INVENTOR U4MRS-12 Manuale utente

• SERVICE MANUAL

ENGLISH

AIR CONDITIONING SYSTEMS

LCAC

Contents

Contents i

Part 1 General Information .................................................................................................... 1

Part 2 Indoor Units ................................................................................................................. 7

Part 3 Outdoor Units .......................................................................................................... 119

Part 4 Installation ............................................................................................................... 132

Part 5 Electrical Control System....................................................................................... 171

※The specifications, designs, and information in this book are subject to change without notice for

product improvement.

MODELS:

U4MRS-12/V4MDI-12, U4MRS-12B/V4MDI-12B,

U4MRS-18/V4MCRI-18, U4MRS-18/V4MDI-18UR,

U4MRS-24/V4MCI-24UR, U4MRS-24/V4MKI-24UR,

U4MRS-24/V4MDI-24UR, U4MRS-36/V4MCI-36UR,

U4MRS-36/V4MKI-36UR, U4MRS-36/V4MDI-36UR,

U4MRT-42/V4MCI-42, U4MRT-42/V4MDI-42,

U4MRT-50/V4MCI-50UR, U4MRT-50/V4MDI-50,

U4MRT-60/V4MCI-60UR, U4MRT-60/V4MDI-60,

V4MFO-50/V4MFI-50, V4MFO-66B/V4MFI-66B

General Information

General Information 1

Part 1

General Information

1. Model Lists...........................................................................................2

2. External Appearance...........................................................................4

2.1 Indoor Units............................................................................................................... 4

2.2 Outdoor Units............................................................................................................ 5

Model Lists

General Information 2

1. Model Lists

1.1 Indoor Units

R410A (capacity multiplied by 1000Btu/h)

Type

Function

Super slim cassette

Cooling and heating

●

A5 Duct

Cooling and heating

●

A6 Duct

Cooling and heating

●

Ceiling-floor

Cooling and heating

●

Four-way

cassette(compact)

Cooling and heating

●

Console

Cooling and heating

●

Floor-standing

Cooling and heating

●

Floor-standing

Cooling and heating

●

1.2 Outdoor Units

Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units

Rotary GMCC V4MDI-12

U4MRS-12B Rotary GMCC

Rotary GMCC

V4MDI-12B

V4MCRI-18

V4MDI-18UR

V4MCI-24UR

V4MKI-24UR

V4MDI-24UR

Rotary GMCC

V4MCI-36UR

V4MKI-36UR

V4MDI-36UR

U4MRS-24

U4MRS-18

U4MRS-36

Rotary GMCC V4MCI-42

V4MDI-42

U4MRT-42

Rotary GMCC V4MCI-50UR

V4MDI-50

U4MRT-50

Rotary GMCC V4MCI-60UR

V4MDI-60

U4MRT-60

Rotary GMCC V4MFI-50

V4MFO-50

Rotary GMCC V4MFI-66B

V4MFO-66B

Model Lists

General Information 3

External Appearance

General Information 4

2. External Appearance

2.1 Indoor Units

Super slim cassette Duct

Ceiling-Floor Compact Four-way cassette

Console Floor-standing

Floor-standing

External Appearance

General Information 5

2.2 Outdoor Units

Single fan outdoor unit

Double fan outdoor unit

Indoor Units

Indoor Units 7

Part 2

Indoor Units

Super Slim Cassette Type...................................................8

A5 Duct Type......................................................................23

A6 Duct Type......................................................................39

Ceiling & Floor Type ..........................................................57

Four-way Cassette Type (Compact).................................73

Console Type .....................................................................83

Floor-standing Type..........................................................96

Floor-standing Type .......................................................108

Super Slim Cassette Type

Indoor Units 8

Super Slim Cassette Type

1. Features ...........................................................................9

2. Dimensions ....................................................................12

3. Service Space ................................................................13

4. Wiring Diagrams ............................................................14

5. Air Velocity Distributions (Reference Data).................15

6. Electric Characteristics.................................................18

7. Sound Levels .................................................................19

8. Accessories....................................................................20

9. The Specification of Power...........................................21

10. Field Wiring ..................................................................22

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