Commissioning; Pre-Start Check List; Electrical Check; Hydraulic Checks - SystemAir DUCTYS series Installations- Und Wartungshandbuch

10. COMMISSIONING

10.1. PRE-START CHECK LIST

10.1.1. ELECTRICAL CHECK

1. Electrical installation has been carried out according to unit wiring diagram and the Supply Authority
Regulations.
2. Size fuses or circuit breaker has been installed at the main switchboard.
3. Supply voltages as specified on unit wiring diagram.
4. All cables are properly identified and tight connected at the unit.
5. the cables and wires are clear of or protected from pipework and sharp edges.

10.1.2. HYDRAULIC CHECKS

1. Check that the water inlet and outlet connections are correct.
2. Check that the hydraulic circuit is filled correctly and that the fluid flows freely without any signs of leaks
or air bubbles. When ethylene glycol anti-freeze is used, check that the concentration level is correct.
3. Adjust the water flow in order to comply with the specifications.
4. Check that the water quality complies with the indicated standards.
5. Check that the condensates drainage hose is connected and allows liquid to drain freely.
Check that condensates actually drain properly (installation with or without drainage pump) by pouring
water into the condensates tray (pump electricity supply switched on).

10.1.3. VISUAL CHECK

1. Clearances around unit including outdoor air entry and discharge openings and service accesses.
2. Unit mounted as specified.
3. For loose or missing bolts or screws.

10.1.4. DUCTING

1. Connections flexible type, secure and detachable for service access.
2. Seams and joints airtight.
3. Check that the air filter is clean and correctly installed.
4. Check that the fan wheel is rotating free on it shaft.
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