Airwell CK DC Series User manual

CK DC Inverter Series
Indoor Units Outdoor Units
CK 25 DCI DCI 25
CK 35 DCI DCI 35
CK 50 DCI DCI 50
CK 60 DCI DCI 60
CK 70 DCI DCI 72Z
AUGUST – 2008
REFRIGERANT R410A
HEAT PUMP
SM CK 1-A.1 GB
CONTENT

A
LIST OF EFFECTIVE PAGES
SM CK 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 2007
Total number of pages in this publication is 111 consisting of the following:
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•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
CONTENT

i
TABLE OF CONTENTS
SM CK 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. APPENDIX A .........................................................................................................14-1

1-1
INTRODUCTION
SM CK 1-A.1 GB
1. INTRODUCTION
1.1 General
The CK DCI Inverter Cassette type split air conditioner range comprise RC (heat pump)
models, as follows:
● CK 25
● CK 35
● CK 50
● CK 60
● CK 70
1.2 Main Features
The CK DCI series benefits from the most advanced technological innovations,
namely:
● DC inverter technology.
● R410A refrigerant.
● High COP.
● Precharged refrigerant.
● Low Sound level for both Indoor and Outdoor.
● 60 x60 cm dimension designed for integration in suspended ceilings.
● DC Brushless fan motor.
● New grille, modern style with elegant lines in line with every interior decor , 2 panels
optional available (hard ceiling / Suspended ceiling).
● Motorized air distribution flaps.
● Very slim profile 219 mm at size 9-12, and 270 mm at size 18-24.
● Option of fresh air intake, and air distribution to adjacent room.
● Integrated condensate pump with a lift of 1 m Max.
● Connection to Multisplit outdoor units.
● Up to 30 m pipe length between indoor and outdoor units.
● Up to 15 m vertical high between indoor and outdoor units.
● Cooling operation at outdoor temperature down to -10°C.
● Heating operation at outdoor temperature down to -15°C.
● Built in over-flow protection against the condensate water.
● Easy installation and service.
● Product can have the option of additional function of Ionizer and ESF.
● Fan speed can be adjusted by compensation on PCB according to different installation
height (Field option).
CONTENT

1-2
INTRODUCTION
SM CK 1-A.1 GB
1.3 Indoor Unit
The indoor unit is cassette type indoor unit, and can be easily fitted to many types of
residential and commercials applications.
It includes:
● Coil with hydrophilic aluminum fins.
● Motorized flaps (two step motors).
● Advanced electronic control box assembly (DCI storm).
● Low sound level of the indoor fan.
1.4 Filtration
The CK series presents several types of air filters:
● Easily accessible, and re-usable pre-filters.
●Easily Static Filter (Field Option).
1.5 Control
The microprocessor indoor controller, and an infrared remote control, supplied as
standard, providing complete operating function and programming. For further details
please refer to the Operation Manual, Appendix A.
1.6 Outdoor Unit
The CK 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:
Single Rotary – for DCI 25 and DCI 35.
Scroll – for DCI 50 and DCI 60.
Twin Rotary – for DCI 72Z.
● Axial fan.
● Outdoor coil with hydrophilic louver fins for RC units.
● Outlet air fan grill.
● Service valves” flare” type connection.
● Interconnecting wiring terminal block.
CONTENT