ActronAir Cascade 2 URC-140CS Gebruikershandleiding - Pagina 13

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Owner's Manual
Annual Maintenance Checklists
• Perform general maintenance inspections.
• Perform scheduled start-up checks.
• Leak test refrigerant circuits.
• Inspect contacts of all contactors and relays. Replace all worn contacts as required.
• Inspect, clean and tighten all electrical connections.
• Check fans for balanced operation. Make sure that there are no loose screws / bolts, no fan blades interference and no
damage to the fans and guards.
• Inspect the air filters, clean or replace as required.
• Clean and repaint any corroded panel section.
• Ensure no blockage of airflow through variable speed drive and drive fan is operating correctly.
Cleaning the Condenser Coils
Clean the coils at least once a year or more frequently if unit is located in a dusty and dirty environment, in order to
maintain your system's proper operating performance. High discharge pressures are good indication that the coils need
cleaning. When using detergent or solvents to clean the coils, follow the manufacturer's instructions to avoid potential
damage to the coils and to the unit.
To clean the refrigerant coils, use a soft brush and water spray, such as garden hose or pressure washer with low pressure
To clean the refrigerant coils, use a soft brush and water spray, such as garden hose or pressure washer with low pressure
nozzle.
nozzle.
DANGER
Beware of Rotating Fan Blades !
• Always make sure that all power supply, to the Outdoor Fans are turned-off and isolated.
• Observe WH&S safety procedures, do not wear loose clothing and any jewellery when working near the fans.
• Wear PPE whenever performing any maintenance procedures.
• Observe all necessary procedures when working on a confined space.
CAUTION
Do Not Use High Alkaline Detergent !
When using detergent for coil cleaning, ensure that the alkaline level is no higher than 8.5, which can cause corrosion damage to
the coils.
Coil Cleaning Procedures
• Disconnect power to the unit.
• Remove the louvered panels from the unit to gain access to the air inlet side of the coils.
• Use a soft brush to remove loose dirt and debris from both sides of the coils.
• Straighten bent coil fins with fin comb.
• Prepare the detergent solutions according to the manufacturer's instructions.
o
• Spray solution at a 90
angle to the coils, keeping a minimum nozzle spray angle of 15
from the coils and 600 psi pressure.
• Spray leaving air side of the coils first then the air inlet side. Allow the solution to stand on the coils for five minutes.
• Rinse both sides of the coils with cool clean water.
• Inspect the coils, if they are still dirty, repeat the cleaning procedure.
• Clean and wipe dry the outer and inner sides of the unit, the refrigerating parts and other components.
• Ensure that the condensate drain lines are not blocked.
• Reinstall all unit panels, covers and guards.
• Restore electrical power to the unit.
Owner's Manual - Cascade Series 2
Doc. No. 9590-4016 Ver. 2 220616
Four-Way Cassette
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, with at least a 1800mm distance
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