Electra DELTA 25 User manual

Delta DCI Series

Indoor Units Outdoor Units

Delta 25 DCR 25 Z

Delta 35 DCR 35 Z

REFRIGERANT

NOVEMBER – 2008

REFRIGERAN

REFRIGERANT

R410A HEAT PUMP

SM DELTAZ 1-E.0 GB

CONTENTS

LIST OF EFFECTIVE PAGES

SM DELTAZ 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 ........ 20 November 2008

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•Zero in this column indicates an original page.

CONTENTS

TABLE OF CONTENTS

SM DELTAZ 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 DELTAZ 1-E.0 GB

1. INTRODUCTION

1.1 General

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

as follows:

●Delta 25

●Delta 35

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 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.

CONTENTS

1-2

INTRODUCTION

SM DELTAZ 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.

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 :

●Compressor mounted in a soundproofed component.

Single DC Rotary ─For DCR 25Z, DCR 35Z.

●Axial fan.

●Outdoor coil with hydrophilic louver fins.

●Outlet air fan grill.

●Display (3 LED’s).

●2 speed AC motor.

CONTENTS

1-3

INTRODUCTION

SM DELTAZ 1-E.0 GB

1.7 Tubing Connections

Flare type interconnecting tubing to be produced on site.

For further details please refer to the Installation Manual, Outdoor Chapter 9.

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 UNITS

OUTDOOR UNITS

MODEL REFR” Delta 25 Delta 35

DCR 25Z R410A √

DCR 35Z R410A √

CONTENTS

2-1

PRODUCT DATA SHEET

SM DELTAZ 1-E.0 GB

2. PRODUCT DATA SHEET

2.1 Delta 25 / DCR 25Z R410A

Model Indoor Unit DELTA 25 DCI

Model Outdoor Unit DCR 25 Z R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (4) Btu/hr 8530(4090-10240) 8530(3410-10910)

kW 2.5(1.2-3.0) 2.5(1.0-3.2)

Power input (4) kW 0.78 0.69

EER (Cooling) or COP(Heating) (4) W/W 3.21 3.61

Energy efficiency class A A

Power supply V/Ph/Hz 220-240V ~1Ph 50/60Hz

Rated current A 3.5 3.1

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-Max 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

Condenstate drain tube I.D mm 16

Dimensions WxHxD mm 680x185x250

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 Capillary

Compressor type,model Rotary, TOSHIBA DA89X1C-20FZ3

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 830

Air flow H/L m3/hr 1460

Sound power level H/L dB(A) 65

Sound pressure level (3) H/L dB(A) 55

Dimensions WxHxD mm 760x245x545

Weight kg 31

Package dimensions WxHxD mm 880x310x610

Packaged weight kg 33

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 L≤10m:+0g 10<L≤15m:+200g

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)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).

CONTENTS

2-2

PRODUCT DATA SHEET

SM DELTAZ 1-E.0 GB

2.2 Delta 35 / DCR 35 Z R410A

Model Indoor Unit DELTA 35 DCI

Model Outdoor Unit DCR 35 Z R410A

Installation Method of Pipe Flared

Characteristics Units Cooling Heating

Capacity (4) Btu/hr 11940(4100-13640) 11940(4100-13330)

kW 3.5(1.2-4.0) 3.5(1.2-3.9)

Power input (4) kW 1.09 0.97

EER (Cooling) or COP(Heating) (4) W/W 3.21 3.61

Energy efficiency class A A

Power supply V/Ph/Hz 220-240V ~1Ph 50/60Hz

Rated current A 4.9 4.3

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-Max 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 840x185x250

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 Capillary

Compressor type,model Rotary, TOSHIBA DA108X1C-20FZ3

Fan type & quantity Propeller(direct) x 1

Fan speeds H/L RPM 830

Air flow H/L m3/hr 1460

Sound power level H/L dB(A) 66

Sound pressure level (3) H/L dB(A) 56

Dimensions WxHxD mm 760x245x545

Weight kg 32

Package dimensions WxHxD mm 880x310x610

Packaged weight kg 34

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 L≤10m:+0g 10L≤20m :+200g

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) 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).

CONTENTS

3-1

RATING CONDITIONS

SM DELTAZ 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 0oC DB

Heating Upper limit 27oC DB 24oC DB 18oC WB

Lower limit 10oC DB -15oC DB -16oC WB

Voltage 198 – 264 V

CONTENTS

4-1

OUTLINE DIMENSIONS

SM DELTAZ 1-E.0 GB

4. OUTLINE DIMENSIONS

4.1 Indoor Unit: Delta 25 DCI

4.2 Indoor Unit: Delta 35 DCI

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