ComfortStar CARAT24-CD Manuals

Manuals and User Guides for ComfortStar CARAT24-CD. We have 1 ComfortStar CARAT24-CD manual available for free PDF download: Service Manual

ComfortStar CARAT24-CD Service Manual (66 pages)

23SEER DIAMOND SPLITS

Brand: ComfortStar | Category: Air Conditioner | Size: 5.78 MB

Service Manual
1
Technical Specifications
2
Part Name
6
Indoor Unit
6
Outdoor Unit
6
Outline and Installation Dimensions of Indoor Unit
7
Outline and Installation Dimensions of Outdoor Unit
8
Electrical Circuit Diagram
9
PCB Function Manual and Operation Method
10
Temperature Parameters
10
Basic Function of System
10
Display State of Indoor Indicators
11
Failure Display of Indoor Unit
11
State of Indoor Display Board
11
Other Control Targets
11
Sleep Function
12
In Heating Mode
12
In Cooling Mode
12
Timing Function
12
Outdoor Unit Part
13
Input Parameter Compensation and Calibration
13
Basic Functions
13
Locked Protection of PG Motor
13
Special Functions
14
Dehumidifying Mode
14
Air-Supplying Mode
14
Heating Mode
14
Defrosting Control under Heating Mode
15
4-Way Valve Control
15
Charging Control
15
PFC Function Control
15
Starting Estimation
16
Raising the Frequency Slowly
16
Frequency Limited
16
Reducing Frequency at Normal Speed
16
Power Turn-Off
16
Overload Protection Function at the Mode of Heating
17
Power Turn-Off
17
Protective Function for Discharge Temperature of Compressor
17
You Should
17
Reducing Frequency at High Speed and Power Turn-Off
18
Protective Function for Electric Current
18
Voltage Sag Protection
18
Communication Fault
18
Voltage Abnormity Protection for DC Bus
20
Abnormity Protection for Four-Way Valve
20
PFC Protection
20
Failure Detection for Sensor
20
Operation of Wireless Remote Control
21
SLEEP Button
21
FAN Button
21
CLOCK Button
21
X-FAN Button
22
TURBO Button
22
TEMP Button
22
Timer on Button
23
Timer off Button
23
Health Button
23
I Feel Button
23
Guide for Operation- General Operation
24
Guide for Operation- Optional Operation
24
Introduction for Special Function
24
About Blow Function
24
About Lock
25
About Swing up and down
25
About Switch between Fahrenheit and Centigrade
25
About New Function of Defrosting
25
Changing Batteries and Notices
25
Displayer Indicator Light Control of Indoor Unit
26
Emergency Operation
26
Explosive View and Spare Parts List
27
Exploded View of Components and Parts of Indoor Unit
27
Exploded View of Components and Parts of Outdoor Unit
29
Trouble-Shooting
35
Indoor PC Board
39
Indoor PCB
40
Front Side
40
Back Side VIEW
41
The Key Testing Points(Back Side)
42
Ap1 Unit
43
PCB Front Side
44
3 Key Testing Point
45
PCB of Outdoor Unit (Front Side)
47
PCB of Outdoor Unit (Back Side)
47
Malfunctions
48
Discharging Method
48
Remove the Inverter Cover
48
Key Test Spot
49
Flashing LED of Indoor/Outdoor Unit and Primary Judgement
49
How to Check Simply the Main Part
53
Capacitor Charge Fault
53
Main Check Points
53
Fault Diagnosis Process
53
IPM Protection, Out-Of-Step Fault, Compressor Phase Overcurrent
54
High Temperature and Overload Protection Diagnosis
56
Start-Up Failure
57
Whether the System Pressure Is too High?
58
Whether the Input Voltage Is too Low?
58
Wether the PMV Is Connected Well or Not? Is PMV Damaged?
59
Is Refrigerant Leaked?
59
Power Factor Correct or (PFC) Fault
60
Communication Malfunction
61
Flow Chart for Outdoor Communitcation Circuit Detecting
62
Appendix 1: Form for Indoor/Outdoor Unit's Ambient Sensor Numerical Value of Resistance
63
Appendix 3: Form for Indoor/Outdoor Unit's Air Exhaust Temperature Sensor Numerical Value of Resistance
65

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ComfortStar CARAT24-CD Service Manual (66 pages)

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