Ecox NACM User manual

ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
Thank you for purchasing this ecox product
Before using this machine, please read this manual and retain it for future reference.
INSTALLATION MANUAL
NACM / EACM
NACM / EACM

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NACM/EACM ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
INSTALLATION PRECAUTIONS
SAFETY PRECAUTIONS
SELECT THE BEST LOCATION
ACCESSORIES
INSTALLATION PLATE MOUNTING
DRILL A HOLE IN THE WALL
CONNECT THE CABLE TO THE INDOOR UNIT
CONNECTIVE PIPE AND DRAINAGE INSTALLATION
OUTDOOR INSALLATION PRECAUTION
DRAIN JOINT INSTALLATION
REFRIGERANT PIPE CONNECTION
CONNECT THE CABLE TO THE OUTDOOR UNIT
AIR PURGING AND TEST OPERATION
CONTENIDO
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These instructions are intended as an aid to qualied licensed
service personnel for proper installation, adjustment and
operation of this unit. Read these instructions thoroughly before
attempting installation or operation. Failure to follow these
instructions may result in improper installation, adjustment,
service or maintenance possibly resulting in re, electrical
shock, property damage, personal injury or death.
Keep running condition your air conditioning performing at
least every six months clean the lters, coils and fans.
Keep in good working control systems, such as the thermostat.
The comfort temperature is between 21° C and 23° C, holding
the temperature within this range will help the team save more
energy.
Do not place the thermostat near spotlights, lamps or heat-
producing appliances and the operation of the system may be
inadequate and / or poor.
When using the air conditioner keep doors and windows closed
in conditioned environments in order to keep out hot outside air.
If the area where the air conditioner is going to remain idle, shut
down your computer for saving energy.
In unconditioned spaces should reduce the heat load introduced
by excessive lighting or equipment remain on unnecessarily.
WARNING

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NACM/EACM
ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
INSTALLATION PRECAUTIONS
Please read this installation manual carefully before operating
the unit to ensure correct installation.
If the power cord is damaged, replacement work shall be
performed by authorised personnel only.
Installation must be performed in accordance with the
requirement of NEC and CEC by authorized personnel only.
Contact an authorized service technician for repair, maintenance
and installation of this unit.
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 persons responsible for their safety.
Children should be supervised to ensure that they do not play
with the appliance.
All the pictures in the instructions are for explanation purposes
only. The actual shape should prevail.
The design and specications are subject to change without
prior notice for product improvement.
Consult with the sales agency or manufacturer for details.
SAFETY PRECAUTIONS
Please read these safety precautions carefully before installation
Be sure to follow all the precautions below, they are all important
for ensuring safety.
This symbol indicates the possibility of death or serious
injury.
This symbol indicates the possibility of injury or damage
to property.

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NACM/EACM ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
CAUTION
Install according to this installation instructions strictly. If
installation is defective, it will cause water leakage, electrical
shock,or re.
Use the included accessories parts and specied parts for
installation. otherwise, it will cause the set to fall, water leakage,
electrical shock,or re.
Install at a strong and rm location which is able to withstand
the set s weight. If the strength is not enough or installation is
not properly done, the set will drop and cause injury.
For electrical work, follow the local national wiring standard,
regulation and this installation instructions.
An independent circuit and single outlet must be used. If
electrical circuit capacity is not enough or defect found in
electrical work, it will cause electrical shock,or re.
Use the specied cable and connect tightly and clamp the
cable so that no external force will be acted on the terminal. If
connection or xing is not perfect, it will cause heat-up or re
at the connection.
Wiring routing must be properly arranged so that control
board cover is xed properly. If control board cover is not xed
perfectly, it will overheat at connection point of terminal, re or
electrical shock.
This equipment must be grounded and installed with ground
leakage current breaker. It may cause electrical shock if
grounding is not perfect.
Do not install the unit at place where leakage of ammable gas
may occur. In case gas leaks and accumulates at surrounding of
the unit, it may cause re.
Carry out drainage piping as mentioned in installation
instructions. If drainage is not perfect, water
may enter the room and damage the furniture.
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WARNING
When carrying out piping connection, take care not to
let air substances other than the specied refrigerant
go into refrigeration cycle. Otherwise, it will cause lower
capacity, abnormal high pressurem in the refrigeration
cycle, explosion and injury.
Do not modify the length of the power supply cord
or use of extension cord, and do not share the single
outlet with other electrical appliances. Otherwise, it will
cause re or electrical shock.

5
NACM/EACM
ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
SELECT THE BEST LOCATION
ACCESSORIES
INDOOR UNIT
There should not be any heat source or stream near the unit.
There should not be any obstacles blocking the air circulation.
A place where air circulation in the room is good.
A place where drainage can be easily done.
A place where noise prevention is taken into consideration.
Do not install the unit near the door way.
Ensure the spaces indicated by arrows from the wall, ceiling,
fence or other obstacles.
There should not be any direct sunlight. If unavoidable,
sunlight prevention should be taken into consideration.
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Installation Plate
Clip Anchor
Self-tapping Screw A ST3.9x2 5
Seal(Fo r cooling & heatin g models only)
Drain Joint(Fo r cooling & heating models only）
Connecting
pipe
Assembly
Liquid sid e
Ga s side
Remot e controlle r
Φ6.35(1/ 4 in)
Φ9.52(3/8in)
Φ9.52(3/8in)
Φ12.7(1/2in)
Φ16(5/8in)
Parts you must purchase. The pipe
size differ from appliance to appliance.
Consul t the technician for the proper
size.
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5-8(depending on models )
5-8(depending on models )
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NUMBER NAME OF ACCESSORIES QUANTITY
Except the above parts provided,the other
parts needed during installation you must
purchase.
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A
B
C
Filtro de aire
Doblar el cable conector
Control Remoto
2.3 mts
15 cms.
Mas de 30 cm.
Mas de 60 cm.
Mas de 30 cm.
Mas de 200 cm.
Mas de 15 cm.
Mas de 23 cm.
Mas de 12 cm.Mas de 12 cm.
8Self-tapping Screw B ST2.9X10
Remote controller holder
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Optional
parts

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NACM/EACM ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
INSTALLATION PLATE MOUNTING
DRILL A HOLE IN THE WALL
INSTALLATION PLATE MOUNTING
The mounting wall is strong and solid enough to prevent it from
the vibration.
Fit the installation plate horizontally on structural parts of the
wall with spaces around the installation plate.
If the wall is made of brick, concrete or the like, drill ve or
eight 5mm diameter holes in the wall.Insert Clip anchor for
appropriate mounting screws.
Fit the installation plate on the wall with ve or eight type A
screws.
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Mount the Installation Plate and drill holes in the wall according
to the wall structure and corresponding mounting points on the
installation plate. The installation plate provided with the machine
dier from appliance to appliance.
(Dimensions are in mm/in unless otherwise stated)
Determine hole positions according to left and right side of the
installation plate. The hole center is obtained by measuring the
distance as shown in the diagram above.
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OUTDOOR UNIT
SETTLEMENT OF OUTDOOR UNIT
If an awning is built over the unit to prevent direct sunsight or
rain,be careful that heat radiation from the condenser is not
obstructed.
There should not be any animal or plant which could be aected
by hot air discharged.
Keep the spaces indicated by arrow from wall ceiling, fence or
other obstacles.
Do not place any obstacles which may cause a short circuit of
the discharged air.
Anchor the outdoor unit with a bolt and nut φ10 or φ8 tightly
and horizontally on a concrete or rigid mount.
The outdoor unit you purchase may be like one of the following.
Install the outdoor unit according to the dimension as indicated in
the table below:
C
A
Model A ( A: 710, B:250, C:100, D:110)
Model B ( A: 710, B:250, C:60, D:140)
B
D
85
150 205
930
275
790
NOTE
NOTE
NOTE
Correct orientation
of installation Plate

7
NACM/EACM
ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
CONNECT THE CABLE TO THE INDOOR UNIT
ELECTRICAL WORK
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Electric safety regulations for the initial Installation
If there is serious safety problem about the power supply, the
technicians should refuse to install the air conditioner and
explain to the client until the problem is solved.
Power voltage should be in the range of 90%~110%of rated
voltage.
The surge protector and main power switch with a 1.5 times
capacity of Max. Current of the unit should be installed in power
circuit. Ensure the air conditioner is grounded well.
The appliance shall be installed in accordance with national
wiring regulations. Do not operate your air conditioner in a wet
room such as a bathroom or laundry room.
An all-pole disconnection device which has at least 3mm
clearances in all poles, and have a leakage current that may
exceed 10mA, the residual current device(RCD) having a
rated residual operating current not exceeding 30mA, and
disconnection must be incorporated in the xed wiring in
accordance with the wiring rules.
For the unit adopts auxiliary electric heater, keep at least 1
meter away from the nearest combustible materials.
According to the attached Electrical Connection Diagram
located on the panel of the indoor & outdoor unit to connect
the wire.
All wiring must comply with local and national electrical codes
and be installed by qualied and skilled electricians.
An individual branch circuit and single receptacle used only for
this air conditioner must be available. See the following table
for suggested wire sizes and fuse specications:
5-7mm/
0.2in-0.3i n
The wire size of power supply cord and interconnected wire and
the current of the fuse or switch are determined by the maximum
current indicated on the nameplate which located on the side
panel of the unit. Please refer to the nameplate before selecting the
wire size, fuse or switch.
The controller of the air conditioner designed with a fuse protection
function under abnormal conditions, the specications of the
fuse have printed on the circuit board, such as: 3.15A/250VAC,
T5A/250VAC, etc.
Minimum cross-sectional area of conductors:
CONNECT THE CABLE TO THE INDOOR UNIT
Before performing any electrical work, turn o the main power to
the system.
The inside and outside connecting cable can be connected
without removing the front grille.
Lift the indoor unit panel up, remove the electrical box cover by
loosening the screw.
Ensure the colour of wires of outdoor unit and the terminal Nos.
are the same to the indoor s respectively.
Wrap those cables not connected with terminals with insulation
tapes, so that they will not touch any electrical components.
Secure the cable onto the control board with the cord clamp.
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Dirll the piping plate hole with φ65mm/2.6in hole-core drill.
Drill the piping hole at either the right or the left and the hole
should be slightly slanted to the outdoor side.
Always take steps to protect the pipe when drilling metal
grid,metal plate or the like.
NOTE
NOTE
4
Cover
Front Cover
Corner Cover
Cooling Only Type
to indoor unit

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NACM/EACM ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
CONNECTIVE PIPE AND DRAINAGE INSTALLATION
DRAINAGE
CONNECTIVE PIPE INSTALLATION
Run the drain hose sloping downward.
Do not install the drain hose as illustrated in wrong gures.
When connecting extension drain hose, insulate the connecting
part of extension drain hose with a shield pipe, do not let the
drain hose slack.
For the left-hand and right-hand piping, remove the pipe cover
from the side panel.
For the right back and left back piping, install the piping as
shown.
Bundle the tubing, connecting cable, and drain hose with tape
securely, evenly as shown in Figure on the right.
Both sides drainage structure is standard. For both sides drainage
structure, it can be choosen for right, left or both sides
drainage connection. If choosing both sides drainage connection,
another proper drain hose is needed as there is only one drain hose
oered by factory. If choosing one side drainage connection, make
sure the drain hole on the other side is well plugged.
For 9k/12k models, if choosing left-hand or left-back piping,please
choosing left side drainage connection. The connection of the
drain hose is supposed to be done by qualied installer in case of
water le
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Because the condensed water from rear of the indoor unit is
gathered in ponding box and is piped out of room. Do not put
anything else in the box.
CAUTION
Connect the indoor unit rst, then the outdoor unit.
Do not allow the piping to let out from the back of the indoor unit.
Be careful not to let the drain hose slack.
Heat insulation should be done to the extension drain hose of
indoor unit.
Be sure that the drain hose is located at the lowest side of the
bundle. Locating at the upper side can cause drain pan to overow
inside the unit.
Never intercross nor intertwist the power wire with any other
wiring.
NOTE

9
NACM/EACM
ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
INDOOR UNIT INSTALLATION
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OUTDOOR INSALLATION PRECAUTION
DRAIN JOINT INSTALLATION
Pass the piping through the hole in the wall.
Hook the indoor unit onto the upper portion of installation
plate(Engage the indoor unit with the upper edge of the
installation plate). Ensure the hooks are properly seated on the
installation plate by moving it in left and right.
Piping can easily be made by lifting the indoor unit with a
cushioning material between the indoor unit and the wall. Get
it out after nish piping.
Press the lower left and right side of the unit against the
installation plate until hooks engages with the their slots.
Install the outdoor unit on a rigid base to prevent increasing
noise level and vibration.
Determine the air outlet direction where the discharged air is
not blocked.
In the case that the installation place is exposed to strong wind
such as a seaside, make sure the fan operating properly by
putting the unit lengthwise along the wall or using a dust or
shield plates.
Specially in windy area, install the unit to prevent the admission
of wind. If need suspending installation, the installation bracket
should accord with technique requirement in the installation
bracket diagram. The installation wall should be solid brick,
concrete or the same intensity construction, or actions to
reinforce, damping supporting should be taken.
The connection between bracket and wall, bracket and the air
conditioner should be rm, stable and reliable.
Be sure there is no obstacle which block radiating air.
The drain joint is slightly dierent according to the dierent
outdoor unit.
For the drain joint with the seal(Fig.A), rst t the seal onto the
drain joint, then insert the drain joint into the base pan hole of
outdoor unit, rotate 90 to securely assemble them.
To install drain joint as shown in Fig.B, insert the drain joint into
the base pan hole of outdoor unit until it remains xed with
a clicking sound. Connecting the drain joint with an extension
drain hose (Locally purchased), in case of the water draining o
the outdoor unit during the heating mode.
REFRIGERANT PIPE CONNECTION
FLARING
Cut a pipe with a pipe cutter.
Put are nuts on pipe/tube having completed burr removal and
are the pipe.
Firmly hold copper pipe in a die in the dimension shown in the
table below.
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Base pan hole
of indoor unit
Drain jointSeal
NOTE

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NACM/EACM ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
AIR PURGING AND TEST OPERATION
TIGHTENING CONNECTION
Align pipes to be connected.
Suciently tighten the are nut with ngers, and then tighten
it with a spanner and torque wrench as shown.
Excessive torque can break nut depending on installation
conditions.
CONNECT THE CABLE TO THE OUTDOOR UNIT
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Remove the electrical control board cover from the outdoor
unit by loosening the screw.
Connect the connective cables to the terminals as identied
with their respective matched numbers on the terminal block
of indoor and outdoor units.
Secure the cable onto the control board with the cord clamp.
To prevent the ingress of water, form a loop of the connective
cable as illustrated in the installation diagram of indoor and
outdoor units.
Insulate unused cords (conductors) with PVC-tape. Process
them so they do not touch any electrical or metal parts.
Connective pipe length will aect the capacity and energy
eciency of the unit. The nominal eciency is tested basing on the
pipe length of 7.5m (25ft).
Air purging
The indoor unit and tubing between the indoor and outdoor
unit must be leak tested and evacuated to remove any
noncondensables and moisture from the system.
Check that each tube(both liquid and gas side tubes) between
the indoor and outdoor units have been properly connected
and all wiring for the test run has been completed.
Pipe length and refrigerant amount:
1
For the R410A refrigerant model, make sure the refrigerant
added into air conditioner is liquid form in any cases.
When relocating the unit to another place, using vacuum pump
to perform evacuation.
CAUTION
Open the valve stem until it hits against the stopper. Do not try to
open it further.
Securely tighten the valve stem cap with a spanner or the like.
Valve stem cap tightening torque. See Tightening torque table.
NOTE
Cover
Screw
Terminal block of outdoor unit
To indoor unit To indoor unit
Terminal block of outdoor unit
To indoor unit
Model < 12000 Btu/h
Model 12000 Btu/h

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NACM/EACM
ROOM AIR CONDITIONER - SPLIT WALL-MOUNTED TYPE
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CAUTION
When using the Vacuum Pump
Completely tighten the are nuts, A, B, C, D, connect the
manifold valve charge hose to a charge port of the packed valve
on the gas pipe side.
Connect the charge hose connection to the vacuum pump.
Fully open the handle Lo of the manifold valve.
Operate the vacuum pump to evacuate. After starting
evacuation, slightly loose the are nut of the packed valve on
the gas pipe side and check that the air is entering. (Operation
noise of the vacuum pump changes and a compound meter
indicates 0 instead of minus)
After the evacuation is complete, fully close the handle Lo of the
manifold valve and stop the operation of the vacuum pump.
Make evacuation for 15 minutes and more and check
that the compound meter indicates -76cmHg(-1.0x105Pa).
Turn the stem of the packed valve B about 45O counterclockwise
for 6~7 seconds after the gas coming out, then tighten the
are nut again. Make sure the pressure display in the pressure
indicator is a little higher than the atmosphere pressure.
Remove the charge hose from the Low pressure charge hose.
Fully open the packed valve stems B and A.
Securely tighten the cap of the packed valve.
Safety and leakage check
Soap water method:
Apply a soap water or a liquid neutral detergent on the indoor
unit connections and outdoor unit connections by a soft brush
to check for leakage of the connecting points of the piping. If
bubbles come out, it indicates that the pipes have leakage.
Leak detector
Use the leak detector to check for leakage.
Testrunning
Perform test operation after completing gas leak check at the
are nut connections and electrical safety check.
Check that all tubing and wiring have been properly connected.
Check that the gas and liquid side service valves are fully open.
Connect the power, press the ON/OFF button on the remote
controller to turn the unit on.
Use the MODE button to select COOL, HEAT, AUTO and FAN to
check if all the functions works well.
When the ambient temperature is too low (lower than
17OC/62OF), the unit cannot be controlled by the remote
controller to run at cooling mode, manual operation can
be taken. Manual operation is used only when the remote
controller is disable or maintenance necessary.
Hold the panel sides and lift the panel up to an angle until it
remains xed with a clicking sound.
Press the Manual control button to select the AUTO or COOL,
the unit will operate under Forced AUTO or COOL mode (see
User Manual for details).
The test operation should last about 30 minutes.
A: Lo packed valve B: Hi packed valve C and D are ends of indoor
unit connection.
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AF_ECX_ING_NACM/EACM_IM_141114