Carrier 06 User Manual download pdf (Page 11)

Compressors

All compressors are factory shipped with a normal charge of the

correct type refrigerant grade oil. No field lubrication is necessary

except possibly with repair or replacement of refrigerant circuit

components.

Condenser Fan

PERSONAL INJURY HAZARD

Failure to follow this warning could result in personal injury

or death.

Do not poke sticks, screwdrivers, or other object into

revolving fan blades.

WARNING

The fan must be kept free of all obstructions to ensure proper

cooling. Contact your dealer for any required service.

Electrical Controls and Wiring

Electrical controls are difficult to check without proper

instrumentation; therefore, if there are any discrepancies in the

operating cycle, contact your dealer and request service.

Unit Panels

After performing any maintenance or service on the unit, be sure

all panels are securely fastened in place to prevent rain from

entering unit cabinet and to prevent disruption of the correct unit

airflow pattern.

REGULAR DEALER MAINTENANCE

In addition to the type of routine maintenance you might be willing

to perform, your unit should be inspected regularly by a properly

trained service technician. An inspection (preferably each year, but

at least every other year) should include the following:

1. Inspection of all flue product passages -- including the

burners, combustion baffles, heat exchanger, flue collector

box, and vent pipe.

2. Inspection of all combustion--air and ventilation--air

passages and openings.

3. Close inspection of all gas pipes leading to and inside your

unit.

4. Inspection, and if required, cleaning of the condenser and

evaporator coils.

5. Inspection, and if required, cleaning of the evaporator drain

pan.

6. Inspection, cleaning, and lubrication of blower wheel

housing and motor.

7. Inspection of all supply--air and return--air ducts for leaks,

obstructions, and insulation integrity. Any problems found

should be resolved at this time.

8. Inspection of the unit base to ensure that no cracks, gaps,

etc., exist which may cause a hazardous condition.

9. Inspection of the unit casing for signs of deterioration.

10. Inspection of all electrical wiring and components to

assure proper connection.

11. Inspection for leaks in the refrigerant circuit.

Pressure-- check to determine appropriate refrigerant charge

12. Operational check of the unit to determine working

conditions. Repair or adjustment should be made at this

time.

13. Your servicing dealer may offer an economical service

contract that covers seasonal inspections. Ask for further

details.

Complete Service Instructions can be found in the unit

Installation, Start-- Up and Service Instructions.

BEFORE YOU CALL FOR SERVICE,

CHECK FOR SEVERAL EASILY SOLVED

PROBLEMS

If insufficient heating or cooling is suspected:

( )Check for sufficient airflow. Check the air filter for dirt. Check

for blocked return-- air or supply-- air grilles. Be sure they are open

and unobstructed. If these checks do not reveal the cause, call your

servicing dealer.

If you r unit is not operating at all, check the

following list for easy solutions:

( ) If using a thermostat, check to be sure that your thermostat

temperature selector is set above the indoor temperature during the

heating season, or below the indoor temperature during the cooling

season. Be sure the SYSTEM switch in the proper HEAT or COOL

position and not in the OFF position.

()IfComfortLink™ controls are used, check Scrolling Marquee

to be sure unit is not in SERVICE TEST mode. Check that set

points are properly configured.

( ) If the alarm light is on, check what alarms are active and/or

notify the dealer.

( ) Is the electrical supply switch on? Are any fuses blown, or has

the circuit breaker tripped?

( ) During the heating season, check the manual gas shutoff valve.

Is this lever parallel with the pipe, indicating that the valve is open?

Or is the lever at the right angle, indicating that the valve is closed?

If closed, has the gas been shut off for safety reasons? Otherwise,

you may open the valve and follow the start--up procedures listed

in this manual.

NOTE: Before proceeding with the next check, turn off the

electrical power supply to the unit.

( ) During the heating season, check the control dial on the gas

valve. Is it in the ON position? If it is not, be sure it has not been

turned off for the purpose of safety. If nothing else is incorrect,

follow the start--up procedures in this manual.

( ) If your unit still fails to operate, call your servicing dealer for

troubleshooting and repairs. Specify the model and serial numbers

of your unit. (Record them in this manual in the space provided.) If

the dealer knows exactly which unit you have, he may be able to

offer suggestions over the phone, or save valuable time through

knowledgeable preparation for the service call.

IN CASE OF TROUBLE

If, after performing the above, unit performance is unsatisfactory,

shut off the unit and call your dealer.

Dealer’ s Name:

Telephone No.:

Unit Model:

Unit Serial Number:

48PD, 48PG

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Carrier 06 User Manual Page 11

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