRS will enter normal operating mode. The display
below appears and the green LED lights.
Initial Start-Up Procedure
The following procedure should be carried out only on the first occasion that the unit is
operated:
1. Check the function of the humidifier:
a. Switch on the humidification by raising the set humidity value on the humidity
controller / humidistat / NHRS Display.
b. Switch off the humidification by lowering the set humidity value on the humidity
controller / humidistat / NHRS Display.
Warning: Damaged units or improperly installed units must not be operated.
Damaged or improperly installed units may present a danger to persons and property.