Carrier 42NQV009E User manual

April, 2007
FILE NO. SVM-07018-1
42NQV009E / 38NYV009E
42NQV012E / 38NYV012E
SERVICE MANUAL
AIR-CONDITIONER
SPLIT WALL TYPE
1
2
AM
PM
X

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FILE NO. SVM-07018
CONTENTS
1. SPECIFICATIONS
1-1 Specifications
1-2 Operation Characteristic Curve
2. REFRIGERANT R410A
2-1 Safety During Installation/Servicing
2-2 Refrigerant Piping Installation
2-3 Tools
2-4. Recharging of Refrigerant
2-5. Brazing of Pipes
3. CONSTRUCTION VIEWS
3-1 Indoor Unit
3-2 Outdoor Unit
4. WIRING DIAGRAM
4-1 Indoor Unit
4-2 Outdoor Unit (38NYV009E, 38NYV012E)
5. SPECIFICATION OF ELECTRICAL PARTS
5-1 Indoor Unit
5-2 Outdoor Unit (38NYV009E, 38NYV012E)
6. REFRIGERANT CYCLE DIAGRAM
6-1 Refrigerant Cycle Diagram (42NQV009E / 38NYV009E,
6-2 Operation Data
7. CONTROL BLOCK DIAGRAM
7-1 Indoor Unit
7-2 Outdoor Unit
8. OPERATION DESCRIPTION
8-1 Outlined of Air Conditioner Control
8-2 Description of Operation Circuit
8-3 Temporary Operation
8-4 Auto Restart Function
8-5 Filter Check Lamp
9. INSTALLATION PROCEDURE
9-1 Safety Cautions
9-2 Indoor Unit
9-3 Outdoor Unit
42NQV012E / 38NYV012E)

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FILE NO. SVM-07018
10. HOW TO DIAGNOSE THE TROUBLE
10-1 First Confirmation
10-2 Primary Judgment
10-3 Judgment by Flashing LED of Indoor Unit
10-4 Self-Diagnosis by Remote Control (Check Code)
10-5 Judgment of Trouble by Every Symptom
10-6 Check Code 1C (Miswiring in indoor/outdoor units) and 1E
10-7 How to Diagnose Trouble in Outdoor Unit
10-8 How to Check Simply the Main Parts
10-9 How to Simply Judge Whether Outdoor Fan Motor is Good or Bad
11. HOW TO REPLACE THE MAIN PARTS
11-1 Indoor Unit
11-2 Microcomputer
11-3 Outdoor Unit
12. EXPLODED VIEWS AND PARTS LIST
12-1 Indoor Unit (E-Parts Assy)
12-2 Indoor Unit
12-4 Outdoor Unit (38NYV012E)
12-5 Outdoor Unit (E-Parts Assy)
12-3 Outdoor Unit (38NYV009E)

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FILE NO. SVM-07018
1. SPECIFICATIONS
1-1. Specifications
•The specification may be subject to change without notice for purpose of improvement.
Unit model
(kW)
Outdoor
(kW)
(kW)
Cooling capacity
(kW)
(A)
(W)
(%)
Cooling capacity range
(A)
(W)
(%)
(dB•A)
Heating capacity
(dB•A)
(dB•A)
(mm)
(mm)
Heating capacity range
(mm)
(kg)
(W)
(m3/h)
Electric
(mm)
(mm)
characteristics
(mm)
Indoor
(kg)
Operation mode
(W)
(W)
(m3/h)
(m)
Running current
(m)
(m)
(kg)
2.50
1.3~2.9
Power consumption
3.20
1.1~4.0
1Ph, 220 −240V~50Hz
Cooling Heating
Power factor
0.15 0.15
30 30
87 87
Outdoor Operation mode Cooling Heating
3.65 4.15
800 905
Running current
9595
(dB•A)
High (Cooling / Heating) 3.01/3.42
39/41
34/36
30/31
48/50
42NQV009E
275
790
208
10
Power consumption
20
Power factor
540/610
38NYV009E
530
660
240
29
750
Single rotary type with DC-inverter variable speed control
COP (Cooling / Heating)
DA89X1C-23FZ
20
1450/1450
Flare connection
Operation noise
∅6.35
Indoor
∅9.52
∅6.35
∅9.52
10
10
8
Medium (Cooling / Heating)
R410A
0.63
3 Wires:includes earth (Outdoor)
4 Wires:includes earth
21 ∼32 / Up to 27
Low (Cooling / Heating)
15 ~43 / −10 ~24
Power supply
Outdoor (Cooling / Heating)
Indoor unit Unit model
Dimension Height
Width
Depth
Net weight
Fan motor output
Air flow rate (Cooling / Heating)
Outdoor unit Unit model
Dimension Height
Width
Depth
Net weight
Compressor Motor output
Type
Model
Fan motor output
Air flow rate (Cooling / Heating)
Piping connection Type
Indoor unit Liquid side
Gas side
Outdoor unit Liquid side
Gas side
Maximum length (Per unit)
Maximum chargeless length
Maximum height difference
Refrigerant Name of refrigerant
Weight
Wiring connection Power supply
Interconnection
Usable temperature range Indoor (Cooling / Heating) (°C)
Outdoor (Cooling / Heating) (°C)


42NQV009E
38NYV009E
Indoor

•The specification may be subject to change without notice for purpose of improvement.
Unit model
(kW)
Outdoor
(kW)
(kW)
Cooling capacity
(kW)
(A)
(W)
(%)
Cooling capacity range
(A)
(W)
(%)
(dB•A)
Heating capacity
(dB•A)
(dB•A)
(mm)
(mm)
Heating capacity range
(mm)
(kg)
(W)
(m3/h)
Electric
(mm)
(mm)
characteristics
(mm)
Indoor
(kg)
Operation mode
(W)
(W)
(m3/h)
(m)
Running current
(m)
(m)
(kg)
3.30
1.3~3.9
Power consumption
4.10
1.1~4.8
1Ph, 220 −240V~50Hz
Cooling Heating
Power factor
0.15 0.15
30 30
87 87
Outdoor Operation mode Cooling Heating
5.13 5.60
1140 1240
Running current
9796
(dB•A)
High (Cooling / Heating) 2.82/3.23
40/41
34/35
27/29
48/50
42NQV012E
275
790
208
10
Power consumption
20
Power factor
590/620
38NYV012E
530
660
240
30
750
Single rotary type with DC-inverter variable speed control
COP (Cooling / Heating)
DA89X1C-23FZ
30
1650/1650
Flare connection
Operation noise
∅6.35
Indoor
∅9.52
∅6.35
∅9.52
15
15
10
Medium (Cooling / Heating)
R410A
0.82
3 Wires:includes earth (Outdoor)
4 Wires:includes earth
21 ~32 / Up to 27
Low (Cooling / Heating)
15 ~43 / −10 ~24
Power supply
Outdoor (Cooling / Heating)
Indoor unit Unit model
Dimension Height
Width
Depth
Net weight
Fan motor output
Air flow rate (Cooling / Heating)
Outdoor unit Unit model
Dimension Height
Width
Depth
Net weight
Compressor Motor output
Type
Model
Fan motor output
Air flow rate (Cooling / Heating)
Piping connection Type
Indoor unit Liquid side
Gas side
Outdoor unit Liquid side
Gas side
Maximum length (Per unit)
Maximum chargeless length
Maximum height difference
Refrigerant Name of refrigerant
Weight
Wiring connection Power supply
Interconnection
Usable temperature range Indoor (Cooling / Heating) (°C)
Outdoor (Cooling / Heating) (°C)


42NQV012E
38NYV012E
Indoor
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FILE NO. SVM-07018