Service manual

- 2 -

TABLE OF CONTENTS

1. Introduction………………………………………………..3

I. Goals and Objectives…………………….…...……………………………3

II. R134a Refrigerant Service Information.....................…………..…….3

2. Component Information and Access………………….5

I. Model and Serial Label Location…………………………………………5

II. Component Access…………………………………………………………6

1) Removing the Outer Cover…………………………..……………...…..6

2) Removing the Inner Styrofoam Cover…..……………………………..6

3) Removing the Fan Plate….…………………..…………………………..8

4) Removing the Electronic Controller……………..……………………..9

5) Removing the Thermistor………………………………………………..9

6) Removing Fan Motors…………………………………………………...10

7) Removing the Start Relay and Overload Protector …………….....10

8) Removing the Compressor……..………………………………………11

9) Removing the Condenser……..………………………………………..12

10) Removing the Evaporator…..…………………………………………..12

3. Servicing and Diagnosis……………………………….13

I. Identifying Component Problems........…….…….………………….13

1) Terminal Block………………………………………………………….13

2) Compressor……………………………………………………………….14

3) Start Relay…………………………………………………………………15

4) Overload Protector.………………………………………………………16

5) Electronic Controller……………………………………………………16

6) Thermistor..………………………………………………………………..17

7) Fan Motors.………………………………………………………………..17

II. Wiring Diagram.….……..…………………………………..……………..18

III. Troubleshooting Chart.…....…………….………………………………19

4. Customer Support………………………………………24

5. Warranty Information…………………………………..25

I. Limited Warranty …………………………………..……………………..25

II. Limitation of Implied Warranty.………………………………………….26