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Emerald LCU-07, Technical Manual

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Emerald LCU-07 Technical Manual Download Page 17

OUTLINES AND DIMENSIONS

OUTDOOR UNIT

MODEL:   LCU SERIES (COOLING ONLY AND HEAT PUMP)

DIMENSION (mm)

CONNECTION

WEIGHT

MODEL

CAPACITY

(BTU/H)

H

W

D

LIQUID

SUCTION

NET

GROSS

LCU-07

7,000

535

765

280

!

"

#

$

28

31

LCU-09

9,000

535

765

280

!

"

#

$

31

34

LCU-12

12,000

535

765

280

!

%

37

40

LCU-18

18,000

595

870

320

"

#

$

&

#

$

47

51

LCU-24

24,000

640

970

400

"

#

$

&

#

$

65

71

LCU-30

30,000

795

970

400

"

#

$

&

#

$

73

80

LCU-36

36,000

95

970

400

"

#

$

&

#

$

75

82

LCU-48

48,000

1,050

976

400

%

'

96

104

LCU-56

56,000

1,250

976

400

%

'

105

113

LCU-60

60,000

1,250

976

400

%

'

105

113

LCU-07, 09, 12, 18, 24, 30, 36

LCU-48, 56, 60

Summary of Contents for LCU-07

Page 1: ...R LCU MODEL Issue by Date Checked by Date Approved by Date CONDENSING UNIT CONDENSING UNIT R 22 R407C R 22 R407C MODELS LCU 07 07R LCU 09 09R LCU 12 12R LCU 18 18R LCU 24 24R LCU 30 30R LCU 36 36R LCU 48 48R LCU 56 56R LCU 60 60R ...

Page 2: ......

Page 3: ... SPECIAL FEATURES SPECIFICATIONS NOISE LEVEL OPERATION RANGE REFRIGERANT CIRCUIT OUTLINES AND DIMENSIONS WIRING DIAGRAMS SPECIAL PRECAUTIONS FOR R407C INSTALLATION PARTS LIST TROUBLESHOOTING SERVICE AND MAINTENANCE ...

Page 4: ... on the coil guard Extra strong molded valve supports 1 5 mm Thickness for easy installation Fully charged for 5 meters refrigerant piping Extra heavy duty fan motor and motor support Flare couplings with three way service valves Electrogalvanized and phosphate coated steel cabinet with baked on finished coat Built in drain pipe connector for condense heat pump only Hydrophilic coated aluminum fin...

Page 5: ... Hz 46 48 49 50 50 52 52 54 56 56 TYPE PROPELLER TYPE CORRUGATED FIN STRAIGHT EDGE FIN INCH 14 TUBE DIA 3 8 Liquid mm 6 35 6 35 6 35 9 52 9 52 9 52 9 52 12 70 12 70 12 70 Suction mm 9 52 9 52 12 70 15 88 15 88 15 88 15 88 19 05 19 05 19 05 HEIGHT mm 535 535 535 595 640 795 795 1050 1250 1250 WIDTH mm 765 765 765 870 970 970 970 976 976 976 DEPTH mm 280 280 280 320 400 400 400 400 400 400 HEIGHT mm...

Page 6: ...z 3 21 4 16 5 36 8 85 11 53 13 97 16 27 20 91 25 17 27 75 HEATING 60 Hz 3 16 4 07 5 26 8 76 11 44 13 88 16 17 20 77 25 07 27 61 V Ph Hz 50 Hz 220 240 1 50 380 420 3 50 V Ph Hz 60 Hz 208 230 1 60 ROTARY SCROLL AIR FLOW 50 Hz 1 000 1 200 1 200 1 600 1 800 2 000 2 000 2 400 3 600 3 600 CFM 60 Hz 1 000 1 200 1 200 1 680 1 870 2 060 2 060 2 450 3 660 3 660 NOISE 50 Hz 46 48 49 50 50 52 52 54 56 56 dBA ...

Page 7: ... 48 49 50 50 52 52 54 56 56 TYPE PROPELLER TYPE CORRUGATED FIN STRAIGHT EDGE FIN INCH 14 TUBE DIA 3 8 Liquid mm 6 35 6 35 6 35 9 52 9 52 9 52 9 52 12 70 12 70 12 70 Suction mm 9 52 9 52 12 70 15 88 15 88 15 88 15 88 19 05 19 05 19 05 HEIGHT mm 535 535 535 595 640 795 795 1050 1250 1250 WIDTH mm 765 765 765 870 970 970 970 976 976 976 DEPTH mm 280 280 280 320 400 400 400 400 400 400 HEIGHT mm 600 6...

Page 8: ...Hz 3 25 4 21 5 45 8 90 11 58 14 07 16 36 21 00 25 26 27 85 HEATING 60 Hz 3 21 4 11 5 41 8 80 11 44 13 97 11 48 20 86 25 12 27 70 V Ph Hz 50 Hz 220 240 1 50 380 420 3 50 V Ph Hz 60 Hz 208 230 1 60 ROTARY SCROLL AIR FLOW 50 Hz 1 000 1 200 1 200 1 600 1 800 2 000 2 000 2 400 3 600 3 600 CFM 60 Hz 1 000 1 200 1 200 1 680 1 870 2 060 2 060 2 450 3 660 3 660 NOISE 50 Hz 46 48 49 50 50 52 52 54 56 56 dBA...

Page 9: ...U 24 High 60 57 54 50 48 40 32 54 50 Medium 57 54 50 48 43 37 29 53 48 Low 53 50 47 45 38 32 26 50 46 LCU 30 High 62 61 56 53 48 42 30 58 52 Medium 60 58 52 48 43 38 28 54 48 Low 53 52 45 43 36 34 26 47 44 LCU 36 High 62 61 56 53 48 39 2 30 58 52 Medium 60 58 52 48 43 34 6 28 54 48 Low 53 52 48 43 36 30 8 26 47 44 LCU 48 High 62 61 57 54 48 44 34 58 54 Medium 59 58 52 51 45 39 31 55 49 Low 52 51 4...

Page 10: ...quency Hz Sound pressure level High fan Medium fan Low fan NC 50 NC 45 NC 40 NC 35 NC 30 NC 20 NC 25 LCU 09 CURVES 0 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 Octave band frequency Hz Sound pressure level High fan Medium fan Low fan NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 ...

Page 11: ...quency Hz Sound pressure level NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 High fan Medium fan Low fan LCU 18 CURVES 0 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 Octave band frequency Hz Sound pressure level NC 30 NC 20 NC 40 NC 25 NC 45 NC 35 NC 50 High fan Medium fan Low fan ...

Page 12: ...quency Hz Sound pressure level NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 High fan Medium fan Low fan LCU 30 CURVES 0 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 Octave band frequency Hz Sound pressure level NC 30 NC 20 NC 40 NC 25 NC 45 NC 35 NC 50 High fan Medium fan Low fan ...

Page 13: ...quency Hz Sound pressure level NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 High fan Medium fan Low fan LCU 48 CURVES 0 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 Octave band frequency Hz Sound pressure level NC 30 NC 20 NC 40 NC 25 NC 45 NC 35 NC 50 High fan Medium fan Low fan ...

Page 14: ...quency Hz Sound pressure level NC 50 NC 45 NC 40 NC 35 NC 30 NC 25 NC 20 High fan Medium fan Low fan LCU 60 CURVES 0 10 20 30 40 50 60 70 125 250 500 1000 2000 4000 8000 Octave band frequency Hz Sound pressure level NC 30 NC 20 NC 40 NC 25 NC 45 NC 35 NC 50 High fan Medium fan Low fan ...

Page 15: ...OW AMBIENT KIT Indoor temp o CWB Indoor temp o CWB Heat pump Heating Caution The use of your air conditioner outside the range of working temperature and humidity can result in serious failure Indoor temp o CDB Outdoor temp o CDB Outdoor temp o CWB Outdoor temp o CDB STD 21 15 23 35 43 9 15 20 7 18 STD 27 STD 5 21 15 23 35 43 19 19 ...

Page 16: ...REFRIGERANT CIRCUIT MODEL INDOOR UNIT COOLING LCU MODEL INDOOR UNIT HEATING LCU ...

Page 17: ...LCU 07 7 000 535 765 280 28 31 LCU 09 9 000 535 765 280 31 34 LCU 12 12 000 535 765 280 37 40 LCU 18 18 000 595 870 320 47 51 LCU 24 24 000 640 970 400 65 71 LCU 30 30 000 795 970 400 73 80 LCU 36 36 000 95 970 400 75 82 LCU 48 48 000 1 050 976 400 96 104 LCU 56 56 000 1 250 976 400 105 113 LCU 60 60 000 1 250 976 400 105 113 LCU 07 09 12 18 24 30 36 LCU 48 56 60 ...

Page 18: ...WIRING DIAGRAMS COOLING ONLY CONDENSING UNIT MODEL LCU 07 09 12 MATCH LCU HEATPUMP CONDENSING UNIT MODEL LCU 07R 09R 12R MATCH LCU ...

Page 19: ...COOLING ONLY CONDENSING UNIT MODEL LCU 18 24 36 MATCH LCU HEATPUMP CONDENSING UNIT MODEL LCU 18R 24R 36R MATCH LCU ...

Page 20: ...COOLING ONLY CONDENSING UNIT MODEL LCU 48 56 60 MATCH LCU HEATPUMP CONDENSING UNIT MODEL LCU 48R 56R 60R MATCH LCU ...

Page 21: ...stem performance If just additional refrigerant is added to leak system system performance will drop It is recommended that the system should be evacuated thoroughly before recharging with R407C When refrigerant R407C is used the composition will differ depending on whether it is in gaseous or liquid phase Hence when charging R407C ensure that only liquid is being withdrawn from the cylinder or ca...

Page 22: ...R407C air conditioners This is to minimise the contamination of moisture and dirt in the refrigerant system Filter dryer must be of molecular sieve type For a heat pump system install a two way flow filter dryer along the liquid line 5 2 During installation or servicing avoid prolong exposure of the internal part of the refrigerant system to moist air Residual POE oils in the piping and components...

Page 23: ...ractice for R22 system is not recommended for R407C system Unlike R22 where the refrigerant is of a single component the composition of R407C Which made up of three different component may have changed during the leak Consequently a top up may not ensure that the R407C in the system is of original composition This composition shift may adversely affect the system performance It is recommended that...

Page 24: ...to scratch the room air conditioner when handling it After installation explain correct operation to the customer using the operating manual Let the customer keep this installation manual because it is used when the room air conditioner is service or move CAUTION 1 Do not install where it is the danger of combustible gas leakage 2 Do not install near heat sources 3 If children under 10 years old m...

Page 25: ...ing for protection if necessary The location must not be susceptible to dust or oil mist INSTALLATION CLEARANCE Outdoor unit must be installed such that there is no shot circuit of the hot discharge air or obstruction to smooth airflow Select The coolest possible places where intake air should not be hotter than the outside temperature ALL MODELS A B C D Minimum Distance 300 mm 1000 mm 300 mm 500 ...

Page 26: ... of the outdoor unit during heating operation install the drain pipe and connect it to a commercial 16 mm hose Heat pump model only 3 When installing the drain pipe plug another hole in the bottom of the outdoor unit with drain cap so there is no water leakage CONNECTING THE PIPING FLARE PROCESSING 1 Cut the connection pipe with pipe cutters so that the pipe is not deformed 2 Holding the pipe down...

Page 27: ...e bent or stretched Be sure to limit number of bending and stretching to three times When bending the pipe do not bend it as is the pipe will be collapsed In this case cut the heat insulation pipe with a sharp cutter as shown and bend it after exposing the pipe After bending the pipe as you want be sure to put the heat insulating pipe back on the pipe and secure it with tape CONNECTION PIPES 1 Ind...

Page 28: ...ghtening torque 7 000 12 000 Btu h 1 4 6 4mm 6 10 ft lb 8 13N m 1 2 12 7mm 15 25 ft Ib 20 33N m 18 000 36 000 Btu h 3 8 9 5mm 12 20 ft lb 16 27N m 5 8 15 9mm 20 30 ft lb 27 40N m 48 000 60 000 Btu h 1 2 12 7mm 15 25 ft lb 20 33N m 3 4 19 0mm 30 35 ft lb 40 47N m Do not remove the cap from the connection pipe before connecting the pipe CAUTION Be sure to connect the large pipe after connecting the ...

Page 29: ... m and 10m when using a connection pipe other than that in a table charge additional refrigerant with 35 g 1m As the criteria CAUTION 1 When moving and installing the air conditioner do not mix gas other than the specific refrigerant the refrigerant cycle 2 When adding refrigerant add the refrigerant from the charging port at the completion of work 3 The maximum length of the piping is 10 m If the...

Page 30: ...wdriver remove the terminal screw s on the terminal block 3 Using a round terminal fastener or pliers securely clamp a round terminal to each stripped wire end 4 Position the round terminal wire replace and tighten terminal screw by using a screwdriver ELECTRICAL REQUIREMENT For wire size and fuse table shows you as following below Model Supply cord mm2 Indoor to Outdoor cord mm2 phase Fuse capaci...

Page 31: ...TOP COVER 1 PC 11 FAN MOTOR 1 PC 3 AIR SHIELD PLATE 1 PC 12 PROPELLER 1 PC 4 FRONT PANEL 1 PC 13 FAN GUARD 1 PC 5 BACK PANEL RIGHT 1 PC 14 SERVICE VALVE SUCTION 1 PC 6 PLASTIC HANDLE RIGHT 1 PC 15 SERVICE VALVE LIQUID 1 PC 7 BACK PANEL LEFT 1 PC 16 MOTOR BRACKET 1 PC 8 COIL GUARD 1 PC 17 COMPRESSOR 1 SET 9 CONDENSER COIL 1 PC ...

Page 32: ...COVER 1 PC 11 FAN MOTOR 1 PC 3 AIR SHIELD PLATE 1 PC 12 PROPELLER 1 PC 4 FRONT PANEL 1 PC 13 FAN GUARD 1 PC 5 BACK PANEL RIGHT 1 PC 14 SERVICE VALVE SUCTION 1 PC 6 PLASTIC HANDLE RIGHT 1 PC 15 SERVICE VALVE LIQUID 1 PC 7 BACK PANEL LEFT 1 PC 16 MOTOR BRACKET 1 PC 8 COIL GUARD 1 PC 17 COMPRESSOR 1 SET 9 CONDENSER COIL 1 PC ...

Page 33: ...P COVER 1 PC 11 FAN MOTOR 2 PCS 3 AIR SHIELD PLATE 1 PC 12 PROPELLER 2 PCS 4 FRONT PANEL 1 PC 13 FAN GUARD 2 PCS 5 SIDE PANEL 1 PC 14 SERVICE VALVE SUCTION 1 PC 6 BACK PANEL RIGHT 1 PC 15 SERVICE VALVE LIQUID 1 PC 7 BACK PANEL LEFT 1 PC 16 MOTOR BRACKET 1 PC 8 COIL GUARD 1 PC 17 COMPRESSOR 1 SET 9 CONDENSER COIL 1 PC ...

Page 34: ...otector and replace if inoperative Open capacitor Test capacitor and replace if inoperative Inoperative system switch Test for continuity in all positions Replace if inoperative Compressor does not run Broken loose or incorrect wiring Refer to appropriate wiring diagram to check wiring Inoperative system switch Test switch and replace if inoperative Broken loose or incorrect wiring Refer to applic...

Page 35: ...position Unit does not run Loose or disconnected wiring at switch or other components Check wiring and connections Reconnect per wiring diagram Poorly installed unit Refer to Installation instruction for proper installation Fan blade striking chassis Reposition adjust motor mount Compressor vibrating Check that compressor grommets have not deteriorated Check that compressor mounting parts are not ...

Page 36: ...oor Fan Check if there is any abnormal noise if necessary Indoor Outdoor Coil 1 Check and remove the dirt between the fins 2 Check and remove any obstacles which ginder air flow through the indoor or outdoor Every month Power Supply Check the running current and voltage for indoor and outdoor unit Every 2 months Every year Compressor No maintenance needed if refrigerant circuit remains sealed Howe...

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