Daikin Double Skin Modular Air Handling Unit DS2TB-2033

Check Dirt accumulation in damper and in case clean it

Check the Sign of damage on damper and in case repair it

Check Turning torque of the damper and in case repair it;

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;

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 air handling unit check

Check for contamination, damage, microbial growth and corrosion

Describe the contamination, damage, microbial growth and corrosion found

Check spray nozzles for deposits

Describe the deposits found on the spray nozzles

Check functionality of the conductivity sensor

Describe the issues found with the conductivity sensor

Check moisture eliminator for contamination, damage, scaling and corrosion

Describe the contamination, damage, scaling and corrosion found on the moisture eliminator

Check the region downstream of droplet eliminator after cleaning

Visual inspection of air-to-air plate heat exchangers for contamination, damage and corrosion. Clean / Repair heat exchanger

Visual inspection of rotary heat exchangers for contamination, damage, corrosion and tightness. Clean / Repair heat exchanger

Visual inspection Heaters for contamination, damage, corrosion and tightness. Clean / Repair the Heater. Replace if required;