ActronAir Cascade URC-071AS User manual

IMPORTANT NOTE:
Please read this manual carefully before installing or operating your new air conditioning unit and keep it available for future
reference.
That’s better. That’s Actron.
INSTALLATION MANUAL
Model Numbers:
Super Slim Four-Way Cassette
URC-071AS / CRE-071AS
URC-100AS / CRE-100AS
URC-125AS / CRE-125AS
URC-140AS / CRE-140AS
That’s better. That’s Actron.

Safety Precautions .......................................................................... 04
Installation Overview ...................................................................... 06
Components ................................................................................... 05
1
2
3
5
4
Table of Contents
Indoor Unit Installation ................................................................... 07
Outdoor Unit Installation ................................................................ 11
Test Run ............................................................................................ 31
Twin Systems ..................................................................................... 32
11
12
Page 2
Drainpipe Installation ...................................................................... 13
6
Panel Installation ............................................................................. 28
10
Refrigerant Piping Connection ....................................................... 15
7
Leak Test and Air Evacuation ........................................................... 25
9
Wiring ............................................................................................. 17
8
Maintenance ...................................................................................... 36
13

Page 3
This manual is a controlled document which contains confidential and proprietary information.
Distribution, modification, copying and/or reproduction are prohibited without written consent from ActronAir
Product design and specifications are subject to change without prior notice for product improvement.
READ SAFETY PRECAUTIONS BEFORE INSTALLATION
Incorrect installation due to ignoring instructions can cause serious damage or injury. The seriousness of
potential damage or injuries is classified as either a WARNING or CAUTION.
WARNING
Failure to observe a warning may result in death or serious injury. The appliance must be
installed in accordance with national regulations
Failure to observe a caution may result in injury or equipment damage.
CAUTION
Note about Fluorinated Gases
1. This air conditioning unit contains fluorinated gas. For specific information on the type of gas and the amount,
please refer to the relevant label on the unit itself.
2. Installation, service, maintenance and repair of this unit must be performed by a qualified HVAC technician.
3. Product uninstallation and recycling must be performed by a qualified HVAC technician.
4. When the unit is checked for leaks, proper record-keeping of all checks is strongly recommended.
MUST BE INSTALLED BY A
LICENSED ELECTRICIAN
D I Y
DIY
DIY
ALL ELECTRICAL WORK
MUST BE PERFORMED
BY A LICENSED ELECTRICIAN
FOR COMPLIANCE WITH
QUEENSLAND ELECTRICAL SAFETY
REGULATIONS 2013
This refers to electrical works only

Page 4
1. Safety Precautions Super Slim Four-Way Cassette
CAUTION
Do not install the unit in a location that may be exposed to combustible gas leaks. If combustible gas accumulates
around the unit, it may cause fire.
Do not install your air conditioner in a wet room such as a bathroom or laundry room. Too much exposure to water
can cause electrical components to short circuit.
1. The product must be properly grounded at the time of installation, or electrical shock may occur.
2. Install drainage piping according to the instructions in this manual. Improper drainage may cause water damage to
your home and property.
SAFETY INSTRUCTIONS
1. Prevailing WH&S regulations must be observed and will take precedence to the safety instructions contained on
this manual. Safe work practices and environment must be the paramount importance in the performance of all the
service procedures.
2. Ensure that unit installation complies with relevant council regulations and building code standards.
3. All electrical wiring must be in accordance with current electrical authority regulations and all wiring connections to
be as per electrical diagram provided.
4. Secure the fans against accidental contact. Beware of pinch point and sharp edges which can cause cutting injury.
5. Always wear appropriate PPE, remove any dangling jewellery and protect long hair by wearing a cap.
6. Make sure that safety guards and panel covers are always firmly secured and not damaged.
7. This appliance is not intended for use by young children or infirm persons unless they have been adequately
supervised by a responsible person to ensure that they can use the appliance safely. Young children should be
supervised to ensure that they do not play with the appliance.
8. Installer must incorporate a means of electrical disconnection (isolator) in the sub mains fixed wiring in accordance
with the Australian wiring rule (AS3000).
9. Secure the power cords and control cables that goes in/out the unit. Use the cable ties provided in the control box.
WARNING
1. Carefully read all the Safety Precautions before installation.
2. In certain functional environments, such as kitchens, server rooms, etc., the use of specially designed
air-conditioning units is highly recommended.
3. Only qualified HVAC technicians* should install, repair and service this air conditioning unit. Improper service or
alteration by unqualified technician could result in significant and major damage to the product or property which
may render your warranty null and void. Such unqualified service could also lead to severe physical injury or death.
Follow all safety instructions in this literature and all warning labels that are attached to the equipment.
4. During installation, ensure there are no refrigerant leaks. Refrigerant is toxic and poses a serious health and safety risk.
*Qualifications required will be appropriate Electrical, Refrigeration and Refrigerant
Handling License & Training, dependent on local State/Territory regulations.

2. Components Super Slim Four-Way Cassette
Page 5
The air conditioning system comes with the following components. Use all of the installation parts and accessories to install
the air conditioner. Improper installation may result in water leakage, electrical shock and fire, or cause the equipment to
fail.
Name Shape Quantity
Indoor Unit
Installation 1. Installation paper template 1
Refrigeration
Fittings 2. Soundproof/insulation sheath 1
Drainpipe Fittings
3. Outlet pipe sheath 1
4. Outlet pipe clasp 1
5. Drain joint
Seal
Drain joint
Seal
1
6. Seal ring 1
Installation
Accessory
7. Ceiling hook 4
8. Suspension bolt 4
EMC & Its Fitting
on LRE-100AS
9. Magnetic ring (twist the electric wires S1 and S2
around the magnetic ring to five circles) S1 S2
1
Wired
Controller
10. Wired controller 1
11. Wired controller screws 2
12. Wired controller manual 1
Others
13. Owner’s manual 1
14. Installation manual 1

Page 6
3. Installation Overview Super Slim Four-Way Cassette
Installation Order
Install the indoor unit Install the outdoor unit Install the drainpipe
31 2
64 5
Connect the Refrigerant Pipes Leak test and evacuate the
refrigeration system
Connect the wires
Install the front panel Perform a test run
8
7

Page 7
4. Indoor Unit Installation Super Slim Four-Way Cassette
Indoor Unit Installation
Drain pump
(within indoor unit)
Display panel
Refrigerant pipe
Drain pipe
Front grille
Air outlet
Air inlet
Louvre
Safety Precautions
CAUTION
 Install the indoor and outdoor units, cables and wires
at least 1m from televisions or radios to prevent
static or image distortion. Depending on the
appliances, a 1m distance may not be sufficient.
• If the indoor unit is installed on a metal part of the
building, it must be electrically grounded.
• When replacing the grille panel back into the cassette,
make sure that it is fully in and it engaged the safety
limit switch, in order for the unit to turn-ON.
WARNING
• Securely install the indoor unit on a structure that
can sustain its weight. If the structure is too weak
the unit may fall causing personal injury, unit and
property damage or death.
• DO NOT install the indoor unit in the bathroom or
laundry room as excessive moisture can short the
unit and corrode the wiring.
Fig. 4.1

Page 8
NOTE: Panel installation should be done after piping and wiring.
The indoor unit should be installed in a location that meets
the following requirements:
þThe unit is at least 1m from the nearest wall.
þThere is enough room for installation and
maintenance.
þThere is enough room for the connecting pipe and
drainpipe.
þThe ceiling is horizontal and its structure can sustain
the weight of the indoor unit.
þThe air inlet and outlet are not impeded.
þThe airflow can fill the entire room.
þThere is no direct radiation from heaters.
Select Installation Location
4. Indoor Unit Installation Super Slim Four-Way Cassette
=
=
=
=
=
=
=
=
The distance between the mounted indoor unit and the internal ceiling should meet the following specifications.
(See Fig. 4.2)
Fig. 4.2
Recommended Distances Between The Indoor Unit And The Ceiling
Connecting point
of drain pipe
Connecting point of
refrigerant pipe
(liquid side)
Connecting point of
refrigerant pipe
(gas side)
Front panel
Ground
Ceiling board 88cm (Ceiling hole)
Ceiling
CAUTION
DO NOT install the unit in the following locations:
In areas with oil drilling or fracking.
In areas with caustic gases in the air, such as
near hot spring.
In areas with power fluctuations, such as
factories.
In enclosed spaces, such as cabinets.
In kitchens that use natural gas.
In areas with strong electromagnetic waves.
In areas that store flammable materials or gas.
In rooms with high humidity, such as bathrooms
or laundry rooms.
NOTE
Drainage should be considered when detemining the space
requirements for “H”.
Table 4.1
Distance from ceiling relative to height of indoor unit
Model Length of A
(mm) Length of H (mm)
CRE-071AS 245 275
CRE-100AS 287 317
CRE-125AS 287 317
CRE-140AS 287 317

Page 9
2. Drill 4 holes 5cm deep at the ceiling hook positions in the
internal ceiling. Be sure to hold the drill at a 90° angle to
the ceiling.
3. Using a hammer, insert the ceiling hooks into the
pre drilled holes. Secure the bolt using the included
washers and nuts.
4. Install the four suspension bolts (See Fig. 4.4).
Fig. 4.4
1. Use the included paper template to cut a rectangular hole in the ceiling, leaving at least 1m on all sides.
The hole will be 88 x 88cm big. Be sure to mark the areas where ceiling hook holes will be drilled.
4. Indoor Unit Installation Super Slim Four-Way Cassette
Hang Indoor Unit
Fig. 4.3
Refrigerant piping side
Drain hose side
68cm
(Suspension bolt)
84cm (Body)
95cm (Ceiling opening)
>1m
>1m
>1m
>1m
CAUTION
The unit body should align perfectly with the hole.
Ensure that the unit and the hole are the same size
before moving on.
95cm (grille for fascia)
84cm (Body)
78cm (Suspension bolt)

Page 10
Indoor Unit Installation Instructions
4. Indoor Unit Installation Super Slim Four-Way Cassette
5. Mount the indoor unit. You will need two people to
lift and secure it. Insert suspension bolts into the unit’s
hanging holes. Fasten them using the included washers and
nuts (See Fig. 4.5).
Installation template
M6 x 12 Bolts
Main body
Ceiling board
Main body
10 - 18mm
L
NOTE
The bottom of the unit should be 10 - 18mm higher than
the ceiling board. Generally, L (indicated in Fig. 4.6) should
be half the length of the suspension bolt or long enough to
prevent the nuts from coming off.
NOTE
Ensure that the indoor unit is level. The unit is equipped
with a built-in drain pump and float switch. If the unit
is tilted against the direction of condensate flows (the
drainpipe side is raised), the float switch may malfunction
and cause water to leak.
NOTE FOR NEW HOME INSTALLATION
When installing the unit in a new home, the ceiling hooks
can be embedded in advance. Make sure that the hooks do
not come loose due to concrete shrinkage. After installing
the indoor unit, fasten the installation paper template
onto the unit with bolts (M6X12) to determine in advance
the dimension and position of the opening on the ceiling.
Follow the instructions above for the remainder of the
installation.
CAUTION
• Ensure that the unit is completely level.
• Improper installation can cause the drain pipe to back
up into the unit or water leakage.
Fig. 4.5
Fig. 4.8
Fig. 4.6
Fig. 4.7
Water level
Spirit level
Water inside
pipe for levelling

Page 11
5. Outdoor Unit Installation Super Slim Four-Way Cassette
The outdoor unit should be installed in the location that
meets the following requirements:
þPlace the outdoor unit as close to the indoor unit as
possible.
þEnsure that there is enough room for installation and
maintenance.
þThe air inlet and outlet must not be obstructed or
exposed to strong wind
þEnsure the location of the unit will not be subject to
snowdrifts, accumulation of leaves or other seasonal
debris. If possible, provide an awning for the unit.
Ensure the awning does not obstruct airflow.
þThe installation area must be dry and well ventilated.
þThere must be enough room to install the connecting
pipes and cables and to access them for maintenance.
þThe area must be free of combustible gases and
chemicals
þThe pipe length between the outdoor and indoor unit
may not exceed the maximum allowable pipe length.
þIf possible, DO NOT install the unit where it is exposed
to direct sunlight.
þIf possible, make sure the unit is located far away from
your neighbours’ property so that the noise from the
unit will not disturb them.
Select Installation Location
Install Outdoor Unit
Strong wind
Strong wind
Fig. 5.1
þIf the location is exposed to strong winds (for
example: near a seaside), the unit must be placed
against the wall to shelter it from the wind. If
necessary, use an awning. Ensure minimum space
requirement are met. (See Fig. 5.1 & 5.2)
þInstall the indoor and outdoor units, cables and wires
at least 1 metre from televisions or radios to prevent
static or image distortion. Depending on the radio
waves, a 1 metre distance may not be enough to
eliminate all interference.
Fig. 5.2
Strong wind
Wind Baffle
CAUTION
 Be sure to remove any obstacles that may block air
circulation.
 Make sure you refer to Length Specifications to ensure
there is enough room for installation and maintenance.
NOTE
The minimum distance between the outdoor unit and
walls described in the installation guide does not apply to
airtight rooms.
Fig. 5.3
Fix the outdoor unit with anchor bolts (M10)
>60cm
Fix with bolts
600mm or more
150mm or more
300mm or more
600mm or more
(servce access)
1200mm or more

Page 12
Split Type Outdoor Unit
(Refer to Fig 5.4, 5.5, and Table 5.1)
5. Outdoor Unit Installation Super Slim Four-Way Cassette
Outdoor Unit Domensions
Model Number Outdoor Unit Dimensions
W x H x D (mm)
Mounting Dimensions
Distance A
(mm)
Distance B
(mm)
URC - 071AS
URC-100AS 946 x 810 x 410 673 403
URC-125AS
URC-140AS 952 x 1333 x 415 634 404
Table 5.1
Length Specification of Split Type Outdoor Unit (unit mm)
A
B
D
W
H
W
H
Fig. 5.6
Fig. 5.5
Fig. 5.4

Page 13
6. Drainpipe Installation Super Slim Four-Way Cassette
Fig. 6.1
Drain Joint Installation
Before bolting the outdoor unit in place, you must install
the drain joint at the bottom of the unit. (See Fig. 6.1).
1. Fit the rubber seal on the end of the drain joint that will
connect to the outdoor unit.
2. Insert the drain joint into the hole in the base pan of the
unit.
3. Rotate the drain joint 90° until it clicks in place facing
the front of the unit.
4. Connect a drain hose extension (not included) to the
drain joint to redirect water from the unit during heating
mode.
NOTE
Make sure the water drains to a safe location where it
will not cause water damage or a slipping hazard.
Indoor Drainpipe Installation
The drainpipe is used to drain water from the unit.
Improper installation may cause unit and property damage.
Drainpipe
connecting port
Drain hose
Metal clamp Insulation
Downward slope
1/100
1-1.5m
Fig. 6.2
Fig. 6.3
Indoor Drainpipe Installation
Install the drainpipe as shown in (Fig 6.3).
1. Cover the drainpipe with heat insulation to prevent
condensation and leakage.
2. Attach the mouth of the drain hose to the unit’s outlet
pipe. Sheath the mouth of the hose and clip it firmly
with a pipe clasp. (Fig 6.2)
CAUTION
• Insulate all piping to prevent condensation, which
could lead to water damage.
• If the drainpipe is bent or installed incorrectly, water
may leak and cause a malfunction of the water-level
switch.
• In HEAT mode, the outdoor unit will discharge water.
Ensure that the drain hose is placed in an appropriate
area to avoid water damage and slippage due to frozen
drain water.
• DO NOT pull the drainpipe forcefully as this could
cause it to disconnect.
Seal
Drain joint
Seal
Base pan hole of
outdoor unit

Page 14
6. Drainpipe Installation Super Slim Four-Way Cassette
Wall
IndoorOutdoor
12mm
75cm
Ceiling
1 - 1.5m
0 - 75mm
30cm
53cm
22cm
0-53cm
10cm
NOTE
The drainpipe outlet should be at least 5cm above the
ground. If it touches the ground, the unit may become
blocked and malfunction. If you discharge the water
directly into a sewer, make sure that the drain has a
U or S pipe to catch odors that might otherwise come
back into the house.
NOTE
When connecting multiple drainpipes, install the
pipes (as shown in Fig 6.5.) from pulling loose.
NOTE
When drilling the wall hole, make sure to avoid wires,
plumbing, and other sensitive components.
3. Using a 65-mm core drill, drill a hole in the wall. Make
sure that the hole is drilled at a slight downward angle,
so that the outdoor end of the hole is lower than the
indoor end by about 12mm. This will ensure proper
water drainage (See Fig. 6.6). Place the protective wall
cuff in the hole. This protects the edges of the hole and
will help seal it when you finish the installation process.
4. Pass the drain hose through the wall hole. Make sure the
water drains to a safe location where it will not cause
water damage or a slipping hazard.
Fig. 6.6
Fig. 6.4
Fig. 6.5
NOTE ON DRAINPIPE INSTALLATION
• When using an extended drainpipe, tighten the indoor
connection with an additional protection tube to prevent
it from pulling loose.
• The drainpipe should slope downward to prevent water
from flowing back into the air conditioner.
• To prevent the pipe from sagging, space hanging wires
every 1-1.5m.
• If the outlet of the drainpipe is higher than the body’s
pump joint, provide a lift pipe for the exhaust outlet of
the indoor unit. The lift pipe must be installed no higher
than 75cm from the ceiling board and the distance
between the unit and the lift pipe must be less than
30cm.
• Incorrect installation could cause water to flow back into
the unit and flood.
• To prevent air bubbles, keep the drain hose level or
slightly sloped (<75mm).
Indoor Drainpipe Installation

Page 15
7. Refrigerant Piping Connection Super Slim Four-Way Cassette
Safety Precautions
WARNING
• All field piping must be completed by a qualified HVAC technician and must comply with local and national
regulations.
• When the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant
concentration in the room from exceeding the safety limit in the event of refrigerant leakage. If the refrigerant
leaks and its concentration exceeds its proper limit, hazards due to lack of oxygen may result.
• When installing the refrigeration system, ensure that air, dust, moisture or foreign substances do not enter
the refrigerant circuit. Contamination in the system may cause poor operating capacity, high pressure in the
refrigeration cycle, explosion, injury or product failure and may void warranty.
• Ventilate the area immediately if there is refrigerant leakage during the installation. Leaked refrigerant gas can be
toxic. Ensure there is no refrigerant leakage after completing the installation work.
NOTE
When drilling the wall hole, make sure to avoid wires,
plumbing, and other sensitive components.
Notes on Drilling Hole In Wall
Ensure that the length of the refrigerant pipe, the number
of bends, and the drop height between the indoor and
outdoor units meets the requirements shown in Table 7.1:
Model Max Length
of Piping
Min Length
of Piping
Maximum
Drop Height
CRE-071AS 50 5 25
CRE-100AS
CRE-125AS
CRE-140AS
65 5 30
Table 7.1
The Maximum Length and Drop Height Based
on Models (unit mm)
Notes On Pipe Length and Elevation
You must drill a hole in the wall for the refrigerant piping,
and the signal cable that will connect the indoor and
outdoor units.
1. Determine the location of the wall hole based on the location
of the outdoor unit.
2. Using a 65mm core drill, drill a hole in the wall.
3. Place the protective wall cuff in the hole. This protects
the edges of the hole and will help seal it when you
finish the installation process.

Page 16
7. Refrigerant Piping Connection Super Slim Four-Way Cassette
Safety Precautions
WARNING
• All field piping must be completed by a licensed technician and must comply with the local and national regulations.
• When the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant
concentration in the room from exceeding the safety limit in the event of refrigerant leakage. If the refrigerant
leaks and its concentration exceeds its proper limit, hazards due to lack of oxygen may result.
• When installing the refrigeration system, ensure that air, dust, moisture or foreign substances do not enter
the refrigerant circuit. Contamination in the system may cause poor operating capacity, high pressure in the
refrigeration cycle, explosion, injury or product failure.
• Ventilate the area immediately if there is refrigerant leakage during the installation. Leaked refrigerant gas can be
both toxic and flammable. Ensure there is no refrigerant leakage after completing the installation work.
Ensure that the length of the refrigerant pipe, the number
of bends, and the drop height between the indoor and
outdoor units meets the requirements shown in Table 7.1:
Table 7.1
The Maximum Length and Drop Height (unit mm)
Notes On Pipe Length and Elevation
Refrigerant Piping Connection Instructions
1. Cut the connecting pipes according to required length.
2. Remove blurrs in the pipe. Blurrs can affect the air-tight
seal of refrigerant piping connections.
3. Place flare nuts on both ends of pipe. Flare each end of
connecting pipes.
4. Connect the pipe to indoor and outdoor unit. Apply a
thin coat of refrigeration oil to the flared end of the
pipe. Tighten the flare nuts using a spanner and torque
wrench.
Refrigerant Piping Connection (continuation)
Flare nut
Copper
pipe
Unit tubing Flare nut Pipe
Fig. 7.1
Fig. 7.2
CAUTION
 Ensure to wrap insulation around the piping. Direct
contact with the bare piping may result in burns or
frostbite.
 Make sure the pipe is properly connected. Over
tightening may damage the bell mouth and under
tightening may lead to leakage.
Model Length of Piping Maximum Drop
Height
CRE-071AS 50 25
CRE-100AS
CRE-125AS
CRE-140AS
65 30
Table 7.1
Pipe Flare Dimension and Tightening Torque Guide
Pipe
Gauge
Tightening
Torque
Flare Dimension
(A) Flare Shape
Min
(mm)
Max
(mm)
 9.5 32.7 - 39.9 Nm
(333-407 Kgf.cm) 12.4/0.48 12.4/0.48
 12.7 49.5 - 60.3 Nm
(504-616 Kgf.cm) 15.4/0.6 15.8/0.6
15.9 61.8 - 75.4 Nm
(630-770 Kgf.cm) 18.6/0.7 19/0.74 Fig. 7.3

Page 17
8. Wiring Super Slim Four-Way Cassette
Safety Precautions
WARNING
• Be sure to disconnect the power supply before working
on the unit.
• All electrical wiring must be done according to local and
national regulations.
• Electrical wiring must be done by qualified technician.
Improper connections may cause electrical malfunction,
injury and fire.
• Connect the power cable to the terminals and fasten it
with a clamp. Unsecured connection may cause fire.
• Make sure that all wiring is done correctly and the
control board cover is properly installed. Failure to do
so can cause
overheating at the connection points, fire, and
electrical shock.
• Ensure that main supply connection is made with
contact of gap at least 3mm (0.118")
CAUTION
 Make sure you earth the unit. Improper earthing may
cause electrical shock.
 DO NOT connect the unit with the power source until
all wiring and piping is completed.
 Make sure that you do not cross your electrical wiring
with your signal wiring, as this can cause distortion and
interference or unit malfunction.
Follow these instructions to prevent distortion when the
compressor starts:
• The unit must be connected to its individual sub-circuit.
Ensure sub-circuit mains are of adequate size to ensure
minimal voltage drop at supply terminals.
• No other equipment should be connected to the same
power circuit.
• The unit’s power information can be found on the rating
sticker on the product.
1. Prepare the cable for connection
a. You must first choose the right cable size before
preparing it for connection.
b. Using wire strippers, strip the rubber jacket from
both ends of signal cable to reveal about 15cm of the
wires inside.
c. Strip the insulation from the ends of the wires.
d. Using a wire crimper, crimp u-lugs on the ends of
the wires.
Outdoor Unit Wiring
WARNING
Before performing any electrical or wiring work, turn off
the main power to the system.
NOTE
While connecting the wires, please strictly follow the
wiring diagram (found inside the electrical box cover).
TAKE NOTE OF FUSE SPECIFICATIONS
The air conditioners circuit board (PCB) is designed with
a fuse to provide overcurrent protection. The
specifications of the fuse are printed on the circuit
board, such as: T5A/250VAC, T10A/250VAC, etc.
2. Remove the electric cover of the outdoor unit. If there
is no cover on the outdoor unit,disassemble the bolts
from the maintenance board and remove the
protection board. (See fig 8.1)
3. Connect the fork-lugs to the terminals Match the wire
colours / labels with the labels on the terminal block,
and firmly screw the u-lug of each wire to its
corresponding terminal.
4. Clamp down the cable with designated cable clamp.
6. Reinstall the cover of the electric control box.
Fig. 8.1
Screws
Cover

Page 18
INTER-CONNECTING
POWER CABLE
OUTDOOR - INDOOR
1. Prepare the cable for connection
a. Using wire strippers, strip the rubber jacket from
both ends of signal cable to reveal about 15cm of
the wires inside.
b. Strip the insulation from the ends of the wires.
c. Using wire crimper, crimp the fork-lugs to the ends
of the wires.
2. Open the front panel of the indoor unit. Using
a screwdriver, remove the cover of the electric
control box on your indoor unit.
3. Thread the power cable and the signal cable
through the wire outlet.
Wire outlet
Control box
4. Connect the fork-lugs to the terminals. Match the
wire colors/labels with the labels on the terminal
block, and firmly screw the lug of each wire to its
corresponding terminal. Refer to the Serial Number
and Wiring Diagram located on the cover of the
electric control box.
5. Clamp down cable with the designated cable clamp to
secure it in place. The cable should not be loose, and
should not pull on the lugs.
6. Reinstall the electric box cover and the front panel of
the indoor unit.
CAUTION
• While connecting the wires, please strictly follow
the wiring diagram.
• The refrigerant circuit can become very hot. Keep
the interconnection cable away from the copper
tube.
Fig 8.2
8. Wiring Super Slim Four-Way Cassette
Indoor Unit Wiring
SUB-MAIN
TO UNIT
INTER-CONNECTING
PCB CABLE INDOOR
TO OUTDOOR
SUB-MAINS
CIRCUIT BREAKER
2
3
MAIN SUPPLY FROM
DISTRIBUTION BOARD
1
INDOOR
UNIT
Fig. 8.3
MAINS WIRING (220-240VAC)
(Single Phase + Neutral) 50Hz
CONTROL WIRING (220-240VAC)
(Single Phase + Neutral) 50Hz
2 core + earth
2
1
Electrical Connection
REMOTE
CONTROLLER
(Optional)
WALL
CONTROLLER
DATA CABLE
(Supplied with the
controller-6 metres)
4
3EXTRA LOW VOLTAGE DATA CONTROL WIRING
2 core shielded data cable 14/0.20 (0.44mm2)
maximum 65 metres
EXTRA LOW VOLTAGE DATA CONTROL WIRING
4 core shielded data cable (0.75mm2)
maximum 12 metres
4
OUTDOOR
UNIT
SUB-MAINS
ISOLATOR
(Field Supplied
by Installer)

Page 19
8. Wiring Super Slim Four-Way Cassette
Indoor Unit Wiring Diagram 1
SWING CONTROL BOARD
CN 5 CN 6
SYNCHRONOUS
MOTORS SYNCHRONOUS MOTORS
SWING
MOTOR 1
SWING
MOTOR 2
SWING
MOTOR 3
SWING
MOTOR 4
CN 2
CN 55
CN 55
CN 66
CN 66
CN 4
L
TO MAIN CONTROL BOARD
N
BLUE RED
CN 3
SWITCH 1 SWITCH 2
XP8XP7
XP6XP5XP4XP3
X58X57
X56X55X54X53
CN 5
LIFT CONTROL BOARD
Note: only for lowering grille (C4-P1)

Page 20
Indoor Unit Wiring Diagram
8. Wiring Super Slim Four-Way Cassette
INDOOR WIRING DIAGRAM - CASCADE
CRE-053AS/CRE-071AS/ CRE-100AS/CRE-125AS/ CRE-140AS
STANDARD
R
This drawing remains the intellectual property of Actron Engineering Pty Ltd. Reproduction, modification and/or distribution are prohibited without written consent.
Revision
Description:
B
WD3003
Rev. Description Date
By
PCR
ORIGINAL
A4
Size:
Base Model No:
Variation:
Variation Code:
A
Drawing No:
Drawn: Date:
18-07-2017
NDL
Approved: Date:
INDOOR COIL OUTLET
TEMPERATURE SENSOR (T2B)
CN40
CN10
WIRED CONTROLLER
(WC-02)
CN16
CN55
CN66
CN14
CN5
CN15
CN7
CN23
CN2
CN3
CN6
CN13
FUSE
CN1
INDOOR COIL TEMPERATURE
SENSOR - T2 (BLACK)
ROOM TEMPERATURE
SENSOR - T1 (WHITE)
CHOKE
PUMP
DC INDOOR
MOTOR
FERRITE
RING
SW1 SW5
SW6
S1 S2
R26
SW2
SW3
JR6*
S2S1
N
N1
WATER LEVEL
SWITCH
FIELD WIRING BY INSTALLER -
CABLE MUST BE 2 CORE 14/0.20 (0.44mm2)
SHIELDED DATA CABLE WITH SHIELD WIRE
CONNECTED TO EARTH TERMINAL ON
INDOOR AND OUTDOOR
4 CORE SHIELDED CABLE
(SUPPLIED WITH WC-02)
*REMOVE JUMPER WIRE (JR6)
TO USE "REMOTE ON/OFF" FUNCTION
INDOOR CIRCUIT BOARD
P1
M
~
TO OUTDOOR
UNIT
FIELD WIRING BY
INSTALLER
IF
CN33
OPTIONAL ALARM
RELAY OUTPUT
24V AC/DC 0.5A MAX
(BY INSTALLER)
CN8
M
OPTIONAL 3RD PARTY
OUTSIDE AIR FAN MOTOR
OR DAMPER MOTOR
(240VAC / 200W / 1A MAX)
* SEE NOTE
A1 A2
M
OPTIONAL 3RD PARTY
OUTSIDE AIR FAN MOTOR
OR DAMPER MOTOR
3RD PARTY FRESH
AIR FAN MOTOR OR
DAMPER SUPPLY
AN
CN8
OPTIONAL 3RD PARTY
OUTSIDE AIR FAN MOTOR
RELAY (240VAC COIL)
* NOTE: OUTSIDE AIR MOTOR OR DAMPER OVER 200W OR 1A (BY INSTALLER)
FERRITE RING (INSTALLER TO CONNECT IF PROVIDED)
2 CORE + EARTH
BReviseID and OD cable specs. LC 15/03/2018
WG 05-04-2018