McQuay M5WSS Manual de instalación descargar pdf (Pagina 194)

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And MaintenanceAnd Maintenance

And Maintenance

Warning

Disconnect from Main Supply before Servicing the air conditioner

The unit is designed to give a long life operation with minimum maintenance required. However, it should be

regularly checked and the following items should be given due attention.

Components Maintenance Procedure Recommended Schedule

Air Filters 1. Clean with a vacum cleaner, or by tapping lightly Every 2 weeks.

and then washing in lukewarm water (below 40°C) More frequently if required.

with neutral soap.

2. Rinse well to dry before re-installing.

3. Note : Never use petrol, thinner, benzene or any

other chemicals

Fan Coil Unit (FCU) 1. Clean away dirt or dust on grille or panel by wiping Every 2 weeks.

with a soft cloth soaked in lukewarm (or cold) More frequently if required.

water or neutral detegent solution.

2. Note : Never use petrol, thinner, benzene or any

other volatile chemicals, which may cause plastic

surface to deform.

Condenser Drain 1. Check and clean. Every 3 months

Pan & Pipe

FCU Fan 1. Check for unusual noise. Every 3 months

FCU Fin Coil 1. Check and remove dirt which are clogged between Every month.

fins.

2. Check and remove obstacles which hinder air flow Every month.

in and out of the unit.

Electrical 1. Check voltage, currect and wiring. Every 2 months.

2. Check faulty contacts caused by loose connections, Every 2 months.

foreign matters, etc.

3. Refer to attachment

Compressor 1. No maintenance needed if refrigerant circuit remains Every 6 months.

sealed. However, check for refrigerant leak at joints &

fittings.

Compressor 1. Oil is factory charged. Not necessary to add oil if No maintenance required.

Lubrication circuit remains sealed.

Fan Motors 1. All motors pre-lubricated and sealed at factory. No maintenance required.

Lubrication

Electrical 1. Maintain a log data on measurement of volts, amps, Every month / quarterly or annually.

and water temperature difference(heating & cooling)

is recommended. A comparison of the data during

start-up and periodic data is useful as indicator of

general condition of equipment.

Pre-start Up Maintenance (After Extended Shutdown)

- Inspect thoroughly and clean indoor and outdoor units.

- Clean or replace air filters.

- Clean condensate drain line.

- Clean clogged indoor and outdoor coils.

- Check fan imbalance before operation.

- Tighten all wiring connections and panels.

- Check for refrigerant leakage.

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McQuay M5WSS Manual de instalación Pagina 194

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