Toshiba RAV-SM1603ATZG-E, RAV-SM1603DT-A, RAV-SM1603ATZ-E, RAV-SM1403DT-A User Manual

FILE NO. A07-009

SERVICE MANUAL

AIR-CONDITIONER

SPLIT TYPE

OUTDOOR UNIT <DIGITAL INVERTER>

RAV-SM1603AT-E

RAV-SM1603ATZ-E

RAV-SM1603ATZG-E

INDOOR UNIT <DIGITAL INVERTER>

RAV-SM1403DT-A
RAV-SM1603DT-A

∗ Refer to the Service Manual with File No. A06-010 for Model RAV-SM1403AT-E, and refer to the

Service Manual with File No. A07-003 for Model RAV-SP1403AT-E, respectively.

R410A

PRINTED IN JAPAN, Jun, 2008 ToMo

Adoption of New Refrigerant

This Air Conditioner is a new type which adopts a new refrigerant HFC (R410A) instead of the conventional
refrigerant R22 in order to prevent destruction of the ozone layer.

WARNING

Cleaning of the air filter and other parts of the air filter involves dangerous work in high places, so be sure to
have a service person do it. Do not attempt it yourself.

The cleaning diagram for the air filter is there for the ser vice person, and not for the customer.

CONTENTS

SAFETY CAUTION ............................................................................................ 4

1. SPECIFICATIONS ...................................................................................... 9

1-1. Indoor Unit........................................................................................................... 9

1-2. Outdoor Unit...................................................................................................... 21

1-3. Operation Characteristic Curve....................................................................... 22

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS) ...................................... 23

2-1. Indoor Unit......................................................................................................... 23

2-2. Outdoor Unit...................................................................................................... 24

3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM.............................. 27

3-1. Indoor Unit......................................................................................................... 27

3-2. Outdoor Unit...................................................................................................... 29

4. WIRING DIAGRAM................................................................................... 30

4-1. Indoor Unit......................................................................................................... 30

4-2. Outdoor Unit...................................................................................................... 32

4-3. Fan Characteristics .......................................................................................... 33

5. SPECIFICATIONS OF ELECTRICAL PARTS .......................................... 34

5-1. Indoor Unit......................................................................................................... 34

5-2. Outdoor Unit...................................................................................................... 34

– 2 –

6. REFRIGERANT R410A............................................................................ 35

6-1. Safety During Installation/Servicing ............................................................... 35

6-2. Refrigerant Piping Installation....................................................................... 35

6-3. Tools .................................................................................................................. 39

6-4. Recharging of Refrigerant................................................................................ 39

6-5. Brazing of Pipes................................................................................................ 40

6-6. Instructions for Re-use Piping of R22 or R407C ............................................ 42

6-7. Tolerance of Pipe Length and Pipe Head........................................................ 46

6-8. Additional Refrigerant Amount........................................................................ 48

6-9. Piping Materials and Sizes............................................................................... 50

6-10. Branch Pipe....................................................................................................... 51

6-11. Distributor ......................................................................................................... 51

7. INDOOR CONTROL CIRCUIT ................................................................. 52

7-1. Indoor Controller Block Diagram..................................................................... 52

7-2. Control Specifications...................................................................................... 53

7-3. Optional Connector Specifications of Indoor P.C. Board.............................. 59

7-4. Indoor Print Circuit Board................................................................................ 60

7-5. Outdoor Print Circuit Board............................................................................. 61

8. CIRCUIT CONFIGURATION AND CONTROL SPECIFICATIONS........... 64

8-1. Outdoor Controls.............................................................................................. 64

9. INDOOR UNIT TROUBLESHOOTING...................................................... 69

9-1. Summary of Troubleshooting........................................................................... 69

9-2. Troubleshooting................................................................................................ 70

10. OUTDOOR UNIT TROUBLESHOOTING.................................................. 83

10-1. Summary of Troubleshooting........................................................................... 83

10-2. Troubleshooting................................................................................................ 85

11. REPLACEMENT OF SERVICE P.C. BOARD ......................................... 112

11-1. Indoort Unit ..................................................................................................... 112

12. SETUP AT LOCAL SITE AND OTHERS................................................ 116

12-1. Indoor Unit....................................................................................................... 116

12-2. Setup at Local Site / Others ........................................................................... 123

12-3. How to Set up Central Control Address Number ......................................... 125

13. ADDRESS SETUP.................................................................................. 127

13-1. Address Setup Procedure.............................................................................. 127

13-2. Address Setup & Group Control.................................................................... 128

13-3. Address Setup (Manual Setting from Remote Controller)........................... 131

14. DETACHMENTS ..................................................................................... 133

14-1. Indoor Unit....................................................................................................... 133

14-2. Outdoor Unit.................................................................................................... 141

15. EXPLODED VIEWS AND PARTS LIST .................................................. 150

15-1. Indoor Unit....................................................................................................... 150

15-2. Outdoor Unit.................................................................................................... 153

– 3 –

SAFETY CAUTION

The important contents concerned to the saf ety are described on the product itself and on this Service Manual.
Please read this Service Manual after understanding the described items thoroughly in the following contents

(Indications/Illustrated marks), and keep them.

[Explanation of indications]

Indication

DANGER

WARNING

CAUTION

∗ Property damage : Enlarged damage concerned to property, furniture, and domestic animal/pet

Indicates contents assumed that an imminent danger causing a death or serious injury of
the repair engineers and the third parties when an incorrect work has been executed.

Indicates possibilities assumed that a danger causing a death or serious injury of the repair
engineers, the third parties, and the users due to troubles of the product after work when
an incorrect work has been executed.

Indicates contents assumed that an injury or proper ty damage (∗) may be caused on the
repair engineers, the third parties, and the users due to troubles of the product after work
when an incorrect work has been executed.

Explanation

[Explanation of illustrated marks]

Mark Explanation

Indicates prohibited items (Forbidden items to do)
The sentences near an illustrated mark describe the concrete prohibited contents.

Indicates mandatory items (Compulsory items to do)
The sentences near an illustrated mark describe the concrete mandatory contents.

Indicates cautions (Including danger/warning)
The sentences or illustration near or in an illustrated mark describe the concrete cautious contents.

[Confirmation of warning label on the main unit]

Confirm that labels are indicated on the specified positions
(Refer to the Parts disassembly diagr am (Outdoor unit).)

If removing the label during parts replace, stick it as the original.

DANGER

Turn “OFF” the breaker before removing the front panel and cabinet, otherwise an electric
shock is caused by high voltage resulted in a death or injury.

During operation, a high voltage with 400V or higher of circuit (∗) at secondary circuit of the
high-voltage transformer is applied.

Turn off breaker.

Execute discharge

between terminals.

Prohibition

If touching a high voltage with the naked hands or body, an electric shock is caused even if using an
electric insulator.

∗ : For details, refer to the electric wiring diagram.

When removing the front panel or cabinet, execute short-circuit and discharge between high­voltage capacitor terminals.

If discharge is not executed, an electric shock is caused by high voltage resulted in a death or injury.
After turning off the breaker, high voltage also keeps to apply to the high-voltage capacitor.

Do not turn on the breaker under condition that the front panel and cabinet are removed.

An electric shock is caused by high voltage resulted in a death or injury.

– 4 –

Check earth wires.

Prohibition of modification.

Use specified parts.

Do not bring a child

close to the equipment.

Insulating measures

No fire

WARNING

Before troubleshooting or repair work, check the earth wire is connected to the earth
terminals of the main unit, otherwise an electric shock is caused when a leak occurs.

If the earth wire is not correctly connected, contact an electric engineer for rework.

Do not modify the products.

Do not also disassemble or modify the parts. It may cause a fire, electric shock or injury.

For spare parts, use those specified (

If unspecified parts are used, a fire or electric shock may be caused.
∗: For details, refer to the parts list.

Before troubleshooting or repair work, do not bring a third party (a child, etc.) except
the repair engineers close to the equipment.

It causes an injury with tools or disassembled parts.
Please inform the users so that the third party (a child, etc.) does not approach the equipment.

Connect the cut-off lead wires with crimp contact, etc, put the closed end side upward
and then apply a water-cut method, otherwise a leak or production of fire is caused at
the users’ side.

When repairing the refrigerating cycle, take the following measures.

1) Be attentive to fire around the cycle. When using a gas stove, etc, be sure to put out fire
before work; otherwise the oil mixed with refrigerant gas may catch fire.

2) Do not use a welder in the closed room.
When using it without ventilation, carbon monoxide poisoning may be caused.

3) Do not bring inflammables close to the refrigerant cycle, otherwise fire of the welder may
catch the inflammables.

∗∗

∗).

∗∗

Refrigerant

Check the used refrigerant name and use tools and materials of the parts which
match with it.

For the products which use R410A refrigerant, the refrigerant name is indicated at a position
on the outdoor unit where is easy to see. To prevent miss-charging, the route of the service
port is changed from one of the former R22.

For an air conditioner which uses R410A, never use other refrigerant than R410A.
For an air conditioner which uses other refrigerant (R22, etc.), never use R410A.

If different types of refrigerant are mixed, abnormal high pressure generates in the
refrigerating cycle and an injury due to breakage may be caused.

Do not charge refrigerant additionally.

If charging refrigerant additionally when refrigerant gas leaks, the refrigerant composition in
the refrigerating cycle changes resulted in change of air conditioner characteristics or
refrigerant over the specified standard amount is charged and an abnormal high pressure is
applied to the inside of the refrigerating cycle resulted in cause of breakage or injury.
Therefore if the refrigerant gas leaks, recover the refrigerant in the air conditioner, execute
vacuuming, and then newly recharge the specified amount of liquid refrigerant.
In this time, never charge the refrigerant over the specified amount.

When recharging the refrigerant in the refrigerating cycle, do not mix the refrigerant
or air other than R410A into the specified refrigerant.

If air or others is mixed with the refrigerant, abnormal high pressure generates in the
refrigerating cycle resulted in cause of injury due to breakage.

After installation work, check the refrigerant gas does not leak.

If the refrigerant gas leaks in the room, poisonous gas generates when gas touches to fire
such as fan heater, stove or cocking stove though the refrigerant gas itself is innocuous.

Never recover the refrigerant into the outdoor unit.

When the equipment is moved or repaired, be sure to recover the refrigerant with recovering
device. The refrigerant cannot be recovered in the outdoor unit; otherwise a serious accident
such as breakage or injury is caused.

Assembly/Cabling

After repair work, surely assemble the disassembled parts, and connect and lead the
removed wires as before. Perform the work so that the cabinet or panel does not
catch the inner wires.

If incorrect assembly or incorrect wire connection was done, a disaster such as a leak or fire
is caused at user’s side.

– 5 –

WARNING

Insulator check

Ventilation

Be attentive to

electric shock

Compulsion

After the work has finished, be sure to use an insulation tester set (500V Megger) to
check the resistance is 2M
metal section (Earth position).

If the resistance value is low, a disaster such as a leak or electric shock is caused at user’s
side.

When the refrigerant gas leaks during work, execute ventilation.

If the refrigerant gas touches to a fire, poisonous gas generates.
A case of leakage of the refrigerant and the closed room full with gas is dangerous because
a shortage of oxygen occurs. Be sure to execute ventilation.

When checking the circuit inevitably under condition of the power-ON, use rubber
gloves and others not to touch to the charging section.

If touching to the charging section, an electric shock may be caused.

When the refrigerant gas leaks, find up the leaked position and repair it surely.

If the leaked position cannot be found up and the repair work is interrupted, pump-down and
tighten the service valve, otherwise the refrigerant gas may leak into the room.
The poisonous gas generates when gas touches to fire such as fan heater, stove or cocking
stove though the refrigerant gas itself is innocuous.

When installing equipment which includes a large amount of charged refrigerant such
as a multi air conditioner in a sub-room, it is necessary that the density does not the
limit even if the refrigerant leaks.

If the refrigerant leaks and exceeds the limit density, an accident of shortage of oxygen is
caused.

For the installation/moving/reinstallation work, follow to the Installation Manual.

If an incorrect installation is done, a trouble of the refrigerating cycle, water leak, electric
shock or fire is caused.

ΩΩ

Ω or more between the charge section and the non-charge

ΩΩ

Check after repair

Check after reinstallation

Put on gloves

Cooling check

After repair work has finished, check there is no trouble.

If check is not executed, a fire, electric shock or injury may be caused.
For a check, turn off the power breaker.

After repair work (installation of front panel and cabinet) has finished, execute a test
run to check there is no generation of smoke or abnormal sound.

If check is not executed, a fire or an electric shock is caused.
Before test run, install the front panel and cabinet.

Check the following items after reinstallation.

1) The earth wire is correctly connected.

2) The power cord is not caught in the product.

3) There is no inclination or unsteadiness and the installation is stable.
If check is not executed, a fire, an electric shock or an injury is caused.

CAUTION

Be sure to put on the gloves (∗) and a long sleeved shirt:
otherwise an injury may be caused with the parts, etc.

(∗) Heavy gloves such as wor k gloves

When the power was turned on, start to work after the equipment has been
sufficiently cooled.

As temperature of the compressor pipes and others became high due to cooling/heating
operation, a burn may be caused.

– 6 –

• New Refrigerant (R410A)

This air conditioner adopts a new HFC type refrigerant (R410A) which does not deplete the ozone layer.

1. Safety Caution Concerned to New Refrigerant

The pressure of R410A is high 1.6 times of that of the former refrigerant (R22).
Accompanied with change of refrigerant, the refrigerating oil has been also changed.
Therefore, be sure that water, dust, the former refrigerant or the former refrigerating oil is not mixed into the

refrigerating cycle of the air conditioner with new refrigerant during installation work or service work.
If an incorrect work or incorrect service is performed, there is a possibility to cause a serious accident.
Use the tools and materials exclusive to R410A to purpose a safe work.

2. Cautions on Installation/Service

1) Do not mix the other refrigerant or refrigerating oil.
For the tools exclusive to R410A, shapes of all the joints including the service port differ from those of

the former refrigerant in order to prevent mixture of them.

2) As the use pressure of the new refrigerant is high, use material thickness of the pipe and tools which are
specified for R410A.

3) In the installation time, use clean pipe materials and work with great attention so that water and others do
not mix in because pipes are affected by impurities such as water, oxide scales, oil, etc.

Use the clean pipes.
Be sure to brazing with flowing nitrogen gas. (Never use gas other than nitrogen gas.)

4) For the earth protection, use a vacuum pump for air purge.

5) R410A refrigerant is azeotropic mixture type refrigerant.
Therefore use liquid type to charge the refrigerant. (If using gas for charging, composition of the

refrigerant changes and then characteristics of the air conditioner change.)

3. Pipe Materials

For the refrigerant pipes, copper pipe and joints are mainly used.
It is necessary to select the most appropriate pipes to conform to the standard.
Use clean material in which impurities adhere inside of pipe or joint to a minimum.

1) Copper pipe

<Piping>

The pipe thickness, flare finishing size, flare nut and others differ according to a refrigerant type.
When using a long copper pipe for R410A, it is recommended to select “Copper or copper-base pipe

without seam” and one with bonded oil amount 40mg/10m or less.
Also do not use crushed, deformed, discolored (especially inside) pipes.

(Impurities cause clogging of expansion valves and capillar y tubes.)

<Flare nut>

Use the flare nuts which are attached to the air conditioner unit.

2) Joint

The flare joint and socket joint are used for joints of the copper pipe.
The joints are rarely used for installation of the air conditioner. However clear impurities when using them.

– 7 –

4. Tools

1. Required T ools for R410A
Mixing of different types of oil may cause a trouble such as generation of sludge, clogging of capillary,

etc. Accordingly, the tools to be used are classified into the following three types.

1) Tools exclusive for R410A (Those which cannot be used for conventional refrigerant (R22))

2) Tools exclusive for R410A, but can be also used for conventional refrigerant (R22)

3) Tools commonly used for R410A and for conventional refrigerant (R22)
The table below shows the tools exclusive for R410A and their interchangeability.

Tools exclusive for R410A (The following tools for R410A are required.)

Tools whose specifications are changed for R410A and their interchangeability

No.

Flare tool

Q

Copper pipe gauge for

R

adjusting projection margin
Torque wrench

S

Gauge manifold

T

Charge hose

U

V acuum pump adapter

V

Electronic balance for

W

refrigerant charging
Refrigerant cylinder

X

Leakage detector

Y

Used tool

Usage

Pipe flaring
Flaring by conventional

flare tool
Tightening of flare nut

Evacuating, refrigerant
charge, run check, etc.

Vacuum evacuating

Refrigerant charge

Refrigerant charge
Gas leakage check

air conditioner installation

R410A

Existence of Whether conven-

new equipment tional equipment

for R410A can be used

Ye s *(Note)

Ye s *(Note)

Yes No

Yes No

Yes No

Yes Yes

Yes No
Yes No

Conventional air

conditioner installation

Whether conventional

equipment can be used

Yes

*(Note)

No

No

Yes

Yes

No

Yes

(Note) When flaring is carried out for R410A using the conventional flare tools, adjustment of projection

margin is necessary. For this adjustment, a copper pipe gauge, etc. are necessary.

General tools (Conventional tools can be used.)

In addition to the above exclusive tools, the following equipments which serve also for R22 are necessary
as the general tools.

1) Vacuum pump. Use vacuum pump by
attaching vacuum pump adapter. 7) Screwdriver (+, –)

2) Torque wrench 8) Spanner or Monkey wrench

3) Pipe cutter 9) Hole core drill

4) Reamer 10) Hexagon wrench (Opposite side 4mm)

5) Pipe bender 11) Tape measure

6) Level vial 12) Metal saw

Also prepare the following equipments for other installation method and run check.

1) Clamp meter 3) Insulation resistance tester (Megger)

2) Ther mometer 4) Electroscope

– 8 –

1-1. Indoor Unit

1-1-1. High Static Duct Type

<Single type>

1. SPECIFICATIONS

Model

Cooling capacity (kW)
Heating capacity (kW)
Power supply

Electrical
characteristics

Appearance Main unit

Outer
dimension

Total weight Main unit (kg)
Heat exchanger

Fan unit

Air filter
Controller (sold separately)
Sound pressure level H (dB•A)
Sound power level H (dB•A)

Connecting pipe Liquid side (mm)

Indoor unit RAV­Outdoor unit RAV-

Running current (A)
Power consumption (kW)

Cooling

Heating

Maximum current (A)

Main unit Width (mm)

Fan
Standard air flow at 100Pa/HH tap (m³/min.)
Fan speed
Motor (W)

External
static pressure

Power factor (%)
EER
Energy efficiency class ∗
Energy rating ∗∗
Running current (A)
Power consumption (kW)
Power factor (%)
COP
Energy efficiency class ∗
Energy rating ∗∗

Height (mm)

Depth (mm)

Standard (at HH tap) (Pa)
Range at HH tap (Pa)

Gas side (mm)

Drain port (mm)

SM1403DT-A SM1403DT-A SM1603DT-A

SM1403AT-E SP1404AT-E SM1603AT(Z)(ZG)-E

12.5 13.0 14.3

14.0 14.0 16.0
1 phase 240V, 50Hz

21.3 18.5 21.97

4.95 4.32 5.01

96.8 97.3 95

2.53 3.01 2.85

(E) (B) (C)

—

16.9 14.5 20.04

3.94 3.38 4.57

97.1 97.1 95.0

3.55 4.14 3.50

(B) (A) (B)

—

22.8 22.8 32.0

Zinc hot dipping steel plate

380

1050

600

57

Finned tube

Centrifugal fan

55 55 58

2
600
100

50 – 250

None (Arranged locally)

Remote controller
49 49 50
64 64 65

15.9

9.5

32 (VP25)

– 9 –

∗ : IEC standard, ∗∗ : AS standard

1-1-2. 4-way Air Discharge Cassette Type

<Single type>

Model

Cooling capacity (kW)
Heating capacity (kW)
Power supply

Electrical
characteristics

Appearance

Outer
dimension

Total weight

Heat exchanger

Fan unit Standard air flow H/M/L (m³/min.)

Air filter
Controller (sold separately)
Sound pressure level H/M/L (dB•A)

Sound power level H/M/L (dB•A)

Connecting pipe Liquid side (mm)

Indoor unit RAV­Outdoor unit RAV-

Running current (A)
Power consumption (kW)

Cooling

Heating

Maximum current (A)
Main unit

Ceiling panel
(Sold separately)

Main unit Width (mm)

Ceiling panel
(Sold separately)

Main unit (kg)
Ceiling panel (Sold separately) (kg)

Fan

Motor (W)

Power factor (%)
EER
Energy efficiency class ∗
Energy rating ∗∗
Running current (A)
Power consumption (kW)
Power factor (%)
COP
Energy efficiency class ∗
Energy rating ∗∗

Model

Panel color
Height (mm)

Depth (mm)
Height (mm)
Width (mm)
Depth (mm)

Gas side (mm)

Drain port (mm)

SM1604UT-E

SM1603AT(Z)(ZG)-E

14.0

16.0

1 phase 230V (220 – 240V) 50Hz

21.38 – 19.69

4.49
95

3.12

(B)

—

21.20 – 19.43

4.43
95

3.61

(A)

—

29.7

Zinc hot dipping steel plate

RBC-U31PG (W, WS)-E,

RBC-U31PGS (W, WS)-E

W: Moon-white (2.5GY 9.0/0.5),

WS: Stripe-white (2.5GY 9.0/0.5 (Gray: 8B 3/0.3))

319
840
840

30

950
950

24

4.2

Finned tube

Turbo fan

35.5 / 25 / 21
72

Standard filter attached (Long life filter)

RBC-AMT32E, AMS41E,

AS21E2, AX31U (W)-E

45 / 40 / 36
60 / 55 / 51

15.9

9.5

32 (VP25)

– 10 –

∗ : IEC standard, ∗∗ : AS standard

<Twin type>

Indoor unit 1 RAV- SM804UT-E

Model Indoor unit 2 RAV- SM804UT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Indoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Running current (A) 21.48 – 19.69
Power consumption (kW) 4.49

Cooling Power factor (%) 95

EER 3.12

Electrical
characteristics

Heating Power factor (%) 95

Fan Turbo fan

Fan unit Standard air flow H/M/L (m³/min.) 20.5 / 16.0 / 13.5

Motor (W) 20
Sound pressure level H/M/L (dB•A) 35 / 31 / 28
Sound power level H/M/L (dB•A) 50 / 46 / 43

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5

Min. length (m) 5
Refrigerant

pipe

Max. total length (m) 50

Height

difference

Energy efficiency class ∗ (B)
Running current (A) 21.20 – 19.43
Power consumption (kW) 4.43

COP 3.61
Energy efficiency class ∗ (A)

Outdoor unit

Outdoor lower (m) 30
Outdoor higher (m) 30

Fan Propeller fan
Fan unit Standard air flow volume (m³/min.) 103

Motor (W) 100 + 100

Gas side
Connecting

pipe

Liquid side

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Main (mm) 15.9
Sub (mm) 15.9
Main (mm) 9.5
Sub (mm) 9.5

– 11 –

∗ : IEC standard

<Triple type>

Indoor unit 1 RAV- SM564UT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Indoor unit 2 RAV- SM564UT-E

Indoor unit 3 RAV- SM564UT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 21.48 – 19.69
Power consumption (kW) 4.49

Cooling Power factor (%) 95

EER 3.12
Energy efficiency class ∗ (B)
Running current (A) 21.20 – 19.43
Power consumption (kW) 4.43

Heating Power factor (%) 95

COP 3.61
Energy efficiency class ∗ (A)

Fan Turbo fan
Fan unit Standard air flow H/M/L (m³/min.) 17.5 / 14.5 / 13.0

Motor (W) 14
Sound pressure level H/M/L (dB•A) 32 / 29 / 28
Sound power level H/M/L (dB•A) 47 / 44 / 43

Outdoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5

Min. length (m) 5
Refrigerant

pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Max. total length (m) 50

Height

difference

Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Outdoor lower (m) 30
Outdoor higher (m) 30

Main (mm) 15.9
Sub (mm) 12.7
Main (mm) 9.5

Sub (mm) 6.4
Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

– 12 –

∗ : IEC standard

1-1-3. Concealed Duct Type

<Twin type>

Indoor unit 1 RAV- SM802BT-E

Model Indoor unit 2 RAV- SM802BT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Indoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Running current (A) 24.50 – 22.46

Power consumption (kW) 5.12

Cooling Power factor (%) 95

EER 2.73
Electrical

characteristics

Heating Power factor (%) 95

Fan Centrifugal fan
Standard air flow H/M/L (m³/min.) 19.0 / 16.2 / 13.3

Fan unit Motor (W) 120

External
static pressure

Sound pressure level H/M/L (dB•A) 40 / 37 / 34
Sound power level H/M/L (dB•A) 55 / 52 / 49

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5

Min. length (m) 5
Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Max. total length (m) 50

Height

difference

Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Energy efficiency class ∗ —
Running current (A) 22.44 – 20.57
Power consumption (kW) 4.69

COP 3.41
Energy efficiency class ∗ —

Standard (at shipment) (Pa) 40
Set up for tap exchange (Pa) 20 / 40 / 70 / 100

Outdoor unit

Outdoor lower (m) 30
Outdoor higher (m) 30

Main (mm) 15.9
Sub (mm) 15.9
Main (mm) 9.5
Sub (mm) 9.5

– 13 –

∗ : IEC standard

<Triple type>

Indoor unit 1 RAV- SM562BT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Fan unit Motor (W) 120

Sound pressure level H/M/L (dB•A) 40 / 37 / 33
Sound power level H/M/L (dB•A) 55 / 52 / 48

Power supply 1 phase 230V (220 – 240V) 50Hz

Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Indoor unit 2 RAV- SM562BT-E

Indoor unit 3 RAV- SM562BT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 24.50 – 22.46
Power consumption (kW) 5.12

Cooling Power factor (%) 95

EER 2.73
Energy efficiency class ∗ —
Running current (A) 22.44 – 20.57
Power consumption (kW) 4.69

Heating Power factor (%) 95

COP 3.41

Energy efficiency class ∗ —
Fan Centrifugal fan
Standard air flow H/M/L (m³/min.) 13.0 / 11.9 / 9.8

External static pressure (Factory setting) (Pa) 40
External static pressure (Pa) 20 / 40 / 70 / 100

Outdoor unit

Standard length (m) 7.5
Min. length (m) 5
Max. total length (m) 50

Height
difference

Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Outdoor lower (m) 30

Outdoor higher (m) 30

Main (mm) 15.9

Sub (mm) 12.7

Main (mm) 9.5

Sub (mm) 6.4

– 14 –

∗ : IEC standard

1-1-4. Under Ceiling Type

<Twin type>

Indoor unit 1 RAV- SM802CT-E

Model Indoor unit 2 RAV- SM802CT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Indoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Running current (A) 23.88 – 21.89

Power consumption (kW) 4.99
Cooling Power factor (%) 95

EER 2.81

Electrical
characteristics

Heating Power factor (%) 95

Fan Centrifugal fan

Fan unit Standard air flow H/M/L (m³/min.) 18.5 / 16.7 / 14.6

Motor (W) 60

Sound pressure level H/M/L (dB•A) 38 / 36 / 33
Sound power level H/M/L (dB•A) 53 / 51 / 48

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5
Min. length (m) 5

Refrigerant
pipe

Max. total length (m) 50
Height

difference

Energy efficiency class ∗ —

Running current (A) 22.44 – 20.57

Power consumption (kW) 4.69

COP 3.41

Energy efficiency class ∗ —

Outdoor unit

Outdoor lower (m) 30

Outdoor higher (m) 30
Fan Propeller fan

Fan unit Standard air flow volume (m³/min.) 103

Motor (W) 100 + 100

Gas side

Connecting
pipe

Liquid side

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Main (mm) 15.9

Sub (mm) 15.9

Main (mm) 9.5

Sub (mm) 9.5

– 15 –

∗ : IEC standard

<Triple type>

Indoor unit 1 RAV- SM562CT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Indoor unit 2 RAV- SM562CT-E
Indoor unit 3 RAV- SM562CT-E
Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 23.88 – 21.89

Power consumption (kW) 4.99
Cooling Power factor (%) 95

EER 2.81

Energy efficiency class ∗ —

Running current (A) 22.44 – 20.57

Power consumption (kW) 4.69
Heating Power factor (%) 95

COP 3.41

Energy efficiency class ∗ —
Fan Centrifugal fan

Fan unit Standard air flow H/M/L (m³/min.) 13.0 / 11.2 / 10.0

Motor (W) 60

Sound pressure level H/M/L (dB•A) 36 / 33 / 30
Sound power level H/M/L (dB•A) 51 / 48 / 45

Outdoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5
Min. length (m) 5

Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Max. total length (m) 50
Height

difference
Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Outdoor lower (m) 30

Outdoor higher (m) 30

Main (mm) 15.9

Sub (mm) 12.7

Main (mm) 9.5

Sub (mm) 6.4

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

– 16 –

∗ : IEC standard

1-1-5. High Wall T ype

<Twin type>

Indoor unit 1 RAV- SM802KRT-E

Model Indoor unit 2 RAV- SM802KRT-E

Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Indoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Running current (A) 24.40 – 22.37

Power consumption (kW) 5.10
Cooling Power factor (%) 95

EER 2.75

Electrical
characteristics

Heating Power factor (%) 95

Fan Cross flow fan

Fan unit Standard air flow H/M/L (m³/min.) 18.5 / 14.6 / 12.2

Motor (W) 30

Sound pressure level H/M/L (dB•A) 45 / 41 / 36
Sound power level H/M/L (dB•A) 60 / 56 / 51

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5
Min. length (m) 5

Refrigerant
pipe

Max. total length (m) 50
Height

difference

Energy efficiency class ∗ —

Running current (A) 23.83 – 21.84

Power consumption (kW) 4.98

COP 3.21

Energy efficiency class ∗ —

Outdoor unit

Outdoor lower (m) 30

Outdoor higher (m) 30
Fan Propeller fan

Fan unit Standard air flow volume (m³/min.) 103

Motor (W) 100 + 100

Gas side

Connecting
pipe

Liquid side

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Main (mm) 15.9

Sub (mm) 15.9

Main (mm) 9.5

Sub (mm) 9.5

– 17 –

∗ : IEC standard

<Triple type>

Indoor unit 1 RAV- SM562KRT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Indoor unit 2 RAV- SM562KRT-E
Indoor unit 3 RAV- SM562KRT-E
Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 24.40 – 22.37

Power consumption (kW) 5.10
Cooling Power factor (%) 95

EER 2.75

Energy efficiency class ∗ —

Running current (A) 23.83 – 21.84

Power consumption (kW) 4.98
Heating Power factor (%) 95

COP 3.21

Energy efficiency class ∗ —
Fan Cross flow fan

Fan unit Standard air flow H/M/L (m³/min.) 14.0 / 12.5 / 10.7

Motor (W) 30

Sound pressure level H/M/L (dB•A) 39 / 36 / 33
Sound power level H/M/L (dB•A) 54 / 51 / 48

Outdoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5
Min. length (m) 5

Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Max. total length (m) 50
Height

difference
Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Outdoor lower (m) 30

Outdoor higher (m) 30

Main (mm) 15.9

Sub (mm) 12.7

Main (mm) 9.5

Sub (mm) 6.4

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

– 18 –

∗ : IEC standard

1-1-6. Compact 4-way Cassette (600 × 600) Type

<Triple type>

Indoor unit 1 RAV- SM562MUT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Indoor unit 2 RAV- SM562MUT-E
Indoor unit 3 RAV- SM562MUT-E
Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 23.88 – 21.89

Power consumption (kW) 4.99
Cooling Power factor (%) 95

EER 2.81

Energy efficiency class ∗ —

Running current (A) 22.44 – 20.57

Power consumption (kW) 4.69
Heating Power factor (%) 95

COP 3.41

Energy efficiency class ∗ —
Fan Turbo fan

Fan unit Standard air flow H/M/L (m³/min.) 13.3 / 11.2 / 9.1

Motor (W) 60

Sound pressure level H/M/L (dB•A) 43 / 39 / 34
Sound power level H/M/L (dB•A) 58 / 54 / 49

Outdoor unit

Power supply 1 phase 230V (220 – 240V) 50Hz

Standard length (m) 7.5
Min. length (m) 5

Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Max. total length (m) 50
Height

difference
Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Outdoor lower (m) 30

Outdoor higher (m) 30

Main (mm) 15.9

Sub (mm) 12.7

Main (mm) 9.5

Sub (mm) 6.4

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

– 19 –

∗ : IEC standard

1-1-7. Slim Duct Type

<Triple type>

Indoor unit 1 RAV- SM564SDT-E

Model

Cooling capacity (kW) 14.0
Heating capacity (kW) 16.0

Power supply 1 phase 230V (220 – 240V) 50Hz

Electrical
characteristics

Fan unit Motor (W) 60

Sound
pressure level

Sound
power level

Power supply 1 phase 230V (220 – 240V) 50Hz

Refrigerant
pipe

Fan unit Standard air flow volume (m³/min.) 103

Connecting
pipe

Sound pressure level Cooling/Heating (dB•A) 51 / 53
Sound power level Cooling/Heating (dB•A) 68 / 70

Indoor unit 2 RAV- SM564SDT-E
Indoor unit 3 RAV- SM564SDT-E
Outdoor unit RAV- SM1603AT(Z)(ZG)-E

Indoor unit

Running current (A) 23.88 – 21.89

Power consumption (kW) 4.99
Cooling Power factor (%) 95

EER 2.81

Energy efficiency class ∗ —

Running current (A) 22.44 – 20.57

Power consumption (kW) 4.69
Heating Power factor (%) 95

COP 3.41

Energy efficiency class ∗ —
Fan Centrifugal fan
Standard air flow H/M/L (m³/min.) 13.0 / 11.3 / 9.7

External
static pressure

Under air inlet H/M/L (dB•A) 45 / 40 / 36
Back air inlet H/M/L (dB•A) 33 / 31 / 28
Under air inlet H/M/L (dB•A) 60 / 55 / 51
Back air inlet H/M/L (dB•A) 48 / 46 / 43

Standard length (m) 7.5
Min. length (m) 5
Max. total length (m) 50

Height
difference

Fan Propeller fan

Motor (W) 100 + 100

Gas side

Liquid side

Standard (at shipment) (Pa) 10

Set up for tap exchange (Pa) 10 / 20 / 35 / 50

Outdoor unit

Outdoor lower (m) 30

Outdoor higher (m) 30

Main (mm) 15.9

Sub (mm) 12.7

Main (mm) 9.5

Sub (mm) 6.4

– 20 –

∗ : IEC standard

1-2. Outdoor Unit

Model name
Power supply

Type

Compressor Motor (kW)

Pole
Refrigerant charged (kg)
Refrigerant control

Standard length (m)

Min. length (m)

Inter
connecting pipe

Max. total length (m)

Additional refrigerant charge

under long piping connector

Height

difference

Height (mm)

Outdoor lower (m)
Outdoor higher (m)

RAV-SM1603AT(Z)(ZG)-E

1 phase 230V (220 – 240V) 50Hz

Hermetic compressor

3.75
4

3.1

Pulse motor valve

7.5
5

50

40g/m

(31m to 50m)

30
30

1340

Outer dimension Width (mm)

Depth (mm)
Appearance
Total weight (kg)
Heat exchanger

Fan
Fan unit Standard air flow (m³/h)

Motor (W)

Gas side (mm)
Connecting pipe

Liquid side (mm)
Sound pressure level Cooling/Heating (dB•A)
Sound power level Cooling/Heating (dB•A)
Outside air temperature, Cooling (°C)
Outside air temperature, Heating (°C)

900
320

Silky shade (Muncel 1Y8.5/0.5)

99

Finned tube

Propeller fan

103

100 + 100

15.9

9.5
51 / 53
68 / 70

43 to –15
15 to –15

– 21 –

1-3. Operation Characteristic Curve

• Operation characteristic curve

RAV-SM1603A T-E, RAV -SM1603ATZ-E, RAV-SM1603ATZG-E

<Cooling> <Heating>

25

23.7
22

20
18
16
14
12

Current (A)

10

8
6
4
2
0

0 204060

Compressor speed (rps)

• Conditions

Indoor : DB27°C/WB19°C
Outdoor : DB35°C
Air flow : High
Pipe length : 7.5m
230V

79 100 120

28.2
26

24
22
20
18
16

14
12
10

8
6
4
2

30

28.2
26

24
22
20
18
16
14

Current (A)

12
10

8
6
4
2
0

0 204060

Compressor speed (rps)

• Conditions

Indoor : DB20°C
Outdoor : DB7°C/WB6°C
Air flow : High
Pipe length : 7.5m
230V

78.6 100 120

• Capacity variation ratio according to temperature

RAV-SM1603A T-E, RAV -SM1603ATZ-E, RAV-SM1603ATZG-E

<Cooling> <Heating>

105

100

95

90

85

80

75

70

Capacity ratio (%)

65

60

55

50

32 33 34 35 36 37 38 39

• Conditions

Indoor : DB27°C/WB19°C
Indoor air flow : High
Pipe length : 7.5m

40

41 42 43

120
110
100

90
80
70
60
50

Capacity ratio (%)

40
30
20
10

0

-14-12-10-8-6-4-20246810

• Conditions
Indoor : DB20°C
Indoor air flow : High
Pipe length : 7.5m

Outdoor temp. (°C)

Outdoor temp. (°C)

– 22 –

2. CONSTRUCTION VIEWS (EXTERNAL VIEWS)

2-1. Indoor Unit

RAV-SM1403DT-A, RAV-SM1603DT-A

Service work space

200

or more

704
664
600(52) (52)

Check port

400 × 800

Plug
(Port for check
and clean)

200

Drain trap

Drain pipe

Adhesive inhibited

3-M5 hole for drain pump kit

1300 or more

Air flow Air flow

1050

(900)(95)

950 (Bolt pitch) (50)(50)

100

or more

50

or more

Refrigerant piping (3/8” (Ø9.52))

Refrigerant piping (5/8” (Ø15.88))

25

145145 20

25

490

600

Electric parts box Drain port (Outer diameter: Ø32)

(915)

(36)

(53)

(72)

Refrigerant piping (5/8” (Ø15.88))

Refrigerant piping (3/8” (Ø9.52))

Drain port (Outer diameter: Ø32)

380

97 50 42

(30)

48

Hung-up plate

965 (Bolt pitch) (35)(50)

(111) 854 (85)

12

30

50

32

52

271 (28)81

Flange (Air outlet side) Flange (Air inlet side)

20

276

(Inside)

25 25

12

20

256 256271

65 65

757 (Inside)

807

11 × 65 = 715

24-Ø5 hole
(Include in the other side)

8-Ø7 hole

10-Ø5 hole
(Include in the other side)

10296

316

4 × 60 = 240

60

15

10

12 25 67.5 250 250

15

25

– 23 –

10-Ø5 hole
(Include in the other side)8-Ø7 hole

274

(Inside)

20 20

25 25

845 (Inside)

885

11 × 65 = 715

24-Ø5 hole
(Include in the other side)

250 67.5

300

15

324

25

4 × 60 = 240

60

365 17.5

17.5

Drain hole (Ø28 × 88)

128

118

74

Air inlet port

380

200 60

Air inlet

port

75

Air outlet
port

383

150 600

46

70

Drain hole (Ø25)

34

170

A legs

B legs

48

39
96

Mounting bolt hole
(Ø12 × 17 long hole)

54

40

40

Details of A legs Details of B legs

12

Name Note

Refrigerant piping hole

1

Indoor/Outdoor unit
connecting wire inlet hole

2

Power supply inlet hole Ø38 Kockout hole

Mounting bolt hole
(Ø12 × 17 U-shape hole)

——

2-2. Outdoor Unit

RAV-SM1603A T-E, RAV -SM1603ATZ-E, RAV-SM1603ATZG-E

52

– 24 –

121 53453485

655

360

70 74581 581

60
68 518 135 151 12

83 7

178

327 400

900

550

Refrigerant pipe
connecting port
(Ø9.5 flare at liquid side)

Refrigerant pipe
connecting port
(Ø15.9 flare at gas side)

30

2

1

605

613

155

55 95

178 178 80 18 8018

2

1 1

95
55

94

320

1340

24

55 95

64

Z views

65 7

Knockout for downward piping

Z

Unit : mm

RBC-TWP30E2, RBC-TWP50E2 (Simultaneous Twin)

Inner diameter Ø C

B

Inner

diameter Ø D

Model (RBC-)

TWP30E2

TWP50E2

Liquid side
Gas side
Liquid side
Gas side

Inner

diameter Ø D

A

ABCD

36 14 Ø9.5 Ø6.4
43 23 Ø15.9 Ø12.7
34 14 Ø9.5 Ø9.5
44 21 Ø15.9 Ø15.9

– 25 –

RBC-TRP100E (Simultaneous Triple)

<Gas side>

Header assembly

300

Inner diameter Ø25.4Inner diameter Ø12.7

<Liquid side>

Branch pipe assembly

35

80 80100

Inner diameter
Ø15.9

100

80 80100

Inner diameter
Ø9.52

Insulator

Gas side socket Liquid side socket

Ø15.9

28

10

Ø12.7

Ø15.9

(External

diameter)

46

12

6

24

Ø25.4

(External

diameter)

Ø6.4

Ø9.5

(External

diameter)

100

Ø9.5

9

26

Ø12.7

(External

diameter)

3 pcs. 3 pcs.1 pc. 1 pc.

– 26 –

3. SYSTEMATIC REFRIGERATING CYCLE DIAGRAM

3-1. Indoor Unit

<Indoor unit to be connected to RAV-SM1403DT-A, RAV-SM1603DT-A>

• Single type (Combination of one indoor unit and one outdoor unit)

Distributor
(Strainer
incorporated)

TC sensor

Refrigerant pipe
at liquid side ØB

Indoor unit

TCJ sensor

Air heat

exchanger

Heating
Cooling

Refrigerant pipe
at gas side ØA

To outdoor unitTo outdoor unit

Dimension table Capillary tube specifications

Indoor unit

SM140, 160 type

Outer diameter of refrigerant pipe

Gas side ØA Liquid side ØB

15.9 9.5

Model

RAV-SM∗∗∗DT

SM140, 160 type

Inner dia. × Length × Q’ty

Ø2 × 200 × 3, Ø2 × 300 × 1
Ø2 × 350 × 2, Ø2 × 400 × 1

– 27 –

<Indoor unit to be connected to RAV-SM1603AT-E, RAV-SM1603ATZ-E, RAV-SM1603ATZG-E>

• Single type
(Combination of one indoor unit and
one outdoor unit)

Distributor
(Strainer
incorporated)

TC sensor

Refrigerant pipe
at liquid side
Outer diameter Ø9.5

Heating
Cooling

• Twin type (Combination of two indoor units and one outdoor unit)

Distributor
(Strainer
incorporated)

TC sensor

Indoor A unit

TCJ sensor

Air heat

exchanger

Distributor
(Strainer
incorporated)

TC sensor

Indoor unit

TCJ sensor

Air heat

exchanger

Refrigerant pipe
at gas side
Outer diameter Ø15.9

To outdoor unitTo outdoor unit

Indoor B unit

TCJ sensor

Air heat

exchanger

Refrigerant pipe
at liquid side
Outer diameter Ø6.4

Branch pipe

Refrigerant pipeat liquid side
Outer diameter Ø9.5

To outdoor unit

Refrigerant pipe
at gas side
Outer diameter Ø12.7

Refrigerant pipe
at liquid side
Outer diameter Ø6.4

Refrigerant pipeat gas side

Outer diameter Ø15.9
Heating
Cooling

• Triple type (Combination of three indoor units and one outdoor unit)

Distributor
(Strainer
incorporated)

TC sensor

Refrigerant pipe
at liquid side
Outer diameter
Ø6.4

Indoor A unit

TCJ sensor

Air heat

exchanger

Refrigerant pipe
at gas side
Outer diameter
Ø12.7

Distributor
(Strainer
incorporated)

TC sensor

Refrigerant pipe
at liquid side
Outer diameter
Ø6.4

Indoor B unit

TCJ sensor

Air heat

exchanger

Refrigerant pipe
at gas side
Outer diameter
Ø12.7

Distributor
(Strainer
incorporated)

TC sensor

Refrigerant pipe
at liquid side
Outer diameter
Ø6.4

Refrigerant pipe
at gas side
Outer diameter Ø12.7

Branch pipe

To outdoor unit

Indoor C unit

TCJ sensor

Air heat

exchanger

Refrigerant pipe
at gas side
Outer diameter
Ø12.7

Refrigerant
pipeat liquid side
Outer diameter Ø9.5

To outdoor unit

Distributor

Heating
Cooling

– 28 –

Distributor

Refrigerant
pipeat gas side
Outer diameter Ø15.9

To outdoor unit

3-2. Outdoor Unit

Muffler

RAV-SM1603A T-E, RAV -SM1603ATZ-E, RAV-SM1603ATZG-E

Accumulator

(2500cc)

TS sensor

Check joint

Cooling: High pressure
Heating: Low pressure

TD sensor

Rotary compressor

(DA422A3F-25M)

Muffler

Muffler

Ø25 × L210

TO sensor

Heat exchanger

Ø8, 2 rows, 52 stages

FP1.45, flat fin

In cooling operation
In heating operation

Ø25 × L180

TE sensor

Distributor

Strainer

PMV

Strainer

Capillary
Ø4 ×Ø3 (6 pcs.)

Refrigerant pipe
at liquid side Ø9.5
Packed valve

Refrigerant pipe
at gas side Ø15.9
Ball valve

Cooling: Low pressure

Heating: High pressure

Systematic Diagram of Refrigerating Cycle

* This compressor has 4-pole motor.

The value when compressor frequency (Hz) is measured by a clamp meter becomes 2 times of No. of
compressor revolutions (rps).

Standard

Cooling Overload

Low load
Standard

Heating Overload

Low load

Pressure

(MPa) (kg/cm²g)

Pd Ps Pd Ps

2.85 0.83 29.1 8.5

3.41 1.04 34.8 10.6

2.08 0.54 21.2 5.5

2.82 0.66 28.7 6.7

2.44 1.13 24.9 11.5

2.32 0.25 23.7 2.5

Discharge Suction

Pipe surface temperature (°C)

Indoor heat Outdoor heat

exchanger exchanger

(TD) (TS) (TC) (TE)

80 11 9 39
84 14 15 49
54 5 8 37
83 3 46 2
82 18 55 15
88 –20 38 –16

Compressor

drive revolution

frequency

(rps)

65
56
30
62
32
84

Indoor

fan

HIGH
HIGH

LOW

HIGH

LOW

HIGH

Indoor/Outdoor

temp. conditions

Indoor Outdoor

27/19 35/–
32/24 43/–

18/15.5 –15/–

(DB/WB) (°C)

20/– 7/6
30/– 24/18
15/––15/–

– 29 –

4-1. Indoor Unit

RAV-SM1403DT-A, RAV-SM1603DT-A

4. WIRING DIAGRAM

Earth

screw

Earth
screw

Power supply
220–240V~, 50Hz

Outdoor unit

8

Relay

43F3

7

Noise absorber

RED WHI BLK

1 2

1 2 3

WHIRED

Serial

L N

signal

8

Relay

43F2

7

Noise absorber

8

Relay

43F1

7

Noise absorber

WHIWHIWHI

1

BLKBLK

A B

A B

Wired

remote controller

3P Connector (RED)
(At the time of shipment)

RED

WHI

RED

BRW

RED WHI

L N

3

Earth

screw

RC

Overheating protection switch

Power supply
220–240V~, 50Hz
(Only use twin setting)

For twin setting,

please reconnect this 3P connector

to the R-S terminal 3P connector.

Internal wiring part of fan motor

BLK

WHI
GRY
RED

49F

YEL
BLU

ORN

WHI

CN083 (WHI)

1
3

1
3

1 1
3 3
5 5

1
2

1
2
313

Fuse (T10A, 250V~)

RY004

CN034 (GRY)

CN309

(YEL)

Fuse

(T5A, 250V~)

CN067

(BLK)

CN066

(WHI)

CN041

(BLU)

CN51

(RED)

3P Connector (RED)
(At the time of twin setting)

CN050

1 2 3 4 5

1 2 3 4 5
1 2

P.C. board

for TCC-LINK

(MCC-1440)

CN40
(BLU)

U3 U4

Relay terminal

Option

YEL
BLU

ORN

Fan

(WHI)

(Normal)

99775 331

RY007

3 4 5

1 2
1 2

BRW BRW

BRW

WHI

1 3 4 5 6 9
1 3 4 5 6 7 9

WHI

1

HMLUL

RY006 RY002 RY001

RY005

Power supply

circuit

CN074

(WHI)

3

113

CN01
(WHI)

TR

WHI

1 2 3 4 5 6

BLK

WHI

1 2 3 4 5 6
1 2 3 4 5 6

P.C. board

(MCC-1520)

1 2 3 4 5 6
1 2 3 4 5 6

BRW

2

RC

GRY

(WHI)
(WHI)

YEL

BLK

BLU

RED

ORN

GRY

FM

DP

DP

CN033

CN068

(GRN)

(BLU)

113 1 3 1 2 3

P.C. board

(MCC-1403)

CN075

(WHI)

6

RED

RED

ORN

ORN

CN02
(YEL)

RED

ORN

WHI

RED

YEL

WHI

1 3 4 5 7 9

(High satatic pressure)

Symbol

FM
RC
TR

TA

TC, TCJ

49F
RY002
RY005
RY006
RY007

43F1, 2, 3

Fuse
Fuse

CS
DP

CN061

(YEL)

1 2 3 4 5 61 2 3 4 51 2 3 4 5

1. indicates the terminal board and
the number indicates the terminal number.

2. The dashed line indicates wiring at the local site.

3. indicates P.C. board.

4. When install Drain Pump. please connect
Float Switch Connector to Connector CN030.

5. When changing external static pressure,
please reconnect Fan Motor connecter (WHI)
to high static pressure connector (RED).

65

Relay

43F3

43

YEL

GRY

Fan motor
Running capacitor
Power transformer
Indoor temp. sensor
Indoor heat exchanger sensor
Overheating protection switch (OFF: 135°C)
Relay for drain pump motor

Relay for fan motor

T10A, 250V~
T5A, 250V~ (On P.C. board (MCC-1403))

Optional parts

Float switch
Drain pump motor

WHI

1 33

CN104

(YEL)

CN102

(RED)

CN101

(BLK)

CN080

(GRN)

CN073

(RED)

CN070

(WHI)

CN060

(WHI)

CN032

(WHI)

1 2

(Fan drive)

Color Identification

RED : RED
WHI : WHITE
BLK : BLACK
YEL : YELLOW
BLU : BLUE

65

Relay

43

BLU

BLU

(RED)

Parts name

CS

CN030

(RED)

121

2

TCJ

121

2

121

2
1

2
3

Outside

( )

error input

1

(EXCT)

2
1

(Filter)

2
6

5
4

Option

3
2
1

GRY : GRAY
ORN : ORANGE
BRW : BROWN
GRN : GREEN

REDRED

65

43F2

3

4

ORN

BLK

Closed-end

connector

TA

TC

Relay

43F1

BLK

– 30 –