vii
TABLE OF CONTENTS
1. Safety
Summary
.............................................................................................................................................1
2. Structure
.........................................................................................................................................................1
2.1
Dimensions
.............................................................................................................................................1
2.2
Refrigeration
Cycle
.................................................................................................................................2
2.3
Necessary
Tools
and
Instrument
List
for
Installation
..............................................................................3
3. Transportation
and
Handling
...........................................................................................................................3
3.1
Transportation
........................................................................................................................................3
3.2 Handling of
Switch Box
...........................................................................................................................3
3.3 Combination of
Switch Box
and Indoor Unit
...........................................................................................3
4. Switch Box
Installation
....................................................................................................................................4
4.1
Factory-Supplied
Accessories
................................................................................................................4
4.2
Initial
Check
............................................................................................................................................5
4.3
Suspension
Bolts
....................................................................................................................................6
4.4
Installation
..............................................................................................................................................7
4.4.1
Changing
the
Location
of
the
Electrical
Box
.................................................................................7
4.4.2
Marking
of
the
Positions
of
the
Suspension
Bolts
and
Wiring
Connections
.................................8
4.4.3 Mounting and Hanging the
Switch Box
.........................................................................................8
5. Refrigerant
Piping
Work
..................................................................................................................................9
5.1
Refrigerant
Piping
...................................................................................................................................9
5.2
Refrigerant
Piping
Work
.......................................................................................................................11
6. Electrical
Wiring
............................................................................................................................................15
6.1
General
Check
.....................................................................................................................................15
6.2
Electrical
Wiring
Connection
................................................................................................................16
6.3
Electrical
Wiring
....................................................................................................................................17
6.4
Setting
of
DIP
Switches
........................................................................................................................18
7. Test
Run
........................................................................................................................................................19
8. Safety
and
Control
Device
Setting
................................................................................................................20