Nortec ME Direct Feed - Manual (Page 22)

22 Operation
4.4 Start up for daily operation
It is assumed that initial commissioning has been carried out properly by appropriately trained technical
personnel.
The following description outlines the start up procedure for daily operation for systems equipped with an
optional Nortec ME Direct Feed control unit. For systems equipped with a control unit of another brand
please refer to the operating instructions of the corresponding control unit.
Proceed as follows to prepare the Nortec ME Direct Feed for operation:
1. Switch off AHU.
2. Examine the Nortec ME Direct Feed for possible damage. Ensure tank is empty.
DANGER!
Damaged systems or systems with damaged components or installation may present danger to
human life or cause severe damage to material assets.
Damaged systems and/or systems with damaged or faulty installation must not be operated.
3. If Nortec ME Direct Feed has been disconnected from the mains for more than 48 hours:
• Close shut-off valve in the water supply line.
• Disconnect water supply line from the connector on the hydraulic manifold.
Caution should be
taken to ensure no splashing is created.
• Connect hose to the water supply line and lead the open end into open tundish outside the AHU.
• Open shut-off valve in the water supply line and flush water supply line an appropriate length of
time. Then, close shut-off valve again, remove hose and reconnect supply line to the connector
on the hydraulic manifold.
4. Make sure the front panel of the control unit is mounted and fixed with the retaining screw.
5. Close doors of AHU if open, then switch on AHU if switched off.
6. Open shut-off valve in the water supply line.
7. Switch on the electrical isolator in the mains supply to the control unit.
8. Switch
<Control unit On/Off> and <Humdification/Cooling On/Off> switch on the control unit to
“ On” (systems equipped with a Nortec control unit only).
The Nortec ME Direct Feed is now ready for operation.