Acson international A4LC 20B Manual Download Page 11

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Ensure the operating temperature is in allowable range.

Cooling only

Cooling

Heat pump

Heating

Cooling

4. OPERATING RANGE

The use of your air conditioner
outside the range of working
temperature and humidity can
result in serious failure.

Caution :

Outdoor temp. (°CDB)

Indoor temp. (°CWB)

-5

STD

HIGH AMBIENT
UNIT

LOW AMBIENT
KIT

Outdoor temp. (°CWB)

Indoor temp. (°CDB)

-8

STD

Outdoor temp. (°CDB)

Indoor temp. (°CWB)

-5

STD

HIGH AMBIENT
UNIT

LOW AMBIENT
KIT

Summary of Contents for A4LC 20B

Page 1: ...Ceiling Cassette Split Systems Manual No TMA ACK A 1230B ACK 20 A AR ACK 25 A AR ACK 30 A AR ACK 40 A AR ACK 50 A AR ACK 15 B BR ACK 20 B BR ACK 25 B BR ACK 30 B BR Models...

Page 2: ...FOR R407C 42 9 INSTALLATION OF INDOOR UNIT 44 10 INSTALLATION OF OUTDOOR UNIT 47 11 REFRIGERANT PIPING WORK 48 12 WIRING 49 13 INDICATOR LIGHTS 50 14 ACCESSORY PARTS 52 15 OVERALL CHECKING 53 16 STAND...

Page 3: ...a plastic coating on the surface to ensure no leaking and condensation occur FRIENDLY SERVICEABILITY The air filter electrical parts fan fan motor and drain pump can all be inspected and replaced fro...

Page 4: ...36 6 0 469 5 022 820 930 32 2 36 6 35 4 49 45 43 RATED INPUT POWER W RATED RUNNING CURRENT A TUBE FAN MICROCOMPUTER CONTROLLED THERMOSTAT 4 WAY AUTOMATIC LOUVER UP DOWN 380 130 15 0 5 1 920 26 05 6 P...

Page 5: ...930 32 2 36 6 820 930 32 2 36 6 220 240 1 50 208 230 1 60 INDOOR UNIT FAN MOTOR COIL R22 CAPILLARY TUBE IN OUTDOOR FIN 0 27 0 01 S I G C 7 0 0 28 FAN TUBE 920 1000 36 2 39 4 MICROCOMPUTER CONTROLLED...

Page 6: ...DOOR CORRUGATED WASHABLE SARAN NET OPTIONAL IONIZER FILTER 380 130 15 0 5 1 S B C 9 52 3 8 0 35 0 014 7 0 0 28 LCD WIRELESS MICROCOMPUTER REMOTE CONTROL LED WIRED MICROCOMPUTER REMOTE CONTROL 220 240...

Page 7: ...N WIDTH mm in PANEL DEPTH mm in INDOOR UNIT FAN TUBE FIN ALUMINIUM 920 1000 36 2 39 4 0 27 0 01 0 35 0 014 MICROCOMPUTER CONTROLLED THERMOSTAT LCD WIRELESS LED WIRED MICROCOMPUTER REMOTE CONTROL 0 11...

Page 8: ...CTION DEVICE O L H L PRESSURE SW POWER SOURCE V Ph Hz FAN TYPE DRIVE BLADE MATERIAL DIAMETER mm in 355 14 610 24 RATED RUNNING CURRENT A 0 28 0 7 1 09 RATED OUTPUT POWER W 30 80 145 RATED INPUT POWER...

Page 9: ...ER CAPACITOR F 30 45 45 45 LOCK ROTOR AMP A 25 56 57 85 RATED RUNNING CURRENT COOLING A 10 1 12 3 11 8 RATED RUNNING CURRENT HEATING A 9 3 11 6 12 9 RATED INPUT POWER COOLING W 2112 2660 2385 RATED IN...

Page 10: ...48 45 43 46 43 42 43 40 38 39 35 32 33 29 27 27 21 19 19 15 14 45 42 40 ACK30A AR 50 48 46 48 45 43 47 43 41 43 38 35 37 32 30 35 31 30 28 27 26 49 45 43 ACK40A AR 50 48 46 49 47 45 49 47 46 46 43 41...

Page 11: ...r conditioner outside the range of working temperature and humidity can result in serious failure Caution Outdoor temp CDB Indoor temp CWB 5 19 35 15 46 24 54 STD HIGH AMBIENT UNIT LOW AMBIENT KIT Out...

Page 12: ...0 5 046 18 TC 8 987 8 230 7 554 6 879 6 203 5 392 SC 5 502 5 316 5 150 4 984 4 818 4 619 19 4 TC 9 979 9 027 8 177 7 327 6 477 5 457 SC 5 334 5 142 4 970 4 798 4 627 4 420 20 TC 10 404 9 409 8 521 7 6...

Page 13: ...5 30 35 40 46 26 7 13 9 TC 12 597 12 135 11 723 11 311 10 899 10 404 SC 10 854 10 759 10 675 10 590 10 506 10 404 15 TC 13 716 13 093 12 536 11 980 11 423 10 755 SC 10 490 10 412 10 343 10 274 10 206...

Page 14: ...0 B BR B A C D E F H J I G K MODEL A B C D E F G H I J K ACK A All model 820 820 363 335 28 930 930 624 622 555 555 ACK B All model 650 650 345 323 22 727 727 489 489 444 444 OUTDOOR UNIT ALC 20 25 B...

Page 15: ...14 OUTDOOR UNIT ALC 30 40 50C CR A4LC 30 40 50 C CR...

Page 16: ...15 INDOOR UNIT COOLING ONLY MODEL ACK 20 25A C3A BOARD 7 WIRING DIAGRAMS OUTDOOR UNIT MODEL ALC A4LC 20 25B...

Page 17: ...16 INDOOR UNIT COOLING ONLY MODEL ACK 30A C3A BOARD OUTDOOR UNIT MODEL ALC A4LC 30C...

Page 18: ...17 INDOOR UNIT COOLING ONLY MODEL ACK 40 50A C3A BOARD OUTDOOR UNIT MODEL ALC A4LC 40 50C...

Page 19: ...18 INDOOR UNIT HEAT PUMP MODEL ACK 20 25AR C3A BOARD OUTDOOR UNIT MODEL ALC A4LC 20 25BR...

Page 20: ...19 INDOOR UNIT HEAT PUMP MODEL ACK 30AR C3A BOARD OUTDOOR UNIT MODEL ALC A4LC 30CR...

Page 21: ...20 INDOOR UNIT HEAT PUMP MODEL ACK 40 50AR C3A BOARD OUTDOOR UNIT MODEL ALC A4LC 40 50CR...

Page 22: ...21 INDOOR UNIT COOLING ONLY MODEL ACK 20 25A UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 20 25B...

Page 23: ...22 INDOOR UNIT COOLING ONLY MODEL ACK 30A UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 30C...

Page 24: ...23 INDOOR UNIT COOLING ONLY MODEL ACK 30A UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC 30B...

Page 25: ...24 INDOOR UNIT COOLING ONLY MODEL ACK 40 50A UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 40 50C...

Page 26: ...25 INDOOR UNIT HEAT PUMP MODEL ACK 20 25AR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 20 25BR...

Page 27: ...26 INDOOR UNIT HEAT PUMP MODEL ACK 30AR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 30CR...

Page 28: ...27 INDOOR UNIT HEAT PUMP MODEL ACK 40 50AR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC A4LC 40 50CR...

Page 29: ...28 INDOOR UNIT COOLING ONLY MODEL ACK 15B UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC15B...

Page 30: ...29 INDOOR UNIT COOLING ONLY MODEL ACK 20 25B UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC20 25B...

Page 31: ...30 INDOOR UNIT COOLING ONLY MODEL ACK 30B UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC30C...

Page 32: ...31 INDOOR UNIT COOLING ONLY MODEL ACK 30B UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC 30B...

Page 33: ...32 INDOOR UNIT HEAT PUMP MODEL ACK 15BR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC 15BR...

Page 34: ...33 INDOOR UNIT HEAT PUMP MODEL ACK 20 25BR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC 20 25BR...

Page 35: ...34 INDOOR UNIT HEAT PUMP MODEL ACK 30BR UNIVERSAL BOARD OUTDOOR UNIT MODEL ALC 30CR...

Page 36: ...35 ATTACHMENT 60HZ OUTDOOR UNIT MODEL ALC 30C COOLING ONLY 60HZ 1 PHASE 208 230V MODEL ALC 40 50C COOLING ONLY 60HZ 3 PHASE 200 230V MODEL ALC 40 50CR COOLING ONLY 60HZ 3 PHASE 200 230V...

Page 37: ...36 3 PHASE FOR 2 3 HP OUTDOOR UNIT MODEL ALC 20 25B COOLING ONLY 3 PHASE 50 HZ 380 415V MODEL ALC 30C COOLING ONLY 3 PHASE 50 HZ 380 415V...

Page 38: ...37 MODEL ALC 20 25BR HEAT PUMP 3 PHASE 50HZ 380 415V MODEL ALC 30CR HEAT PUMP 3 PHASE 50HZ 380 415V...

Page 39: ...ALC 20 25B COOLING ONLY 50HZ 1 PHASE 220 240V 60HZ 1 PHASE 208 230V OUTDOOR UNIT MODEL ALC 30C COOLING ONLY 50HZ 1 PHASE 220 240V 60HZ 1 PHASE 208 230V OUTDOOR UNIT MODEL ALC 40 50C COOLING ONLY 50HZ...

Page 40: ...OUTDOOR UNIT MODEL ALC 20 25BR HEAT PUMP 50HZ 1 PHASE 220 240V OUTDOOR UNIT MODEL ALC 30CR 50HZ 1 PHASE 220 240V 60 HZ 1 PHASE 220V OUTDOOR UNIT MODEL ALC 40 50CR 50HZ 3 PHASE 380 415V 60HZ 3 PHASE 22...

Page 41: ...40 LOW AMBIENT UNIT OPTIONAL OUTDOOR UNIT MODEL ALC 10B 15B 50HZ OUTDOOR UNIT MODEL ALC 20B 25B 50HZ...

Page 42: ...41 LOW AMBIENT UNIT OUTDOOR UNIT MODEL ALC 10 15BR 50HZ 1 PHASE 220 240V OUTDOOR UNIT MODEL ALC 20BR 50HZ 1 PHASE 220 240V OUTDOOR UNIT MODEL ALC 25BR 50HZ 1 PHASE 220 240V...

Page 43: ...oo long to moist air 4 CHECK LIST BEFORE INSTALLATION SERVICING Tubing Refrigerant R407C is more easily affected by dust of moisture compared with R22 make sure to temporarily cover the ends of the tu...

Page 44: ...R407C in vapor phase is different from liquid phase f Normally the R407C cylinder or can is being equipped with a dip pipe for liquid withdrawal However if the dip pipe is not available invert the cyl...

Page 45: ...vided for the indoor unit from the wall and obstacles as shown in the figure The installation place must be strong enough to support a load of 4 times the indoor unit weight to avoid amplifying noise...

Page 46: ...nage Avoid the drain pipe from up and down slope to prevent reversal flow During the drain piping connection be careful not to exert extra force on the drain connector at indoor unit The outside diame...

Page 47: ...panel Open the air intake grille by pulling back the catchers and remove it together with filter from panel Install the front frame panel onto the indoor unit by using 4 screws and tighten it complete...

Page 48: ...racticable A place capable of carrying the weight of the outdoor unit and isolating noise and vibration A place where there are no obstruction of air flow into or out the unit Do not put any object wh...

Page 49: ...line If any brazing work is required ensure that nitrogen gas is passed through coil and joints while brazing work is being carried out This will eliminate soot formation on the inside wall of copper...

Page 50: ...C20BRK ALC25BRK ALC30CR L 7 m 0 050 0 050 0 100 0 100 L 10 m 0 075 0 075 0 500 0 250 L 15 m 0 150 0 150 0 750 0 500 L 20 m 0 750 All refrigerant charge is in kg Diagram shows typical charging method E...

Page 51: ...Sensor Contact Loose Short Gas Leak Faulty Compressor Overload Condensate Water Overflow Outdoor Defrost For Heatpump Only m ON m l ON OR OFF BLINKING WIRED REMOTE CONTROL C3A BOARD COOLING ONLY MODE...

Page 52: ...aulty Heat LED Blinking Outdoor Defrost For Heatpump Only Water Pump The water pump will on if compressor is on during cooling cycle The pump will remain on for at least 5 minutes after the compressor...

Page 53: ...ioning of two rooms simultaneously POSSIBLE DIRECTION FOR AIR DISCHARGE AND AIR INTAKE Note 1 Avoid to use the short duct on which the air discharge grille can be completely closed to prevent evaporat...

Page 54: ...n pipe from the flexible drain hose Test run 1 Conduct a test run after water drainage test and gas leakage test 2 Watch out for the following a Is the electric plug firmly inserted into the socket b...

Page 55: ...ature setting between C and F TIMER SETTING Press set button to activate the timer setting from 1 hour to 15 hour of the air conditioning unit It will be in On or Off condition after the set time depe...

Page 56: ...0 hours 6 Sleep mode Press button to activate the sleep function This function can only be activated under cool or heating mode operation When it is activated under cool mode operation the set tempera...

Page 57: ...ng 8 OFF timer setting Press the SET button will activate the off timer function Set the desired off time by pressing the SET button continuously Press the CLR button to cancel the off timer setting 9...

Page 58: ...e Never use petrol thinner benzene or other volatile chemicals which may cause plastic surface to deform At least once a month Condense Drain Pan Pipe 1 Check the cleanliness and clean it if necessary...

Page 59: ...utes 2 The unit does not work Power failure or need to replace the fuse The power plug is disconnected It is possible that your delay timer has been set incorrectly If the fault persist after the veri...

Page 60: ...1 COIL SUPPORT 5 FAN MOTOR WASHER 22 PARTITION 6 BOTTOM COUPLING 23 SIDE PANEL FRONT 7 TURBO FAN 24 VALVE PLATE 8 TOP COUPLING 25 DRAIN CONNECTOR 9 FLAT WASHER 26 SIDE PANEL BACK 10 PLAIN WASHER 27 AI...

Page 61: ...PARTITION 5 FAN MOTOR WASHER 23 SIDE PANEL FRONT 6 BOTTOM COUPLING 24 VALVE PLATE 7 TURBO FAN 25 DRAIN CONNECTOR 8 TOP COUPLING 26 SIDE PANEL BACK 9 FLAT WASHER 27 AIR GUIDE 10 PLAIN WASHER 28 DRAIN...

Page 62: ...ECEIVER BRACKET 14 PANEL COVER 3 DISCHARGE HOUSING A 15 FIX PLATE 4 METAL LOUVER A 16 AIR INTAKE GRILLE 5 DISCHARGE HOUSING B 17 GRILLE LOCK 6 METAL LOUVER B 18 GRILLE LOCK BRACKET 7 DISCHARGE HOUSING...

Page 63: ...LTER 13 SWING MOTOR BRACKET 3 DISCHARGE HOUSING A 14 PANEL COVER 4 METAL LOUVER A 15 FIX PLATE 5 DISCHARGE HOUSING C 16 AIR INTAKE GRILLE 6 AIR SWING CAP 17 GRILLE LOCK 7 DISCHARGE HOUSING D 18 GRILLE...

Page 64: ...6 FLINGER 22 ASSY TERMINAL BOX PANEL W O CONT 7 WASHER RING 23 ASSY SIDE PANEL 8 FAN BLADE 24 ASSY ACCESS PANEL 9 WASHER SQUARE 25 PLATE FLARE VALVE 10 HEX NUT 26 VALVE FLARE C W ACC 5 8 11 LABEL BLA...

Page 65: ...PARTS DESCRIPTION 1 BASE PAN ASY 8 FAN BLADE 2 ACCESS SERVICE PANEL 9 FRONT PANEL ASSY 3 CONDENSER COIL ASSY 10 SIDE PANEL LEFT 4 COMPRESSOR 11 TERMINAL BOX ASSY 5 PARTITION PANEL 12 BACK PANEL 6 VALV...

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