Exhausto VEX5000 Series, Инструкция по сборке, установке и техническому обслуживанию

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Startup
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6. Startup
The VEX5000 air handling unit must be started up in accordance with a fixed procedure.
6.1 Start-up procedure
Connect the supply voltage last.
1. Check that the air handling unit is set-up correctly.
2. Check that all of the internal connections are correctly made.
3. Fit and connect the external connections, including heating coil, cooling coil and air
duct system.
The duct system must be fitted and connected to the air handling unit
before the fans are started.
4. Check that the external components and sensors are fitted and connected correctly.
6.1.1 Fans start-up
1. Remove any transport safety fittings. They are marked with yellow sleeving.
2. Check that the fan impeller can turn freely without touching any of the sides.
3. Check that all of the airways are free of foreign bodies (paper, tools or similar).
4. Check that the motors are tightened securely.
5. Check that the air ducts are fitted on the pressure side of the fans.
If there is direct access to a fan, i.e. no duct is fitted, fit a protection net.
6. Connect the supply voltage.
7. Switch on the fans for a short period and long enough to check the direction of
rotation is in accordance with the arrows on the fans.
8. Switch off the fans and if required, re-connect the supply voltage, depending on
whether the direction of rotation was correct during the brief start.
9. Check again that the damper shuts out the air.
10.Switch on the fans.
Note Air handling units with control systems from EXHAUSTO use approx. three minutes to
start up:
• Approx. 30 seconds after the voltage is switched on, logging can take place
using a browser or the handheld terminal.
• The dampers open, extract air and then supply air starts. After 2½ minutes,
recovery starts,
• In the case of warm water, the circulation pump starts and the valve opens 50%
in a set start-up time of two minutes.