Sanyo KH2442 / CH2442 User Manual download pdf (Page 3)

WHO SHOULD USE THIS MANUAL

This service manual is made to assist the service technician apply his knowledge and training

to this model air conditioner. This manual is written both for experienced service persons

and those who are new to air conditioning service. To help those with less experience or

who are new to this kind of unit we have included more explanations of basic procedures in

simple language than is usual in some service manuals. The experienced technician will of

course find he knows many of these things already and can go directly to the procedures and

information he needs; the less experienced technician will better understand what to do even

before he arrives on the job, and therefore be better able to work by himself as well as assist

the more experienced technician.

TABLE OF CONTENTS

1. SPECIFICATIONS............................................................................................ I - 1

1-1 Unit Specifications .....................................................................................I - 2

1-2 Major Component Specifications ...............................................................I - 12

(A) Indoor Units ..................................................................................................I - 12

(B) Outdoor Units ...............................................................................................I - 22

1-3 Other Component Specifications ...............................................................I - 25

1-4 Dimensional Data ......................................................................................I - 38

(A) Indoor Units ..................................................................................................I - 38

(B) Outdoor Units ...............................................................................................I - 47

1-5 Refrigerant Flow Diagram..........................................................................I - 49

1-6 Operating Range .......................................................................................I - 50

1-7 Cooling Capacity........................................................................................I - 51

1-8 Heating Capacity .......................................................................................I - 71

1-9 Performance Charts...................................................................................I - 72

1-10 Noise Criterion Curves...............................................................................I - 90

1-11 Increasing the Fan Speed..........................................................................I - 95

1-12 Air throw Distance Chart............................................................................I - 96

1-13 Installation Instructions ..............................................................................I - 99

2. PROCESSES AND FUNCTIONS ......................................................................II - 1

2-1 Room Temperature Control ......................................................................II - 2

2-2 Cold Draft Prevention (Heating Cycle)......................................................II - 4

2-3 Automatic Fan Speed (Indoor Unit) ..........................................................II - 5

2-4 Outdoor Fan Speed Control......................................................................II - 6

2-5 Freeze Prevention (Cooling) .....................................................................II - 7

2-6 Condensing Temperature Control (Cooling) .............................................II - 8

SM830082

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Sanyo KH2442 / CH2442 User Manual Page 3