LG ZUAA1 User manual

INSTALLATION MANUAL
AIR
CONDITIONER
www.lg.com
Copyright © 2022 LG Electronics Inc. All Rights Reserved.
Please read this installation manual completely before installing the product.
Installation work must be performed in accordance with the national wiring standards
by authorized personnel only.
Please retain this installation manual for future reference after reading it thoroughly.
Single Outdoor
ENGLISH
BAHASA INDONESIA
Rev : 00_071522
MFL63260125
*MFL63260125*

2TIPS FOR SAVING ENERGY
ENGLISH
• Do not cool excessively indoors. This may be harmful to your health and may consume more elec-
tricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air condi-
tioner is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the
air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them labeled on the side of each unit.
Dealer’s name :
Date of purchase :
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
TIPS FOR SAVING ENERGY
1,MFL67448529,영영 2017. 6. 19. 영영 3:45 Page 2

SAFETY INSTRUCTIONS 3
ENGLISH
WARNING
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Installation work must be performed in accordance with the National Electric Code by
qualified and authorized personnel only.
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments.
• Failure to carefully read and follow all instructions in this manual can result in equipment
malfunction, property damage, personal injury and/or death.
• Compliance with national gas regulations shall be observed.
• This equipment shall be provided with a supply conductor complying with the national regulation.
• Ducts connected to an appliance shall not contain an ignition source. (for R32)
!
WARNING
This indicates that the failure to follow the instructions can cause serious injury or death.
CAUTION
This indicates that the failure to follow the instructions can cause the minor injury or damage to
the product.
This symbol is displayed to indicate matters and operations that can cause risk.
Read the part with this symbol carefully and follow the instructions in order to avoid risk.
!
!
!
SAFETY INSTRUCTIONS
The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe
or incorrect operation of the appliance.
The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.
Read the precautions in this manual
carefully before operating the unit.
This appliance is filled with
flammable refrigerant. (for R32)
This symbol indicates that the
Operation Manual should be read
carefully.
This symbol indicates that a
service personnel should be
handling this equipment with
reference to the Installation Manual.
Installation
• Do not use a defective or underrated circuit breaker. Use the correctly rated breaker and fuse.
- There is risk of fire or electric shock.
• Any person who is involved with working on or breaking into a refrigerant circuit should hold
a current valid certificate from an industry-accredited assessment authority, which authorizes
their competence to handle refrigerants safely in accordance with an industry recognized
assessment specification. (for R32)
• Servicing shall only be performed as recommended by the equipment manufacturer.
Maintenance and repair requiring the assistance of other skilled personnel shall be carried out
under the supervision of the person competent in the use of flammable refrigerants. (for R32)

4SAFETY INSTRUCTIONS
ENGLISH
• Always ground the product as per the wiring diagram. Do not connect the ground wire to gas or
water pipes lightening rod or telephone ground wire. There is risk of fire or electric shock.
• Install the panel and the cover of control box securely.
- There is risk of fire or electric shock due to dust, water etc.
• Use the correctly rated breaker or fuse. There is risk of fire or electric shock.
• Do not modify or extend the power cable. If the power cable or cord has scratches or skin
peeled off or deteriorated then it must be replaced. There is risk of fire or electric shock.
• For installation, removal or reinstall, always contact the dealer or an Authorized Service Center.
- There is risk of fire, electric shock, explosion, or injury.
• Do not install the product on a defective installation stand. Be sure that the installation area
does not deteriorate with age. It may cause product to fall.
• Never install the outdoor unit on a moving base or a place from where it can fall down.
- The falling outdoor unit can cause damage or injury or even death of a person.
• In outdoor unit the step-up capacitor supplies high voltage electricity to the electrical
components. Be sure to discharge the capacitor completely before conducting the repair work.
- An charged capacitor can cause electrical shock.
• When installing the unit, use the installation kit provided with the product.
- Otherwise the unit may fall and cause severe injury.
• Indoor/outdoor wiring connections must be secured tightly and the cable should be routed
properly so that there is no force pulling the cable from the connection terminals.
- Improper or loose connections can cause heat generation or fire.
• Safely dispose off the packing materials. Like screws, nails, batteries, broken things etc after
installation or svc and then tear away and throw away the plastic packaging bags.
- Children may play with them and cause injury.
• Be sure to check the refrigerant to be used. Please read the label on the product.
- Incorrect refrigerant used can prevent the normal operation of the unit.
• Do not touch refrigerant pipe and water pipe or any internal parts while the unit is operating or
immediately after operation. It can cause a burn or frostbite.
Operation
• When the product is soaked (flooded or submerged) in water , contact an Authorized Service
Center for repair before using it again.
- There is risk of fire or electric shock.
• Be sure to use only those parts which are listed in the svc parts list. Never attempt to modify
the equipment.
- The use of inappropriate parts can cause an electrical shock, excessive heat generation or fire.
• Do not touch , operate, or repair the product with wet hands. Hold the plug by hand when
taking out. There is risk of electric shock or fire.
• Installation work must be performed in accordance with the national wiring standards by
authorized personnel only
• For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service
Center. Do not disassemble or repair the product by yourself.
- There is risk of fire or electric shock.
• Mechanical connections (mechanical connectors or flared joints) shall be accessible for
maintenance purposes
• The installation of pipe-work shall be kept to a minimum
• Keep any required ventilation openings clear of obstruction.(for R32)

SAFETY INSTRUCTIONS 5
ENGLISH
• Do not place a heater or other heating appliances near the power cable.
- There is risk of fire and electric shock.
• Do not allow water to run into electric parts. Install the unit away from water sources.
- There is risk of fire, failure of the product, or electric shock.
• Do not store or use or even allow flammable gas or combustibles near the product.
- There is risk of fire.
• Do not use the product in a tightly closed space for a long time. Perform ventilation regularly.
- Oxygen deficiency could occur and hence harm your health.
• Do not open the front grille of the product during operation. (Do not touch the electrostatic
filter, if the unit is so equipped.)
- There is risk of physical injury, electric shock, or product failure.
• If strange sound, smell or smoke comes from product. Immediately turn the breaker off or
disconnect the power supply cable.There is risk of electric shock or fire.
• Ventilate the product room from time to time when operating it together with a stove, or
heating element etc.
- Oxygen deficiency can occur and hence harm your health.
• When the product is not to be used for a long time, disconnect the power supply plug or turn
off the breaker.
- There is risk of product damage or failure, or unintended operation.
• Take care to ensure that nobody especially kids could step on or fall onto the outdoor unit.
- This could result in personal injury and product damage.
• Take care to ensure that power cable could not be pulled out or damaged during operation.
- There is risk of fire or electric shock.
• Do not place anything on the power cable. There is risk of fire or electric shock.
• When flammable gas leaks, turn off the gas and open a window for ventilation before turning
on the product. Do not use the telephone or turn switches on or off.
- There is risk of explosion or fire.
• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a
heater are used simultaneously.
- Failure to do so may result in fire, serious injury, or product failure.
• If the supply cord is damaged, it must be replaced by a special cord or assembly available from
the manufacturer of its service agent.
CAUTION
Installation
• Two or more people must lift and transport the product.
- Avoid personal injury.
• Do not install the product where it will be exposed to sea wind (salt spray) directly.
- It may cause corrosion on the product.
• Install the drain hose to ensure that the condensed water is drained away properly.
- A bad connection may cause water leakage.
!
• Do not use means to accelerate the defrosting process or to clean, other than those recommended
by the manufacturer. (for R32)
• Do not pierce or burn. (for R32)
• Be aware that refrigerants may not contain an odour. (for R32)

SAFETY INSTRUCTIONS
6
ENGLISH
• Keep level even when installing the product. To avoid vibration or noise.
• Do not install the product where the noise or hot air from the outdoor unit could damage or
disturb the neighborhoods. It may cause a problem for your neighbors and hence dispute.
• Always check for gas (refrigerant) leakage after installation or repair of product.
- Low refrigerant levels may cause failure of product.
• Pipe-work shall be protected from physical damage.
• Use the de-oxidised copper as piping materials to install.
• If anyone other than a licensed Professional installs, repairs, or alters LG Electronics Air
Conditioning Products, the warranty is voided.
- All costs associated with repair are then the full responsibility of the owner.
• Do not insert a drain hose in drain or soil pipe.
- Bad smells can occur and it results in a corrosion of a heat exchanger or pipe.
• Do not install the outdoor unit near the septic tank, drain or toilet exhaust duct.
- It results in a corrosion of a heat exchanger or pipe.
• Do not install the unit in potentially explosive atmospheres.
Operation
• Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a
consumer air conditioner, not a precision refrigeration system.
- There is risk of damage or loss of property.
• Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.
• Appliance shall be disconnected from its power source during service and when replacing parts.
• Do not block the inlet or outlet of air flow. It may cause product failure.
• Use a soft cloth to clean. Do not use harsh detergents, solvents or splashing water etc.
- There is risk of fire, electric shock, or damage to the plastic parts of the product.
• Do not touch the metal parts of the product when removing the air filter.
- There is risk of personal injury.
• Do not step on or put anything on the product. (outdoor units)
- There is risk of personal injury and failure of product.
• Always insert the filter securely after cleaning. Clean the filter every two weeks or more often if
necessary. A dirty filter reduces the efficiency.
• Do not insert hands or other objects through the air inlet or outlet while the product is operating.
- There are sharp and moving parts that could cause personal injury.
• Be cautious when unpacking and installing the product.
- Sharp edges could cause injury.
• The appliance shall be stored so as to prevent mechanical damage from occurring. (for R32)
• Unless it is obviously unnecessary, switches which may give rise to a hazard when operated
shall be marked or placed so as to indicate clearly which part of the appliance they control.
Indications used for this purpose shall, wherever practicable, be comprehensible without
a knowledge of languages or national standards.
• Controls intended to be adjusted during installation or in normal use shall be provided
with an indication for the direction of adjustment.
(NOTE : An indication of + and – is considered to be sufficient.)

7
SAFETY INSTRUCTIONS
ENGLISH
• If the refrigerant gas leaks during the repair, do not touch the leaking refrigerant gas.
- The refrigerant gas can cause frostbite (cold burn).
• Do not tilt the unit when removing or uninstalling it. The condensed water inside can spill.
• Do not mix air or gas other than the specified refrigerant used in the system.
- If air enters the refrigerant system, an excessively high pressure results, causing equipment
damage or injury.
• If the refrigerant gas leaks during the installation, ventilate the area immediately.
- Otherwise it can be harmful for your health.
• Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done in
accordance with local and national standards.
• Replace the all batteries in the remote control with new ones of the same type. Do not mix old
and new batteries or different types of batteries. There is risk of fire or product failure.
• Do not recharge or disassemble the batteries. Do not dispose off batteries in a fire.
- They may burn or explode.
• If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do
not use the remote if the batteries have leaked.
- The chemicals in batteries could cause burns or other health hazards.
• If you swallow the battery fluid from a leak, wash out the inside of your mouth thoroughly and
then consult a doctor. Failure to do so may result in serious health complications.
• Do not let the air conditioner run for a long time when the humidity is very high and a door or a
window is left open. Moisture may condense and wet or damage furniture.
• Do not expose your skin or kids or plants to the cool or hot air draft.
- This could harm to your health.
• Do not drink the water drained from the product.
- It is not sanitary and could cause serious health issues.
• Use a firm stool or ladder when cleaning, maintaining or repairing the product at an height.
- Be careful and avoid personal injury.
• This appliance is not intended for use by persons (including children) with reduced physical,
sensory or mental capabilities, or lack of experience and knowledge, unless they have been
given supervision or instruction concerning use of the appliance by a person responsible for
their safety. Children should be supervised to ensure that they do not play with the appliance.
• This appliance can be used by children aged from 8 years and above and persons with reduced
physical, sensory or mental capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in a safe way and understand
the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance
shall not be made by children without supervision.
• The different positions of switches on stationary appliances and the different positions
of controls on all appliances shall be indicated by figures, letters or other visual means.
This requirement also applies to switches which are part of a control. If figures are used for
indicating the different positions, the off position shall be indicated by the figure 0 and the
position for a higher value, such as output, input, speed or cooling effect, shall be indicated by
a higher figure. The figure 0 shall not be used for any other indication unless it is positioned and
associated with other numbers so that it does not give rise to confusion with the indication of
the off position. (NOTE For example, figure 0 may be used on a digital programming keyboard.)
• Servicing shall be performed only as recommended by the manufacturer.

8TABLE OF CONTENTS
ENGLISH
2TIPS FOR SAVING ENERGY
3IMPORTANT SAFETY INSTRUCTIONS
9INSTALLATION OF OUTDOOR UNIT
13 WIRING CONNECTION
13 Electrical Wiring
14 Connecting Cables between Indoor Unit and Outdoor Unit
16 Connecting the cable to Outdoor Unit
19 CONNECTING PIPES
19 Preparation of Piping
20 Connection of piping - Outdoor
20 Forming the piping
21 LEAKAGE TEST AND EVACUATION
21 Preparation
21 Leakage test
22 Evacuation
23 TEST RUNNING
25 FUNCTION
25 Forced Cooling Operation
26 SELF-DIAGNOSIS FUNCTION
26 Error Indicator (Outdoor)
28 INSTALLATION GUIDE AT THE SEASIDE
TABLE OF CONTENTS
10 INFORMATION OF OUTDOOR UNIT

INSTALLATION OF OUTDOOR UNIT 9
ENGLISH
- If an awning is built over the unit to prevent direct sunlight or rain exposure, make sure that
heat radiation from the condenser is not restricted.
- Ensure that the spaces indicated by arrows around front, back and side of the unit.
- Do not place animals and plants in the path of the warm air.
- Take the air conditioner weight into account and select a place where noise and vibration are
minimum.
- Select a place so that the warm air and noise from the air conditioner do not disturb neighbors.
OUTDOOR
UNIT
OUTDOOR
UNIT
More than
300(11-13/16)mm
Fence or
obstacles
More than
600(23-5/8)mm
More than
300(11-13/16)mm
More than
300(11-13/16)mm
More than 700(27-9/16)mm
Awning
Unit : mm(inch)
Installation Places
INSTALLATION OF OUTDOOR UNIT

10 INFORMATION OF OUTDOOR UNIT
ENGLISH
Power Supply : 1Ø, 220-240 V~, 50/60 Hz / 3Ø, 380-415 V~, 50/60 Hz
Model
Phase 1P 1P 1P
Refrigerant
Precharged
Amount
kg 0.75 0.98 1.25
Net Weight kg 24.2 30.9 41.5
Dimensions
(W x H x D)
mm 717 x 483 x 230 770 x 545 x 288 870 x 650 x 330
inch 28.2 x 19.0 x 9.1 30.3 x 21.5 x 11.3 34.3 x 25.6 x 13.0
Piping
Connections
Liquid Pipes Ø 6.35 (1/4) Ø 6.35 (1/4) Ø 9.52 (3/8)
Gas Pipes Ø 9.52 (3/8) Ø 12.7 (1/2) Ø 15.88 (5/8)
Model
Phase 1P 3P 1P 3P
Refrigerant
Precharged
Amount
kg 1.8 1.8 2 2
Net Weight kg 59.5 60.8 66.9 65.1
Dimensions
(W x H x D)
mm 950 x 834 x 330 950 x 834 x 330 950 x 834 x 330 950 x 834 x 330
inch 37.4 x 32.8 x 13.0 37.4 x 32.8 x 13.0 37.4 x 32.8 x 13.0 37.4 x 32.8 x 13.0
Piping
Connections
Liquid Pipes Ø 9.52 (3/8) Ø 9.52 (3/8) Ø9 .52 (3/8) Ø 9.52 (3/8)
Gas Pipes Ø 15.88 (5/8) Ø 15.88 (5/8) Ø 15.88 (5/8) Ø 15.88 (5/8)
INFORMATION OF OUTDOOR UNIT
ZUAA1 ZUAB1
ZUAC1
ZUAD1 ZUAD3 ZUAE1 ZUAE3

ENGLISH
Outdoor unit
Indoor unit
A
B
Outdoor unit
Indoor unit
A
B
CAUTION
!
Piping length and the elevation
If installed tube is shorter than 15 m (49.2 ft), additional charging is not necessary.
Additional Refrigerant = (A - 15 m) x Additional refrigerant (g)
(A - 49.2 ft) x Additional refrigerant (klb)
CAUTION
!
a b c
Ø9.52 Ø12.7 Ø6.35 Ø9.52 Ø12.7 Ø15.88
9/12 X X X
18 O X X
18 X X X
24 X O O
Capacity
(kBtu/h)
ZUAA1
ZUAB1
Model
*Connector information
11
B
Gas Standard
9/12
Ø9.52(3/8) Ø6.35(1/4) 30 15 15
18
Ø12.7(1/2) Ø6.35(1/4) 30 15 15 a
18
Ø12.7(1/2) Ø6.35(1/4) 30 20 15
24
Ø15.88(5/8) Ø9.52(3/8) 30 20 30 b,c
24/30/36
Ø15.88(5/8) Ø9.52(3/8) 50 30 30
36/48
Ø15.88(5/8) Ø9.52(3/8) 50 30 40
60
Ø15.88(5/8) Ø9.52(3/8) 50 30 40
ZUUQ18GH0 18
Ø15.88(5/8) Ø9.52(3/8) 50 30 30
ZUUQ21GH0 21
Ø15.88(5/8) Ø9.52(3/8) 50 30 30
ZUUQ32GH0 32
Ø15.88(5/8) Ø9.52(3/8) 50 30 40
ZUUQ36GH0 36 Ø15.88(5/8) Ø9.52(3/8) 50 30 40
7.5
mm (
Model
(g/m)
m
Capacity based on 7.5 m and maximum permissible length based on reliability.
• Improper charging of refrigerant can cause abnormal pressure and problems
noise.
•
(kBtu/hour)
Capacity
Pipe Size inch)
Liquid Max Max
Length A m Height
Additional
Refrigerant Connector
Type
INFORMATION OF OUTDOOR UNIT
ZUAA1
ZUAB1
ZUAC1
ZUAD1
ZUAD3
ZUAE1
ZUAE3
ex) ZUAA1 + ZTNQ18GPLE0 ex) ZUAB1 + ZTNQ24GNLE0
7.5
7.5

12
ENGLISH
minimum area.
- Use the graph of table to determine the minimum area.
- m : Total refrigerant amount in the system
- Total refrigerant amount : factory refrigerant charge + additional refrigerant amount
- Amin : minimum area for installation
0
100
200
300
400
500
600
Amin (m2)
m (kg)
0 1.224 2 3 4 5 6 7 8
Floor standing
Wall mounted
Ceiling mounted
Floor location
m (kg)Amin (m 2)
< 1.224 -
1.224 12.9
1.4 16.82
1.6 21.97
1.8 27.80
2 34.32
2.2 41.53
2.4 49.42
2.6 58.00
2.8 67.27
3 77.22
3.2 87.86
3.4 99.19
3.6 111.20
3.8 123.90
4 137.29
4.2 151.36
4.4 166.12
Floor location
m (kg) Amin (m 2)
4.6 181.56
4.8 197.70
5 214.51
5.2 232.02
5.4 250.21
5.6 269.09
5.8 288.65
6 308.90
6.2 329.84
6.4 351.46
6.6 373.77
6.8 396.76
7 420.45
7.2 444.81
7.4 469.87
7.6 495.61
7.8 522.04
Wall mounted
m (kg) Amin (m 2)
< 1.224 -
1.224 1.43
1.4 1.87
1.6 2.44
1.8 3.09
2 3.81
2.2 4.61
2.4 5.49
2.6 6.44
2.8 7.47
3 8.58
3.2 9.76
3.4 11.02
3.6 12.36
3.8 13.77
4 15.25
4.2 16.82
4.4 18.46
Wall mounted
m (kg) Amin (m 2)
4.6 20.17
4.8 21.97
5 23.83
5.2 25.78
5.4 27.80
5.6 29.90
5.8 32.07
6 34.32
6.2 36.65
6.4 39.05
6.6 41.53
6.8 44.08
7 46.72
7.2 49.42
7.4 52.21
7.6 55.07
7.8 58.00
Ceiling Mounted
m (kg) Amin (m 2)
< 1.224 -
1.224 0.956
1.4 1.25
1.6 1.63
1.8 2.07
2 2.55
2.2 3.09
2.4 3.68
2.6 4.31
2.8 5.00
3 5.74
3.2 6.54
3.4 7.38
3.6 8.27
3.8 9.22
4 10.21
4.2 11.26
4.4 12.36
Ceiling Mounted
m (kg)Amin (m 2)
4.6 13.50
4.8 14.70
5 15.96
5.2 17.26
5.4 18.61
5.6 20.01
5.8 21.47
6 22.98
6.2 24.53
6.4 26.14
6.6 27.80
6.8 29.51
7 31.27
7.2 33.09
7.4 34.95
7.6 36.86
7.8 38.83
INFORMATION OF OUTDOOR UNIT
Minimum floor area(for R32)
- The appliance shall be installed, operated and stored in room with a floor area larger than the

WIRING CONNECTION 13
ENGLISH
Perform the electrical wiring work according
to the electrical wiring connection.
- All wiring must comply with local require-
ments.
- Select a power source that is capable of sup-
plying the current required by the air condi-
tioner.
- Use a recognized ELCB(Earth Leakage Cir-
cuit Breaker) between the power source and
the unit. A disconnection device to ade-
quately disconnect all supply lines must be fitted
- Model of circuit breaker recommended by
authorized personnel only
Outdoor
Indoor
Main
power source Switch box
ELCB
Electrical Wiring
WIRING CONNECTION
Model
Phase (Ø) ELCB
ZUAA1
ZUAB1 1 15 A
ZUAC1 1 20 A
ZUAD1 1 30 A
ZUAE1 1 40 A
ZUAD3
ZUAE3
3 20 A
ZUUQ18GH0 1 20 A
ZUUQ21GH0 1 20 A
ZUUQ32GH0 1 40 A
ZUUQ36GH0 1 40 A

14 WIRING CONNECTION
ENGLISH
<OutdoorUnitPower Supply :1Ph> <OutdoorUnit Power Supply: 3Ph>
Indoor unit
Outdoor unit
POWERSUPPLY
1(L) 2(N) 3
1(L) 2(N) 3
The power cord connected to the outdoor unit should be complied withIEC 60245 or HD 22.4
S4 (This equipment shall be provided with a cord set complying with the national regulation.
The connecting cable connected to the outdoor unit should be complied with IEC 60245 or
HD 22.4 S4 (This equipment shall be provided with a cord set complying with the national
regulation.)
If the supply cord is damaged, it must be replaced by a special cord or assembly availible
from the manufacturer of its service agent.
When the connection line between the in-
door unit and outdooor unit is over
40(131.2) m(ft), connect the telecommuni-
cation line and power line separately.
CAUTION
!
GN/YL
20mm
20mm
NORMAL
CROSS- SECTIONAL
AREA 0.75 mm
2
20 (25/32)mm(inch)
GN/Y L
35(1-3/8) ±
5(3/16 ) mm(inch)
10 (1 3/32) ± 3(1 /8 ) mm(inch)
Connecting Cables between Indoor Unit and Outdoor Unit
* The feature can be changed according to type of model.
Indoor unit
Outdoor unit
POWER SUPPLY
1(L) 2(N) 3
1(L) 2(N) 3)N(2)L(1
Model Phase(Ø) Area(mm )
ZUAA1
ZUAB1
ZUAC1
1 2.5(12AWG)
ZUAD1
ZUAE1
1 4.0(10AWG)
ZUAD3
ZUAE3
3 2.5(12AWG)
ZUUQ18GH0
ZUUQ21GH0
ZUUQ32GH0
ZUUQ36GH0
2.5(12AWG)
4.0(10AWG)
1
1
2

WIRING CONNECTION 15
ENGLISH
Use round pressure terminals for connections to the power terminal block.
When none are available, follow the instructions below.
wiring may cause abnormal heat.)
pressure being exerted on the terminal block.
- Use an appropriate screwdriver for tightening the terinal screws. A screwdriver with a small
head will strip the head and make proper tighterning impossible.
- Over-tightening the terminal screws may break them.
Round pressure terminal
Power wire
Precautions when laying power wiring

16 WIRING CONNECTION
ENGLISH
Connecting
cable
Connecting the cable to Outdoor Unit
R emove the s ide panel for wiring connection. Use the cord clamp to fix the cord.
E arthing w ork
- Connect the cable of diameter more to the earthing terminal provided in the control box and do earthing.
< Model : ZUAB1 >
< Model : ZUAC1 >
Connecting
cable
Connecting
cable
< Model : ZUAA1 >

WIRING CONNECTION 17
ENGLISH
* Make sure the rubber
bushes are properly used
in knock-out holes after
connecting main power.
Connecting cable
< Model : ZUAD3 / ZUAE3 >
Power cord
Connecting
cable
< Model : ZUAD1 >
* Make sure the rubber
bushes are properly used
in knock-out holes after
connecting main power.

WIRING CONNECTION
18
ENGLISH
CAUTION
!
• The circuit diagram is not subject to change without notice.
• Be sure to connect wires according to the wiring diagram.
• Connect the wires firmly, so that They won’t be pulled out easily.
• Connect the wires according to color codes by referring the wiring diagram.
• The Power cord connected to the unit should be selected according to the specifications.
* Make sure the rubber
bushes are properly used
in knock-out holes after
connecting main power.
Connecting cable
< Model : ZUAE1 >
Power cord
1(L) 2(L)

19
CONNECTING PIPES
ENGLISH
Check
Flaring work
Putting nut on
Burrs removal
Cut the pipes and the cable

CONNECTING PIPES
20
ENGLISH
• Refrigerant tubing shall be protected or
enclosed to avoid damage.
• Flexible refrigerant connectors (such as
connecting lines between the indoor
and outdoor unit) that may be displaced
during normal operations shall be
protected against mechanical damage.
CAUTION
!
• A brazed, welded, or mechanical
connection shall be made before
opening the valves to permit refrigerant to flow
• When fared joints are reused indoors,
the fare part shall be re-fabricated. (for 32)
• When mechanical connectors are reused
indoors, sealing parts shall be renewed.
(for R32)
• Copper in contact with refrigerants shall
be oxygen-free or deoxidized, for
example Cu-DHP as specifed in EN
12735-1 and EN 12735-2.
CAUTION
!
between the refrigerating system parts.