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10

 32802000301

Specifications  subject to change without notice.

CLEANING, MAINTENANCE, AND
TROUBLESHOOTING

ELECTRICAL SHOCK HAZARD

Failure to follow this caution may result in personal injury
or death.
Always turn off power to the system before performing any
cleaning or maintenance to the system. Turn off the outdoor
disconnect switch located near outdoor unit. Be sure to
disconnect indoor unit if on a separate switch

CAUTION

!

EQUIPMENT DAMAGE/OPERATION  HAZARD

Failure to follow this caution may result in equipment
damage or improper unit operation.
Operating the system with dirty air filters may damage the
indoor unit and could cause reduced cooling performance,
intermittent system operation, frost build−up on indoor coil
or blown fuses.

CAUTION

!

PERIODIC MAINTENANCE

Periodic maintenance is recommended to ensure proper operation of
the unit. Recommended maintenance intervals may vary depending
on the installation environment, e.g., dusty zones. Refer to Table 2.

CUT  HAZARD

Failure to follow this caution may result in personal injury.

The coil fins are very sharp. Use caution when cleaning.

Always wear safety protection.

CAUTION

!

Cleaning the Coil

Clean the coil at the beginning of each cooling season or when
necessary. Use a vacuum cleaner or a long−bristle brush to avoid
damage to the coil fins.

Air Filters

Remove and clean the air filters once a month.

NOTE:  If the air filters show signs of excessive wear or are torn, they
must be replaced. Contact your local dealer for replacement filters.

1. Unscrew filters from the frame.

2. Pull filters down to remove.

A150678

Fig. 17

 - 

Remove the Filters

3. Vacuum filters.

A150648

Fig. 18

 - 

Vacuum the Filters

4. Clean with warm water.

A150649

Fig. 19

 - 

Clean Filter with Warm Water

5. Shake filter to remove excess water and dry thoroughly.

6. Replace filter by sliding into rack until filter snaps in place.

7. Close front panel on unit.

EQUIPMENT DAMAGE HAZARD

Failure to follow this caution may result in equipment
damage.
When cleaning the front panel, do not use water hotter than
105

_

F (40.6

_

C) and do not pour water onto the fan coil. Do

not use abrasive or petroleum based cleaners as they may
damage the front panel.

CAUTION

!

Preparing for Extended Shutdown Period

Clean the filters and place them back in the unit. Operate the unit in
FAN ONLY mode for 12 hours to dry all internal parts. Turn the main
power supply off and remove the batteries from the remote control.

System Operation Recommendations

The items outlined in the following list help to ensure proper system
operation:

S

Replace both remote control batteries.

S

Point the remote control toward the unit display panel when
transmitting a command.

S

Keep doors and windows closed while the unit is operating.

S

Contact an authorized service representative if a problem arises that
cannot be easily resolved.

S

Do not perform cleaning or maintenance while the unit  is on.

S

Keep the display panel on the unit away from direct sunlight and
heat as this may interfere with remote control transmissions.

S

Do not block air intakes and outlets on the indoor or outdoor units.

Summary of Contents for DLFLDA Series

Page 1: ...your new equipment in the spaces provided This information along with the installation data and dealer contact information will be helpful should your system require maintenance or service UNIT INFORM...

Page 2: ...MPORTANT The ducted fan coil unit should be installed by authorized personnel only using approved tubing and accessories If technical assistance service or repair is needed contact the installer The d...

Page 3: ...R WIRELESS REMOTE Air outlet Air inlet Air filter Drain hose field supplied Electric control cabinet Refrigerant connecting pipe field supplied ON OF F T E MP FP TIMER ON TIMER OFF MODE FAN SLC SLEEP...

Page 4: ...ll flash on the display area Then press the or button to confirm SLEEP Function This function maintains the most comfortable temperature and saves energy It is available in COOL HEAT or AUTO modes onl...

Page 5: ...compartment 3 Replace the battery compartment cover NOTE 1 When replacing batteries do not use old batteries or a different type battery This may cause the remote control to malfunction 2 If the remot...

Page 6: ...y Setting the Room Temperature Set Point Press the increase temperature set point Y and decrease B buttons to raise or lower the temperature The unit confirms the signal receipt with a beep and the va...

Page 7: ...of the unit Set the Auto On Time 1 Press the SET button The Timer on indicator displays and flashes The last Auto on setting time and the signal h shows on the LCD display area Now it is ready to res...

Page 8: ...ill show the temperature again The indicator remains on and this function is activated Combined Timer Setting both ON and OFF timers simultaneously TIMER OFF TIMER ON On Stop Start operation Fig 15 Co...

Page 9: ...trol sends this signal to the air conditioner every 3 minutes This function is not available for DRY and FAN modes Freeze Protection Mode Press FP for approximately 2 seconds to activate or deactivate...

Page 10: ...must be replaced Contact your local dealer for replacement filters 1 Unscrew filters from the frame 2 Pull filters down to remove A150678 Fig 17 Remove the Filters 3 Vacuum filters A150648 Fig 18 Vacu...

Page 11: ...OR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR Clean Air Filter Change Remote Control Batteries S S OUTDOOR UNIT EVERY MONTH EVERY 6 MONTHS EVERY YEAR Clean Outdoor Coil from Outside Clean Outdoor Coil...

Page 12: ...e unit may accumulate dust during extended periods of non use which will be emitted when the unit is turned on This can be mitigated by covering the unit during long periods of inactivity The unit emi...

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