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4-WAY AIR FLOW SYSTEM

9-1. FRESH AIR INTAKE (LOCATION FOR INSTALLATION)

At the time of installation, use the duct holes (cut out) located at the positions shown in following diagram, as and when required.

Detail drawing of fresh air intake

Ceiling surface

Refrigerant pipe

Drain pipe

Electrical Box

Cut out hole

73.4

Burring hole

2.8 hole

100

120°

Fresh air intake

SLZ-KA25VAQ.TH SLZ-KA35VAQ.TH SLZ-KA50VAQ.TH
SLZ-KA25VAQR1.TH SLZ-KA35VAQR1.TH SLZ-KA50VAQR1.TH
SLZ-KA25VAQ2.TH SLZ-KA35VAQR2.TH SLZ-KA50VAQR2.TH

9-2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS

●

Whenever the indoor unit operates, the

duct fan operates.

(1) Connect the optional multiple

remote controller adapter (PAC-
SA88HA-E) to the connector CN51
on the indoor controller board.

(2) Drive the relay after connecting the

12V DC relay between the Yellow
and Orange connector wires.

Use a nonpolar relay of 1W or smaller.

MB: Electromagnetic switch power

relay for duct fan.

X: Auxiliary relay (12V DC LY-1F)

Multiple remote
controller adapter
PAC-SA88HA-E

Indoor controller board

Distance between indoor
controller board and relay
must be within 10m.

Be sure to secure insulation
material by tape, etc.

Green

Yellow

Orange

Connector (5P)

Indoor unit side

Multiple remote
controller adapter
PAC-SA88HA-E

Be sure to secure insulation
material by tape, etc.

Installation at site

CN51
on
indoor unit
board

Red

Brown

CN51

CN51(WHT)

9-3. OPERATION IN CONJUNCTION WITH DUCT FAN (BOOSTER FAN)

Static pressure : P [Pa]

Air flow : Q [m

/min]

-50

-100

-150

-200
-250

-300

0.5 1.0 1.5 2.0 2.5 3.0 3.5

Taking air into the unit

Curve in the
left graphs

Duct characteristics
at site

NOTE: Fresh air intake amount should be 20% or less of

whole air amount to prevent dew dripping.

How to read curves

Q…Designed amount of fresh air intake

/min>

A…Static pressure loss of fresh air

intake duct system with air flow
amount Q

<Pa>

B…Forced static pressure at air condi-

tioner inlet with air flow amount Q

<Pa>

C…Static pressure of booster fan with

air flow amount Q

<Pa>

D…Static pressure loss increase

amount of fresh air intake duct
system for air flow amount Q <Pa>

E…Static pressure of indoor unit with

air flow amount Q

<Pa>

Qa…Estimated amount of fresh air

intake without D

/min>

Unit : mm

OCH493D

Содержание Mr. Slim SLZ Series

Страница 1: ...ITION D WIRED REMOTE CONTROLLER Option Indoor unit Model names Service Ref SLZ KA25VAQ TH SLZ KA25VAQR1 TH SLZ KA25VAQ2 TH SLZ KA35VAQ TH SLZ KA35VAQR1 TH SLZ KA35VAQR2 TH SLZ KA50VAQ TH SLZ KA50VAQR1 TH SLZ KA50VAQR2 TH INDOOR UNIT Model name indication ON OFF TEMP Note This manual describes only service data of the indoor units PARTS CATALOG OCB493 Revision SLZ KA25VAQ2 TH and SLZ KA35 50VAQR2 T...

Страница 2: ...ls provided with our products We will not be held responsible for mechanical failure system malfunction unit breakdown or accidents caused by failure to follow the instructions 1 TECHNICAL CHANGES 2 REFERENCE SERVICE MANUAL 2 1 OUTDOOR UNIT S SERVICE MANUAL 2 2 TECHNICAL DATA BOOK Service Ref Service Manual No SUZ KA25 50VA3 TH A OCH511 OCB511 SUZ KA25 35 50VA2 TH OCH472 OCB472 SUZ KA25 35 50VA2 T...

Страница 3: ... OFF button This lamp lights up in green while the unit is in operation It blinks while the remote controller is starting up or when there is an error Press to save the setting Main display Press to change the operation mode Main menu Press to move the cursor down Press to return to the previous screen Main display Press to decrease temperature Main menu Press to move the cursor up Press to bring ...

Страница 4: ...ctions cannot be operated Maintenance Auto descending panel Auto descending panel Optional parts Up Down you can do Manual vane angle Use to set the vane angle for each vane to a fixed position Initial setting Main Sub When connecting two remote controllers one of them needs to be designated as a sub controller Clock Use to set the current time Main display Use to switch between Full and Basic mod...

Страница 5: ...ction indica tor The indicator shows the direc tion of the outcoming airflow One Hour Only indicator Room Temperature display Shows the room temperature The room temperature display range is 8 39 The display blinks if the temperature is less than 8 or 39 or more Louver display Indicates the action of the swing louver Does not appear if the louver is not running Power On indicator Indicates that th...

Страница 6: ... A A W kW A mm in mm in mm in kg dB A rpm k k k Electrical data Fan motor Special remarks Capacity Dimensions WHT BLK 407 BLK BLU 86 BLU YLW 30 BRN RED 165 UNIT 570 22 7 16 PANEL 650 25 9 16 UNIT 235 9 1 4 PANEL 20 13 16 UNIT 570 22 7 16 PANEL 650 25 9 16 UNIT 16 5 PANEL 3 WHT BLK 393 BLK BLU 164 BLU YLW 47 BRN RED 319 WHT BLK 393 BLK BLU 164 BLU YLW 47 BRN RED 319 SLZ KA50VAQ TH SLZ KA25VAQR1 TH ...

Страница 7: ...ENCIES Hz SLZ KA50VAQ TH SLZ KA50VAQR1 TH SLZ KA50VAQR2 TH High Medium 39 SPL dB 34 LINE 50Hz NOTCH Low 30 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar BAND CENTER FREQUENCIES Hz SLZ KA25VAQ TH SLZ KA25VAQR1 TH High Medium 37 SPL dB 31 LINE...

Страница 8: ...Air outlet hole 301 301 377 377 650 650 V M V M V M Detail drawing of fresh air intake Ceiling surface Cut out hole W 73 4 Burring hole 3 W 2 8 hole W 100 118 25 1 2 0 1 2 0 Emergency operation switch cooling Emergency operation switch heating Operation lamp DEFROST STAND BY lamp WIRELESS PANEL Receiver SLZ KA50VAQ SLZ KA50VAQR1 SLZ KA50VAQR2 SLZ KA35VAQ SLZ KA35VAQR1 SLZ KA35VAQR2 SLZ KA25VAQ SLZ...

Страница 9: ...9 9 WIRED REMOTE CONTROLLER Unit mm PAR 21MAA PAR 30MAA 130 120 83 5 19 5 19 120 120 46 46 83 5 Option OCH493D ...

Страница 10: ...ONNECTOR REMOTE SWITCH CONNECTOR HA TERMINAL A CENTRALLY CONTROL POWER SUPPLY I B POWER SUPPLY I B TRANSMISSION INDOOR OUTDOOR DRAIN PUMP DEW PREVENTION HEATER SWITCH EMERGENCY OPERATION SWITCH CAPACITY CODE FAN MOTOR WITH THERMAL FUSE VANE MOTOR DRAIN PUMP DRAIN SENSOR TERMINAL BLOCK INDOOR OUTDOOR CONNECTING LINE TERMINAL BLOCK REMOTE CONTROLLER TRANSMISSION LINE TERMINAL BLOCK REMOTE CONTROLLER...

Страница 11: ...temperature thermistor TH1 Refrigerant flow in cooling Refrigerant flow in heating Strainer 50 Strainer 50 Heat exchanger Refrigerant GAS pipe connection Flare Refrigerant LIQUID pipe connection Flare SLZ KA25VAQ TH SLZ KA35VAQ TH SLZ KA50VAQ TH SLZ KA25VAQR1 TH SLZ KA35VAQR1 TH SLZ KA50VAQR1 TH SLZ KA25VAQ2 TH SLZ KA35VAQR2 TH SLZ KA50VAQR2 TH OCH493D ...

Страница 12: ... Pipe temperature error E4 E5 Remote controller signal receiving error Errors detected by unit other than indoor unit outdoor unit etc 1 The check code in the parenthesis indicates PAR 30MAA model Symptom Remark Indoor outdoor unit communication error Transmitting error Outdoor unit Open short of outdoor unit thermistors Compressor overcurrent interruption When compressor locked Abnormal high disc...

Страница 13: ...ndoor and outdoor units incorrect polarity of S1 S2 S3 Remote controller wire short Note Operation is not possible for about 30 seconds after cancellation of function selection Correct operation For description of each LED LED1 2 3 provided on the indoor controller refer to the following table LED1 power for microprocessor Indicates whether control power is supplied Make sure that this LED is alwa...

Страница 14: ...th remote controller in test run mode If pipe liquid temperature is extremely low in cooling mode or high in heating mode refrigerant circuit may have defect 5 Check pipe liquid temperature with remote controller in test run mode If there is extreme difference with actual pipe liquid temperature replace indoor controller board Turn the power off and on again to operate after checking P4 Drain sens...

Страница 15: ...g or drying mode 1 Check clogging of the filter 2 Remove blockage 4 Measure the resistance of fan motor s winding Measure the output voltage of fan s connector FAN on the indoor controller board WThe indoor controller board should be normal when voltage of AC 220 240V is detected while fan motor is connected Refer to 8 5 5 Check outdoor fan motor 67 Check operating condition of refrigerant circuit...

Страница 16: ...ction or looseness of indoor unit or transmission wire of remote controller 2 Set one of the remote controllers main if there is no problem with the action above 3 Check wiring of remote controller Total wiring length max 500 m Do not use cable 3 or more The number of connecting indoor units max 16 units The number of connecting remote controller max 2 units When the above mentioned problem of 1 3...

Страница 17: ...lly read from the nonvolatile memory of the indoor controller board 1 Defective indoor controller board 1 Replace indoor controller board The check code in the parenthesis indicates PAR 30MAA model E1 or E2 Remote controller control board 1 Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board Error code E1 2 Abnormal if the clock function of r...

Страница 18: ...normality Once the water leakage abnormality is detected abnormality state will not be released until the main power is reset 1 Drain pump trouble 2 Drain defective Drain pump clogging Drain pipe clogging 3 Open circuit of drain sensor side heater 4 Contact failure of drain sensor connector 5 Dew condensation on drain sensor Drain water trickles along lead wire Drain water waving due to filter clo...

Страница 19: ... setting of refrigerant address for outdoor unit There is no unit corresponding to refrigerant address 0 1 Check the setting of refrigerant address for outdoor unit Set the refrigerant address to 0 For grouping control system under which 2 or more outdoor units are connected set one of the units to 0 Set refrigerant address using SW1 3 6 on outdoor controller circuit board 2 LED2 on indoor control...

Страница 20: ...to the indoor controller board CNDK between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D between 1 to 2 12 6 13 7V DC Pin1 CNSK Connect to the indoor controller board CNDK between 1 to 3 220 240V AC CN2S Connect to the indoor controller board CN2D between 1 to 2 12 6 13 7V DC Pin1 SLZ KA25VAQ2 TH SLZ KA35VAQR2 TH SLZ KA50VAQR2 TH OCH493D ...

Страница 21: ...ector LOSSNAY CN51 Centrally control 1 2 Control signal 13V pulse input 1 3 4 Operation indicator 13VDC 3 3 5 Malfunction indicator 13VDC 3 CN6V Vane motor output MV CN90 Connect to the wire less remote controller board CNB CN31 Drain sensor DS CN29 Condenser evaporator temperature thermistor TH5 CN21 Pipe temperature thermistor Liquid TH2 CN20 Room temperature thermistor TH1 CN22 Remote controlle...

Страница 22: ...Z KA25VAQ SLZ KA25VAQ2 Models ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 ON OFF 1 2 3 4 5 SLZ KA35VAQ SLZ KA50VAQ Action by switch opration OFF Available Extra low Not available ON Not available Stop Available Dip switch Function SW3 1 SW3 2 SW3 3 SW3 4 SW3 5 Power failure automatic recovery Set temperature in heating mode 4 deg up Fan speed when the thermostat is OFF during heating mode SW3 function OFF O...

Страница 23: ... terminals with a tester Coil wiring temperature 10 C 30 C Pipe temperature thermistor liquid TH2 Indoor fan motor MF Check method and criterion Part name Normal KA25VAQ Normal WHT BLK BLK BLU BLU YLW BRN RED 386 428 81 91 28 32 157 174 KA35VAQ KA25VAQ2 373 413 155 172 44 49 302 335 KA50VAQ 308 341 135 151 44 49 293 324 4 3k 9 6k Abnormal Abnormal Opened or short circuited Opened or short circuite...

Страница 24: ...Ω 25 5 2kΩ 30 4 3kΩ 40 3 0kΩ Thermistor R0 6 0kΩ 5 Fixed number of B 3390 2 Rt 6exp 3390 0 6 0kΩ 10 3 9kΩ 20 2 6kΩ 25 2 2kΩ 30 1 8kΩ 40 1 3kΩ 60 0 6kΩ Thermistor for lower temperature 1 273 t 1 273 1 273 t 1 273 Thermistor for drain sensor 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Thermistor for lower temperature Temperature Resistance k 20 0 20 40 60 80 Thermistor for drain sensor Temperature 0 1 2...

Страница 25: ...Indoor controller board Distance between indoor controller board and relay must be within 10m Be sure to secure insulation material by tape etc 5 Green Yellow Orange Connector 5P Indoor unit side Multiple remote controller adapter PAC SA88HA E Be sure to secure insulation material by tape etc Installation at site CN51 on indoor unit board Red Brown 1 CN51 MB CN51 WHT 9 3 OPERATION IN CONJUNCTION W...

Страница 26: ...onnector with the plastic tape Vane motor Horizontal vane Connector Unlocking button Vane motor 3 Set the vertical vane of the air outlet by hand slowly within the range in the table below Measured standard position of the grille Horizontal vane Specified range Up down airflow direction Horizontal 30 Downward 45 Downward 55 Downward 70 A 21 mm 25 mm 28 mm 30 mm The vanes can be set between 21mm an...

Страница 27: ...r intake grille knob 3 Removing the panel 1 Remove the air intake grille Refer to Procedure 1 Corner panel See Figure 2 1 Remove the screw of the corner 2 Slide the corner panel to the direction of the arrow 3 and remove the corner panel Panel See Photo 2 1 Disconnect the connector that connects with the unit 2 Remove the 2 screws from the panel and loose another 2 screws which are fixed to the ov...

Страница 28: ...nd the fan 2 from the indoor controller board 6 Remove the 3 screws fixed to the piping cover and remove the piping cover See Photo 9 7 Remove the 6 screws fixed to the flat plate and remove the flat plate 8 Disconnect the lead wires to the direction of the fan motor and remove the 3 nuts of the fan motor Photo 5 6 Removing the drain pan 1 Remove the panel Refer to Procedure 3 2 Remove the room te...

Страница 29: ...oto 9 from the heat exchanger and remove the heat exchanger 9 Removing the drain pump DP and drain sensor DS 1 Remove the panel Refer to Procedure 3 2 Remove the drain pan Refer to Procedure 6 3 Remove the 2 screws fixed to the control box cover and remove the control box cover 4 Remove the connectors of the CNP and the CN31 from the indoor controller board 5 Remove the 1 screw fixed to the cover ...

Страница 30: ...d in Oct 2012 No OCH493 REVISED EDITION D Distributed in Feb 2012 No OCH493 REVISED EDITION C Distributed in Dec 2011 No OCH493 REVISED EDITION B Distributed in Mar 2011 No OCH493 REVISED EDITION A Distributed in Dec 2010 No OCH493 Made in Japan New publication effective Oct 2012 Specifications are subject to change without notice ...

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