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 '15 • SRK-T-175

Necessary tools for the installation work

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5

6

7

8

9

10

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12

13

1

1

1

1

1

1

Q’ty

Locally procured parts

Sealing plate

Sleeve

Inclination plate

Putty

Drain hose (extension hose)
Piping cover

(for insulation of connection piping)

Plus  headed  driver

Knife

Saw

Tape  measure

Hammer

Spanner wrench

Torque wrench

Hole core drill (65mm  in diameter)

Wrench key (Hexagon) [4m/m]

Flaring tool set

Gas leak detector

Pipe bender

Gauge for projection adjustment

  Used when flare is made by using

  conventional flare tool

(

)

(                                                  )

14.0 ~ 82.0N·m

(1.4 ~ 8.2kgf·m)

(

Designed specifically

for R410A

)

BEFORE INSTALLATION

Before installation check that the power source matches the 

   air-conditioner.

R410A REFRIGERANT USED

WALL TYPE AIR-CONDITIONER

INSTALLATION MANUAL FOR INDOOR UNIT

RLD012A001

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1

1

10

2

2

2

Q’ty

Standard accessories (Installation kit)

Accessories for indoor unit

Installation board

(Attached to the rear of the indoor unit)

Wireless remote control

Remote control holder

Battery [R03 (AAA, Micro) 1.5V]

Air-cleaning filters

2

1

Insulation (#486 50 x 100 t3)

Filter holders

Tapping screws 

(for installation board ø4 X 25mm)
Wood screws

(for remote control holder ø3.5 X 16mm)

1

2

3

4

5

6

7

8

9

(

)

Designed specifically

for R410A

INSTALLATION SPACE (INDOOR UNIT)

(FRONT VIEW)

Relation between setting plate and indoor unit

5 cm minimum

from the wall

15 cm minimum

from the wall

Installation board

Sleeve (sold separately)

10 cm minimum from the ceiling

[Drain hose changing procedures]

1. Remove the drain hose

2. Remove the drain cap.

Remove it with hand or pliers.

Remove the screw and drain hose, 

making it rotate.
3. Insert the drain cap.

4. Connect the drain hose.

Insert the drain cap which was removed 

at procedure “2” securely using a 

hexagonal wrench etc.

Note: Be careful that If it is not inserted 

securely, water leakage may occur.

Insert the drain hose securely, making 

rotate. And install the screw.

Note: Be careful that If it is not inserted 

securely, water leakage may occur.

CAUTION

Completely seal the hole on 

the wall with putty. Otherwise, 

furniture, or other, may be 

wetted by leaked water or 

dewing.

putty

putty

Indoor side

Outdoor side

Piping in the left direction

Piping in the right rear direction

Piping in the left rear direction

Piping in the right direction

Piping is possible in the rear, left, left rear, left downward, right or downward direction.

Right

Rear

Downward

Left

rear

Left downward

Left

Installing the support of piping
In case of piping in the right rear direction

Sufficient care must be taken not to damage 

the panel when connecting pipes.

[Top view]

When drilling the wall that contains a metal lath, wire lath or metal plate, be sure to use pipe hole sleeve sold separately.

• Matters of special notice when piping from left or central/rear of the unit.

Left-hand-side piping

Right-hand-side piping

Drilling of hole and fixture of sleeve (Locally procured parts)

Shaping of pipings

Taping of the exterior

Pipings

Drain hose

Top

Thickness of the wall + 1.5cm

5

ø65

Indoor side

Outdoor side

Indoor side

Outdoor side

Installed state

Turn to

tighten

b

b

c

a

In case of rear piping draw out, cut off the lower 

and the right side portions of the sleeve collar.

Drill a hole with whole core drill.

Hold the bottom of the 

piping and fix direction 

before stretching it and 

shaping it.

Tape only the portion that 

goes through the wall.

Always tape the wiring 

with the piping.

180 cm minimum from the floor

screw

cap

(Unit : mm)

SELECTION OF INSTALLATION LOCATION

INSTALLATION OF INDOOR UNIT

Indoor unit

(Install at location that meets the following conditions, after getting approval from the customer)

 Where there is no obstructions to the air flow and where the cooled and heated air can be evenly distributed.

 A solid place where the unit or the wall will not vibrate.

 A place where there will be enough space for servicing. (Where space mentioned below can be secured)

 Where wiring and the piping work will be easy to conduct.

 The place where receiving part is not exposed to the direct rays of the sun or the strong rays of the street lighting.

 A place where it can be easily drained.

 A place separated at least 1m away from the television or the radio. (To prevent interference to images and sounds.)

 Places where this unit is not affected by the high frequency equipment or electric equipment.

 Avoid installing this unit in place where there is much oil mist.

 Places where there is no electric equipment or household under the installing unit.

 Install the indoor unit on the wall where the height from the floor to the bottom of the unit is more than 1.8m.

Wireless remote control

 A place where the air-conditioner can be received the signal surely during operating the wireless remote control.

 Places where there is no affected by the TV and radio etc.

 Do not place where exposed to direct sunlight or near heat devices such as a stove.

Installation of Installation board

Fixing on concrete wall

Use of nut anchor

Bolt

(M6   12)

Standard

hole

Installation

sample

Indoor unit

Obstacle such 

as curtain

Be sure that the flap 

of outlet should not 

touch any obstacles.

for service

Indoor unit

768

157

214.5

214.5

883

157

53.5

77

150

50

Piping for Liquid 780

Installation board

60

470

363.5

363.5

568.5

568.5

Space

for service

Space

and nut anchor

For bolt anchor

Piping hole (ø65)

Drain hose 759 (ø16)

Piping for Gas 

715 (SRK24/71/80/92/100, DXK24/28/32)

709 (SRK63, DXK21)

Adjustment of the installation board in the horizontal direction is 

to be conducted with eight screws in a temporary tightened state.

Adjust so the board will be level by turning the board with the 

standard hole as the center.

13

cm

Wireless remote control

Remote control holder

Wood screws

Look for the inside wall structures (Intermediate support or pillar 

and firmly install the unit after level surface has been checked.)

768
410

Mating mark for

level surface

WARNING

• Installation must be carried out by the qualified installer.

If you install the system by yourself, it may cause serious trouble such as 

water leaks, electric shocks, fire and personal injury, as a result of a 

system malfunction. Do not carry out the installation and maintenance 

work except the by qualified installer.

• Install the system in full accordance with the installation manual.

Incorrect installation may cause bursts, personal injury, water leaks, 

electric shocks and fire.

• Be sure to use only for household and residence. 

If this appliance is installed in inferior environment such as machine shop 

and etc., it can cause malfunction. 

• Use the original accessories and the specified components for 

installation.

If parts other than those prescribed by us are used, It may cause water 

leaks, electric shocks, fire and personal injury.

• Install the unit in a location with good support.

Unsuitable installation locations can cause the unit to fall resulting in 

material damage and personal injury.

• Ventilate the working area well in the event of refrigerant leakage 

during installation.

If the refrigerant comes into contact with naked flames, poisonous gas is 

produced.

• When installing in small rooms, take prevention measures not to 

exceed the density limit of refrigerant in the event of leakage, 

referred by the formula (accordance with ISO5149). 

If the density of refrigerant exceeds the limit, consult the dealer and 

install the ventilation system, otherwise lack of oxygen can occur, which 

can cause serious accident. 

• After completing installation, check that no refrigerant leaks from 

the system.

If refrigerant leaks into the room and comes into contact with an oven or 

other hot surface, poisonous gas is produced.

• Use the prescribed pipes, flare nuts and tools for R410A.

Using existing parts (for R22 or R407C) can cause the unit failure and 

serious accidents due to burst of the refrigerant circuit.

• 

Tighten the flare nut by torque wrench with specified method.

If the flare nuts were tightened with excess torque, this may cause burst 

and refrigerant leakage after a long period.

• The electrical installation must be carried out by the qualified 

electrician in accordance with “the norm for electrical work” and 

“national wiring regulation”, and the system must be connected to 

the dedicated circuit.

Power source with insufficient capacity and incorrect function done by 

improper work can cause electric shocks and fire.

• Be sure to shut off the power before starting electrical work.

Failure to shut off the power can cause electric shocks, unit failure or 

incorrect function of equipment.

• Be sure to use the cables conformed to safety standard and cable 

ampacity for power distribution work. 

Unconformable cables can cause electric leak, anomalous heat 

production or fire.

• This appliance must be connected to main power source by means 

of a circuit breaker or switch [fuse Model 63(21):16A, Model 71(24), 

80(28), 92, 100:20A] with a contact separation of at least 3mm. 

• When plugging this appliance, a plug conforming to the norm 

IEC60884-1 must be used.

• Use the prescribed cables for electrical connection, tighten the 

cables securely in terminal block and relieve the cables correctly to 

prevent overloading the terminal blocks.

Loose connections or cable mountings can cause anomalous heat 

production or fire.

• Arrange the wiring in the control box so that it cannot be pushed up 

further into the box. Install the service panel correctly.

Incorrect installation may result in overheating and fire.

• Be sure to switch off the power source in the event of installation, 

inspection or servicing.

If the power source is not shut off, there is a risk of electric shocks, unit 

failure or personal injury due to the unexpected start of fan.

• Be sure to wear protective goggles and gloves while at work.

• Earth leakage breaker must be installed.

If the earth leakage breaker is not installed, it can cause electric shocks.

CAUTION

• 

Use the circuit breaker of correct capacity. Circuit breaker should be able to 

disconnect all poles under over current.

Using the incorrect one could cause the system failure and fire.

• Install isolator or disconnect switch on the power source wiring in 

accordance with the local codes and regulations.

The isolator should be locked in OFF state in accordance with EN60204-1.

• 

Be sure to install indoor unit properly according to instruction manual so 

that drainage can run off smoothly.

Improper installation of indoor unit can cause dropping water into the room and 

damaging personal property.

• Install the drainage pipe to run off drainage securely according to the 

installation manual.

Incorrect installation of the drainage pipe can cause dropping water into the room 

and damaging personal property.

• Be sure to install the drainage pipe with descending slope of 1/100 or more, 

and not to make traps and air-bleedings.

Check if the drainage runs off securely during commissioning and ensure the 

space for inspection and maintenance. 

• 

After maintenance, all wiring, wiring ties and the like, should be returned to 

their original state and wiring route, and the necessary clearance from all 

metal parts should be secured.

• Secure a space for installation, inspection and maintenance specified in the 

manual.

Insufficient space can result in accident such as personal injury due to falling 

from the installation place.

• Take care when carrying the unit by hand.

If the unit weights more than 20kg, it must be carried by two or more persons. Do

not carry by the plastic straps, always use the carry handle when carrying the unit

by hand. Use gloves to minimize the risk of cuts by the aluminum fins.

• 

Dispose of any packing materials correctly.

Any remaining packing materials can cause personal injury as it contains nails

and wood. And to avoid danger of suffocation, be sure to keep the plastic 

wrapper away from children and to dispose after tear it up.

• For installation work, be careful not to get injured with the heat exchanger, 

piping flare portion or screws etc.

• Be sure to insulate the refrigerant pipes so as not to condense the ambient 

air moisture on them.

Insufficient insulation can cause condensation, which can lead to moisture 

damage on the ceiling, floor, furniture and any other valuables.

• When perform the air-conditioner operation (cooling or dehumidifying 

operation) in which ventilator is installed in the room. In this case, using the 

air-conditioner in parallel with the ventilator, there is the possibility that 

drain water may backflow in accordance with the room lapse into the 

negative pressure status. Therefore, set up the opening port such as 

incorporate the air into the room that may appropriate to ventilation (For 

example; Open the door a little). In addition, just as above, so set up the 

opening port if the room lapse into negative pressure status due to register 

of the wind for the high rise apartment etc.

• Be sure to perform air tightness test by pressurizing with nitrogen gas after 

completed refrigerant piping work.

If the density of refrigerant exceeds the limit in the event of refrigerant leakage in 

the small room, lack of oxygen can occur,  which can cause serious accidents.

• Do not install the unit in the locations listed below.

• Locations where carbon fiber, metal powder or any powder is floating.
• Locations where any substances that can affect the unit such as sulphide 

gas, chloride gas, acid and alkaline can occur.

• Vehicles and ships.
• Locations where cosmetic or special sprays are often used.
• Locations with direct exposure of oil mist and steam such as kitchen and 

machine plant.

• Locations where any machines which generate high frequency harmonics 

are used.

• Locations with salty atmospheres such as coastlines. 
• Locations with heavy snow (If installed, be sure to provide base flame and 

snow hood mentioned in the manual).

• Locations where the unit is exposed to chimney smoke.
• Locations at high altitude (more than 1000m high).
• Locations with ammonic atmospheres (e.g. organic fertilizer).
• Locations with calcium chloride (e.g. snow melting agent).
• Locations where heat radiation from other heat source can affect the unit.
• Locations without good air circulation.
• Locations with any obstacles which can prevent inlet and outlet air of the unit.
• Locations where short circuit of air can occur (in case of multiple units 

installation).

• Locations where strong air blows against the air outlet of outdoor unit.
• Locations where something located above the unit could fall.
It can cause remarkable decrease in performance, corrosion and damage of 
components, malfunction and fire.

• Do not install the indoor unit in the locations listed below (Be sure to 

install the indoor unit according to the installation manual for each 

model because each indoor unit has each limitation).

•  Locations with any obstacles which can prevent inlet and outlet air of the unit.
•  Locations where vibration can be amplified due to insufficient strength of structure.
• Locations where the infrared receiver is exposed to the direct sunlight or 

the strong light beam (in case of the infrared specification unit).

• Locations where an equipment affected by high harmonics is placed (TV 

set or radio receiver is placed within 1m).

• Locations where drainage cannot run off safely.
It can affect performance or function and etc. 

• Do not install the unit near the location where leakage of

combustible gases can occur.

If leaked gases accumulate around the unit, it can cause fire.

• Do not install the unit where corrosive gas (such as sulfurous acid 

gas etc.) or combustible gas (such as thinner and petroleum gases) 

can accumulate or collect, or where volatile combustible substances 

are handled.

Corrosive gas can cause corrosion of heat exchanger, breakage of plastic 
parts and etc. And combustible gas can cause fire.

• Do not use the indoor unit at the place where water splashes may 

occur such as in laundries.

Since the indoor unit is not waterproof, it can cause electric shocks and fire.

• Do not install nor use the system close to the equipment that 

generates electromagnetic fields or high frequency harmonics.

Equipment such as inverters, standby generators, medical high frequency 
equipments and telecommunication equipments can affect the system, and 
cause malfunctions and breakdowns. The system can also affect medical 
equipment and telecommunication equipment, and obstruct its function or 
cause jamming.

• Do not place any variables which will be damaged by getting wet 

under the indoor unit.

When the relative humidity is higher than 80% or drainage pipe is clogged, 
condensation or drainage water can drop and it can cause the damage of 
valuables.

• Do not install the remote control at the direct sunlight.

It can cause malfunction or deformation of the remote control.

• Do not use the unit for special purposes such as storing foods, 

cooling precision instruments and preservation of animals, plants 

or art.

It can cause the damage of the items.

• Do not use any materials other than a fuse with the correct rating in 

the location where fuses are to be used.

Connecting the circuit with copper wire or other metal thread can cause unit 
failure and fire.

• Do not touch any buttons with wet hands.

It can cause electric shocks.

• Do not touch any refrigerant pipes with your hands when the system 

is in operation.

During operation the refrigerant pipes become extremely hot or extremely cold 
depending the operating condition, and it can cause burn injury or frost injury.

• Do not wash the inside of the air-conditioner.

Water leakage and permanent damage may result. 

  Electrical hazard exists.

• Carry out the electrical work for ground lead with care.

Do not connect the ground lead to the gas line, water line, lightning conductor or telephone line’s ground lead. Incorrect grounding can cause unit 

faults such as electric shocks due to short-circuiting.

• Do not put the drainage pipe directly into drainage channels where 

poisonous gases such as sulphide gas can occur.

Poisonous gases will flow into the room through drainage pipe and 

seriously affect the user’s health and safety. This can also cause the 

corrosion of the indoor unit and a resultant unit failure or refrigerant leak.

• Ensure that no air enters in the refrigerant circuit when the unit is 

installed and removed.

If air enters in the refrigerant circuit, the pressure in the refrigerant circuit 

becomes too high, which can cause burst and personal injury.

• Do not process or splice the power cord, or share the socket with 

other power plugs.

This may cause fire or electric shock due to defecting contact, defecting 

insulation and over-current etc.

• Do not bundle or wind or process the power cord. Do not deform 

the power cord by treading it.

This may cause fire or heating.

• Do not vent R410A into the atmosphere : R410A is a fluorinated 

greenhouse gas, covered by the Kyoto Protocol with Groval 

Warming Potential (GWP)=1975.

• Do not run the unit with removed panels or protections.

Touching rotating equipments, hot surfaces or high voltage parts can 

cause personal injury due to entrapment, burn or electric shocks.

• Do not perform any change of protective device itself or its setup 

condition.

The forced operation by short-circuiting protective device of pressure 

switch and temperature controller or the use of non specified component 

can cause fire or burst.

SAFETY PRECAUTIONS

• Before installation, read the “SAFETY PRECAUTIONS” carefully and strictly 

follow it during the installation work in order to protect yourself.

• The precautionary items mentioned below are distinguished into two levels,

                           and                        .

                           : Wrong installation would cause serious consequences such 

as injuries or death.

                           : Wrong installation might cause serious consequences 

depending on circumstances.

Both mention the important items to protect your health and safety so strictly 

follow them by any means.

• Be sure to confirm no anomaly on the equipment by commissioning after completed

installation and explain the operating methods as well as the maintenance methods

of this equipment to the user according to the owner’s manual. 

• Keep the installation manual together with owner’s manual at a place where 

any user can read at any time. Moreover if necessary, ask to hand them to a 

new user.

• Before starting the installation work, proper precautions (using suitable 

protective clothing, groves etc.) should be taken by qualified installer.

• Pay attention not to fall down the tools, etc. when installing the unit at the 

high position.

• If unusual noise can be heard during operation, consult the dealer.

• The meanings of “Marks” used here are shown as follows:

Never do it under any 

circumstances.

Always do it according to the 

instruction.

CAUTION

WARNING

CAUTION

WARNING

• This installation manual illustrates the method of installing an indoor unit.

• For electrical wiring work, see instructions set out on the backside.

• For outdoor unit installation and refrigerant piping, refer to page 26.

• A wired remote control unit is supplied separately as an option part.

• While installing the unit, be sure to check the selection of installation place, 

power source specifications, usage limitation (piping length, height 

differences between indoor and outdoor units, power source voltage etc.) 

and installation spaces. 

8. APPLICATION DATA

       (1)   Installation of indoor unit

Summary of Contents for SRK63ZR-S

Page 1: ...TECHNICAL MANUAL ANUAL O g s32 4 INVERTER WALL MOUNTED TYPE RESIDENTIAL AIR CONDITIONERS 3PLIT SYSTEM AIR TO AIR HEAT PUMP TYPE 32 2 3 2 3 2 3 ...

Page 2: ...peration control function by wireless remote control 8 Flap and louver control 37 5 Selection of the annual cooling function 36 4 Installing two air conditioners in the same room 35 3 Auto restart function 2 Unit ON OFF button 35 34 11 Silent mode 39 13 Installation location setting 40 12 Night setback 39 14 Outline of heating operation 40 17 Outline of automatic operation 43 16 Outline of dry deh...

Page 3: ...ct capacity Cooling capacity 6 3kW Model name SRK Wall mounted type SRC Outdoor unit R S 72 11 OPTION PARTS 84 12 TECHNICAL INFORMATION 72 78 1 Wired remote control RC E5 2 Interface kit SC BIKN E 3 Superlink E board SC ADNA E 82 6 Service mode Trouble mode access function 54 7 Inspection procedures corresponding to detail of trouble 62 52 4 Troubleshooting procedure If the air conditioner runs 3 ...

Page 4: ... t i t n a u Q y t i l a u Q r e t l i f r i A r o t o m n a f r o f e v e e l s r e b b u R r e b r o s b a n o i t a r b i v k c o h S Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER Yell...

Page 5: ... u Q y t i l a u Q r e t l i f r i A r o t o m n a f r o f e v e e l s r e b b u R r e b r o s b a n o i t a r b i v k c o h S Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER Yellow HI POWE...

Page 6: ...o P y t i t n a u Q y t i l a u Q r e t l i f r i A r o t o m n a f r o f e v e e l s r e b b u R r e b r o s b a n o i t a r b i v k c o h S Rubber sleeve for fan motor compressor r e t a e h c i r t c e l E l o r t n o c e t o m e r s s e l e r i W l o r t n o c e t o m e R t a t s o m r e h t r e t u p m o c o r c i M l o r t n o c e r u t a r e p m e t m o o R Operation display RUN Green TIMER...

Page 7: ...93 Content 䃥65 Outlet for piping on both side G SRK63 䃥 Flare Wireless remote control 65 䃥 5 Flare Wired remote control Option 䃥 Flare Service space Unit Space for installation and service when viewing from the front 3 55 53 55 Service space Service space Service space 65 55 Installation plate Unit mm Note The model name label is attached RQ WKH XQGHUVLGH RI WKH LQGRRU XQLW Outlet for down piping ...

Page 8: ...The height of a wall is 1200mm or less Service panel Slot hole Notes 1 It must not be surrounded by walls on four sides 2 The unit must be fixed with anchor bolts An anchor bolt must not protrude more than 15mm 3 Where the unit is subjected to strong winds lay it in such a direction that the blower outlet face is perpendicular to the dominant wind direction 4 Leave 1m or more space above the unit ...

Page 9: ...pendicular to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the unit s height 6 The model name label is attached on the rear panel Air intake Air intake Air outlet Service space for electrical parts Symbol Content A Service valve connection gas side φ15 88 5 8 Flare B Service valve connection liquid side φ6 35 1 4 Flare C...

Page 10: ...pendicular to the dominant wind direction 4 Leave 1m or more space above the unit 5 A wall in front of the blower outlet must not exceed the unit s height 6 The model name label is attached on the rear panel Air intake Air intake Air outlet Service space for electrical parts Symbol Content A Service valve connection gas side φ15 88 5 8 Flare B Service valve connection liquid side φ6 35 1 4 Flare C...

Page 11: ... 10 15 SRK T 175 3 Remote control a Wireless remote control Unit mm 60 26 167 ...

Page 12: ...100 to 200m 0 5mm2 2 cores 0 75mm2 2 cores 1 25mm2 2 cores 2 0mm2 2 cores Under 300m Under 400m Under 600m Upper part Lower part Lower case Sheath Upper cace Board Wiring Upper Lower X Y Sheath Upper cace Board Wiring Upper Lower Y X Tighten the screws after cutting off the thin part of screw mounting part Embedded mounting Pearl White Exterior appearance Munsell color N8 5 near equivalent The pee...

Page 13: ...EXCHANGER BOARD CIRCUIT PRINTED SM1 LM1 CNX M M M 5 5 LM2 RD WH RD WH BK BL Y Y G BK CNG CNE DISPLAY WIRELESS RECEIVER CNF BACK UP SW 2 8 Th21 Th22 Th1 Th3 CNY Y G CNM 5 Color Marks Blue Black BK Red BL RD White WH Yellow Green Y G Yellow Y Color Mark Heat exchanger sensor Humidity sensor Fan motor Room temp sensor Flap motor Th1 Th21 2 Th3 Diode stack DS Fuse F Connector CNE FMI Terminal block TB...

Page 14: ...4 2 5 SRC71ZR S SRC80ZR S 14 5 17 0 17 0 15 15 1 5mm2 x 4 2 0 2 5 2 5 M BK WH RD V W U PCB ASSY PCB1 M MS TRANSISTOR POWER POWER T 1A L 250V CM FMo W V U P N CNTH CNEEV CNFAN 3 S IN R IN G1 N L 250V 20A F4 2 N Y G C 2 RD CN20S BK WH WH WH F 3 15A L 250V F1 BK 1 3 BK WH Y G Y G RD G2 20S Y G BK SWITCHING CIRCUIT 250V 20A F8 CIRCUIT PAM CIRCUIT PAM Y BL T1 T11 T2 T12 Y BL F3 L1 L2 EEV TH1 TH2 TH3 TE...

Page 15: ...ng 54 dB A Heating 54 dB A Cooling Heating Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Sound Pressure Level dB Standard 2 10 5 Pa 1000 2000 4000 8000 1000 2000 4000 8000 10 20 30 40 50 60 70 63 125 250 500 Mid Octave Band Frequency Hz 10 20 30 40 50 60 70 63 125 250 500 Mid Octave Band Fr...

Page 16: ...5QWPF 2TGUUWTG GXGN F 5VCPFCTF 2C KF 1EVCXG CPF TGSWGPE 0 0 0 0 0 0 0 0 0 0 0 0 Cooling Heating Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low p...

Page 17: ...ioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points Mike position at highest noise level in position as mentioned below Distance from front side 1m Mike position 0 8m 1m Unit Mike position Center Low points 5QWPF 2TGUUWTG GXGN F 5QWPF 2TGUUWTG GXGN F 5VCPFCTF 5VCPFCTF 2C 2C KF 1EVCXG CPF TGSWGPE KF 1EVCXG CPF TGSWGPE 0 0 0 0 0 0 0 0 0 0 0 0 Model SRK8...

Page 18: ...or TH1 EEV Heat exchanger Room temp sensor Th1 Heat exchanger sensor Th21 Accumulator 5 PIPING SYSTEM Model SRK63ZR S Indoor unit Outdoor unit Flare connection Flare connection Liquid pipe 䃥6 35 Gas pipe 䃥15 88 Service valve Heat exchanger Electronic expansion valve Liquid Strainer Muffler Capillary tube Outdoor air temp sensor Muffler Compressor Discharge pipe temp sensor Cooling cycle Heating cy...

Page 19: ...Liquid Strainer Muffler Capillary tube Outdoor air temp sensor Muffler Compressor Discharge pipe temp sensor Cooling cycle Heating cycle Check joint 4way valve Service valve Heat exchanger sensor Th22 TH3 Humidity sensor Th3 Gas TH2 Heat exchanger sensor TH1 EEV Heat exchanger Heat exchanger Room temp sensor Th1 Heat exchanger sensor Th21 Accumulator Model SRK80ZR S ...

Page 20: ...ion factors as follows 0 6 0 7 0 8 0 9 1 0 1 2 1 1 1 3 0 5 10 15 24 26 20 25 30 35 40 46 10 15 20 25 27 Outdoor air W B temperature C W B 15 10 5 0 5 10 15 Cooling operation Outdoor air D B temperature C D B Coefficient of cooling Heating capacity in relation to temperature Heating operation Indoor air D B temperature C D B ISO T1 Standard Condition 1 Coefficient of cooling and heating capacity in...

Page 21: ...outdoor heat exchanger during heating How to obtain the cooling and heating capacity ѳ Piping length m Cooling Heating 7 1 0 1 0 10 0 99 1 0 15 0 975 1 0 20 0 965 1 0 25 0 95 1 0 30 0 935 1 0 Air inlet temperature of outdoor unit in CWB Adjustment coefficient 15 0 95 0 95 0 94 0 93 0 91 0 88 0 86 0 87 0 92 1 00 10 9 7 5 3 1 1 3 5 or more SRK63ZR S 6 3 SRK63ZR S 6 2k ...

Page 22: ...54 6 76 5 49 7 26 5 85 7 50 5 83 7 66 5 77 8 07 6 06 8 38 5 92 32 6 18 5 44 6 57 5 40 7 10 5 79 7 34 5 77 7 51 5 71 7 92 6 01 8 25 5 88 34 5 99 5 35 6 38 5 31 6 93 5 72 7 18 5 70 7 35 5 65 7 78 5 96 8 11 5 84 36 5 80 5 26 6 18 5 23 6 75 5 65 7 02 5 64 7 19 5 59 7 63 5 91 7 96 5 79 38 5 60 5 17 5 98 5 14 6 58 5 57 6 85 5 58 7 02 5 53 7 48 5 86 7 81 5 75 39 5 50 5 13 5 88 5 10 6 48 5 53 6 76 5 54 6 ...

Page 23: ...ins nails and wood And to avoid danger of suffocation be sure to keep the plastic wrapper away from children and to dispose after tear it up For installation work be careful not to get injured with the heat exchanger piping flare portion or screws etc Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them Insufficient insulation can cause condensation whic...

Page 24: ...k and national wiring regulation and the system must be connected to the dedicated circuit Power source with insufficient capacity and incorrect function done by improper work can cause electric shocks and fire Be sure to shut off the power before starting electrical work Failure to shut off the power can cause electric shocks unit failure or incorrect function of equipment Be sure to use the cabl...

Page 25: ...aration Do not turn Press Remove A Dimension A CAUTION Do not apply refrigerating machine oil to the flared surface Indoor CAUTION Do not apply excess torque to the flared nuts Otherwise the flared nuts may crack Connect the pipes on both liquid and gas sides Tighten the nuts to the following torque n o i t r o p n o i t c e n n o c e h t f o n o i t a l u s n I n o i t c e n n o C Indoor Do not t...

Page 26: ... outer tape and shape the piping to match with the contours of the route that piping will take Also fix the wiring and pipings to the wall with clamps Copper pipe diameter Use a flare tool designed for R410A or a conventional flare tool Note that measurement B protrusion from the flaring block will vary depending on the type of a flare tool in use If a conventional flare tool is used use a copper ...

Page 27: ... in the event of installation inspection or servicing If the power source is not shut off there is a risk of electric shocks unit failure or personal injury due to the unexpected start of fan Stop the compressor before removing the pipe after shutting the service valve on pump down work If the pipe is removed when the compressor is in operation with the service valve open air would be mixed in the...

Page 28: ...up Be sure to insulate the refrigerant pipes so as not to condense the ambient air moisture on them Insufficient insulation can cause condensation which can lead to moisture damage on the ceiling floor furniture and any other valuables When perform the air conditioner operation cooling or dehumidifying operation in which ventilator is installed in the room In this case using the air conditioner in...

Page 29: ...MPa Hand Relief valve Nitrogen gas Without nitrogen gas a large quantity of foreign matters oxidized film are created causing a critical failure from capillary tube or expansion valve clogging Brazing must be performed under a nitrogen gas flow Pipe brazing 4 Caution about selection of installation location Walls surrounding the unit in the four sides are not acceptable There must be a 1 meter or ...

Page 30: ...hough outdoor and indoor units themselves have been tested for air tightness at the factory check the connecting pipes after the installation work for air tightness from the service valve s check joint equipped on the outdoor unit side While conducting a test keep the service valve shut all the time a Raise the pressure to 0 5MPa and then stop Leave it for five minutes to see if the pressure drops...

Page 31: ... in a water leak or dripping causing damage to household effects etc 2 Use a heat insulating material that can withstand 120 or a higher temperature Poor heat insulating capacity can cause heat insulation problems or cable deterioration All gas pipes must be securely heat insulated in order to prevent damage from dripping water that comes from the condensation formed on them during a cooling opera...

Page 32: ...er may flow out from vicinity of service valve or connected pipes Where you are likely to have several days of sub zero temperatures in a row do not use a drain elbow and drain grommets There is a risk of drain water freezing inside and blocking the drain When condensed water needs to be led to a drain etc install the unit on a flat base supplied separately as a locally procured part or concrete b...

Page 33: ...or less 2 The pipe size conforms to the table of pipe size restrictions 3 The elevation difference between the indoor and outdoor units conforms to the following restrictions Where the outdoor unit is above 20m or less Where the outdoor unit is below 20m or less Which of the following refrigeration oils does the existing unit use Suniso MS Barrel Freeze HAB Freol ether oil ester oil Make an inquir...

Page 34: ...unit for 3 minutes for a cooling operation returning liquid 3 Close the liquid side service valve of the outdoor unit and pump down refrigerant recovery 4 Blow with nitrogen gas If discolored refrigeration oil or any foreign matters is discharged by the blow wash the pipe system or install a new pipe system For the flare nut do not use the old one but use the one supplied with the outdoor unit Pro...

Page 35: ...witch for resetting microcomputer This button sets WEEKLY TIMER This button changes the HIGH POWER ECONOMY operation This button changes the air flow left right direction This buttion changes the SILENT operation This button selects OFF TIMER operation This button switches the WEEKLY TIMER to ON OFF Each time the button is pressed the fan speed changes This button sets 3D AUTO operation This butto...

Page 36: ... the cover b ޓ Setting an indoor unit i Turn off the power source and turn it on after 1 minute ii Point the wireless remote control that was set according to the procedure described on the left side at the indoor unit and send a signal by pressing the ACL switch on the wireless remote control Since the signal is sent in about 6 seconds after theACL switch is pressed point the wireless remote cont...

Page 37: ...on HIGH POWER operation will start from the set time d When the following operation are set HIGH POWER operation will be canceled When the HI POWER ECONO button is pressed again When the operation mode is changed When it has been 15 minutes since HIGH POWER operation has started When the 3D AUTO botton is pressed When the SILENT botton is pressed When the NIGHT SETBACK botton is pressed e Not oper...

Page 38: ...d Louver stopped Swing When the operation is retrieved from CLEAN or ALLERGEN CLEAR operation b When the following operation are set ECONOMY operation will be canceled When the HI POWER ECONO button is pressed again When the operation mode is changed DRY to FAN c Not operable while the air conditioner is OFF d The setting temperature is adjusted according to the following table at the start of ope...

Page 39: ...ting i ii Cooling Air flow selection Operation mode AUTO Heating Indoor temp Setting temp 5 C Indoor temp Setting temp 5 C Setting temp Indoor temp 5 C Setting temp Indoor temp 5 C HIGH POWER AUTO HI HI MED MED ULO ULO LO LO HIGH POWER AUTO Flap Louver Cooling Up down swing Heating Wide Fixed Center Fixed Flap Louver Cooling Heating Left right swing Horizontal blowing Fixed Slant forwardl blowing ...

Page 40: ...ation a Comfortable timer setting ON timer c OFF timer operation 13 Installation location setting a Setting i If the air conditioning unit is running press the ON OFF button to stop ii Press the AIR FLOW U D UP DOWN button and the AIR FLOW L R LEFT RIGHT button together for 5 seconds or more iii Setting the air conditioning installation location Center installation L R L R Right end installation L...

Page 41: ...onal components in heating mode b Details of control at each operation mode pattern Fuzzy operation i ON OFF ON ON ON OFF few minutes ON ON ON HOT KEEP OFF OFF 3 minutes ON OFF OFF Thermostat ON Thermostat OFF Failure Heating Compressor Indoor fan motor Outdoor fan motor 4 way valve 20 120rps 20 120rps 20 120rps 20 86rps SRK80ZR S 20 116rps 20 116rps 20 116rps 20 78rps SRK71ZR S 12 120rps 12 120rp...

Page 42: ...ation ON OFF ON ON ON OFF few minutes ON ON ON HOT KEEP OFF OFF 3 minutes ON OFF OFF Compressor Indoor fan motor Outdoor fan motor 4 way valve 20 120rps 20 120rps 20 120rps 20 86rps SRK80ZR S 20 116rps 20 116rps 20 116rps 20 78rps SRK71ZR S 12 120rps 12 120rps 12 120rps 12 94rps SRK63ZR S Model Fan speed AUTO MED 20 52rps 20 46rps 12 54rps ULO HI LO However if the fan speed setting is HI and room ...

Page 43: ...tor Outdoor fan motor 4 way valve 20 98rps 20 98rps 20 64rps 20 46rps SRK80ZR S 20 76rps 20 76rps 20 56rps 20 40rps SRK71ZR S 12 106rps 12 106rps 12 68rps 12 50rps SRK63ZR S Model Fan speed AUTO MED HI LO 20 26rps 20 26rps 12 32rps ULO 17 ޓ Outline of automatic operation a Determination of operation mode Heating Dehumidifying Cooling Indoor air temperature C Outdoor air temperature C A When both t...

Page 44: ...ting A When both the indoor and the outdoor air temperatures are in the range A cooling or heating is switched depending on the difference between the setting temperature and the indoor air temperature When the operation mode has been judged following the change of setting temperature with the remote control the hourly judgment of operation mode is cancelled b i ii iii c d 27 5 25 5 18 0 18 30 20 ...

Page 45: ...nued for more than 30 minutes continuously the following wind direction control is per formed a When the vertical wind direction is set at other than the vertical swing the flaps change to the horizontal position b When the horizontal wind direction is set at other than the horizontal swing the louver changes to the vertical po sition 09 SRK DB 087D b Frost prevention control i Operating condition...

Page 46: ...peration has continued for more than 30 seconds at the same speed it returns to the normal cooling operation d Cooling high pressure control i Purpose Prevents anomalous high pressure operation during cooling ii Detector Outdoor heat exchanger temperature TH1 iii Detail of operation P1 P2 P3 Outdoor heat exchanger temperature C 8rps 1 8rps 1 0rps After lapse of 30 sec or over 3 After lapse of 30 s...

Page 47: ...tion 3 Reset conditions Model 50 A B C D RPSmin 40 40 RPSmin 80 80 RPSmin 90 90 RPSmin 102 102 RPSmin 49 53 41 53 47 47 41 53 57 45 57 51 51 45 55 59 47 59 53 53 47 58 62 51 58 51 When the outdoor air temperature TH2 is 13ºC or 17ºC or higher continues for 30 seconds while the compressor command speed other than 0 rps a b c Taking the upper limit of compressor command speed range at 90 rps or 50 7...

Page 48: ... 10 12 2 4 Lower limit 40 45 rps Lower limit 50 45 rps Lower limit 60 rps Lower limit 35 rps Normal operation Outdoor air temperature C 6 Note 1 Values in are for the model SRK63 09 SRK DB 087D i Compressor overheat protection i Purpose ii Detail of operation 1 Discharge pipe temperature C 180 180 180 Example Fuzzy 95 105 115 180 180 2 j Current safe i Purpose ii Detail of operation k Current cut ...

Page 49: ...tion l Outdoor unit failure m Indoor fan motor protection Lower limit speed 25 rps 32 rps item i ii is satisfied Once the unit is stopped by this function it is not i ii 115 min 1 09 SRK DB 087D n Serial signal transmission error protection i Purpose ii Detail of operation o Rotor lock p Outdoor fan motor protection q Outdoor fan control at low outdoor temperature Cooling 1 i Operating conditions ...

Page 50: ...emperature Th2 Th2 Th1 6 40㻡N 40㻡N TH2㻢䋰㷄㪀 60㻡N TH2䋼䋰㷄㪀 10㻡Th1㻡40 0㻡Th1㻡40 40㻡N p Outdoor fan motor protection q Outdoor fan control at low outdoor temperature Cooling 1 i Operating conditions 2 Detail of operation Outdoor temperature 10 C Outdoor temperature 10 C Outdoor fan Outdoor temperature 16 C Outdoor temperature 16 C Outdoor fan a ii s Refrigeration cycle system protection i Starting condi...

Page 51: ...st control Other than the defrost control ii Contents of control 1 iii Reset condition When the compressor has been turned OFF 2 When the conditions of i above are met the compressor stops Error stop occurs when the compressor has stopped 3 times within 60 minutes 3 When after meeting the conditions of 1 and 2 above the compressor speed indoor air temperature Th1 and indoor heat exchanger temperat...

Page 52: ...OOTING PROCEDURES FOR ELECTRICAL EQUIPMENT 1 Cautions 2 Items to check before troubleshooting 3 Troubleshooting procedure If the air conditioner does not run at all Important YES YES YES NO NO NO NO YES Reference Reference AC proced wireless source source satisfied ...

Page 53: ... 52 15 SRK T 175 09 SRK DB 087D 4 Troubleshooting procedure If the air conditioner runs NO NO NO NO YES YES YES YES 53 54 60 54 60 ...

Page 54: ...tion the compressor is stopped Defective power source Broken signal wire defective indoor outdoor PCB Error of signal transmission If the compressor motor s magnetic pole positions cannot be correctly detected when the compressor starts The air conditioner stops Defective compressor Open phase on compressor Defective outdoor PCB Service valve is closed Refrigerant is insufficient Rotor lock When t...

Page 55: ...or unit Data are recorded for up to 5 previous occurrences Data which are older than the 5th previous occurrence are erased In addition data on the temperature of each sensor room temperature indoor heat exchanger outdoor heat exchanger outdoor air temperature discharge pipe remote control information operation switching fan speed switching are recorded when trouble occurs so more detailed informa...

Page 56: ... Fan speed mode mode mode 21ºC 22ºC 23ºC 24ºC 25ºC 1 time previous previous time 2 times previous 3 times previous 4 times previous 5 times previous Only for indoor heat exchanger sensor 2 Indicates the number of occasions previous to the present the error display data are from Temperature setting 26ºC 27ºC 28ºC 29ºC 30ºC 1 time previous previous time 2 times previous 3 times previous 4 times prev...

Page 57: ...the stop stop code 2 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 3 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 4 times previous when the air conditioner was stopped by protective stop control Displays the reason for the stop stop code 5 times p...

Page 58: ...scharge pipe sensor is abnormal anomalous stop 39 9 time flash Rotor lock 60 OFF 5 times 3 times 3 times 3 times 2 times Number of flashes when in service mode RUN light 10 s digit TIMER light 1 s digit Stop coad or Error coad Error content Cause Occurrence conditions Error display Auto recovery OFF 3 time flash 5 time flash 6 time flash 8 time flash 4 time flash 2 times 2 times 3 times 3 times Wh...

Page 59: ...N HEAT TIMER light 1 s digit Display pattern when in service mode Fan speed mode when there is an abnormal stop 2 time flash 3 time flash 4 time flash AUTO HI MED LO 5 time flash ULO 6 time flash 7 time flash operation mode and fan speed mode becomes as follows HI POWER ECONO Mode Operation mode Fan speed mode 0 5 sec 1 5 sec RUN light 10 s digit TIMER light 1 s digit 11 second interval 0 5 sec OF...

Page 60: ...84 94 55 45 35 25 15 5 5 15 25 35 45 55 65 75 85 95 56 46 36 26 16 6 6 16 26 36 46 56 66 76 86 96 57 47 37 27 17 7 7 17 27 37 47 57 67 77 87 97 58 48 38 28 18 8 8 18 28 38 48 58 68 78 88 98 59 49 39 29 19 9 9 19 29 39 49 59 69 79 89 99 No does not sound Sensor name Room temperature sensor Indoor heat exchanger sensor Outdoor air temperature sensor Outdoor heat exchanger sensor 64ºC 64ºC 64ºC 64ºC ...

Page 61: ... 126 146 48 28 8 8 28 48 68 88 108 128 148 50 30 10 10 30 50 70 90 110 130 150 52 32 12 12 32 52 72 92 112 132 54 34 14 14 34 54 74 94 114 134 56 36 16 16 36 56 76 96 116 136 58 38 18 18 38 58 78 98 118 138 No does not sound Sensor value displayed when the error code is normal 64ºC 0 5 sec 0 1 sec 1 5 sec 11 second interval 0 5 sec OFF ON OFF ON OFF ON temperature information data Buzzer sound If ...

Page 62: ... 61 15 SRK T 175 09 SRK DB 087D Service data record form 55 Operation mode Fan speed mode Wireless r Wireless r Wireless r Wireless r Wireless r wireless Wireless r ...

Page 63: ...70 0 10 Discharge pipe sensor temperature characteristics Indoor fan motor error Broken sensor wire connector poor connection 0 0 20 40 60 80 100 120 135 20 40 60 80 100 120 140 160 180 Temperature C Resistance k Defective fan motor connector poor connection defective indoor PCB 68 for the fan motor and indoor PCB check pro Power source reset Is it normalized Malfunction by temporary noise Replace...

Page 64: ...short circuit Compressor output is open phase Outdoor PCB is faulty Service valve is closed EEV is faulty Compressor faulty Current safe stop Overload operation compressor lock overcharge 71 1 155Ω U V 1 133Ω V W 1 174Ω W U or more at 20ºC Model63 0 864Ω or more at 20 Model71 80 ...

Page 65: ...64 15 SRK T 175 09 SRK DB 087D Over heat of compressor Gas shortage defective discharge pipe sensor Error of signal transmission Wiring error including power cable defective indoor outdoor PCB 62 source ...

Page 66: ...poor connection defective outdoor PCB See pages 71 for the fan motor and outdoor PCB check pro After making sure the fan motor and outdoor PCB are nor Power source reset Is it normalized Malfunction by temporary noise Replace fan motor If the error persists after replacing the fan motor replace the outdoor PCB the fan motor and outdoor ourdoor PCB outdoor Replace outdoor fan motor AC AC AC AC AC A...

Page 67: ...d operation Service valve gas side closed Defective outdoor PCB Are the service valve gas side opened Open the valve NO YES NO YES Is the checked result of power transistor module OK Defective outdoor PCB Replace Defective outdoor PCB Replace NO YES YES Is the space for installation of indoor and or outdoor unit enough Is there any short circuit of air on indoor and or outdoor unit At heating does...

Page 68: ...door air temperature sensor Cooling Heating Discharge pipe sensor All modes Defrosting is performed for 10 minutes at approx 35 minutes Defrosting is performed for 10 minutes at approx 35 minutes Compressor stop The compressor cannot pick up its speed owing to the current safe so that the designed capacity is not achieved The compressor cannot pick up its speed owing to the heating overload protec...

Page 69: ...d 20V Replace indoor PCB YES b Indoor unit fan motor check procedure 1 Indoor PCB output check 2 Fan motor resistance check FMI DC15V Indoor PCB DC 308 336V DC several V 4 6 V CNU GND Blue Yellow White Black Red Measuring point Resistance when normal Measuring point Voltage range when normal k M ...

Page 70: ...eration Faulty part other than fan motor YES Fan motor is faulty YES YES YES NO NO NO Replace the faulty part and the fuse Test run then the unit for checking Is there any damage on the internal circuit of fan motor Check the resistance value to judge See pages 68 to 71 Is the fuse blown on the indoor and outdoor PCB Is there any faulty part fan motor etc See pages 67 to 71 Replace the fuse on the...

Page 71: ...ween DC 0 and approx 20V Inspection power transistor Remove the fasten terminal and test output voltage Inspection of outdoor fan motor See page 71 Check point of outdoor unit Color Color symbol RD Mark Yellow Green Y G Black BK Blue BL Yellow Y White WH Red Display Voltage range Voltage check in PCB The normal range is as follows DC280V DC230V DC310V DC220V DC218V DC222V DC213V DC212V DC214V DC21...

Page 72: ...valve as a separate unit Measuring point Resistance when normal b Outdoor unit fan motor check procedure Measuring point Voltage range when normal DC15V DC several 4 7V Outdoor PCB GND DC280 373V CNFAN Red Blue Brown Orange White FM0 1 2 3 i ii iii DC iv i Fan motor resistance check Measuring point Resistance when normal Blue Blue k ii source 280 373V ...

Page 73: ...case with a nipper or knife and grind burrs with a file etc Install the lower case to the flat wall with attached two wooden screws Connect the remote control cord to the terminal block Connect the terminal of remote control X with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagr depending on the pulling out direction The wiring inside the remote ...

Page 74: ...e control cord or center upper part nipper or knife n screws Connect the remote control cord to the terminal block Connect the terminal of remote control X Y with the terminal of indoor unit X Y X and Y are no polarity Wiring route is as shown in the right diagram depending on the pulling out direction The wiring inside the remote control case should be within 0 3mm2 recommended to 0 5mm2 The shea...

Page 75: ...ges to FUNCTION SET 2 Press button once and change to the TEMP RANGE indication 3 Press SET button and enter the temperature range setting mode 4 Select UPPER LIMIT or LOWER LIMIT by using button 5 Press SET button to fix 6 When UPPER LIMIT is selected valid during heating Press SET button to fix Indication example UPPER 26 C Displayed for two seconds After the fixed upper limit value displayed fo...

Page 76: ...n 04 accordingly You can select the louver stop position in the four The louver can stop at any position In normal working indication indoor unit temperature is indicated instead of airflow Only the master remote control can be indicated Heating preparation indication should not be indicated Temperature indication is by degree C Temperature indication is by degree F ON OFF button finished Start St...

Page 77: ...5 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 0 C increase in return air temperature of indoor unit To be reset producing 1 5 C increase in return air temperature of indoor unit To be reset producing 2 0 C increase in return air temperature of indoor unit When heating thermostat is OFF fan...

Page 78: ...e indoor unit and is automatically defined it series ndoor fan tap is raised er temperature to start frost prevention control How to check the current setting When you select from No and funcion and press set button by the previous operation the Setting displayed first is the current setting But if you select ALL UNIT the setting of the lowest number indoor unit is displayed Stop air conditioner a...

Page 79: ...tions Before use please read these Safety precautions thoroughly before installation All the cautionary items mentioned below are important safety related items to be taken into consideration so be sure to observe them at all times Incorrect installation could lead to serious consequences such as death major injury or envirommental destruction Symbols used in these precautions After completed inst...

Page 80: ...unit approximately 1 8m Be sure not to extend the connection cable on site If the connection cable is extended malfunction may occur Fix the interface on the wall pillar or the like Cut out the punch outs for the connection cables running into the casing with cutter Recess the electrical box procured locally and connection cables in the wall Mount the lower casing of the interface to the electrica...

Page 81: ... a external remote control unit procured locally to CNT terminal In case of the pulse input switch OFF the DIP switch SW2 1 on the interface PCB When setting operation permission prohibition mode switch OFF the DIP switch SW2 3 on the interface PCB Connection of Superlink E board Functions of CNT connector Switch ON the DIP switch SW2 2 Factory setting ON on the interface PCB Wiring connection bet...

Page 82: ...ll the wired remote control with reference to the attached instruction manual of wired remote control B 0 3mm2 x 2 core cable should be used for the wiring of wired remote control C Maximum length of wiring is 600m If the length of wiring exceeds 100m change the size of cable as mentioned below 100m 200m 0 5mm2 x 2 core 300m or less 0 75mm2 x 2 core 400m or less 1 25mm2 x 2 core 600m or less 2 0mm...

Page 83: ... 82 15 SRK T 175 central control 4 3 Superlink E board SC ADNA E F ...

Page 84: ... 83 15 SRK T 175 ...

Page 85: ...2 50 Declared capacity for heating Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 and outdoor temperature Tj temperature 20 and outdoor temperature Tj Tj 2 Pdh 6 50 kW Tj 2 COPd 2 80 Tj 7 Pdh 4 18 kW Tj 7 COPd 5 57 Tj 12 Pdh 1 86 kW Tj 12 COPd 7 30 Tj bivalent temperature Pdh 6 50 kW Tj bivalent temperature COPd 2 80 Tj operating limit Pdh 5 03 k...

Page 86: ... capacity for heating Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 and outdoor temperature Tj temperature 20 and outdoor temperature Tj Tj 2 Pdh 8 30 kW Tj 2 COPd 2 62 Tj 7 Pdh 5 34 kW Tj 7 COPd 5 15 Tj 12 Pdh 2 65 kW Tj 12 COPd 7 30 Tj bivalent temperature Pdh 8 30 kW Tj bivalent temperature COPd 2 62 Tj operating limit Pdh 6 46 kW Tj operatin...

Page 87: ... capacity for heating Warmer season at indoor Declared coefficient of performance Warmer season at indoor temperature 20 and outdoor temperature Tj temperature 20 and outdoor temperature Tj Tj 2 Pdh 8 40 kW Tj 2 COPd 2 63 Tj 7 Pdh 5 40 kW Tj 7 COPd 5 20 Tj 12 Pdh 2 65 kW Tj 12 COPd 7 20 Tj bivalent temperature Pdh 8 40 kW Tj bivalent temperature COPd 2 63 Tj operating limit Pdh 6 48 kW Tj operatin...

Page 88: ...itioning Refrigeration Divison 16 5 Konan 2 chome Minato ku Tokyo 108 8215 Japan http www mhi co jp Copyright MITSUBISHI HEAVY INDUSTRIES LTD Because of our policy of continuous improvement we reserve the right to make changes in all specifications without notice C ...

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