Electra DNG DC Series User manual

DNG DC Inverter Series

Indoor Units Outdoor Units

DNG 50 DCI DCI 50

DNG 60 DCI DCI 60

DNG 72 DCI DCI 72

DCI 72Z

DNG 80 DCI DCI 80

APRIL 2007

REFRIGERANT

R410A HEAT PUMP

CONTENT

LIST OF EFFECTIVE PAGES

Revision Y07-02 Service Manual - DNG DCI

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 ........ July 2006

Total number of pages in this publication is 122 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

TABLE OF CONTENTS

Revision Y07-02

Service Manual - DNG DCI

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. AIRFLOW CURVES ..............................................................................................6-1

7. SOUND LEVEL CHARACTERISTICS ..................................................................7-1

8. ELECTRICAL DATA..............................................................................................8-1

9. WIRING DIAGRAMS .............................................................................................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 .........................................................................................................15-1

1-1

INTRODUCTION

Revision Y07-02Service Manual - DNG DCI

1. INTRODUCTION

1.1 General

The DNG DCI ducted split unit range comprises the following RC (heat pump) models

•DNG 50

•DNG 60

•DNG 72

•DNG 80

Remote control compatibility

•The DNG unit is compatible with remote controls RC3, RC4, RCW1, RCW2.

1.2 Main Features

The DNG DCI series beneﬁts from the most advanced technological innovations,

namely:

•DC inverter technology.

•R410A.

•High COP.

•Pre-Charged units up to the max’ allowing tubing distance.

•A dry contract for presence detector or power shedding.

•Cooling operation at outdoor temperature down to -10°C.

•Heating operation at outdoor temperature down to -15°C.

•High Static Pressure in silhouette ducted unit

•Low silhouette 260-300mm height that simpify the false ceiling construction.

•Small volume ,easy for installation(require small space for installation).

•Built in over-ﬂow protection against the condensate wate.

•Low indoor and outdoor noise levels.

•Water condensate tray is equipped with two optional drain connections.

•Microprocessor control.

•Infrared remote control with liquid crystal displa.

•Easy installation and service.

CONTENT

1-2

INTRODUCTION

Revision Y07-02 Service Manual - DNG DCI

1.3 Indoor Unit

The indoor unit is a low silhouette ducted unit, and can be easily ﬁtted to many types of

residential and commercials applications.

It includes:

•High technology plastic fan and fan housing.

•A drain pool that is under the entire unit with internal downward slope.

•An over-ﬂow switch, stops compressor operation in case of is blocked drainage.

•A bended coil with treated aluminium ﬁns.

•3-speed fan motor an extra speed in case a higher external static pressure isneed-

ed.

•Advanced electronic control box assembly.

•All the tubing connections are in the back of the unit to allow easy outlet to left or right

side of the unit.

•Field options:

(1) External water pump

(2) Airconet connection

(3) Plenum kit for connection of ﬂexible hoses at air outlet.

1.4 Filtration

•The unit is equipped with pre ﬁlters.

•Easy and versatile access, rear or bottom, can be easily adjusted by the instaler.

1.5 Ionizer (Optional)

A special design Ioniser protected by unique patents integrated into the indoor unit,

generating negative ions to the room providing comfort and upgraded indoor air quality.

1.6 Control

The microprocessor indoor controller, and an infrared remote control, supplied as

standard, provide complete operating function and programming.

For further details, please refer to the Operation Manual, Appendix A.

CONTENT

1-3

INTRODUCTION

Revision Y07-02Service Manual - DNG DCI

1.7 Outdoor Unit

The DNG DCI INV 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 :

Scroll – for DNG 50, 60

Dual Rotary – for DNG 72, 80

•Improved 3- blades axial fans for noise reduction.

•Fan grill air outlet.

•Service valves ”ﬂare” type connection.

•Service ports for high/ low pressure measurement.

•Advanced controller.

•Outdoor coil with hydrophilic louver ﬁns.

Feature DCI50, 60,72, 72Z, 80

Diagnostics Display 3 LED`s

Outdoor Fan Veriable speed DC Inverter

M2L cable Port No

1.8 Tubing Connections

Flare type-interconnecting tubing to be produced on site.

All the units from 7KW and up can be installed with 50-meter tubing length and 25-meter

height difference without oil traps.

For further details, please refer to the Installation Manual, Appendix A.

1.9 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 the Technical Service Manual.

1.10 Inbox Documentation

Each unit includes its own installation and operation manuals.

CONTENT

1-4

INTRODUCTION

Revision Y07-02 Service Manual - DNG DCI

1.11 Matching Table

1.11.1 R410A

OUTDOOR UNITS

INDOOR UNITS

MODEL REFRIGER.DNG 50 DCI DNG 60 DCI DNG 72 DCI DNG 80 DCI

DCI 50 R410A √

DCI 60 R410A √

DCI 72

DCI 72Z R410A √

DCI 80 R410A √

The above table lists outdoor units and DNG/DCI indoor units which can be matched together.

In addition the listed outdoor units can be matched with other types of indoor units such ascassettes,

ﬂoor/ceiling.

For further information please refer to the relevant Service Manual.

CONTENT

2-1

PRODUCT DATA SHEET

Revision Y07-02Service Manual - DNG DCI

2. PRODUCT DATA SHEET

2.1 DNG50 DCI

Model Indoor Unit DNG 50 DCI

Model Outdoor Unit DCI 50 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 17060(5460-21840) 20470(4780-26270)

kW 5.0(1.6 - 6.4) 6.0(1.4 - 7.7)

Power input (1) kW 1.55(0.5- 2.2) 1.6(0.4- 2.0)

EER (Cooling) or COP(Heating) (1) W/W 3.23 3.75

Energy efﬁciency class A A

Power supply V/Ph/Hz 220-240V/Single/50Hz

Rated current A 6.7 7.0

Starting current A 15

Circuit breaker rating A 20

INDOOR

Fan type & quantity Centrifugal x 1

Fan speeds H/M/L RPM 630/530/425

Air ﬂow (2) H/M/L m3/hr 1170/920/730

External static pressure Min-Max Pa 25-60

Sound power level (3) H/M/L dB(A) 55/53/50

Sound pressure level (4) H/M/L dB(A) 42/37/34

Moisture removal l/hr 1.0

Condensate drain tube I.D mm 19

Dimensions WxHxD mm 790x256x749

Weight kg 29

Package dimensions WxHxD mm 959x315x854

Packaged weight kg 31

Units per pallet units 6

Stacking height units 6

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(3) H/L dB(A) 63

Sound pressure level(4) H/L dB(A) 53

Dimensions WxHxD mm 795x610x290

Weight kg 39

Package dimensions WxHxD mm 945x655x395

Packaged weight kg 43

Units per pallet Units 9 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant charge(standard connecting

tubing length) Kg(m) 1.50

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.30

Max.height

difference m. Max. 15

Operation control type Remote control

Heating elements 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 1.4 meter distance from unit.

CONTENT

2-2

PRODUCT DATA SHEET

Revision Y07-02 Service Manual - DNG DCI

2.2 DNG60 DCI

Model Indoor Unit DNG 60 DCI

Model Outdoor Unit DCI 60 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 19110(5460-22520) 22520(6140-

27300)

kW 5.6 (1.6 - 6.6) 6.6 (1.8 - 8.0)

Power input (1) kW 1.86(0.5 - 2.25) 1.80 (0.5 - 2.08)

EER (Cooling) or COP(Heating) (1) W/W 3.01 3.74

Energy efﬁciency class B A

Power supply V/Ph/Hz 220-240V/Single/50Hz

Rated current A 8.1 7.8

Starting current A 15

Circuit breaker rating A 20

INDOOR

Fan type & quantity Centrifugal x 1

Fan speeds H/M/L RPM 680/530/425

Air ﬂow (2) H/M/L m3/hr 1210/875/730

External static pressure Min-Max Pa 25-60

Sound power level (3) H/M/L dB(A) 60/53/50

Sound pressure level (4) H/M/L dB(A) 43/37/34

Moisture removal l/hr 1.24

Condensate drain tube I.D mm 19

Dimensions WxHxD mm 790x250x749

Weight kg 29

Package dimensions WxHxD mm 959x315x854

Packaged weight kg 31

Units per pallet units 6

Stacking height units 6

OUTDOOR

Refrigerant control EEV

Compressor type, model Scroll, Panasonic 5CS130XCC03

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 820

Air ﬂow H/L m3/hr 2860

Sound power level(3) H/L dB(A) 65

Sound pressure level (4) H/L dB(A) 55

Dimensions WxHxD mm 846x690x302

Weight kg 46

Package dimensions WxHxD mm 990x770x430

Packaged weight kg 50

Units per pallet Units 9 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant charge(standard connecting

tubing length) Kg(7.5m) 1.65

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.30

Max.height

difference m. Max. 15

Operation control type Remote control

Heating elements 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 1.4 meter distance from unit.

CONTENT

2-3

PRODUCT DATA SHEET

Revision Y07-02Service Manual - DNG DCI

2.3 DNG72 DCI

Model Indoor Unit DNG 72 DCI

Model Outdoor Unit DCI 72 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 23200(5460-27300) 25930(6140-30030)

kW 6.8(1.6-8.0) 7.6(1.8-8.8)

Power input (1) kW 2.26(0.55 - 2.68) 2.08(0.5 - 2.5)

EER (Cooling) or COP(Heating) (1) W/W 3.01 3.65

Energy efﬁciency class B A

Power supply V/Ph/Hz 220-240V/Single/50Hz

Rated current A 9.8 9.0

Starting current A 15

Circuit breaker rating A 20

INDOOR

Fan type & quantity Centrifugal x 1

Fan speeds H/M/L RPM 800/670/550

Air ﬂow (2) H/M/L m3/hr 1320/1150/935

External static pressure Min-Max Pa 25-60

Sound power level (3) H/M/L dB(A) 65/60/55

Sound pressure level (4) H/M/L dB(A) 47/43/38

Moisture removal l/hr 1.53

Condensate drain tube I.D mm 19

Dimensions WxHxD mm 790x256x749

Weight kg 29

Package dimensions WxHxD mm 959x315x854

Packaged weight kg 31

Units per pallet units 6

Stacking height units 6

OUTDOOR

Refrigerant control EEV

Compressor type, model Two Rotary, Mitsubishi TNB220F

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 850

Air ﬂow H/L m3/hr 3600

Sound power level (3) H/L dB(A) 66

Sound pressure level (4) H/L dB(A) 56

Dimensions WxHxD mm 950x835x412

Weight kg 65.5

Package dimensions WxHxD mm 1080x910x477

Packaged weight kg 73

Units per pallet Units 2

Stacking height units 2 levels

Refrigerant type R410A

Refrigerant charge (standard connecting

tubing length) kg(7.5m) 2.4

Additional charge (tubing length 30-50m) Kg 1.8

Connections between units

Liquid line In.(mm) 3/8”(9.53)

Suction line In.(mm) 5/8”(15.88)

Max.tubing

length m. Max.50

Max.height

difference m. Max.25

Operation control type Remote control

Heating elements 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 1.4 meter distance from unit.

CONTENT

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