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

“safety precautions” in this manual.

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:

: Applied, - : No relation

For circuit breaker rating, please conform to local standards wherever necessary.

Btu/h.W

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/-

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

O / - O / -

- 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

- 3 -

LGE Internal Use Only

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