Airwell YBD018 DCI User manual

SM YBD018 1-A.1 GB
Version: 1
YBD018 DCI
Indoor Units Outdoor Units
Delta 50 DCI
YBD018 DCI
LEX/HAD 50DCI
DNG 50 DCI
SLS 50 DCI
CN 50 DCI
PXD 50 DCI
DECEMBER– 2010
REFRIGERANT
R410A HEAT PUMP

A
LIST OF EFFECTIVE PAGES
SM YBD018 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 ........December 2010
Total number of pages in this publication is 148 consisting of the following:
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Page
No.
Revision
No. #
Title .......................1
A ...........................1
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1-1 - 1-3 ................1
2-1 - 2-21 ..............1
3-1 ........................1
4-1 - 4-4 ................1
5-1 - 5-22 ..............1
6-1 - 6-2 ................1
7-1 - 7-9 ................1
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9-1 - 9-7 ................1
10-1-10-3 ..............1
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13-1-13-6 ..............1
14-1-14-11 ............1
15-1-15-44 ............1
16-1 ......................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.

i
TABLE OF CONTENTS
SM YBD018 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 (TO BE COMPLETED)...........................6-1
7. ELECTRICAL DATA..............................................................................................7-1
8. WIRING DIAGRAMS .............................................................................................8-1
9. ELECTRICAL CONNECTIONS.............................................................................9-1
10. REFRIGERATION DIAGRAMS.............................................................................10-1
11. TUBING CONNECTIONS......................................................................................11-1
12. CONTROL SYSTEM .............................................................................................12-1
13. TROUBLESHOOTING ..........................................................................................13-1
14. EXPLODED VIEWS AND SPARE PARTS LISTS.................................................14-1
15. APPENDIX A (TO BE COMPLETED) ..................................................................15-1

1-1
INTRODUCTION
SM YBD018 1-A.1 GB
1. INTRODUCTION
1.1 General
The ODU YBD018 product is based on finished DCI DCR 50. By using advanced variable AC
fan control technology and DC compressor sine wave torque control technology, this product are
very suitable for most residential and comercial uses. The indoors can be Airwell wall mounted
type and duct type and floor type DCI indoor units of 5.0kW cooling capaciy.
Delta 50 DCI
•
LEX/HAD 50 DCI•
DNG 50 DCI•
LSN 50 DCI•
CN 50 DCI•
PXD 50 DCI•
1.2 Main Features
The unit benefits from the most advanced technological innovations, namely:
DC inverter technology.
•
R410A models•
Microprocessor control.•
High COP,Energy efficiency class A in cooling/heating mode•
Torque control for compressor running in lower Freqency but with low vibration•
and little sound.
Precharged refrigerant up to the max allowing tubing distance of 20m.
•
Up to 10 m vertical high between indoor and outdoor units•
Motorized flaps(Wall mounted indoor units)•
Cooling operation at outdoor temperature down to -10ºC.•
Heating operation at outdoor temperature down to -15ºC.•
Easy installation and service.•
HMI- 3*7 Segments and IR receiver on outdoor controller can realize following•
functions controlled by RC-8
Technicion Test◊
Diagnostics◊
Setup◊

1-2
INTRODUCTION
SM YBD018 1-A.1 GB
1.3 Indoor Unit
The indoor unit is wall mounted, and can be easily fitted to many types of residential and commercials
applications.
Feature Delta DCI LEX/HAD DCI DNG DCI SLS DCI CN DCI PXD DCI
Display LED LCD LED LED LED LED
Ionizer NO YES NO NO NO NO
ESF NO YES NO NO YES NO
Indoor fan motor Variable speed
(PG)
Variable speed
(PG)
Variable
speed (PG)
Variable
speed (PG) DC Variable speed (PG)
Horizontal motorized
louver YES YES NO NO YES YES
Vertical motorized
louver NO YES NO NO NO NO
Heating element NO NO NO NO NO NO
M2L Cable port YES YES YES YES YES YES
Dry contact
Presence
detector
or (jumper
selected)
power
shedding
1.4 Control
The microprocessor indoor controller, and an infrared remote control, supplied as standard, provide complete
operating function and programming.
Remote control RC4 RC7
For further details please refer to the Operation Manual, Appendix A.
Remote control RC 8:
Execpt the same nominal function as RC7, it also can be used to realize the function of diagnostics tests for
the technician convenient use. (Both select SPT+ and SPT- to enter or escape the diagnostic mode)
For further details please refer to the Control system.
1.5 Outdoor Unit
The 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.
It includes :
Compressor mounted in a soundproofed compartment :
•
Axial fan.•
Outdoor coil with hydrophilic louver fins for RC units.•
Outlet air fan grill.•
Interconnecting wiring terminal block.•
1.6 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual.
1.7 Inbox Documentation
Each unit is supplied with its own installation, operation and remote control manuals.

1-3
INTRODUCTION
SM YBD018 1-A.1 GB
1.10 Matching Table
1.10.1 R410A
OUTDOOR
UNITS INDOOR UNITS
Delta 50
DCI
LEX/HAD 50
DCI
DNG 50
DCI
SLS 50
DCI CN 50 DCI PXD 50 DCI
YBD018 DCI √√√√√√

2-1
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2. PRODUCT DATA SHEET
2.1 Delta 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit.
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Others
Operation control type Remote control
Heating elements (Option)
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
SWDQGDUGchargH1.26
Additional charge No need
Stacking height 3 levels
Refrigerant type R410A
Packaged weight 41
Units per pallet 9 units per pallet
Net Weight 38
Package dimensions 945x655x395
Sound pressure level(3) 53
Dimensions 795x610x290
910
Air flow 2160
Sound power level 63
Stacking height 8 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds
Packaged weight 14
Units per pallet 24 units per pallet
Net Weight 11
Package dimensions 960x360x270
Condenstate drain tube I.D 16
Dimensions 900x295x205
56/54/47
Sound pressure level(3) 44/41/34
Moisture removal 2
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds 1230/1100/900
Air flow (1) 720/620/480
External static pressure 0
Sound power level (2)
Starting current 10.5
Circuit breaker rating 20
Prated (IDU) 35
Prated (IDU+ODU) 2400
Rated current 6.6 6.6
Power factor 0.97 0.97
Energy efficiency class A A
Power supply
220-240
1
50/60
Power input (4) 1.47(0.4-2.0) 1.47(0.36-2.1)
EER (Cooling) or COP(Heating) (4) 3.40 3.61
Capacity (4) 17060(5120-19790) 18080(4440-22520)
5.0(1.5-5.8) 5.3(1.3-6.6)
Installation Method of Pipe Flared
Characteristics Cooling Heating
Model Indoor Unit DELTA 50 DCI
Model Outdoor Unit YBD 018

2-2
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2.2 LEX 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit.
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Model Indoor Unit LEX 50 DCI
Model Outdoor Unit YBD 018
Installation Method of Pipe Flared
Characteristics Cooling Heating
Capacity (4) 17060(5120-20470) 19110(4440-23200)
5.0(1.5-6.0) 5.6(1.3-6.8)
Power input (4) 1.37(0.4-2.0) 1.46(0.35-2.0)
EER (Cooling) or COP(Heating) (4) 3.65 3.84
Energy efficiency class A A
Power supply
220-240
1
50/60
Rated current 6.1 6.5
Power factor 0.97 0.97
Prated (IDU) 56
Prated (IDU+ODU) 2400
Starting current 10.5
Circuit breaker rating 20
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds 1200/1050/900
Air flow (1) 850/700/550
External static pressure 0
Sound power level (2) 55/51/47
Sound pressure level(3) 43/39/34
Moisture removal 2
Condenstate drain tube I.D 16
Dimensions 1060x295x221
Net Weight 15
Package dimensions 1125x360x295
Packaged weight 18
Units per pallet 14 units per pallet
Stacking height 7 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds 910
Air flow 2160
Sound power level 63
Sound pressure level(3) 53
Dimensions 795x610x290
Net Weight 38
Package dimensions 945x655x395
Packaged weight 41
Units per pallet 9 units per pallet
Stacking height 3 levels
Refrigerant type R410A
SWDQGDUGchargH1.26
Additional charge No need
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
Operation control type Remote control
Heating elements (Option)
Others

2-3
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2.3 HAD 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit..
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
Hm3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Others
Operation control type Remote control
Heating elements (Option)
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
SWDQGDUGchargH1.26
Additional charge No need
Stacking height 3 levels
Refrigerant type R410A
Packaged weight 41
Units per pallet 9 units per pallet
Net Weight 38
Package dimensions 945x655x395
Sound pressure level(3) 53
Dimensions 795x610x290
910
Air flow 2160
Sound power level 63
Stacking height 7 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds
Packaged weight 18
Units per pallet 14 units per pallet
Net Weight 15
Package dimensions 1125x360x295
Condenstate drain tube I.D 16
Dimensions 1060x295x221
58/54/50
Sound pressure level(3) 44/39/34
Moisture removal 2
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds 1200/1050/900
Air flow (1) 850/700/550
External static pressure 0
Sound power level (2)
Starting current 10.5
Circuit breaker rating 20
Prated (IDU) 56
Prated (IDU+ODU) 2400
Rated current 6.1 6.5
Power factor 0.97 0.97
Energy efficiency class A A
Power supply
220-240
1
50/60
Power input (4) 1.37(0.4-2.0) 1.46(0.35-2.0)
EER (Cooling) or COP(Heating) (4) 3.65 3.84
Capacity (4) 17060(5120-20470) 19110(4440-23200)
5.0(1.5-6.0) 5.6(1.3-6.8)
Installation Method of Pipe Flared
Characteristics Cooling Heating
Model Indoor Unit HAD 50 DCI
Model Outdoor Unit YBD 018

2-4
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2.4 CN 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit.
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
Hm3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Model Indoor Unit CN 50 DCI
Model Outdoor Unit YBD 018
Installation Method of Pipe Flared
Characteristics Cooling Heating
Capacity (4) 17060(5120-19790) 19110(4440-23200)
5.0(1.5-5.8) 5.6(1.3-6.8)
Power input (4) 1.51(0.4-2.0) 1.53(0.34-2.0)
EER (Cooling) or COP(Heating) (4) 3.31 3.66
Energy efficiency class A A
Power supply
220-240
1
50/60
Rated current 6.8 6.9
Power factor 0.97 0.97
Prated (IDU) 80
Prated (IDU+ODU) 2400
Starting current 10.5
Circuit breaker rating 20
INDOOR
Fan type & quantity Centrifugal x 1
Fan speeds 680/620/550
Air flow (1) 620/560/500
External static pressure 0
Sound power level (2) 54
Sound pressure level(3) 36/33/30
Moisture removal 2
Condenstate drain tube I.D 20
Dimensions 575X575X270(625X625X40/725X725X40)
Net Weight 15.2(2.2/2.7)
Package dimensions 681X681X348(700X700X103/800X800X103)
Packaged weight 18.7(3.4/4.2)
Units per pallet 12 units per pallet
Stacking height 6 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds 910
Air flow 2160
Sound power level 63
Sound pressure level(3) 53
Dimensions 795x610x290
Net Weight 38
Package dimensions 945x655x395
Packaged weight 41
Units per pallet 9 units per pallet
Stacking height 3 levels
Refrigerant type R410A
SWDQGDUGchargH1.26
Additional charge No need
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
Operation control type Remote control
Heating elements (Option)
Others

2-5
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2.5 PXD 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit.
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
H m3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Model Indoor Unit PXD 50 DCI
Model Outdoor Unit YBD 018
Installation Method of Pipe Flared
Characteristics Cooling Heating
Capacity (4) 17060(5120-19790) 19110(4440-22180)
5.0(1.5-5.8) 5.6(1.3-6.5)
Power input (4) 1.51(0.4-2.0) 1.59(0.36-2.0)
EER (Cooling) or COP(Heating) (4) 3.31 3.52
Energy efficiency class A B
Power supply
220-240
1
50/60
Rated current 6.8 7.1
Power factor 0.97 0.97
Prated (IDU) 104
Prated (IDU+ODU) 2400
Starting current 10.5
Circuit breaker rating 20
INDOOR
Fan type & quantity Centrifugal x 2
Fan speeds 1050/950/700
Air flow (1) 870/750/600
External static pressure 0
Sound power level (2) 65/60/53
Sound pressure level(3) 51/48/40
Moisture removal 2
Condenstate drain tube I.D 16
Dimensions 1200x630x190
Net Weight 30
Package dimensions 1300x726x273
Packaged weight 35
Units per pallet 7 units per pallet
Stacking height 7 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds 910
Air flow 2160
Sound power level 63
Sound pressure level(3) 53
Dimensions 795x610x290
Net Weight 38
Package dimensions 945x655x395
Packaged weight 41
Units per pallet 9 units per pallet
Stacking height 3 levels
Refrigerant type R410A
SWDQGDUGchargH1.26
Additional charge No need
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
Operation control type Remote control
Heating elements (Option)
Others

2-6
PRODUCT DATA SHEET
SM YBD018 1-A.1 GB
2.6 SLS 50 DCI / YBD018
(1)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).
(2)Airflow without external static pressure.
(3)Sound power in ducted units is measured at air discharge.
(4)Sound pressure level measured at 1-meter distance from unit.
Units
Btu/hr
kW
kW
W/W
V
Ph
Hz
A
W
W
A
A
H/M/L RPM
H/M/L m3/hr
Min Pa
H/M/L dB(A)
H/M/L dB(A)
l/hr
mm
WxHxD mm
kg
WxHxD mm
kg
units
units
HRPM
Hm3/hr
H dB(A)
H dB(A)
WxHxD mm
kg
WxHxD mm
kg
Units
units
kg(7.5m)
In.(mm)
In.(mm)
m.
m.
kW
Model Indoor Unit SLS 50 DCI
Model Outdoor Unit YBD 018
Installation Method of Pipe Ducted
Characteristics Cooling Heating
Capacity (4) 17060(5120-19790) 19110(4440-23200)
5.0(1.5-5.8) 5.6(1.3-6.8)
Power input (4) 1.51(0.4-2.0) 1.55(0.34-2.0)
EER (Cooling) or COP(Heating) (4) 3.31 3.61
Energy efficiency class A A
Power supply
220-240
1
50/60
Rated current 6.8 6.9
Power factor 0.97 0.97
Prated (IDU)
Prated (IDU+ODU) 2400
Starting current 10.5
Circuit breaker rating 20
INDOOR
Fan type & quantity Centrifugal x 2
Fan speeds 1100/980/860
Air flow (1) 710/600/540
External static pressure 0
Sound power level (2) 54/51/48
Sound pressure level(3) 35/32/29
Moisture removal 1.5
Condenstate drain tube I.D 19
Dimensions 750x630x200
Net Weight 30
Package dimensions 885x695x226
Packaged weight 24
Units per pallet 14 units per pallet
Stacking height 7 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS132ZAD21
Fan type & quantity Propeller(direct) x 1
Fan speeds 910
Air flow 2160
Sound power level 63
Sound pressure level(3) 53
Dimensions 795x610x290
Net Weight 38
Package dimensions 945x655x395
Packaged weight 41
Units per pallet 9 units per pallet
Stacking height 3 levels
Refrigerant type R410A
SWDQGDUGchargH1.26
Additional charge No need
Connections
between units
Liquid line 1/4"(6.35)
Suction line 1/2"(12.7)
Max.tubing length Max. 20
Max.height difference Max. 10
Operation control type Remote control
Heating elements (Option)
Others

3-1
RATING CONDITIONS
SM YBD018 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 1-PH 50/60Hz 198 – 264 V

4-1
OUTLINE DIMENSIONS
SM YBD018 1-A.1 GB
4. OUTLINE DIMENSIONS
4.1 Indoor Unit: DELTA 50 DCI
4.2 Indoor Unit: LEX 50 DCI
4.3 Indoor Unit: HAD 50 DCI
900
295
205
221
295
1060



&

4-2
OUTLINE DIMENSIONS
SM YBD018 1-A.1 GB
4.4 Indoor Unit: PXD 50 DCI
4.5 Indoor Unit: CN 50 DCI



270
2
9
281
Ø100
Ø150
77
40
625 or 725
625 or 725
575
575

4-3
OUTLINE DIMENSIONS
SM YBD018 1-A.1 GB
4.6 Outdoor Unit: YBD018
"*3*/5",&
"*3065-&5







<%'

5-1
PERFORMANCE DATA & PRESSURE CURVES
SM YBD018 1-A.1 GB
5. PERFORMANCE DATA & PRESSURE CURVES
5.1 Delta 50 DCI
5.1.1 Cooling Capacity (kW)
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
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature DB [deg C]
Capacity Factor
Data Entering Air WB/DB ID Coil(oC)
15/21 17/24 19/27 21/29 23/32
TC 5.10 5.40 5.65 5.90 6.10
15 SC 3.32 3.52 3.71 3.62 3.68
PI 1.04 1.05 1.05 1.05 1.06
TC 5.05 5.35 5.60 5.85 6.05
20 SC 3.60 3.83 4.04 3.93 4.01
PI 1.13 1.13 1.14 1.15 1.15
TC 4.85 5.20 5.50 5.75 5.95
25 SC 3.22 3.45 3.65 3.59 3.68
PI 1.22 1.23 1.24 1.25 1.25
TC 4.55 4.90 5.30 5.50 5.70
30 SC 3.06 3.31 3.57 3.50 3.64
PI 1.32 1.33 1.35 1.36 1.37
TC 4.20 4.55 5.00 5.25 5.45
35 SC 2.89 3.14 3.43 3.39 3.53
PI 1.42 1.45 1.47 1.48 1.49
TC 3.80 4.15 4.60 4.85 5.05
40 SC 2.68 2.95 3.24 3.19 3.35
PI 1.53 1.56 1.59 1.60 1.61
TC 3.30 3.65 4.10 4.35 4.55
46 SC 2.44 2.70 3.04 2.98 3.13
PI 1.68 1.71 1.74 1.76 1.78
Entering Air DB
OD Coil(oC)

5-2
PERFORMANCE DATA & PRESSURE CURVES
SM YBD018 1-A.1 GB
5.1.3 Heating
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
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
-20 -15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Factor
ENTERING AIR DB ID COIL(Oc)
15 20 25
ENTERING WB
OD COIL(oC) TH Pl TH Pl TH Pl
-10 2.78 1.18 2.68 1.25 2.57 1.32
-7 2.99 1.21 2.89 1.27 2.78 1.34
-2 3.18 1.22 3.07 1.29 2.97 1.37
2 3.87 1.28 3.71 1.36 3.55 1.44
6 5.46 1.37 5.30 1.47 5.11 1.56
10 5.94 1.45 5.78 1.55 5.62 1.66
15 6.41 1.51 6.25 1.63 6.10 1.73
20 6.76 1.56 6.60 1.69 6.41 1.82

5-3
PERFORMANCE DATA & PRESSURE CURVES
SM YBD018 1-A.1 GB
5.2 LEX 50 DCI
5.2.1 Cooling Capacity (kW)
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
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
20 25 30 35 40 45
Outdoor Temperature DB [deg C]
Capacity Factor
Data Entering Air WB/DB ID Coil(oC)
15/21 17/24 19/27 21/29 23/32
TC 5.10 5.40 5.65 5.90 6.10
15 SC 3.69 3.92 4.13 4.03 4.10
PI 0.97 0.97 0.98 0.98 0.98
TC 5.05 5.35 5.60 5.85 6.05
20 SC 3.60 3.83 4.04 3.93 4.01
PI 1.05 1.06 1.06 1.07 1.07
TC 4.85 5.20 5.50 5.75 5.95
25 SC 3.59 3.85 4.07 3.99 4.10
PI 1.13 1.14 1.15 1.16 1.17
TC 4.55 4.90 5.30 5.50 5.70
30 SC 3.41 3.68 3.98 3.90 4.06
PI 1.23 1.24 1.26 1.27 1.27
TC 4.20 4.55 5.00 5.25 5.45
35 SC 3.21 3.49 3.82 3.78 3.93
PI 1.33 1.35 1.37 1.38 1.39
TC 3.80 4.15 4.60 4.85 5.05
40 SC 2.98 3.28 3.61 3.56 3.73
PI 1.43 1.45 1.48 1.49 1.50
TC 3.30 3.65 4.10 4.35 4.55
46 SC 2.71 3.01 3.39 3.32 3.48
PI 1.57 1.59 1.62 1.64 1.66
Entering Air DB
OD Coil(oC)

5-4
PERFORMANCE DATA & PRESSURE CURVES
SM YBD018 1-A.1 GB
5.2.3 Heating
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
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
-20 -15 -10 -5 0 5 10 15
Outdoor WB Temperature [deg C]
Capacity Factor
ENTERING AIR DB ID COIL(Oc)
15 20 25
ENTERING WB
OD COIL(oC) TH Pl TH Pl TH Pl
-10 2.94 1.17 2.83 1.24 2.72 1.31
-7 3.16 1.20 3.05 1.26 2.94 1.33
-2 3.36 1.21 3.25 1.28 3.14 1.36
2 4.09 1.27 3.92 1.35 3.75 1.43
6 5.77 1.37 5.60 1.46 5.40 1.55
10 6.27 1.44 6.10 1.54 5.94 1.65
15 6.78 1.50 6.61 1.62 6.44 1.72
20 7.14 1.55 6.97 1.68 6.78 1.81