intensity IFCH412KF-3 Quick start guide

FAN & COIL UNIT
MAN-O-IFCH412-0615
intensity.mx
OWNER´S
INSTALLATION MANUAL
IFCH412KF-3
3 Tons.
Thank you very much for purchasing our air conditioner,
Before using your air conditioner, please read this manual carefully and keep it for future reference.

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Owner’s & Installation manual
CONTENTS PAGE
PRECAUTIONS.......................................................................................1
INSTALLATION INFORMATION................................................................2
FUNCTIONS & FEATURES ......................................................................2
ACCESSORIES........................................................................................2
OPERATION RANGE................................................................................2
PARTS NAMES......................................................................................3
INSTALLATION .......................................................................................3
PIPE CONNECTION..................................................................................6
INSTALLATION DRAINAGE PIPE.............................................................6
WIRING..................................................................................................7
Be sure to be in conformity with the local, national and
international laws and regulations.
Read "PRECAUTIONS" carefully before installation.
The following precautions include important safty items.
Observe them and never forget.
Keep this manual in a handy place for future reference.
Before out from factory, FAN COIL UNIT (AIR UNITS) has
passed Fan Coil Overpressure Resistant Test, Statically
and Dynamically Balanced Adjustment, Noise Test, Air
(cool) Volume Test, Electric Property Test, Outline Quality
Detection.
1. PRECAUTIONS
The safety precautions listed here are divided into two categories. In
either case, important safety information is listed which must be read
carefully.
WARNING
After completing the installation, make sure that the unit operates
properly during the start-up operation. Please instruct the customer
on how to operate the unit and keep it maintained.
Be sure only trained and qualified service personnel to
install, repair or service the equipment.
Improper installation, repair, and maintenance may result in
electric shocks, short-circuit, leaks, fire or other damage to
the equipment.
Failure to observe a warning may result in death.
Failure to observe a caution may result in injury or
damage to the equipment.
CAUTION
WARNING
Install according to this installation instructions strictly.
If installation is defective, it will cause water leakage,
electrical shock and fire.
When installing the unit in a small room, take measures
against to keep refrigerant concentration from exceeding
allowable safety limits in the event of refrigerant leakage.
Contact the place of purchase for more information.
Excessive refrigerant in a closed ambient can lead to oxygen
deficiency.
Use the attached accessories parts and specified parts
for installation.
otherwise, it will cause the set to fall, water leakage,
electrical shock and fire.
The appliance must be installed 2.3m above floor.
The appliance shall not be installed in the laundry.
Before obtaining access to terminals, all supply circuits
must be disconnected.
The appliance must be positioned so that the plug is
accessible.
The enclosure of the appliance shall be marked by word,
or by symbols, with the direction of the fluid flow.
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 in
electrical work, it will cause electrical shock fire.
Use the specified cable and connect tightly and clamp
the cable so that no external force will be acted on the
terminal.
If connection or fixing is not perfect, it will cause heat-up or
fire at the connection.
Wiring routing must be properly arranged so that control
board cover is fixed properly.
If control board cover is not fixed perfectly, it will cause
heat-up at connection point of terminal, fire or electrical
shock.
If the supply cord is damaged, it must be replaced by the
manufacture or its service agent or a similarly qualified
person in order to avoid a hazard.
An all-pole disconnection switch having a contact
separation of at least 3mm in all poles should be
connected in fixed wiring.
When carrying out piping connection, take care not to let
air substances go into refrigeration cycle.
Otherwise, it will cause lower capacity, abnormal high
pressure in the refrigeration cycle.
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 fire or electrical shock.
If the water leaks during installation, ventilate the area
immediately.
After completing the installation work, check that the
water does not leak.
The cool water in the unit is not lower than 3, hot water is
not higher than 80. Water in the unit must clean, air quality
must meet to the standard of PH=6.5~7.5.

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Owner’s & Installation manual
3. FUNCTIONS & FEATURES
Nested in the ceiling, space-saving and noble.
High capcity of cooling / heating performance, high efficiency
and energy-saving.
Adjust the indoor temperature rapidly and averagely.
Low noise design.
The air outlet is laid out in the way you desire.
The air conditioner must be installed by qualified persons.
When installing the indoor unit or its tubing, please follow this
manual as strictly as possible.
If the air conditioner is installed on a metal part of the building, it
must be electrically insulated according to the relevant
standards to electrical appliances.
When all the installation work is finished, please turn on the
power only after a thorough check.
Regret for no further announcement if there is any change of
this manual caused by product improvement.
To install properly, please read this "Owner’s & Installation
manual" at first.
2. INSTALLATION INFORMATION
Owner’s & installation manual
Accessory Name Qty. Sharp
1
1
Purpose
This manual
4. ACCESSORIES
Table 4-1
DISPOSALDo not dispose this product as unsor-
ted municipal waste. Collection of such waste sepa-
rately for special treatment is necessary.
Ground the air conditioner.
Do not connect the ground wire to gas or water pipes,
lightning rod or a telephone ground wire.Incomplete
grounding may result in electric shocks.
Be sure to install an earth leakage breaker.
Failure to install an earth leakage breaker may result in
electric shocks.
Connect the outdoor unit wires , then connect the indoor
unit wires.
You are not allow to connect the air conditioner with the
power source until wiring and piping the air conditioner is
done.
While following the instructions in this installation
manual, install drain piping in order to ensure proper
drainage and insulate piping in order to prevent
condensation.
Improper drain piping may result in water leakage and
property damage.
Install the indoor and outdoor units, power supply wiring
and connecting wires at least 1 meter away from
televisions or radios in order to prevent image
interference or noise.
Depending on the radio waves, a distance of 1 meter may not
be sufficient enough to eliminate the noise.
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.
Disconnect the power supply before cleaning and
maintenance. Use dry cloth to clean the unit.
Don't install the air conditioner in the following locations:
There is petrolatum existing.
There is salty air surrounding (near the coast).
There is caustic gas (the sulfide, for example) existing
in the air (near a hot spring).
The Volt vibrates violently (in the factories).
In buses or cabinets.
In kitchen where it is full of oil gas.
There is strong electromagnetic wave existing.
There are inflammable materials or gas.
There is acid or alkaline liquid evaporating.
Other special conditions.
CAUTION
NOTE
1
2
3
4
If air conditioner is used outside the above conditions, it
may cause the unit to function abnormally.
The phenomenon is normal that the surface of air
conditioning may condense water when the relative larger
humidity in room, please close the door and window.
Optimum performance will be achieved within these
operating temperature range.
Water system operating pressuer: Max: 1.6MPa, Min:
0.15MPa.
5. OPERATION RANGE
Use the system in the following temperature for safe and
effective operation.
Cooling operation
Heating operating
(cooling only type without)
Mode
Temperature Outdoor
temperature
Room
temperature
Water inlet
temperature
0°C30°C-15°C24°C
0°C43°C
Table 5-1
17°C32°C
30°C80°C
3°C20°C
Accessional plastic water tray
(no air return box type without

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Owner’s & Installation manual
6. PARTS NAMES
7.1 Installing site
7. INSTALLATION
Install the unit where enough space of installation and
maintenance is available.
Install the unit where the ceiling is horizontal and enough for
bearing the weight of the indoor unit.
Install the unit where the air inlet and outlet are not baffled
and are the least affected by external air.
Install the unit where the supply air flow can be sent to all
parts in the room.
Install the unit where it is easy to lead out the connective
pipe and the drain pipe.
Install the unit where connotative heat is emitted from a heat
source directly.
Installing the equipment in any of the following places may
lead to faults of the equipment (if that is inevitable, consult
the supplier):
The site contains mineral oils such as cutting lubricant.
Seaside where the air contains much salt.
Hot spring area where corrosive gases exist, e.g., sulfide
gas.
Factories where the supply voltage fluctuates seriously.
Inside a car or cabin.
Place like kitchen where oil permeates.
Place where strong electromagnetic waves exist.
Place where flammable gases or materials exist.
Place where acid or alkali gases evaporate.
Other special environments.
CAUTION
Precautions before installation
Decide the correct way of conveying the equipment.
Try to transport this equipment with the original package.
If the air conditioner needs to be installed on a metal part of
the building, electric insulation must be performed, and the
installation must meet the relevant technical standards of
electric devices.
Confirm the dimensions of the indoor unit against the
following figure.
Install 10 pendant bolts (4 bolts)
The intervals of the pendant bolts are shown in the following
figure.
7.2 Installating the fan coil units
Use the 10 pendant bolts.
The treatment of the ceiling varies between buildings. For
detailed measures, negotiate with the construction and fit-out
staff.
Scope of dismantling the ceiling…Please keep the ceiling
horizontal. Reinforce the beams and girders of the ceiling lest
vibration of the ceiling.
Cut off the beams and girders of the ceiling.
Reinforce the cut-off part, beams and girders of the ceiling.
After the main body is suspended, work on the pipes and
wires in the ceiling. Decide the lead-out direction of the pipes
after selecting the installation site. Especially, in a
circumstance where a ceiling is available, extend the
refrigerant pipe, drain pipe, indoor/outdoor connection wires
and wire controller lines to the connection position before
suspending the unit.
7.2.1 Procedure of installing the pendant bolts.
Base on the unit structure, please set the screw-pitch
according to the size of the following figures:
Wooden structure
Wooden span
Beam
Ceiling
Pendant bolt
Set and use supportive angle steel.
Steel beam and girder structure
Suspended bolt
Pendant bolt Supportive angle steel
Put rectangular sticks across the beams, and set pendant
bolts.
Wooden span
Beam
Ceiling
Pendant bolt
Old concrete roughcast
Use embedded bolts and embedded pulling plugs.
Fig.6-1
Fig.7-1
Fig.7-2
Fig.7-3
Two cochleate
The above figures is an instance models, which would be different
from the one that you purchase.
effluent valve of
water collector
mounting panel
of water collector
terminal board
mounting lug
influent valve
of water calector
defrosting tray
top cover
HRV
air return cabinet

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Owner’s & Installation manual
Set it with embedded bushes or embedded bolts.
New concrete roughcast
Flap type inser Slide type inser
Concrete iron
Embedded bolt
(With embedded
bolt in pipe)
Gasket
Pendant bolt
Nut
Pendant
assembly
Suspending the indoor unit
Use tools such as pulleys to hoist the indoor unit to the
pendant bolt.
Use tools such as gradienter to settle the indoor unit
horizontally. Lack of horizontality may cause water leak.
Connect the duct
The duct length is determined according to the external
static pressure.
Install the wire control switch
For installation of the wire control switch, see the
installation manual of the wire controller.
7.2.3 Sample unit specification figure
Fig.7-4
Fig.7-5
Fig.7-6
Two pipe type
Fig.7-9
The quantities of the fans and motors are only for reference, please prevail in kind!
Electric control box
B (Air return port)
A
F
Condensation
water draining port
4-10X16Hoisting hole
Intlet
Outlet
Air exhaust valve

 

Ceiling
7.2.2 Space requirement.
Fig.7-7 Fig.7-8
Ceiling

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Owner’s & Installation manual
NOTE
The above figures is an instance models, which would be different from the one that you purchase.
The broken lines in above figures for illustrate the dimension of air return box. (Lower side air return box and rear air return box)
If you need to order air return box from us, please be specific describe which kind you need.
Push it
this way
Fig.7-9
Two grooves
The accessional plastic water tray
01-7.giF
The grooves of the accessional plastic water tray can be locked at the brim of the main water tray.
Please hang up the accessional plastic water tray to the pipes or ceiling by a rope.
7.3 Connect the accessional plastic water tray no air return box type without
Table 7-1
A
B
C
D
1628
1660
1600
1856
E
1600
F 1698
Model
Size ledoM-0021
11-7.giF
Rope
Water pipes

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Owner’s & Installation manual
With air release valve, the other side is water inlet pipe.
When connect water collecter, set the tightening torque to
6180~7540N.cm(630~770kgf.cm), and use a spanner to
tighten it as shown in Figure.
The diameter of connective junction in water inlet pipe and
water outlet pipe is RC3/4 tapper pipe thread inside.
The diameter of condensate pipe is ZG3/4 tapper pipe thread
outside.
8. PIPES CONNECTION
Fig.8-1
9. INSTALLATING DRAINAGE PIPE
Install the drain pipe of the fan coil unit
Before out from factory, the scupper adopts the pipe thread.
Be sure to perform heat insulation for the drain pipe of the
indoor unit. Otherwise, condensate will occur. The joint of the
indoor unit should also undergo heat insulation treatment.
When performing the pipes connection, use the rigid PVC
binder, and make sure that no leak exists.
Same as the joint of the indoor unit. Be careful not to apply
force at the pipe side of the indoor unit.
The downward gradient of the drain pipe should be higher
than (1/100), without bend in the middle.
The total length of the drain pipe when pulled out traversely
shall not exceed 20m, when the pipe is over long, a prop
stand must be installed prevent winging.
NOTE
Fig.9-1
Heat insulation
materials
1.5m~2m
Downward gradient
is over 1/100
The centralized pipes should be distributed against the figure
shown on the right side.
Drain test
Before the test, ensure that the drain pipes are smooth and
the adapters are sealed.
Newly built rooms should undergo the drain test before the
ceiling is laid.
Fig.9-3
Fig.9-2
Bend
S-shape
As large as practicable (approx. 10cm)
Downward gradient
is over 1/100

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Owner’s & Installation manual
10. WIRING
CAUTION
The air conditioner should use separate power supply with rated voltage.
The external power supply to the air conditioner should have ground wiring, which is linked to the ground wiring of the indoor
and outdoor unit.
The wiring work should be done by qualified persons according to circuit drawing.
an all-pole disconnection device which has at least 3mm separation distance in all pole and a residual current device(RCD)with
the rating of above 10mA shall be incorporated in the fixed wiring according to the national rule.
The appliance shall be installed in accordance with national wiring regulations.
Be sure to locate the power wiring and the signal wring well to avoid cross-disturbance.
Do not turn on the power until you have checked carefully after wiring.
AIR FLOW(CFM)
POWER
CIRCUIT BREAKER/FUSE(A)
INDOOR UNIT POWER
WIRING(mm2)
BELOW 20M
BELOW 50M
PHASE
FREQUENCY AND VOLT
1200
1-phase
220-240V~ 60Hz
15/15
Twisted pairwire2.5
Twisted pairwire6
2.5
Table 10-1
GROUND WIRING(mm2)
The power cord type designation is H05RN-F or above.