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15VH
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 specied on unit wiring diagram.
4. All cables are properly identied 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 lled correctly and that the uid ows 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 ow in order to comply with the specications.
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 specied.
3. For loose or missing bolts or screws.
10.1.4. DUCTING
1. Connections exible type, secure and detachable for service access.
2. Seams and joints airtight.
3. Check that the air lter is clean and correctly installed.
4. Check that the fan wheel is rotating free on it shaft.
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