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GC 21 DCI
Airwell GC 21 DCI User Manual
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5-3
PERFORMANCE DA
T
A
& PRESSURE CURVES
SM PNXGC 1-A.1 GB
5.2
Capacity Correction Factor Due to T
ubing Length
5.2.1 Cooling
0.
91
0.
92
0.
93
0.
94
0.
95
0.
96
0.
97
0.
98
0.
99
1.
00
1.
01
3
4
5
6
7
8
9
1
01
11
21
31
41
51
61
71
81
92
0
Tubi
ng Le
ngt
h [
m
]
Cap
a
ci
ty
Rati
o
5.2.2 Heating
0.
90
0.
92
0.
94
0.
96
0.
98
1.
00
1.
02
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Tubing Le
ngt
h [
m
]
Cap
a
ci
ty Rati
o
CONTENTS
18
20
Table of Contents
List of Effective Pages
2
Table of Contents
3
Introduction
4
General
4
Main Features
4
Indoor Unit
5
Indoor Unit Features
5
Filtration
5
Ionizer (Optional)
5
Inbox Documentation
6
Accessories
6
Outdoor Unit
6
Tubing Connections
6
Matching Table
7
R410A
7
Product Data Sheet
8
Pnx 9 DCI
8
Pnx 12 DCI
9
Pnx 18 DCI
10
Pnx 21 DCI
11
Pnx 24 DCI
12
Rating Conditions
13
Operating Limits
13
Outline Dimensions
14
Indoor Unit: PNX 9 / 12 DCI
14
Outdoor Unit: GC 9 / 12 / 18
14
Indoor Unit: PNX 18 / 21 / 24
15
Outdoor Unit: GC 21 DCI
15
Outdoor Unit: GC 24 Z DCI
16
Outline Dimensions
16
Performance Data & Pressure Curves
17
Cooling Capacity (Kw) - Run Mode
17
Capacity Correction Factors
17
Pnx 9 / Gc 9 DCI
17
Heating Capacity (Kw) - Run Mode)
18
Capacity Correction Factor Due to Tubing Length
19
Cooling
19
Heating
19
Pnx 12 / Gc 12 DCI
20
Pnx 18 / Gc 18 DCI
23
Pnx 21 / Gc 21 DCI
25
Discharge Pressure VS. Outdoor Temp.
30
Suction Pressure Vs.outdoor Temp.
30
Pressure Curves
30
Heating — Test Mode
31
Sound Pressure Level
36
Sound Pressure Level Spectrum
36
Sound Level Characteristics
36
Outdoor Units
38
GC 18 DCI Cooling
39
GC 18 DCI Heating
39
GC 21 DCI Cooling
39
GC 21 DCI Heating
39
GC 24 Z DCI Heating
40
GC 24 Z DCI Cooling
40
Single Phase Unit
41
Electrical Data
41
Indoor & Outdoor Units: PNX 9, 12 / GC 9, 12 DCI
42
Wiring Diagrams
42
Indoor Unit: PNX 18 / PNX 21 DCI
43
Indoor Unit Controller PCB
43
Outdoor Unit: GC 18 DCI / GC 21 DCI
43
Indoor & Outdoor Units: PNX 24 DCI / GC 24 DCI
44
Refrigeration Diagrams
46
Heating Mode
47
Cooling & Dry Mode
47
Pnx 24 / Gc 24 Z DCI
47
Pnx 9, 12, 18, 21 DCI
48
Electrical Connections
48
Power Supply
49
Control System
50
General Functions and Operating Rules
50
System Operation Concept
50
Compressor Frequency Control
50
Indoor Fan Control
51
Compressor Starting Control
51
Frequency Changes Control
51
Minimum on and off Time
51
Heating Element Control
52
Outdoor Fan Control
52
EEV (Electronic Expansion Valve) Control
52
Reversing Valve (RV) Control
52
Base Heater Control
53
Fan Mode
53
Cool Mode
53
Heat Mode
53
Protections
54
Indoor Coil Defrost Protection
54
Auto Cool/Heat Mode
54
Indoor Fan Control in Heat Mode
54
Indoor Coil over Heating Protection
55
Compressor over Heating Protection
55
Compressor over Current Protection
55
Outdoor Coil Deicing Protection
56
Deicing Starting Conditions
56
Deicing Protection Procedure
57
Condensate Water over Flow Protection
57
3 Levels Logic (Used in Floor/Ceiling Models)
57
1 Level Logic
58
Indoor Unit Dry Contact
58
Operating the Unit from the Mode Button
59
On Unit Controls and Indicators
59
Indoor Unit Controls and Indicators for LCD Display
60
Indoor Unit Controller Controls and Indicators for Floor/Ceiling Model
61
Outdoor Unit Controller Indicators
61
Unit Has Three LED
61
Jumper Setting
62
Indoor Unit Controller
62
Odu Model Selection
63
Outdoor Unit Controller
63
J9- Presence Detector/Power Shedding
63
Model Selection Jumper – J7, J8
63
Unit Operation in Test Mode
64
SW Parameters
64
Indoor Units SW Parameters
64
Model Depended Parameters
64
Outdoor Units SW Parameters
65
Compressor Parameters
65
Frequency Limits as a Function of Outdoor Air Temperature
65
Compressor over Current Protection [A]
65
Target Frequency Setting
66
Target Frequency Setting for GC 24 / 30
67
EEV (Electronic Expansion Vavle) Control
69
EEV Control for GC 24 / 24 Z / 30
70
Rv(Reversing Valve) Control
70
Ioniser Control
70
Temperature Compensation
71
Indoor Fan Control in Heating Mode
71
Indoor Coil Overheating Protection
72
Compressor Overheating Protection
73
Compressor over Current Protection Only for GC 18 / 21 / 24 Z
74
Heat Sink Overheating Protection
74
Entering Deicing Conditions
75
System over Power Protection Only for GC 24 / 30
75
Heat Sink Overheating Protection for GC 24 / 30
75
Deicing Operation Procedure
76
Outdoor Coil Deicing Protection for GC 24 / 30
76
Test Mode
80
Entering Test Mode
80
Model Dependent Parameters - DNG
81
Model Dependent Parameters - WNG
81
Model Dependent Parameters - PXD
82
Model Dependent Parameters for GC 18 / 21
83
Model Dependent Parameters for GC 24 Z
84
Model Dependent Parameters for GC 24 / 30
84
Single Split System Failures and Corrective Actions
85
Troubleshooting for GC 9 / 12 / 18 / 21 / 24 Z DCI
85
Checking the Refrigeration System
86
Judgment by Indoor/Outdoor Unit Diagnostics
87
Indoor Unit Diagnostics
87
Indoor Unit Diagnostics and Corrective Actions
88
Outdoor Unit Diagnosits
91
Outdoor Unit Diagnostics and Corrective Actions
91
Checking Mains Voltage
92
Checking Power Input
92
Simple Procedures for Checking the Main Parts
92
Judgment by Megatool
92
Precaution, Advise and Notice Items
93
High Voltage in Outdoor Unit Controller
93
Charged Capacitors
93
Additional Advises
93
Troubleshooting for GC 24 / 30 DCI
94
General System Failures and Corrective Actions
94
Outdoor Fault Corrective Actions
98
Fault Code for Indoor Unit
100
Checking PFC Chock Coil
101
Checking Main Fuse
101
Procedures for Checking Main Parts
101
Checking the Outdoor Fan Motor
102
Checking the Compressor
102
Checking the Reverse Valve (RV)
102
Checking the Termistors
102
Checking for Electromagnetic Interferance
103
EMC Troubles to Near by Home Appliances
103
Exploded Views and Spare Parts Lists
105
Outdoor Unit: GC 9 / 12 DCI
108
Tubing Connections
120
Appendix A
121
4
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Airwell GC 21 DCI Specifications
General
Brand
Airwell
Model
GC 21 DCI
Category
Air Conditioner
Language
English
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