ActronAir
is constantly seeking ways to improve the design of it’s products, therefore specifications are subject to change without notice.
Copyright © 2017 Actron Engineering Pty. Ltd.
Page 25 of 36
MAINTENANCE
DANGER
Beware of Rotating Fan Blades !
Always make sure that all power supply, to the Outdoor
Fans are turn-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
Coil Cleaning Procedures
• • Disconnect power to the unit.
Disconnect power to the unit.
• •
Remove the louvered panels from the unit to gain
Remove the louvered panels from the unit to gain
access to the air inlet side of the coils.
access to the air inlet side of the coils.
• •
Use a soft brush to remove loose dirt and debris from
Use a soft brush to remove loose dirt and debris from
both sides of the coils.
both sides of the coils.
• •
Straighten bent coil fins with fin comb.
Straighten bent coil fins with fin comb.
• • Prepare the detergent solutions according to the
Prepare the detergent solutions according to the
manufacturer’s instructions.
manufacturer’s instructions.
• • Spray solution at a 90
Spray solution at a 90
oo
angle to the coils, keeping a
angle to the coils, keeping a
minimum nozzle spray angle of 15
minimum nozzle spray angle of 15
oo
, with at least a
, with at least a
1800mm distance from the coils and 600 psi pressure.
1800mm distance from the coils and 600 psi pressure.
• •
Spray leaving air side of the coils first then the air inlet
Spray leaving air side of the coils first then the air inlet
side. Allow the solution to stand on the coils for five
side. Allow the solution to stand on the coils for five
minutes.
minutes.
• •
Rinse both sides of the coils with cool clean water.
Rinse both sides of the coils with cool clean water.
• •
Inspect the coils, if they are still dirty, repeat the
Inspect the coils, if they are still dirty, repeat the
cleaning procedure.
cleaning procedure.
• •
Clean and wipe dry the outer and inner sides of the
Clean and wipe dry the outer and inner sides of the
unit, the refrigerating parts and other components.
unit, the refrigerating parts and other components.
• • Ensure that the condensate drain lines are not
Ensure that the condensate drain lines are not
blocked.
blocked.
• • Reinstall all unit panels, covers and guards.
Reinstall all unit panels, covers and guards.
• • Restore electrical power to the unit.
Restore electrical power to the unit.
Maintenance Procedures
Maintenance Procedures
This section describes the procedures that must be
This section describes the procedures that must be
performed as a part of normal maintenance program.
performed as a part of normal maintenance program.
Regular servicing of equipment by licensed technician is
Regular servicing of equipment by licensed technician is
highly recommended. Always disconnect electrical power
highly recommended. Always disconnect electrical power
to the unit before performing these procedures. It is
to the unit before performing these procedures. It is
always a safe practice to observe all safety warnings and
always a safe practice to observe all safety warnings and
cautions when conducting maintenance tasks.
cautions when conducting maintenance tasks.
DANGER
Live Electrical Connections !
It may be necessary to work with live electrical
components on certain maintenance tasks. Only licensed
electricians and qualified technicians are allowed to
perform these tasks.
WARNING
Hazardous Voltage !
Always make sure that all power supply, including remote
controls, are disconnected before performing maintenance.
Observe proper LOCK-OUT/TAG-OUT (LOTO) procedures
to ensure that power cannot be inadvertently energised.
Failure to disconnect power before maintenance procedures
can result in serious injury and/or death.
Annual Maintenance Checklists
Annual Maintenance Checklists
• •
Perform general maintenance inspections.
Perform general maintenance inspections.
• •
Perform scheduled start-up checks.
Perform scheduled start-up checks.
• •
Leak test refrigerant circuits.
Leak test refrigerant circuits.
• •
Inspect contacts of all contactors and relays. Replace
Inspect contacts of all contactors and relays. Replace
all worn contacts as required.
all worn contacts as required.
• • Inspect, clean and tighten all electrical connections.
Inspect, clean and tighten all electrical connections.
• •
Check fans for balanced operation. Make sure that
Check fans for balanced operation. Make sure that
there are no loose screws / bolts, no fan blades
there are no loose screws / bolts, no fan blades
interference and no damage to the fans and guards.
interference and no damage to the fans and guards.
• •
Inspect the air filters, clean or replace as required.
Inspect the air filters, clean or replace as required.
• • Clean and repaint any corroded panel section.
Clean and repaint any corroded panel section.
• •
Ensure no blockage of airflow through variable speed
Ensure no blockage of airflow through variable speed
drive and drive fan is operating correctly.
drive and drive fan is operating correctly.
Cleaning the Condenser Coils
Cleaning the Condenser Coils
Clean the coils at least once a year or more frequently if
Clean the coils at least once a year or more frequently if
unit is located in a dusty and dirty environment, in order
unit is located in a dusty and dirty environment, in order
to maintain your system’s proper operating performance.
to maintain your system’s proper operating performance.
High discharge pressures are good indication that the
High discharge pressures are good indication that the
coils need cleaning. When using detergent or solvents to
coils need cleaning. When using detergent or solvents to
clean the coils, follow the manufacturer’s instructions to
clean the coils, follow the manufacturer’s instructions to
avoid potential damage to the coils and to the unit.
avoid potential damage to the coils and to the unit.
To clean the refrigerant coils, use a soft brush and water
To clean the refrigerant coils, use a soft brush and water
spray, such as garden hose or pressure washer with low
spray, such as garden hose or pressure washer with low
pressure nozzle.
pressure nozzle.
Be Careful Not to Spray Water into the Drive !
Make sure to cover and seal the Variable Speed Drive with
plastic in order to prevent water getting inside the drive.
CAUTION
