Installation, Operation and Maintenance Manual : 036-1011(0806)
Page 26
MAINTENANCE
The Saber Packaged Air Conditioners are premium quality machines with very low maintenance
requirements. Compressors used in Saber Packaged Units are of Scroll type and are charged with the
correct amount of refrigerant and lubricating oil. Unless there is a leak in the system, no topping up is
generally required.
Every Month
• Remove the filters and blow compressed air over them to get rid of loose dust. Visually inspect the
filter conditions, replace them with new ones of same sizes if required.
• Saber Packaged Air Conditioners are provided with a specially designed drain pan, for proper
maintenance check and clean blockages at drain connections if any.
Every 3 months
In addition to the monthly maintenance above, check the belt tension of evaporator fan. A correct tension
is indicated when the belt has a relaxation of approximately 10 mm to 13 mm when pressed lightly with a
finger.
Every Six Months
In addition to the maintenance done every three months :
• The condenser coils should be cleaned by spraying water over it at low pressure or with a brush while
ensuring that the fins are not damaged.
• Check all electrical connections and tighten them if required.
• Clean all accessible electrical panels of dirt and dust. Before cleaning the control panels, ENSURE
that the electrical power to the unit is switched off.
Every 12 months
In addition to the maintenance done every six months :
• Use a proper cleaning cloth to clean fan blades and motors.
• Ensure that the unit is working properly by checking, current, voltages, pressures and temperatures.
• Check the earthing or grounding of the unit.
• Check the exterior of the unit for any signs of corrosion. Even though it is highly unlikely, if any
corrosion that is seen, should be removed by proper sanding the surface. Repaint the unit with proper
touch up paint, available from York.
• Check the unit for any unusual vibrations or noise, locate the cause and rectify it by changing mounts,
base isolators etc., as required.
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