Electra DELTA 22 User manual

Delta DCI Series

Indoor Units Outdoor Units

Delta 22 DCR 22

Delta 25 DCR 25

Delta 35 DCR 35

Delta 50 DCR 50

REFRIGERANT

SEPTEMBER – 2008

REFRIGERANT

R410A HEAT PUMP

SM DELTA 1-E.2 GB

CONTENT

LIST OF EFFECTIVE PAGES

SM DELTA 1-E.2 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 ........ 15 March 2005

Total number of pages in this publication is 79 consisting of the following:

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Page

No.

Revision

No. #

Title ....................... 2

A ........................... 2

i............................. 2

1-1 - 1-3 ................ 2

2-1 - 2-4 ................ 2

3-1 ........................ 2

4-1 - 4-3 ................ 2

5-1 - 5-20 .............. 2

6-1 - 6-4 ................ 2

7-1 ........................ 2

8-1 ........................ 2

9-1 ........................ 2

10-1 ...................... 2

11-1-11-14............. 2

12-1-12-7 .............. 2

13-1-13-11 ............ 2

Appendix -A ...........2

•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

SM DELTA 1-E.2 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 DELTA 1-E.2 GB

1. INTRODUCTION

1.1 General

The new Delta DC Inverter split wall mounted series comprise RC (heat pump)

models, as follows:

●Delta 22

●Delta 25

●Delta 35

●Delta 50

The indoor Delta units are available as LED display types only, featuring esthetic

design, compact dimensions, and low noise operation.

1.2 Main Features

The Delta series beneﬁts from the most advanced innovations, namely:

●DC Inverter Technology

● R410A

● Microprocessor control.

● Infrared remote control with liquid crystal display.

● Indoor large diameter cross ﬂow fan, allowing low noise level operation.

● Bended indoor coil with treated aluminum ﬁns and coating for improved

efﬁciency.

● High COP.

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

● Heating operation at outdoor temperature down to -15ºC

● Advanced test and diagnostics mode.

● M2L diagnostics softwear cable port (for PC)

● Easy access to the interconnecting tubing and wiring connections, so that

during installation removing the front grill or casing is not necessary.

● Refrigerant pipes can be connected to the indoor unit from 5 different optional

directions.

● Automatic treated air sweep.

● Easy installation and service.

CONTENT

1-2

INTRODUCTION

SM DELTA 1-E.2 GB

1.3 Indoor Unit

The indoor unit is wall mounted, and can be easily ﬁtted to many types of residential

and commercials applications.

It includes:

● Casing with air inlet and outlet grills.

●A large-diameter tangential fan.

● Bended coil with treated aluminum ﬁns.

● Motorized ﬂaps.

● Variable Speed motor (PG).

● Advanced electronic control box assembly.

● Interconnecting wiring terminal block.

● Mounting plate.

1.4 Filtration

The Delta series presents several types of air ﬁlters:

● Easily accessible, and re-usable pre-ﬁlters (mesh)

● Pre-charged electrostatic ﬁlter (optional)

● Active carbon ﬁlter (optional)

1.5 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.

1.6 Outdoor Unit

The Delta 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 :

● Single DC Rotary Compressor mounted in a soundproofed compartment

● Axial fan.

● Outdoor coil with hydrophilic louver ﬁns.

● Outlet air fan grill.

● Outdoor advanced controller.

● 2 fan speed AC motor

CONTENT

1-3

INTRODUCTION

SM DELTA 1-E.2 GB

1.7 Tubing Connections

Flare type interconnecting tubing to be produced on site.

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

1.8 Inbox Documentation

Each unit is supplied with its own installation and operation manuals.

1.9 Matching Table

INDOOR UNITS

OUTDOOR UNITS

MODEL REFR” Delta 22 Delta 25 Delta 35 Delta 50

DCR 22

DCR 25

DCR 35

R410A √√√ ―

DCR 50 R410A ――― √

CONTENT

2-1

PRODUCT DATA SHEET

SM DELTA 1-E.2 GB

2.1 Delta 22 / DCR 22 DCI R410A

Model Indoor Unit DELTA 22 DCI

Model Outdoor Unit DCR 22 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 7500(4440-8870) 8530(4440-10580)

kW 2.2(1.3-2.6) 2.5(1.3-3.1)

Power input (1) kW 0.66 0.73

EER (Cooling) or COP(Heating) (1) W/W 3.33 3.42

Energy efﬁciency class A B

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

Rated current A 3.0 3.3

Starting current A 10.5

Circuit breaker rating A 10

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1100/950/800

Air ﬂow (2) H/M/L m3/hr 400/350/300

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 49/46/43

Sound pressure level (4) H/M/L dB(A) 36/33/30

Moisture removal l/hr 1

Condensate drain tube I.D mm 16

Dimensions WxHxD mm 680x250x185

Weight kg 7

Package dimensions WxHxD mm 740x265x320

Packaged weight kg 10

Units per pallet units 36 units per pallet

Stacking height units 9 levels

OUTDOOR

Refrigerant control EEV

Compressor type, model Rotary, Panasonic 5RS092XDJ01

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 770

Air ﬂow H/L m3/hr 1400

Sound power level H/L dB(A) 64

Sound pressure level (4) H/L dB(A) 54

Dimensions WxHxD mm 760x245x545

Weight kg 35

Package dimensions WxHxD mm 880x310x610

Packaged weight kg 38

Units per pallet Units 12 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 0.7kg/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) 3/8”(9.53)

Max.tubing length m. Max.15

Max.height difference m. Max. 10

Operation control type Remote control

Heating elements kW

Others

(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511.

(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 meter distance from unit.

2. PRODUCT DATA SHEET

CONTENT

2-2

PRODUCT DATA SHEET

SM DELTA 1-E.2 GB

2.2 Delta 25 / DCR 25 DCI R410A

Model Indoor Unit DELTA 25

Model Outdoor Unit DCR 25

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 8530(4440-10240) 9550(4774-11940)

kW 2.5(1.3-3.0) 2.8(1.4-3.5)

Power input (1) kW 0.75 0.82

EER (Cooling) or COP(Heating) (1) W/W 3.33 3.41

Energy efﬁciency class A B

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

Rated current A 3.2 3.6

Starting current A 10

Circuit breaker rating A 12

INDOOR

Fan type & quantity Crossﬂow x 1

Fan speeds H/M/L RPM 1200/1050/850

Air ﬂow (2) H/M/L m3/hr 420/350/270

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 52/48/45

Sound pressure level(4) H/M/L dB(A) 39/35/32

Moisture removal l/hr 1

Condensate drain tube I.D mm 16

Dimensions WxHxD mm 680x250x185

Weight kg 7

Package dimensions WxHxD mm 740x265x320

Packaged weight kg 10

Units per pallet units 36 units per pallet

Stacking height units 9 levels

OUTDOOR

Refrigerant control EEV

Compressor type, model Rotary, Panasonic 5RS092XDJ01

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 760

Air ﬂow H/L m3/hr 1390

Sound power level H/L dB(A) 64

Sound pressure level(4) H/L dB(A) 54

Dimensions WxHxD mm 760x245x545

Weight kg 36

Package dimensions WxHxD mm 880x310x610

Packaged weight kg 39

Units per pallet Units 12 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 0.85kg/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) 3/8”(9.53)

Max.tubing length m. Max.15

Max.height

difference m. Max. 10

Operation control type Remote control

Heating elements kW

Others

(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511.

(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 meter distance from unit.

CONTENT

2-3

PRODUCT DATA SHEET

SM DELTA 1-E.2 GB

2.3 Delta 35 / DCR 35 DCI R410A

Model Indoor Unit DELTA 35

Model Outdoor Unit DCR 35

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (1) Btu/hr 11940(4440-13990) 12280(5115-13990)

kW 3.5(1.3-4.1) 3.6(1.65-4.1)

Power input (1) kW 1.03 1.05

EER (Cooling) or COP(Heating) (1) W/W 3.39 3.43

Energy efﬁciency class A B

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

Rated current A 4.9 4.8

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 (2) H/M/L m3/hr 550/450/350

External static pressure Min-Max Pa 0

Sound power level (3) H/M/L dB(A) 56/46/42

Sound pressure level(4) H/M/L dB(A) 39/33/29

Moisture removal l/hr 1.5

Condensate drain tube I.D mm 16

Dimensions WxHxD mm 840x250x185

Weight kg 8

Package dimensions WxHxD mm 930x265x320

Packaged weight kg 11

Units per pallet units 36 units per pallet

Stacking height units 9 levels

OUTDOOR

Refrigerant control EEV

Compressor type, model Rotary, Panasonic 5RS102XAB

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 760

Air ﬂow H/L m3/hr 1390

Sound power level H/L dB(A) 65

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

Dimensions WxHxD mm 760x245x545

Weight kg 37

Package dimensions WxHxD mm 880x310x610

Packaged weight kg 40

Units per pallet Units 12 units per pallet

Stacking height units 3 levels

Refrigerant type R410A

Refrigerant chargless distance kg/m 1.0kg/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) 3/8”(9.53)

Max.tubing length m. Max.15

Max.height

difference m. Max. 10

Operation control type Remote control

Heating elements kW No

Others

(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511.

(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 meter distance from unit.

CONTENT

2-4

PRODUCT DATA SHEET

SM DELTA 1-E.2 GB

Model Indoor Unit DELTA 50 DCI

Model Outdoor Unit DCR 50 R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Btu/hr 17060(4780-18770) 18080(5460-20130)

Capacity (1)

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/50Hz

Rated current A 7.0 6.9

Starting current A 10.5

Circuit breaker rating A 20

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

Package dimensions WxHxD mm 960x270x360

Packaged weight kg 14

Units per pallet units 24 units per pallet

INDOOR

Stacking height units 8 levels

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

Liquid line In.(mm) 1/4"(6.35)

Suction line In.(mm) 1/2"(12.7)

Max.tubing length m. Max.15

OUTDOOR

Connections between

units

Max.height difference m. Max. 10

Operation control type Remote control

Heating elements kW

Others

(1) Rating conditions in accordance with ISO 5151 and ISO 13253 (for ducted units) and EN 14511.

(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 meter distance from unit.

2.4 Delta 50 / DCR 50 DCI R410A

CONTENT

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