INVENTOR LCAC User manual

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• SERVICE MANUAL
english
LCAC
AIR CONDITIONING SYSTEMS

Contents
Contents i
Part 1 General Information.......................................................1
Part 2 Indoor Units................................................................6
Part 3 Outdoor Units...........................................................97
Part 4 Installation..............................................................110
Part 5 Electrical Control System.....................................144
※The specifications, designs, and information in this book are subject to change without notice for
product improvement.

ii General Information

General Information
General Information 1
Part 1
General Information
1. Model Lists ............................................................................................2
2. External Appearance............................................................................3
2.1 Indoor Units............................................................................................................... 3
2.2 Outdoor Units............................................................................................................ 4

Model Lis ts
2 General Information
1. Model Lists
1.1 Indoor Units
R410A (capacity multiplied by 1000Btu/h)
Type F unction 12 18 24 36 42 50 60
Super sl im ca ss ette Coo ling and he ating ● ● ● ● ●
Duct Coo ling and heat ing ● ● ● ● ● ● ●
Cei ling-oor Coo ling and he ating ● ● ● ● ● ●
Four-way cas s ette(compact) Coo ling and he ating ●●
Con sole Coo ling and he ating ●
Floor-standing Coo ling and heat ing ●
Floor-standing Coo ling and he ating ●
1.2 Outdoor Units
Univer sal Outd oor unit Model Compres sor type Compres sor Br and
U4MRS-1 2 Ro tary G MC C
U4MR S -18 Ro tary G MC C
U4MR S -36 Ro tary G MC C
U4MR S -24 Ro tary G MC C
U4MR T-42 Ro tary G MC C
U4MR T-50 Ro tary G MC C
U4MR T-60 Ro tary G MC C
●
●

External Ap pearance
General Information 3
2. External Appearance
2.1 Indoor Units
Super slim cassette Duct
Compact Four-way cassette
Console
Floor-standing
Floor-standing
Ceiling-Floor

External Appearance
4 General Information
2.2 Outdoor Units
Single fan outdoor unit Double fan outdoor unit

Indoor Units
6 Indoor Units
Part 2
Indoor Units
Super Slim Cassette Type ...................................................7
Duct Type.............................................................................22
Ceiling & Floor Type...........................................................39
Four-way Cassette Type (Compact)..................................55
Console Type.......................................................................64
Floor-standing Type...........................................................75
Floor-standing Type ..........................................................86

Super Slim Cassette Type
Indoor Units 7
Super Slim Cassette Type
1. Features ..............................................................................8
2. Dimensions......................................................................11
3. Service Space..................................................................12
4. Air Velocity Distributions (Reference Data) .................13
5. Electric Characteristics..................................................16
6. Sound Levels...................................................................17
7. Accessories.....................................................................18
8. The Specification of Power............................................19
9. Field Wiring .....................................................................20
10. Wiring diagram..............................................................21
11. Wiring diagram..............................................................52