Heat Controller AS-Q1835JZ0 User manual

Wall Mounted
Mini-Split System
Inverter Single-Zone
Air Conditioning
Service Manual
AS-Q1835JZ0 [VMC18SB-1]
AS-Q2435JZ0 [VMC24SB-1]
Before servicing the unit, read the
“safety precautions” in this manual.
Only for authorized service personnel.
HEAT CONTROLLER, INC.

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
1. Specification
Cooling Capacity kW
(Min~Rating~Max) Btu/h
Heating Capacity kW
(Min~Rating~Max) Btu/h
Power Input Cooling/Heating W
Running Current Cooling/Heating A
Starting Current Cooling/Heating A
EER W/W
Btu/h.W
COP W/W
Power Supply Ø / V / Hz
Power Factor %
Air Flow Rate Indoor,Max mm
3
/min(cfm)
Outdoor,Max mm
3
/min(cfm)
Moisture Removal l/h
Sound Level Indoor,H/M/L dB(A)+3
Outdoor,Max dB(A)+3
Refrigerant & Charge(at 7.5m) g(oz)
Additional Refrigerant Charge g/m(oz/ft)
Compressor Type
Model
Motor Type
Oil Type
Oil Charge cc
O.L.P Name
Fan(Indoor) Type
Motor Output W
Fan(outdoor) Type
Motor Type
Motor Output W
Circuit Breaker* A
Power Supply Cable NEC
Power and Transmission Cable NEC
Piping Liquid Side mm(in)
Connections Gas Side mm(in)
Drain Hose O.D , I.D mm(in)
Dimension Indoor(W*H*D) mm
inch
Outdoor(W*H*D) mm
inch
Net Weight Indoor kg(lbs)
Outdoor kg(lbs)
Operation Range Cooling(Outdoor) ˚C
Heating(Outdoor) ˚C
Max. Piping Length m(ft)
Max. Elevation Difference m(ft)
Tool Code(Chassis) Indoor + Outdoor
Functions Temperature Control
Plasma Filter
Prefilter(washable/anti-fungus)
Auto Clean
CHAOS Wind(Auto Wind)
Steps, Fan/Cool/Heat
Airflow Direction Control(up&down)
Airflow Direction Control(left&right)
Remocon Type
Setting Temperature Cooling
Range Heating
Auto Operation (Micom Control)
Auto Changeover (Micom Control)
Self Diagnosis
Timer
Sleep Operation
Soft Dry Operation
Restart Delay(minute)
Deice Control(Defrost)
Hot Start
Jet Cool / Heat
Low Ambient Operation
Special Function
Network Functions Dry Contact
Network Solution(LGAP)
PI485
Models
AS-Q1835JZ0 [VMC18SB-1] AS-Q2435JZ0 [VMC24SB-1]
1.76~5.28~5.80 3.87~7.03~7.74
6,005~18,000~19,790 13,200~24,000~26,400
--
--
1640/- 2450/-
7.3/- 11.0/-
7.3/- 11.0/-
3.22 2.87
11.0 9.8
--
1/208-230/60 1/208-230/60
98 97
18.5(650) 20.3(717)
42(1,483) 58(2,048)
2.1 2.7
40/38/34 45/40/37
53 54
R410A, 1,200(42) R410A, 1,800(63)
20(0.22) 30(0.32)
Rotary Rotary
5CS130XCA03 5KD240XCA21
BLDC BLDC
RB68A FV50S
360 900
--
Cross Flow Fan Cross Flow Fan
20 24
Propeller Propeller
BLDC AC Induction
85.3 76.5
20 25
14 12
18 18
6.35(1/4) 9.52(3/8)
12.7(1/2) 15.88(5/8)
21.5,16(0.85,0.63) 21.5,16(0.85,0.63)
1,090*300*178 1,090*300*178
42.9*11.8*7.0 42.9*11.8*7.0
870*655*320 870*800*320
34.3*25.8*12.6 34.3*34.6*12.6
13.0(28.7) 13.0(28.7)
48(105.8) 66(145.5)
-10 ~ 46 (14.0114.8)(Low Ambient) -10 ~ 46 (14.0~114.8)(Low Ambient)
--
15(49) 30(98)
7(23) 15(49)
S8 + UE S8 + UE1
Thermistor Thermistor
--
OO
OO
OO
-/4/4 -/4/4
Auto Auto
Auto Auto
Wireless LCD Wireless LCD
18 ~ 30 (64~86) 18 ~ 30 (64~86)
--
--
--
OO
24h On/Off 24h On/Off
OO
OO
22
--
--
O / - O / -
OO
--
--
--
--
Note:
O
: Applied, - : No relation
* For circuit breaker rating, please conform to local standards wherever necessary.
❈ Some of functions are slightly different depending upon models.
❈ The specification may be subject to change without prior notice for purpose of improvement.
❈ Capacity : based on 203V.

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
2. Piping Diagrams
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
EEV
Compressor
Accumulator
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Refrigerant Flow
Th1
Th2
Th3
Th5
Th6Th7
Th4
LOC. Description PCB Connector
Th1 Thermistor for indoor air temperature CN_TH1(INDOOR)
Th2 Thermistor for evaporating temperature CN_TH2(INDOOR)
Th3 CN_TH3(INDOOR)
Th4 Thermistor for outdoor air temperature CN_TH2(OUTDOOR)
Th5 Thermistor for condensing temperature
Th6 Thermistor for discharge pipe temperature CN_TH3(OUTDOOR)
Th7 Thermistor for suction pipe temperature

- 4 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
3. Wiring Diagrams
CN_HUB/UV
CN_DISP2(BL)
CN_12V
CN_DISP(WH)
CN_TH1
CN_MOTOR1
CN_TH2
CN_L/R(BL)CN_L/R(BL)
Indoor Unit

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
CN_FAN(A)CN_4WAY
CN_TH3
CN_COIL1
CN_COIL2
CN_TH1
CN_TH2
CN_LEV1
Outdoor Unit

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Indoor Unit
4. Exploded View
152301
342800
263230
359011
131410
135316
135314
135311
268711A
146811
346810
135516
35211B
352150
354210
149304
249951
268711B
267110
147581
733010
Indoor Air, Evaporator
Thermistor
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)

- 7 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Outdoor Unit 18k
554031
263230B
435512
437212
435511
268711F
550140
552203A
552203B
447910
567480E
Discharge
Suction
S-pipe, D-pipe
Thermistor
649950
W0CZZ
437211
559010
546810
435301
349480
349600
661400
552113
437210
554160
261704
430960A
Outdoor Air, Condenser
Thermistor
EEV Coil
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Outdoor Unit 24k
435300
137213B
137213A
435512
554031
552202
552116
661400
263230D
435511
263230E
554160
550140
649950
261704
W0CZZ
268711F
552113
559010
437211
435301
546810
549610
447910
552203A
552203B
263230E
430960A
EEV Coil
Outdoor Air, CondenserOutdoor Air, Condenser
ThermistorThermistor
Outdoor Air, Condenser
Thermistor
S-pipe, D-pipe
Thermistor
S-pipe, D-pipe
Thermistor
Note) * Please ensure GCSC since the replacement parts may be changed depending upon the buyer's request.
Please check the correct parts in View RPL(Replacement Part List) on GCSC.
(GCSC Website http://biz.Lgservice.com,)
437210

Specifications and performance data subject to change without notice.
HEAT CONTROLLER, INC.
1900 WELLWORTH AVENUE •JACKSON, MICHIGAN 49203
THE QUALITY LEADER IN CONDITIONING AIR
P/No.:MFL42286413