Contents
Technical service manual
SMF-C09AI SMF-C12AI SMF-C18AI
SMF-4E27AI
R410A Cassette Inverter multi Series
7. Electronic control functions 8. Exploded view
CONTENTS 1. Features 2. Specification 3. Outline and dimension
4. Indoor unit combination 5. Capacity table 6. Wiring diagram
3 High efficiency screw fan
1. Features
1 Fashion design, quality life 2 Low operation noise
4 Equal, fast, wide-angle cooling, more comfortable
SMF-C09AI
2.Specification
indoor unit
SMF-C12AI
Indoor
unitpanel
Heating
OUTDOOR UNIT
Cooling
SMF4E27AI
17~43
5uF/500VAC
Electronic control
Qty’per 20’ /40’ /40HQ
Indoor combination7K X4, setting temp.17,setting fan speed high speed
Indoor combination7K X4, setting temp.30,setting fan speed high speed
Outdoor temp 35CDB
Outdoor unit
3.Outline and dimension
Indoor unit7k/9k/12k/18k
Chart
4.Indoor unit combination
HEATING
5. Capacity table SMF-4E27AI 7k+7k+7k+7k
COOLING
6. WIRING DIAGRAM Indoor unit
Outdoor unit SMF-4E27AI
7.1 Protection
7. Electric control functions
7.2 Operating mode
7.2.1 Cooling mode
7.2.4 Defrost operation
7.2.2 Dehumidifying mode
7.2.3 Heating mode
7.3 Mode conflict
7.4 Manual switch
7.5 Timer Function
7.7 Cooling capacity test frequency locked
7.8 Indoor unit indicator display function
7.6 Auto restart function
7.9 Outdoor unit LED display function
7.10 Check function
7.11 Outdoor fan speed control
7.12 Oil return function
Page
Rubber, wire crossing
Pipe Temperature Sensor Assy
Wire crossing board
Switch cover, air inlet grille
Page
Rubber, wire crossing
Pipe Temperature Sensor Assy
Wire crossing board
Switch cover, air inlet grille
Page
Switch cover, air inlet grille
Wire crossing board
Rubber, wire crossing
Switch, air inlet grille
SMF-4E27AI
C high pressure valve assembly
electrical box assembly
D high pressure valve assembly
B high pressure valve assembly