Airwell CKD Series User manual

CKD DCI Series
APRIL ─2010
Indoor Units Outdoor Units
CKD 025 DCI 72Z
CKD 030 DCI 80Z
REFRIGERANT R410A
HEAT PUMP
www.airwell.com
CONTENTS

A
LIST OF EFFECTIVE PAGES
SM CKDDCI 1-A.1 GB
LIST OF EFFECTIVE PAGES
Note: Changes in the pages are indicated by a “Revision#” in the footer of each effected page
(when none indicates no changes in the relevant page). All pages in the following list represent
effected/ non effected pages divided by chapters.
Dates of issue for original and changed pages are:
Original ....... 0 ........ April 2010
Total number of pages in this publication is 122 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title ....................... 1
A ...........................1
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2-1 - 2-2 ................1
3-1 ........................1
4-1 - 4-2 ................1
5-1 - 5-8 ................1
6-1 - 6-3 ................1
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11-1-11-15.............1
12-1-12-7 ..............1
13-1-13-8 ..............1
14-1-14-3 ..............1
15-1 ......................1
●Zero in this column indicates an original page.
*Due to constant improvements please note that the data on this service manual can be modified with out notice.
** Photos are not contractual.
CONTENTS

i
TABLE OF CONTENTS
SM CKDDCI 1-A.1 GB
Table of Contents
1. INTRODUCTION ...................................................................................................1-1
2. PRODUCT DATA SHEET......................................................................................2-1
3. RATING CONDITIONS..........................................................................................3-1
4. OUTLINE DIMENSIONS .......................................................................................4-1
5. PERFORMANCE DATA & PRESSURE CURVES ................................................5-1
6. SOUND LEVEL CHARACTERISTICS ..................................................................6-1
7. ELECTRICAL DATA..............................................................................................7-1
8. WIRING DIAGRAMS .............................................................................................8-1
9. REFRIGERATION DIAGRAMS.............................................................................9-1
10. TUBING CONNECTIONS......................................................................................10-1
11. CONTROL SYSTEM .............................................................................................11-1
12. TROUBLESHOOTING ..........................................................................................12-1
13. EXPLODED VIEWS AND SPARE PARTS LISTS.................................................13-1
14. OPTIONAL ACCESSORIES .................................................................................14-1
15. APPENDIX A .........................................................................................................15-1

1-1
INTRODUCTION
SM CKDDCI 1-A.1 GB
1. INTRODUCTION
1.1 General
The new DCI 72Z, DCI 80Z split unit range comprises the following RC (heat pump)
models:
• CKD 025
• CKD 030
1.2 Main Features
The DCI CKD series benefits from the most advanced technological innovations, namely:
DC inverter technolegy
R410a
High COP
Pre-Charged units up to the max’ allowing tubing distance
Networking system connectivity
A dry contract for presence detector or power shedding functions(configurable)
Cooling operation at outdoor temprature down to -10°C
Heating operation at outdoor temprature down to -15°C
Bended indoor coil with treated aluminum fins and coating for improved efficiency
Easy access to the interconnecting tubing and wiring connections
Automatic treated air sweep.
Low indoor and outdoor noise levels.
Easy installation and service.
1.3 Indoor Unit
The indoor unit is ceiling mounted, and can be easily fitted to residential and commercial applications
It includes:
A large diameter centrifugal fan, allowing low noise level operation
Motorized flaps
Bended indoor coil with hydrophilic aluminum fins.
Advanced electronic control boc assembly.
1.4 Control
The micro processor indoor controller, and an infrared remote control, supplied as standard,
provides complete operating function and programming.
For further details, please refer to the Operation/Instullation Manual.
1.5 Outdoor Unit
DCI outdoor units can be installed as floor or wall mounted units by using a wall supporting bracket.
The metal sheets are protected by anti- corrosion paint work allowing long life resistance. All
outdoor units are pre-charged. For further information please refer to the Product Data Sheet,
Chapter 2.
CONTENTS

1-2
INTRODUCTION
SM CKDDCI 1-A.1 GB
DCI 72Z
DCI 80Z
Outdoor Unit Feature
Feature DCI 72, 80
Display LED’s 4
Outdoor Fan Variable speed DC Inverter
M2L cable Port No
1.6 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Operation/Installation Manual.
1.7 Accessories
RCW Wall Mounted Remote Control
The RCW remote control is mounted on the wall, and controls the unit either as an infrared
remote control or as a wired controller. The wired controller can control up to 10 Indoor units with
the same program settings and adjustments.
For further details please refer to Optional Accessories, Chapter 15.
1.8 Inbox Documentation
Each unit includes its own installation and operation manuals.
1.9 Matching Table
OUTDOOR UNITS
INDOOR UNITS
MODEL REFR CKD025 CKD030 DNG 72 DNG 80 PXD 72 PXD 80
DCI72Z R410A √√√
DCI80Z R410A √√√
CONTENTS

2-1
PRODUCT DATA SHEET
SM CKDDCI 1-A.1 GB
2. PRODUCT DATA SHEET
2.1 CKD 025 / DCI 72Z
Model Indoor Unit CKD025 DCI
Model Outdoor Unit DCI 72Z
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (4) Btu/hr 24570(5120-27300) 27300(5120-30030)
kW 7.20(1.50-8.00) 8.00(1.50~8.80)
Power input (4) kW 2.39(0.60-2.75) 2.21(0.50~2.50)
EER (Cooling) or COP(Heating) (4) W/W 3.01 3.61
Energy efficiency class B A
Power supply
V 220-230
Ph Single
Hz 50
Rated current A 10.5 9.7
Power factor 0.97 0.97
Prated (IDU) W 140
Prated (IDU+ODU) W 3000
Starting current A 15
Circuit breaker rating A 20
INDOOR
Fan type & quantity Centifugal x 1
Fan speeds H/M/L RPM 710/650/570
Air flow (1) H/M/L m3/hr 1230/1120/980
External static pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 62/59/56
Sound pressure level (3) H/M/L dB(A) 50/47/45
Moisture removal l/hr 2.5
Condenstate drain tube I.D mm 32
Dimensions WxHxD mm 840x840x230
Net Weight kg 26
Package dimensions WxHxD mm 955x955x247
Packaged weight kg 34
Units per pallet units 8
Stacking height units 8
OUTDOOR
Refrigerant control EEV
Compressor type,model Two Rotary,Sanyo(Sheny) C-7RVN153H0W
Fan type & quantity Propeller(direct) x 1
Fan speeds H RPM 850
Air flow H m3/hr 3600
Sound power level H dB(A) 66
Sound pressure level (3) H dB(A) 56
Dimensions WxHxD mm 1040x864x412
Net Weight kg 64.5
Package dimensions WxHxD mm 1140x930x510
Packaged weight kg 72
Units per pallet Units 4
Stacking height units 2 levels
Refrigerant type R410A
Scharg kg(7.5m) 2.3kg
Additional charge 7.5m<Length≤20m:+0g; 20m<Length≤30m:
+300g
Connections between
units
Liquid line In.(mm) 3/8"(9.53)
Suction line In.(mm) 5/8"(15.88)
Max.tubing length m. 30
Max.height
difference m. 15
Operation control type Remote control
Heating elements (Option) kW
Others
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
(2) Airflow in ducted units; at nominal external static pressure.
(3) Sound power in ducted units is measured at air discharge.
(4) Sound pressure level measured at 1.0 meter distance from unit.
CONTENTS

2-2
PRODUCT DATA SHEET
SM CKDDCI 1-A.1 GB
2.2 CKD 030 / DCI 80Z
Model Indoor Unit CKD030 DCI
Model Outdoor Unit DCI 80 Z
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (4) Btu/hr 27280(6800~30000) 30690(5110~34100)
kW 8.0(2.0-8.8) 9.0(1.5~10.0)
Power input (4) kW 2.49(0.5-3.2) 2.49(0.5~3.1)
EER (Cooling) or COP(Heating) (4) W/W 3.21 3.61
Energy efficiency class A A
Power supply
V 220-230
Ph 1
Hz 50
Rated current A 11.1 11.1
Power factor 0.97 0.97
Prated (IDU) W 140
Prated (IDU+ODU) W 3200
Starting current A 15
Circuit breaker rating A 25
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds H/M/L RPM 610/570/540
Air flow (1) H/M/L m3/hr 1170/1080/990
External static pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 56/53/51
Sound pressure level (3) H/M/L dB(A) 44/42/40
Moisture removal l/hr 3
Condenstate drain tube I.D mm 32
Dimensions WxHxD mm 840x840x300
Net Weight kg 32
Package dimensions WxHxD mm 955x955x317
Packaged weight kg 40
Units per pallet units 6
Stacking height units 6 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Two Rotary,Sanyo(Sheny) C-7RVN153H0W
Fan type & quantity Propeller(direct) x 1
Fan speeds H RPM 850
Air flow H m3/hr 3600
Sound power level H dB(A) 69
Sound pressure level (3) H dB(A) 58
Dimensions WxHxD mm 1040x864x412
Net Weight kg 66
Package dimensions WxHxD mm 1140x930x510
Packaged weight kg 73.5
Units per pallet Units 4
Stacking height units 2 levels
Refrigerant type R410A
Standard charge kg(7.5m) 2.5
Additional charge 7.5m<Length≤20m:+0g; 20m<Length≤30m:
+250g
Connections between
units
Liquid line In.(mm) 3/8"(9.53)
Suction line In.(mm) 5/8"(15.88)
Max.tubing length m. Max.30
Max.height
difference m. Max.15
Operation control type Remote control
Heating elements (Option) kW
Others
(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
(2) Airflow in ducted units; at nominal external static pressure.
(3) Sound power in ducted units is measured at air discharge.
(4) Sound pressure level measured at 1.0 meter distance from unit.
CONTENTS

3-1
RATING CONDITIONS
SM CKDDCI 1-A.1 GB
3. RATING CONDITIONS
Standard conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and
EN 14511.
Cooling:
Indoor: 27oC DB 19oC WB
Outdoor: 35 oC DB
Heating:
Indoor: 20oC DB
Outdoor: 7oC DB 6oC WB
3.1 Operating Limits
Indoor Outdoor
Cooling Upper limit 32oC DB 23oC WB 46oC DB
Lower limit 21oC DB 15oC WB -10oC DB
Heating Upper limit 27oC DB 24oC DB 18oC WB
Lower limit 10oC DB -15oC DB -16oC WB
Voltage 1PH 198 – 264
3ph N/A
CONTENTS

4-1
OUTLINE DIMENSIONS
SM CKDDCI 1-A.1 GB
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: CKD025 / CKD030 DCI
Drain side Tubing side
780 (Hook-location)
840 (Body)
880 (Ceiling hole)
950 (Panel)
)noitacol-kooH(087
)ydoB(048 )elohgnilieC(088 )lenaP(059
Body
Hook
Ceiling Panel
C
Nut
CKD025: B=240mm
CKD030: B=310mm
CONTENTS

4-2
OUTLINE DIMENSIONS
SM CKDDCI 1-A.1 GB
4.2 Outdoor Unit: DCI 72Z, DCI 80Z
CONTENTS

5-1
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5. PERFORMANCE DATA & PRESSURE CURVES
5.1 CKD025 / DCI 72Z
5.1.1 Cooling Capacity (kW)
ID COIL ENTERING AIR DB/WB TEMPERATURE
[ºC]
OD COIL ENTERING AIR
DB TEMPERATURE [ºC] DATA 22/15 24/17 27/19 29/21 32/23
-10 - 20
(protection range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 7.09 7.51 7.93 8.34 8.76
SC 6.26 6.36 6.45 6.54 6.63
PI 1.81 1.85 1.89 1.93 1.97
30
TC 6.73 7.15 7.56 7.98 8.40
SC 6.02 6.11 6.20 6.30 6.39
PI 2.06 2.10 2.14 2.18 2.22
35
TC 6.36 6.78 7.20 7.62 8.04
SC 5.77 5.87 5.96 6.05 6.15
PI 2.31 2.35 2.39 2.43 2.47
40
TC 6.00 6.42 6.84 7.25 7.67
SC 5.53 5.62 5.72 5.81 5.90
PI 2.56 2.60 2.64 2.68 2.72
46
TC 5.56 5.98 6.40 6.82 7.24
SC 5.24 5.33 5.42 5.52 5.61
PI 2.86 2.90 2.94 2.98 3.02
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.1.2 Capacity Correction Factors (Cooling)
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENTS

5-2
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.1.3 Heating Capacity
ID COIL ENTERING AIR DB TEMPERATURE [°C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [°C]
DATA 15 20 25
-15/-16 TC 3.64 3.12 2.59
PI 1.55 1.66 1.77
-10/-12 TC 4.81 4.28 3.76
PI 1.75 1.86 1.97
-7/-8 TC 5.68 5.16 4.63
PI 1.90 2.01 2.12
-1/-2 TC 6.12 5.59 5.07
PI 1.97 2.08 2.19
2/1 TC 6.41 5.88 5.36
PI 2.02 2.13 2.24
7/6 TC 8.52 8.00 7.48
PI 2.10 2.21 2.32
10/9 TC 8.97 8.44 7.92
PI 2.14 2.25 2.36
15/12 TC 9.41 8.88 8.36
PI 2.18 2.29 2.40
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.1.4 Capacity Correction Factors (Heating)
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration
CONTENTS

5-3
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.1.5 Pressure Curves (Cooling – Technician Mode)
5.1.5.1 Cooling
550
650
750
850
950
1050
1150
10 15 20 25 30 35 40 45
Outdoor DB Temperature
Suction Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor
DB/WB
1400
1650
1900
2150
2400
2650
2900
3150
3400
3650
10 15 20 25 30 35 40 45
Outdoor DB Temperature
Discharge Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor
DB/WB
Suction Pressure VS.Outdoor Temp’
Dischange Pressure VS.Outdoor Temp’
CONTENTS

5-4
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.1.5.2 Heating
200
300
400
500
600
700
800
900
1000
1100
-15 -10 -5 0 5 10 15
Outdoor WB Temperature
Suction Pressure [kPa]
15
20
25
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
-15 -10 -5 0 5 10 15
Outdoor WB Temperature
Discharge Pressure [kPa]
15
20
25
Indoor DB
Suction Pressure VS.Outdoor Temp’
Dischange Pressure VS.Outdoor Temp’
CONTENTS

5-5
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.2 CKD030 / DCI 80Z
5.2.1 Cooling Capacity (kW)
ID COIL ENTERING AIR DB/WB TEMPERATURE [C]
OD COIL
ENTERING AIR DB
TEMPERATURE [C]
DATA 22/15 24/17 27/19 29/21 32/23
-10 – 20
(protection range)
TC 80 - 110 % of nominal
SC 80 - 105 % of nominal
PI 25 - 50 % of nominal
25
TC 7.88 8.34 8.81 9.27 9.74
SC 6.60 6.70 6.79 6.89 6.99
PI 1.88 1.92 1.97 2.01 2.05
30
TC 7.48 7.94 8.40 8.87 9.33
SC 6.34 6.44 6.54 6.64 6.73
PI 2.14 2.19 2.23 2.27 2.31
35
TC 7.07 7.54 8.00 8.46 8.93
SC 6.08 6.18 6.28 6.38 6.48
PI 2.41 2.45 2.49 2.53 2.57
40
TC 6.67 7.13 7.60 8.06 8.52
SC 5.83 5.92 6.02 6.12 6.22
PI 2.67 2.71 2.75 2.79 2.84
46
TC 6.18 6.65 7.11 7.58 8.04
SC 5.52 5.62 5.71 5.81 5.91
PI 2.98 3.02 3.07 3.11 3.15
LEGEND
TC – Total Cooling Capacity, kW
SC – Sensible Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.2.2 Capacity Correction Factors (Cooling)
Cooling Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
20 25 30 35 40 45
Outdoor Temperature [deg C]
Capacity Ratio
CONTENTS

5-6
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.2.3 Heating Capacity
ID COIL ENTERING AIR DB TEMPERATURE [°C]
OD COIL ENTERING
AIR DB/WB
TEMPERATURE [°C]
DATA 15 20 25
-15/-16 TC 4.10 3.51 2.92
PI 1.74 1.87 1.99
-10/-12 TC 5.41 4.82 4.23
PI 1.97 2.09 2.22
-7/-8 TC 6.39 5.80 5.21
PI 2.14 2.26 2.39
-1/-2 TC 6.88 6.29 5.70
PI 2.22 2.35 2.47
2/1 TC 7.21 6.62 6.03
PI 2.28 2.40 2.53
7/6 TC 9.59 9.00 8.41
PI 2.37 2.49 2.61
10/9 TC 10.09 9.50 8.91
PI 2.41 2.54 2.66
15/12 TC 10.58 9.99 9.40
PI 2.46 2.58 2.71
15-24 TC 85 - 105 % of nominal
(Protection Range) PI 80 - 120 % of nominal
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (oC)
DB – Dry Bulb Temp., (oC)
ID – Indoor
OD – Outdoor
5.2.4 Capacity Correction Factors (Heating)
Heating Capacity Ratio Vs. Outdoor Temperature
0.50
0.60
0.70
0.80
0.90
1.00
1.10
1.20
-15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Ration
CONTENTS

5-7
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.2.5 Pressure Curves (Cooling – Technician Mode)
5.2.5.1 Cooling
600
700
800
900
1000
1100
1200
10 15 20 25 30 35 40 45
Outdoor DB Temperature
Suction Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor
DB/WB
1400
1650
1900
2150
2400
2650
2900
3150
3400
3650
3900
10 15 20 25 30 35 40 45
Outdoor DB Temperature
Discharge Pressure [kPa]
22/15
24/17
27/19
29/21
32/23
Indoor
DB/WB
Suction Pressure VS.Outdoor Temp’
Dischange Pressure VS.Outdoor Temp’
CONTENTS

5-8
PERFORMANCE DATA & PRESSURE CURVES
SM CKDDCI 1-A.1 GB
5.2.5.2 Heating
200
300
400
500
600
700
800
900
1000
-15 -10 -5 0 5 10 15
Outdoor WB Temperature
Suction Pressure [kPa]
15
20
25
1450
1700
1950
2200
2450
2700
2950
3200
3450
3700
-15 -10 -5 0 5 10 15
Outdoor WB Temperature
Discharge Pressure [kPa]
15
20
25
Indoor DB
Suction Pressure VS.Outdoor Temp’
Dischange Pressure VS.Outdoor Temp’
CONTENTS

6-1
SOUND LEVEL CHARACTERISTICS
SM CKDDCI 1-A.1 GB
6. SOUND LEVEL CHARACTERISTICS
6.1 Indoor Units Test Scheme
6.2 Sound Pressure Level Spectrum (Measured as Figure 1)
CKD025 DCI CKD030 DCI
FAN SPEED LINE
HI
ME
LO
Figure 1
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
BAND CENTER FREQUENCIES, Hz
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BAR
CONTENTS

6-2
SOUND LEVEL CHARACTERISTICS
SM CKDDCI 1-A.1 GB
6.3 Outdoor Units
MODEL SPL dB(A) SPW dB(A)
Indoor Outdoor Cooling/Heating Cooling/Heating
CKD025 DCI DCI 72Z 52/55 62/63
CKD030 DCI DCI 80Z 58/58 69/69
6.4 Sound Pressure Level Spectrum (Measured as Figure 2)
DCI 72Z Cooling DCI 72Z Heating
Figure 2
1.0 m
Center
for Unit
CONTENTS