48
Operation
2583701_C_EN_1812_Nortec-GS_OM
Nortec GS
5.2.8
Shutting Down
DANGER!
Risk of electric shock!
The control cabinet in the
Nortec GS has live voltage. Turning off the unit at the On/Off
switch does not shut off power to the control cabinet. Touching live parts may cause severe
injury or even death.
Prevention
:
Before performing any work inside the humidifier or with the humidification system,
shut down the humidifier properly as described below.
S
hut down the Nortec GS humidifier as follows for maintenance, or at the end of the season
:
1. Set the demand signal to the humidifier from the BMS or the humidistat at 0%. Then allow the burner(s)
to shut off and the blower(s) to perform a post-purge of the combustion chamber(s).
2. Manually initiate draining of the tank. Refer to
"Manually Initiate Tank Draining" on page 47
.
WARNING!
Risk of severe burns from contact with hot surfaces, steam or hot water!
The tank may contain steam or hot water at up to 212
°
F (100
°
C). Contact with the hot
surfaces, steam vapors or hot water can result in severe burns
.
Prevention
:
Never open the tank until it has been fully drained, and the unit has cooled down to
a safe temperature. Never use the manual drain valve until the unit has cooled down. Use the
manual drain valve to verify that the tank is empty before removing the tank cover.
Note:
If the control software/drain valve(s) does not function properly, wait for the unit to cool down
then open the manual drain valve and empty the tank. Failure to do so may damage drain lines that are
not rated to handle hot water at up to 212 °F (100 °C). Close the drain valve after emptying the tank.
3. Make a note of any fault code displayed on the Home screen.
Note:
At the end of the season, report the fault history to a Condair-certified technician.
Select
Service > Fault/Service History
tab to access the fault history.
4. Set the On/Off button to the Off position.
5. Close the manual gas shutoff valve in the supply line.
6. Close the shutoff valve in the water supply line.
7. Disconnect the power supply to the humidifier at the external disconnect switch. To prevent accidental
power-up, lockout and tag out according to the established safety practices at your facility.
WARNING!
Risk of severe burns from contact with hot surfaces!
Components of the steam system may reach 212
°
F (100
°
C) during operation. Contact
with the hot surfaces can result in severe burns
.
Prevention
:
Avoid touching any components in the plumbing cabinet until the unit has cooled
down to a safe temperature.
8. Wait for the unit to cool down to a safe temperature before performing any maintenance inside the
plumbing cabinet.
5.2.9
Restarting After Shutdown
Restart the Nortec GS humidifier as follows after it has been shut down for maintenance or at the start
of the season
:
