Daikin Double Skin Modular Air Handling Unit DS2TB-0410

Frost protection of the coil section checked

Coil section checked for any leakage

Bolt & nut checked for security

Were any loose bolts or nuts found?

If loose bolts or nuts were found, tighten them

Sign off on the coil section maintenance

Check the fan bearing and in case of the damage replace it. Also, grease it smoothly

Check the motor temperature of the fan

Check Bolt & nut secure and in case tighten it

Check the obstruction of the intake air and in case clear it;

Ensure a positive seal between the rotor face and frame structure

Check if the seals are intact and contact the casing and rotor media

Check if there is excessive wear

Ensure there is no significant leakage between the casing and interconnecting duct work

Check for misalignment of the drive belt on the pulley or periphery of the rotor

Check the belt joint. Replace it, if necessary

CAUTION! HIGH AIR TEMPERATURE IN THE FAN SECTION CAN CAUSE MOTOR OVERHEAT AND DAMAGE. ON DRAW-THROUGH AIR HANDLERS, ADJUST THE DISCHARGE AIR TEMPERATURE OF THE HEATING SECTION NOT TO EXCEED 1040 F (400C)

Make sure to completely isolate the Electrical source

Re-check and Re-tension the drive belts due to stretch

Check and adjust the pulley alignment to ensure the motor fixing is properly secure

Check all bearing, wheel bolts & nuts and sheave set screws (or cap screw) are in secure position

Sign off on the 48 Hourly Air Handling Unit Check

Check the fan for any damage or cracks

Check the fan for Excessive vibration

Check the Flexible connection of the fan