background image

29

Declining slope

[When the pipe is extended to left and taken out from the rear center]

Note (1) It is designed to collect moisture

accumulated on the rear face in the
drain pan. Be sure not to accommodate
the power cable, etc. above the chute.

¡

When arranging the pipe through a hole opened at the center, open the
knockout hole using nippers, etc.

(Drain pipe relocation procedure)

1.

Remove the drain pipe.

2.

Remove the drain cap.

3.

Insert the drain cap.

4.

Connect the drain pipe.

¡

Loosen the spring clamp and
securely insert the drain pipe.

Note: If it is inserted insufficiently,

water leakage could result.

Pipe accommodation space

¡

Loosen the spring clamp to
remove.

¡

Remove by hand or use
cutting pliers, etc.

¡

Securely insert the drain cap
removed in the step 2.

Note: If it is inserted insufficiently,

water leakage could result.

Chute

Wall

(4)

Installation of indoor unit

(a)

Hang the upper portion of the unit rear cover on the mounting board,

and then magnet on the lower unit portion will pull to fix the unit.

(b)

Be sure not to leave any trap on the drain pipe.

Wall

Slighty push

Mounting
block

1.5.3

Installation of outdoor unit

(1)

Installation of outdoor unit

(a)

Make sure that sufficient space for installation and service is secured.

(b)

Fix the leg sections of the unit on a firm base which will not play.

Attach cushion pads, etc. between the unit and the mounting fixtures not to transmit vibration to the building.

(c)

Attach a drain elbow, etc. under the drain port of the bottom plate to guide drain water. (Drain elbow should not be used

where days when temperature drops below 0˚C continue for several days. Draining may be disturbed by frozen water.)

(d)

When installing the unit at a higher place or where it could be toppled with strong winds, secure the unit firmly with founda-

tion bolts, wire, etc.

(2)

Connection of indoor and outdoor connecting wiring

(a)

Connect the wiring according to the number of the indoor terminal block. (Mis-wiring may cause the burning damage, and

make sure to connect correctly.)

Cooling only

Heat pump

type

type

 1  BROWN

 2  BLUE

 3  BLACK

 (40 : –)

 4  GREEN

 (40 : –)

Terminal block

YELLOW

GREEN

Terminal block

Earth terminal

Interconneting wire

Inverted slipe

Trap

(b)

When an abnormality is indicated on the outdoor unit for the cooling only model, check the fuse on the outdoor unit. If the

fuse is burnt out, replace it with new one.

Содержание SRK408HENF-L3

Страница 1: ...1 1 WALL MOUNTED TYPE ROOM AIR CONDITIONER Split system Air to air heat pump type SRK50HA SRK56HA SRK408HENF L3 1...

Страница 2: ...DATA 12 1 3 1 Electrical wiring 12 1 4 OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER 14 1 5 APPLICATION DATA 25 1 5 1 Selection of location for installation 26 1 5 2 Installation of indoor unit 27 1 5...

Страница 3: ...tch is set on auto it will either automatically decide operation mode such as cooling heating and thermal dry or operate in the operation mode before it has been turned to automatic control 3 Self dia...

Страница 4: ...eration switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor In...

Страница 5: ...ess Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow ECONO Orange HI POWER Green Safety equipment Dome mounted protector for compressor Internal thermostat fo...

Страница 6: ...ation control Operation switch Wireless Remote controller Room temperature control MC Thermostat Pilot lamp RUN Green TIMER Yellow Safety equipment Dome mounted protector for compressor Internal therm...

Страница 7: ...th Max 15m All models Refer to the selection chart Power source voltage Rating 10 Voltage at starting Min 85 of rating Frequency of ON OFF cycle Max 10 times h ON and OFF interval Max 3 minutes Outdoo...

Страница 8: ...1 510 136 9 476 286 4 12 50 290 49 6 43 5 328 100 3 15 640 124 34 6 2 0 2 0 Model SRK408HENF L3 A 790 15 67 51 60 62 18 16 780 VIEW A 15 760 170 450 170 Room temp sensor Terminal block Piping for Liq...

Страница 9: ...er Capillary tube Deicer thermostat Heat exchanger Compressor Accumulator Discharge Heat exchanger thermistor Cooling cycle Heating cycle Indoor unit Outdoor unit Model SRC408HENF L3 300 14 14 272 58...

Страница 10: ...rature sensor Piping Gas 12 7 Piping Liquid 6 35 Flare connecting Check joint 4way valve Suction Capillary tube Check valve Heat exchanger Compressor Accumulator Discharge Heat exchanger sensor Coolin...

Страница 11: ...sting on the outdoor heat exchanger How to obtain the cooling and heating capacity Example The net cooling capacity of the model SRK50HA with the piping length of 15m indoor wet bulb temperature at 19...

Страница 12: ...Auxiliary relay LM Louver motor 63H High pressure switch PC Photo coupler 23DH Thermostat Defrost Table of relay operations Operation Cooling Heating Defrost Relay symbol Control part 52X1 20S 52XA FM...

Страница 13: ...or is the hot start hot keep and frost prevention thermistor for details refer to pages 19 20 22 3 Preset values 23DH defroster stop thermostat opens at over 14 C 63H overload protection high pressure...

Страница 14: ...50 56 models HI POWER operation indicator Indicators during HI POWER operation ECONOMY operation indicator Indicators during ECONOMY operation Operation switch over indicator Indicators the for the o...

Страница 15: ...Switch for resetting microcomputer AUTO SWING TEMPERATURE button This button sets the room temperature SET TIMER button This button sets the ON timer and OFF timer times RUN HOT KEEP light green Illum...

Страница 16: ...ally set to the angle when next operation is started Recommendable stopping angle of the flap Slant forward blowing COOL DRY HEAT The flap operation as shown above will be repeated Stops at the level...

Страница 17: ...56 models The blow operation of the indoor fan is carried out at the 1st speed for 20 seconds and the room temperature is checked to determine the operation mode automatically When the unit is operate...

Страница 18: ...Set temp 5 Comfort timer settings Temperature is checked beginning 1 hour before the set time and the power is turned on before the timer setting as necessary to bring the temperature to the proper l...

Страница 19: ...ortable heating operation is assured Controls of thermostat and indoor fan motor Temp that compres sor stops in HOT SPURT operation A A B B 3 C 1 C 2 C Temp that compres sor stops in ordinary operatio...

Страница 20: ...ioner would not start for those 3 min where marked c HOT KEEP 1 Cold draft prevention I a Operation timing While defrosting operation b Function The indoor fan is stopped and RUN HOT KEEP lamp flashin...

Страница 21: ...e difference between room temperature and thermo stat setting temperature as shown below Operation block area 2 0 3 Room temp Setting temp deg b Start up operation ON OFF OFF 0 3 6 9 12 ON OFF OFF 0 1...

Страница 22: ...ompressor started Indoor heat exchanger temperature C CM FMO re starting condition 1 Temperature of heat exchanger is 8 7 C or higher 2 As least 3 minutes has passed since the compressor stopped Set f...

Страница 23: ...a tion ends After that defrost thermostat 23DH will either turn OFF or the operation will stop after 10 minutes 50 61 18 Heating operation overload protection Heat pump type only During heating operat...

Страница 24: ...of indoor fan motor S 50 56 models When the status that the fan motor speed is 300 rpm or under continues for 30 seconds or more during the indoor fan motor operation the unit is stopped The fan moto...

Страница 25: ...ve use circuits are used Insufficient power source circuit capacity and defective installment execution can be the cause of electric shocks and fires Accurately connect wiring using the proper cable a...

Страница 26: ...or unit s operating sound will not be nuisance to the neighbourhood f A place where servicing space can be secured g A place where vibration will not be enlarge h In heating operation snow deposit on...

Страница 27: ...dard hole Bolt M6 12 Mounting board Nut M6 Mounting board Max 10 Mating Mark for Lever Surface Horizontally b Fixing method of installation board 2 Drilling the and installation of sleeve a Drill a ho...

Страница 28: ...minal block may heat up and catch fire 2 Take care not to confuse the terminal numbers for indoor and out door connections 3 Affix the connection wire using the wiring clamp iv Attach the terminal bac...

Страница 29: ...sh Mounting block 1 5 3 Installation of outdoor unit 1 Installation of outdoor unit a Make sure that sufficient space for installation and service is secured b Fix the leg sections of the unit on a fi...

Страница 30: ...N m 1 6 2 0 kgf m Gas side 12 7 39 2 49 0 N m 4 0 5 0 kgf m Use one more spanner to fix the valve Spanner for fixing the piping Torque wrench Always use a Torque wrench and back up spanner to tighten...

Страница 31: ...leaks 2 When conducting trial run set the remote controller thermostat to continuous operation position However when the power source is cut off or when the unit s operation switch is turned off or w...

Страница 32: ...he remote controller is correctly facing the sensing element of the air conditioner when being manipulated 2 The typical coverage is indicated in the left illustration It may be more or less depending...

Страница 33: ...gain Temporarily turn off the power source and turn it on again in about 1 min and turn the unit on again YES No YES YES Does the trouble occur again Disconnect connectors and connect them again Opera...

Страница 34: ...defective Compressor is defective Capacitor is defective Gas is short RUN lamp is lights continuously Abnormality of indoor fan motor Fan motor defective printed circuit board defective Yes Yes Yes Y...

Страница 35: ...unaway of micro computer Remove receptacle Insert it after 3 min and operate No change Normal operation Indoor lamp of indoor unit does not illuminate Check receptacle voltage Check if PCB fuse is blo...

Страница 36: ...te Heating overload protect begins to operate When FM is on AUTO is continuously Hi CM FMo are stopped Notes 1 When the room temperature thermistor Th1 will not operate normally Cooling or heating ope...

Страница 37: ...e air from the charge hose A Firstly loose the connecting portion of the charge hose A at the gauge manihold side and open the valve 3 for a few seconds and then immediately retighten it after observi...

Страница 38: ...h speed switching diode manufacturer Matsushita Manufacture type No MA165 to Remote part on the PCB in the direction as shown in the diagram below Power supply ON 3 minute timer operation Power supply...

Страница 39: ...jumper wire for the REMOTE section on the printed circuit board Carefully position the jumper wire so that it does not come in contact with other parts REMOTE CNE CNG CNH CUSTOM CNM CNU FMI 20S 52X1...

Страница 40: ...40 MEMO...

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