Heat Controller Vmc24sb-1, Vmc18sb-1, As-q1835jz0, As-q2435jz0 Service 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
Only for authorized service personnel.
HEAT CONTROLLER, INC.
1. Specification
Models
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
COP W/W Power Supply Ø / V / Hz Power Factor % Air Flow Rate Indoor,Max mm3/min(cfm)
Moisture Removal l/h Sound Level Indoor,H/M/L dB(A)+3
Refrigerant & Charge(at 7.5m) g(oz) Additional Refrigerant Charge g/m(oz/ft) Compressor Type
Fan(Indoor) Type
Fan(outdoor) Type
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
Net Weight Indoor kg(lbs)
Operation Range Cooling(Outdoor) ˚C
Max. Piping Length m(ft) Max. Elevation Difference m(ft) Tool Code(Chassis) Indoor + Outdoor Functions Temperature Control
Network Functions Dry Contact
Outdoor,Max mm3/min(cfm)
Outdoor,Max dB(A)+3
Model Motor Type Oil Type Oil Charge cc O.L.P Name
Motor Output W
Motor Type Motor Output W
Outdoor(W*H*D) mm
Outdoor kg(lbs)
Heating(Outdoor) ˚C
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 Solution(LGAP) PI485
Note:
O
: Applied, - : No relation
*
For circuit breaker rating, please conform to local standards wherever necessary.
Btu/h.W
inch
inch
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
1/208-230/60 1/208-230/60
R410A, 1,200(42) R410A, 1,800(63)
Rotary Rotary
5CS130XCA03 5KD240XCA21
BLDC BLDC
RB68A FV50S
360 900
-­Cross Flow Fan Cross Flow Fan
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
-10 ~ 46 (14.0114.8)(Low Ambient) -10 ~ 46 (14.0~114.8)(Low Ambient)
Wireless LCD Wireless LCD
18 ~ 30 (64~86) 18 ~ 30 (64~86)
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.
--
--
1640/- 2450/-
7.3/- 11.0/-
7.3/- 11.0/-
3.22 2.87
11.0 9.8
--
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
20(0.22) 30(0.32)
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)
13.0(28.7) 13.0(28.7) 48(105.8) 66(145.5)
--
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
--
--
-­OO
24h On/Off 24h On/Off
OO OO
22
--
--
O / - O / -
OO
--
--
--
--
Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
- 2 -
LGE Internal Use Only
2. Piping Diagrams
Indoor Unit Outdoor Unit
Liquid Side
EEV
Th1
Th2
2-Way Valve
Heat Exchanger (Evaporator)
Th3
Gas Side
3-Way Valve
Accumulator
Compressor
LOC. Description PCB Connector
Th1 Thermistor for indoor air temperature CN_TH1(INDOOR)
Th2
CN_TH2(INDOOR)
Thermistor for evaporating temperature
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
Heat Exchanger (Condenser)
Th4
Th5
Th6Th7
Refrigerant Flow
Copyright ©2008 LG Electronics. Inc. All right reserved. Only for training and service purposes
- 3 -
LGE Internal Use Only
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