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Service Manual - Page 2
Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Model Number Nomenclature ...3 Symbols Used in this Manual ...4
Safety Precautions...5 Dimensions...11
Indoor Unit...11 Outdoor Unit ...12 Product Specifications ...13 Installation ...15 Installation Parts...15 Installation Tools...15 Select the best location ...16 Piping length and elevation ...17 Fixing Installation Plate(Standart Type...
Service Manual - Page 3
... Cooling Capacity in Btu/h Ex) 24,000 Btu/h '24', 36,000 Btu/h '36'
Model Type H: Heat Pump C: Cooling Only
R-410A MPS Variable Multi System Outdoor Unit And No. look type
L : L- of Connectable Indoor Units Ex) A2U : Connectable max. 2 Indoor Units
Service Manual 3 look type
M : M- look type G : G- look type
N : N- Model Number Nomenclature
Model Number Nomenclature
Indoor...
Service Manual - Page 6
...install, remove, or reinstall the unit by yourself (customer).
• There is risk of fire or electric shock.
6 Multi type Air Conditioner...installation, always contact the dealer or an Authorized Service Center.
• There is left open.
Do not let the air conditioner... unpacking and installing the product.
• Sharp edges could not be pulled out or damaged during operation.
•...
Service Manual - Page 10
... cause burns or other objects through the air inlet or outlet while the product is operated.
• There is risk of the air conditioner and could cause product malfunction or damage.
• There are sharp and moving parts that could cause personal injury. Replace the all batteries in the remote control with clean water.
Do not dispose of...
Service Manual - Page 13
... (LMN120HE)
3,023(3,516) 12,000
3,023(3,516) 12,000 9.4(332) 16~30 15
DL-88430LGIF DC36 0.15
Cross Flow Fan 1/3.74(95) 36 / 32 / 29 Thermistor 0.197(5.0) 18 2R,15C 1.2
35.2*11.1*6.5(895*282*165) 9.5(20.9) 1/4 (6.35) 3/8 (9.52) 20
38.3*9.1*14.6(973*231*372) 353/719 (792)
Indoor Unit Type
Nominal Cooling Capacity #
Model
Nominal Heating Capacity #
Air Circulation
H/M/L
Setting...
Service Manual - Page 15
Installation Parts
Installation plate
Type "B" screw
Installation
Type "A" screw and plastic anchor Remote Control Holder
Installation Tools
Figure
Name Screw driver
Electric Drill
Measuring Tape, Knife Hole Core Drill Spanner
Torque wrench
Figure
Name Ohmmeter
Hexagonal wrench
Ammeter Gas Leak Detector
Thermometer, Level
Flaring Tool Set
Service Manual 15 Installation
Read carefully, and ...
Service Manual - Page 20
... MAP
Indoor
WALL
Outdoor
5-7mm (0.2~0.3")
20 Multi type Air Conditioner INSTALLATION GUIDE MAP
7. Drive the fore plastic anchors into drilled points. Hang the hole of nothing wrong in the matter, connect the pipe and the wire. (Installation manual reference)
I Sticking the installation guide map and fixing Indoor unit
1. Installation
I Drill a hole in the wall
• Drill the piping...
Service Manual - Page 35
... water from entering into electrical parts. Secure the tapped piping along the exterior wall. Secure the taped piping along the exterior wall using saddle or equivalent.
Trap
Trap
Service Manual 35 Taping Drain hose
Plastic band
Pipings
Connecting cable
Power supply cord
• Trap is installed below the indoor unit perform the following .
1. Seal a small...
Service Manual - Page 39
... test run , carry out the cooling operation firstly even during heating season.
Then attention must provide at least 90% of outdoor unit
I In the case when the vibration of wind and earthquake. Otherwise, the air conditioner should not be paid. If heating operation is conveyed to the trouble of the gas side service valve.
The pressure of compressor.
I To...
Service Manual - Page 45
... set at 27°C(80.6°F).
Service Manual 45 Time Delay Safety Control • Restarting is dependent on model type. "Wall Mounted Type is standard" * Functions is delayed for 5 seconds at low speed. Function of fan at the starting. Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only)
Outdoor unit : Lights up during Timer operation...
Service Manual - Page 46
...at low speed. Natural Air Control by Remote controller
Sensing the Room Temperature • Room temperature sensor. (THERMISTOR) Room temperature control • Maintains the room temperature in any
operation mode with the Setting Temp. Defrost(Deice) control (Heating)
• Both the indoor and outdoor fan stops during outdoor unit operation.(Cooling model only)
Desire temperature For...
Service Manual - Page 48
...16 AUTO CLEAN Used to set Auto Clean mode.
17 ˚C TO ˚F SWITCHING BUTTON Used to switch temperature reading from Centigrade to Fahrenheit.
18 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (NOT ON ALL MODELS) Used to the system. Operation
Remote Control Operation
The Remote Controller transmits the signals to set the desired horizontal airflow direction.
48 Multi type Air Conditioner
Service Manual - Page 65
...
33
D-Pipe High(Normal)
44
Outdoor Air Thermistor Error(Open/Short)
45
Cond Pipe Thermistor Error(Open/Short)
47
Const. Troubleshooting Guide
Self-diagnosis Function
I Error Indicator • The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble. • Error mark is ON/OFF for the operation LED of evaporator body in the...
Service Manual - Page 67
... of the P.C.B. Service Manual 67 Does "Beeping" sound is O.K.
• Check CN-DISP1
The operation check of micom pin 29
: DC4.5V↑
Remedy 1) Replace
power transfomer. 2) Replace
power transfomer. 3) Replace IC01D. 4) Replace IC02D. 5) Replace IC01A. Electronic Parts Troubleshooting Guide
❇ Refer to the unit. • The connecting method of power trans-
Trouble 1 The...
Service Manual - Page 69
... remote controller is less than one of Outdoor side. When in bad connection or are not engaged, Compressor/Outdoor fan is stopped. • Check the related circuit of relay in Outdoor PCB Ass'y. Check the electrical wiring diagram of the Indoor temperature by the themperature of connecting wires between Indoor and Outdoor. Troubleshooting Guide
Trouble...
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