Service manual

2
TABLE OF CONTENTS
1. Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Accessibility Of Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3. Unit Dimensions And Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4. Specifications And Unit Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5. Unit Depiction Figures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6. Thermostat Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7. Wall Thermostat - 6536-335* . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
8. Thermostat Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
9. Blower Performance Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
10. Indoor Blower Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
11. Outdoor Blower Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
12. By Flow Restrictor Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
13. Evaporator Coil Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
14. Condenser Coil Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
15. Compressor Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
16. Reversing Valve Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
17. Wiring Diagram - Electronic Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
18. Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
18A. Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
19. Wirebox Component Checkout (6536 Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
19A. Wirebox Component Checkout (6536A Models) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
20. Service Problems And Possible Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
21. Electrical Flow Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
A. Cooling Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
B. Heating Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
1. WARNINGS
IMPORTANT NOTICE
These instructions are for the use of qualified individuals
specially trained and experienced in installation of this type
equipment and related system components.
Installation and service personnel are required by some states
to be licensed. PERSONS NOT QUALIFIED SHALL NOT
INSTALL NOR SERVICE THIS EQUIPMENT.
NOTE
The words “Shall” or “Must” indicate a
requirement which is essential to satisfactory
and safe product performance.
The words “Should” or “May” indicate a
recommendation or advice which is not
essential and not required but which may
be useful or helpful.
WARNING - SHOCK HAZARD
To prevent the possibility of severe personal injury or
equipment damage due to electrical shock, always be sure the
electrical power to the appliance is disconnected.
CAREFULLY FOLLOW ALL INSTRUCTIONS AND
WARNINGS IN THIS BOOKLET TO AVOID DAMAGE TO
THE EQUIPMENT, PERSONAL INJURY OR FIRE.
WARNING
Improper installation may damage equipment, can create a
hazard and will void the warranty.
The use of components not tested in combination with these
units will void the warranty, may make the equipment in
violation of state codes, may create a hazard and may ruin the
equipment.