SystemAir HAN 13, Installation And Maintenance Manual

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English
16 HAN
13. COMMISSIONING
13.1. PRE-START CHECK LIST
13.1.1. 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.
That the wiring is not in contact with surfaces subject to high temperatures or sharp angles, or is
protected against such risks.
13.1.2. 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.
4. For refrigerant leaks in connections and components.
5. All panels are in place and secured.
6. The unit is clean and free of any extraneous installation materials.
13.1.3. DUCTING
1. Connections flexible type, secure and detachable for service access.
2. Fan drive from HAN model 15 upwards
Correct variable diameter pulley adjustment guaranteeing the intended air quantity and static
pressure (see § "AIR FLOW / PRESSURE ADJUSTMENT").
3. Check that the fan shaft and motor pulleys are mounted correctly and turn true.
4. Ensure that both pulley grooves are correctly aligned. Improper alignment of the pulleys and belt
may cause vibration in the blower drive and result in premature wear and noise.