Carrier 48TJD008-014 User Manual download pdf (Page 25)

SERVICE

When servicing unit, shut off all electrical power to unit

to avoid shock hazard or injury from rotating parts.

Cleaning — Inspect unit interior at the beginning of each

heating and cooling season and as operating conditions

require.

EVAPORATOR COIL — Clean coil as required. Inspect coil

at beginning of heating and cooling seasons.

1. Turn unit power off. Remove evaporator coil access panel.

2. If economizer is installed, remove economizer by

disconnecting Molex plug and removing economizer mount-

ing screws. Refer to Accessory Economizer Installation

Instructions or Optional Economizer sections on

pages 12 and 15 for more details.

3. Slide ﬁlters out of unit.

4. Clean coil using a commercial coil cleaner or dishwasher

detergent in a pressurized spray canister. Wash both sides

of coil and ﬂush with clean water. For best results, back-

ﬂush toward return-air section to remove foreign

material.

5. Flush condensate pan after completion.

6. Reinstall economizer and ﬁlters.

7. Reconnect wiring.

8. Replace access panels.

CONDENSER COIL — Inspect coil monthly. Clean con-

denser coil annually, and as required by location and outdoor-

air conditions.

One-Row Coils — Wash coil with commercial cleaner. Clean

outer surfaces with a stiff brush in the normal manner. It is

not necessary to remove top panel.

2-Row Coils — Clean coil as follows:

1. Turn off unit power.

2. Remove top panel screws on condenser end of unit.

3. Remove condenser coil corner post. See Fig. 37. To hold

top panel open, place coil corner post between top panel

and center post. See Fig. 38.

4. Remove screws securing coil to center post.

5. Remove fastener holding coil sections together at return

end of condenser coil. Carefully separate the outer coil

section 3 to 4 in. from the inner coil section. See

Fig. 39.

6. Use a water hose or other suitable equipment to ﬂush down

between the 2 coil sections to remove dirt and debris. Clean

the outer surfaces with a stiff brush in the normal manner.

7. Secure inner and outer coil rows together with a ﬁeld-

supplied fastener.

8. Reposition the outer coil section and remove the coil cor-

ner post from between the top panel and center post.

9. Reinstall the coil corner post and replace all screws.

CONDENSATE DRAIN — Check and clean each year at

start of cooling season. In winter, keep drain dry or protect

against freeze-up.

FILTERS — Clean or replace at start of each heating and

cooling season, or more often if operating conditions require

it. Replacement ﬁlters must be same dimensions as original

ﬁlters.

Lubrication

COMPRESSORS — Each compressor is charged with the

correct amount of oil at the factory.

FAN-MOTOR BEARINGS — Fan-motor bearings are of

the permanently lubricated type. No further lubrication is

required. No lubrication of condenser- or evaporator-fan

motors is required.

Fig. 37 — Cleaning Condenser Coil

Fig. 38 — Propping Up Top Panel

Fig. 39 — Separating Coil Sections

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 39 40

Comments to this Manuals

No comments

Carrier 48TJD008-014 User Manual Page 25

Comments to this Manuals

Related products and manuals for Conditioners Carrier 48TJD008-014