Carrier 40KMQ Especificaciones descargar pdf (Pagina 23)

Any of the following will cancel the Service Test mode:

• When the unit is turned off by the controller.

• If the power is cycled during the Test Mode, the unit will

return to its normal operating mode.

• After 30 minutes of receiving the last valid test request

message.

• Fail Mode.

START-UP

The following checks should be made before system start-

up. Refer to outdoor unit Installation, Start-Up, and Service

manual for system start-up instructions and refrigerant charg-

ing methods. Be sure to use the refrigerant charge shown in

Table 3.

1. Check condensate drainage system.

a. Remove grille and frame from the unit.

b. On the opposite side of the drain connection, insert

a water bottle up into the fan coil unit and fill drain

pan. Refer to Fig. 34. Water must flow regularly

with condensate pump energized. If water does

not, check the pipe slope or see if there are any

pipe restrictions.

NOTE: The unit is equipped with a safety float

switch to deenergize the compressor if the drain

water level gets too high.

2. Make sure that all wiring connections are correct and that

they are tight.

3. Make sure that all barriers, covers, and panels are in

place.

4. Ensure that the filters and return air grilles have been

installed and that the discharge louvers are correctly

positioned.

SERVICE AND MAINTENANCE

Remove unit grille, filter, and condensate pan for cleaning,

lubricating, or replacing parts.

Minimum Maintenance

1. Check, clean, or replace air filter each month or as

required.

2. Check cooling coil, drain pan, condensate trap, and con-

densate drain pan each cooling season for cleanliness.

Clean as necessary.

3. Check fan motor and wheel for cleanliness each heating

and cooling season.

4. Check electrical connections for tightness and controls

for proper operation each heating and cooling season.

Service as necessary.

Service

TO CLEAN OR REPLACE AIR FILTERS

1. Place a plastic sheet on the floor to catch any water that

may spill from drain pan.

2. Slide filter out.

3. Vacuum clean or wash filter with soapy water. Rinse and

let air dry. If filter needs replacing, filters are available

from the local dealer.

Never operate unit without a filter or with grille removed.

Damage to the unit or personal injury may result.

To avoid personal injury or damage to unit, do not service

until all power sources are shut down, locked out, and

tagged out. Failure to do so could result in personal injury

or unit damage.

If air filter is not replaced in the unit, dust and dirt gather in

air conditioner and operation becomes impaired.

Room Controller

down

Keep it pressed

for 5 seconds

To change

the value

Automatic

(AUTO)

Continuous

movement

(swing)

Fig. 33 — Selecting the Louver Mode

Fig. 34 — Inserting Water into Drain Pan

1 2 ... 18 19 20 21 22 23 24

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