Airwell Delta 25 User manual

DELTA 60Hz Series
Indoor Units Outdoor Units
Delta 25 DCR 25
Delta 35 DCR 35
Delta 50 DCR 50
REFRIGERANT
AUGUST – 2009
REFRIGERAN
T
REFRIGERANT
R410A HEAT PUMP
SM DEL60Hz 1-E.0 GB

A
LIST OF EFFECTIVE PAGES
SM DEL60Hz 1-E.0 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 ........ August 2009
Total number of pages in this publication is 70 consisting of the following:
Page
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4-1 - 4-3 ................ 0
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Appendix -A ...........0
•Zero in this column indicates an original page.

i
TABLE OF CONTENTS
SM DEL60Hz 1-E.0 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. APPENDIX A .........................................................................................................14-1

1-1
INTRODUCTION
SM DEL60Hz 1-E.0 GB
1. INTRODUCTION
1.1 General
The new outdoor DCR split wall mounted range has expanded, comprising three RC
(heat pump) models, as follows:
DCR 25 60Hz
•
DCR 35 60Hz•
DCR 50 60Hz•
The indoor units are available as LED display types only, featuring esthetic design,
compact dimensions, and low noise operation.
Delta 25 DCI 60Hz
•
Delta 35 DCI 60Hz•
Delta 50 DCI 60Hz•
1.2 Main Features
The DCR series benefits from the most advanced technological innovations, namely:
DC inverter technology.
•
R410A models•
Microprocessor control.•
Infrared remote control with LED display•
I Indoor large diameter cross flow fan, allowing low operation sound level•
Bended indoor coil with treated aluminum fins and coating for improved•
efficiencyNetworking system connectivity.
High COP, Energy efficiency class A in cooling/heating mode for all models
•
Torque control for compressor running in lower Freqency but with low vibration and•
little sound.
Precharged refrigerant up to the max allowing tubing distance.
•
Both mono spilt and multi split are available•
Self diagnostic LED lighting for ease of maintenance•
Cooling operation at outdoor temperature down to -10ºC.•
Heating operation at outdoor temperature down to -15ºC.•
Easy installation and service.•

1-2
INTRODUCTION
SM DEL60Hz 1-E.0 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
Display LED
Ionizer NO
ESF NO
Indoor fan motor Variable speed (PG)
Horizontal motorized louver YES
Vertical motorized louver NO
Heating element NO
M2L Cable port YES
Dry contact Presence detector or (jumper selected)
power shedding
1.4 Filtration
The Delta DCI series presents several types of air filters:
●Easily accessible, and re-usable pre-filters (mesh).
1.5 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, provide complete operating function and programming.
Remote Control RC7
For further details please refer to the Operation Manual, Appendix A.
1.6 Outdoor Unit
The DCR 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.•
DCR 25 R410A 60Hz•
DCR 35 R410A 60Hz•
DCR 50 R410A 60Hz•
1.7 Tubing Connections
Flare type interconnecting tubing to be produced on site.
For further details please refer to the Installation Manual.

1-3
INTRODUCTION
SM DEL60Hz 1-E.0 GB
1.8 Inbox Documentation
Each unit is supplied with its own installation and operation manuals, one simly remote
control manual.
1.9 Matching Table
INDOOR UNIT
OUTDOOR UNITS
MODEL REFR” Delta 25 Delta 35 Delta 50
DCR 25 R410A √
DCR 35 R410A √
DCR 50 R410A √

2-1
PRODUCT DATA SHEET
SM DEL60Hz 1-E.0 GB
2. PRODUCT DATA SHEET
2.1 Delta 25 DCI / DCR 25 60Hz R410A
Model Indoor Unit DELTA 25 DCI
Model Outdoor Unit DCR 25 R410A
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (4) Btu/hr 8530(3070-10920) 8530(3410-12620)
kW 2.5(0.9-3.2) 2.5(1.0-3.7)
Power input (4) kW 0.73(0.35-1.15) 0.69(0.35-1.15)
EER (Cooling) or COP(Heating) (4) W/W 3.41 3.61
Energy efficiency class A A
Power supply
V 220-240
Ph 1
Hz 60
Rated current A 3.3 3.1
Power factor 0.97 0.97
Prated (IDU) W 25
Prated (IDU+ODU) W 1300
Starting current A 10.5
Circuit breaker rating A 10
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds H/M/L RPM 1200/1050/850
Air flow (1) H/M/L m3/hr 420/350/270
External static pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 54/50/47
Sound pressure level(3) H/M/L dB(A) 39/35/32
Moisture removal l/hr 1.0
Condenstate drain tube I.D mm 16
Dimensions WxHxD mm 680x250x185
Net Weight kg 7
Package dimensions WxHxD mm 740x310x248
Packaged weight kg 10
Units per pallet units 32 units per pallet
Stacking height units 8 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS092XDJ01
Fan type & quantity Propeller(direct) x 1
Fan speeds H RPM 830
Air flow H m3/hr 1460
Sound power level H dB(A) 64
Sound pressure level(3) H dB(A) 54
Dimensions WxHxD mm 760x545x245
Net Weight kg 36
Package dimensions WxHxD mm 880x610x310
Packaged weight kg 39
Units per pallet Units 12 units per pallet
Stacking height units 3 levels
Refrigerant type R410A
Scharg kg(7.5m) 0.85
Additional charge No need
Connections between units
Liquid line In.(mm) 1/4"(6.35)
Suction line In.(mm) 3/8"(9.53)
Max.tubing length m. Max.15
Max.height
difference m. Max. 10
Operation control type Remote control
Heating elements (Option) kW
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).

2-2
PRODUCT DATA SHEET
SM DEL60Hz 1-E.0 GB
2.2 Delta 25 DCI / DCR 35 60Hz R410A
Model Indoor Unit DELTA 35 DCI
Model Outdoor Unit DCR 35 R410A
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (4) Btu/hr 11940(3410-13650) 11940(4090-15010)
kW 3.5(1.0-4.0) 3.5(1.2-4.4)
Power input (4) kW 1.03(0.30-1.25) 0.96(0.36-1.25)
EER (Cooling) or COP(Heating) (4) W/W 3.40 3.64
Energy efficiency class A A
Power supply
V 220-240
Ph 1
Hz 60
Rated current A 4.6 4.3
Power factor 0.97 0.97
Prated (IDU) W 30
Prated (IDU+ODU) W 1500
Starting current A 10.5
Circuit breaker rating A 15
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds H/M/L RPM 1200/1000/850
Air flow (1) H/M/L m3/hr 550/450/350
External static pressure Min Pa 0
Sound power level (2) H/M/L dB(A) 56/50/46
Sound pressure level(3) H/M/L dB(A) 39/33/29
Moisture removal l/hr 1.5
Condenstate drain tube I.D mm 16
Dimensions WxHxD mm 840x250x185
Net Weight kg 8
Package dimensions WxHxD mm 900x310x248
Packaged weight kg 11
Units per pallet units 32 units per pallet
Stacking height units 8 levels
OUTDOOR
Refrigerant control EEV
Compressor type,model Rotary,Panasonic 5RS102XAB
Fan type & quantity Propeller(direct) x 1
Fan speeds H RPM 830
Air flow H m3/hr 1460
Sound power level H dB(A) 65
Sound pressure level(3) H dB(A) 55
Dimensions WxHxD mm 760x545x245
Net Weight kg 37
Package dimensions WxHxD mm 880x610x310
Packaged weight kg 40
Units per pallet Units 12 units per pallet
Stacking height units 3 levels
Refrigerant type R410A
Scharg kg(7.5m) 1.0
Additional charge No need
Connections between units
Liquid line In.(mm) 1/4"(6.35)
Suction line In.(mm) 3/8"(9.53)
Max.tubing
length m. Max.15
Max.height
difference m. Max. 10
Operation control type Remote control
Heating elements (Option) kW No
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).

2-3
PRODUCT DATA SHEET
SM DEL60Hz 1-E.0 GB
2.3 Delta 50 DCI / DCR 50 60Hz R410A
Model Indoor Unit DELTA 50 DCI
Model Outdoor Unit DCR 50 R410A
Installation Method of Pipe Flared
Characteristics Units Cooling Heating
Capacity (1) Btu/hr 17060(4780-18770) 18080(5460-20130)
kW 5.0(1.4-5.5) 5.3(1.6-5.9)
Power input (1) kW 1.56 1.55
EER (Cooling) or COP(Heating) (1) W/W 3.21 3.42
Energy efficiency class A B
Power supply V/Ph/Hz 220-240V/Single/60Hz
Rated current A 7.0 6.9
Starting current A 10.5
Circuit breaker rating A 20
INDOOR
Fan type & quantity Crossflow x 1
Fan speeds H/M/L RPM 1230/1100/900
Air flow (2) H/M/L m3/hr 720/620/480
External static pressure Min-Max Pa 0
Sound power level (3) H/M/L dB(A) 56/54/47
Sound pressure level (4) H/M/L dB(A) 44/41/34
Moisture removal l/hr 2
Condensate drain tube I.D mm 16
Dimensions WxHxD mm 900x205x295
Weight kg 11
Package dimensions WxHxD mm 960x270x360
Packaged weight kg 14
Units per pallet units 24 units per pallet
Stacking height units 8 levels
OUTDOOR
Refrigerant control EEV
Compressor type, model Scroll, PANASONIC 5CS130XCC03
Fan type & quantity Propeller(direct) x 1
Fan speeds H/L RPM 920
Air flow H/L m3/hr 2160
Sound power level H/L dB(A) 63
Sound pressure level (4) H/L dB(A) 53
Dimensions WxHxD mm 795x290x610
Weight kg 38
Package dimensions WxHxD mm 945x395x655
Packaged weight kg 41
Units per pallet Units 9 units per pallet
Stacking height units 3 levels
Refrigerant type R410A
Refrigerant chargless distance kg/m 1.26kg/7.5m
Additional charge per 1 meter g/m No need
Connections between
units
Liquid line In.(mm) 1/4"(6.35)
Suction line In.(mm) 1/2"(12.7)
Max.tubing length m. Max.15
Max.height difference m. Max. 10
Operation control type Remote control
Heating elements kW
Others
(1)Airflow in ducted units; at nominal external static pressure.
(2)Sound power in ducted units is measured at air discharge.
(3)Sound pressure level measured at 1-meter distance from unit.
(4)Rating conditions in accordance to ISO 5151 and ISO 13253 (for ducted units).

3-1
RATING CONDITIONS
SM DEL60Hz 1-E.0 GB
3. RATING CONDITIONS
Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units).
Cooling:
Indoor: 27oC DB 19oC WB
Outdoor: 35 oC DB
Heating:
Indoor: 20oC DB
Outdoor: 7oC DB 6oC WB
3.1 Operating Limits
3.1.1 R410A
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 V / 60Hz