AMSCI4H4S18 is the 18,000 Btu outdoor unit of Multi Plus Series.
Multi Plus condenser (18k)
Wiring Diagram
AMSCI4H4S18 Wiring Diagram
Exploded View and Parts List
| Number
|
Part Description
|
| 1
|
Fan Guard
|
| 2
|
Front Panel
|
| 3
|
Hex Nuts
|
| 4
|
Propeller Fan Blade
|
| 5
|
Axis Sheath
|
| 6
|
DC Motor
|
| 7
|
Motor Supporter
|
| 8
|
Connecting Board
|
| 9
|
Upper Board
|
| 10
|
Back Guard
|
| 11
|
Clapboard
|
| 12
|
PFC Inductance
|
| 13
|
Right Side Board
|
| 14
|
Strengthen Plate
|
| 15
|
Valve Cover
|
| 16
|
Sensor Mounting Plate
|
| 17
|
Condenser
|
| 18
|
Four-Way Valve
|
| 19
|
Four-Way Valve Coil
|
| 20
|
Inverter Compressor
|
| 21
|
Electronic Expansion Valve Coil
|
| 22
|
Electronic Expansion Valve Coil
|
| 23
|
Outlet Tube Assembly
|
| 24
|
Noise-insulation Cotton
|
| 25
|
Noise-insulation Cotton
|
| 26
|
Tube Electric Heater
|
| 27
|
Mounting Plate
|
| 28
|
Mounting Plate
|
| 29
|
Base Holder
|
| 30
|
Electric Heating Belt
|
| 31
|
Hex Nuts
|
| 32
|
Mounting Plate
|
| 33
|
Fixing Clip
|
| 34
|
Electric Box Cover
|
| 35
|
Outdoor Main Control Board Component
|
| 36
|
Mounting Plate
|
| 37
|
Insulative Spacer Block
|
| 38
|
Radiator
|
| 39
|
Electric Box
|
| 40
|
Connecting Board
|
| 41
|
Connection Terminal Panel
|
| 42
|
Mounting Plate
|
| 43
|
Power Terminal Panel
|
| 44
|
Display Board
|
| 45
|
Discharge, Suction, Coil and Air Temperature Sensor
|
| 46
|
Liquid and Gas Temperature Sensor for A and B
|
PCB Printed Diagram
AMSCI4H418 PCB Printed Diagram Main Board
| Number
|
Description
|
| 1
|
Driver EE Data Socket
|
| 2
|
DC Motor
|
| 3
|
For Developer
|
| 4
|
Electronic Expansion Valve B
|
| 5
|
Electronic Expansion Valve A
|
| 6
|
For Developer
|
| 7
|
Main EE Data Socket
|
| 8
|
4-Way Valve
|
| 9
|
Electric Heating Belt
|
| 10
|
Base Heater
|
| 11
|
Sensor Signal from Sensor Board
|
| 12
|
Communication Signal to Indoor Unit
|
| 13
|
AC Power Lin
|
| 14
|
AC Power Nin
|
| 15
|
Ground
|
| 16
|
Reactor L1
|
| 17
|
Reactor L2
|
| 18
|
Compressor U
|
| 19
|
Compressor V
|
| 20
|
Compressor W
|
AMSCI4H418 PCB Printed Diagram Sensor & Maintenance Board
| Number
|
Description
|
| 1
|
Gas B/Liquid B/Gas A/Liquid A Sensor
|
| 2
|
Discharge Sensor/Defrost Sensor/Coil Sensor/Suction Sensor/Outdoor Sensor
|
| 3
|
High Pressure Switch
|
| 4
|
Gas C/Liquid C/Gas D/Liquid D Sensor (Invalid for 18k)
|
| 5
|
Sensor Signal to Main Board
|
| 6
|
Select Switch Signal to Main Board to Indoor Unit
|
| 7
|
Communication Signal to Main Board
|
