McQuay E Series Yükleme Rehberi

Kategori
Split sistem klimalar
Tip
Yükleme Rehberi
INVERTER CEILING CASSETTE
SPLIT TYPE AIR CONDITIONER
(E Series)
© 2009 McQuay International
INSTALLATION MANUAL
IM-5CKYER-1009(1)-McQuay
Part Number: R08019034195A
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1-1
English
Indoor Unit 5CKY20/25E/ER & 5CKY28/40/50ER
A
B
C
D
E
F
H
K
J
I
G
Original Instruction
All dimensions are in mm
OUTLINE AND DIMENSIONS
Dimension
Model
AB C D E F GH I J K
5CKY20/25E/ER
5CKY28ER
820 820 340 300 40 990 990 627 627 607 430
5CKY40/50ER 820 820 375 335 40 990 990 627 627 607 430
Outdoor Unit 5SLY20/25C/CR
All dimensions are in mm
N
L
KL
TN
M
A
D
O
PBQ
RS
C
HG
FE
IJ
Dimension
Model
ABCDEFGHI JKLMNOPQRST
5SLY20/25C/CR 855 730 328 513 182 44 93 149 101 113 603 126 164 15 47 3 23 73 75 362
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1-2
Outdoor Unit 5SLY28CR
A
D
K
E
S
T
S
T
GRR
OMN
H
P
Q
L
C
FU
J
B
I
Dimension
Model
ABCDEFGHI JKLMNOPQRSTU
5SLY28CR 940 348 753 855 392 733 603 328 303 370 362 448 190 80 58 180 32 126 32 15 23
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English
Outdoor Unit 5SLY40/50FR
AB AC AD
AE
AFAG
AH
AI
AA
AJ
AK
A
C
B
D
F
E
L
M
KJ
NO
Q
P
R
S
T
U
V
W
Z
X
Y
AT
AS
H
G
AU
AP
AQ
AO
AL
AM
AN
Dimension
Model
ABCDEFGHI JKLMN
5SLY40/50FR
900 1374 30 24 60 89 142 89 19 54 95 423 430 95
OPQRSTUVWXYZ
54 19 89 145 84 55 55 223 148 13 52 67
AA AB AC AD AE AF AG AH AI AJ AK AL AM AN
350 140 620 140 30 320 30 59 43 40 94 117 102 70
AO AP AQ AR AS AT AU
45 376 191 70 58 16 16
All dimensions are in mm
AR
I
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SAFETY PRECAUTIONS
! WARNING ! CAUTION
Installation and maintenance should be performed by quali ed
persons who are familiar with local code and regulation, and
experienced with this type of appliance.
All eld wiring must be installed in accordance with the national
wiring regulation.
Ensure that the rated voltage of the unit corresponds to that of
the name plate before commencing wiring work according to
the wiring diagram.
The unit must be GROUNDED to prevent possible hazard due
to insulation failure.
All electrical wiring must not touch the refrigerant piping, or
any moving parts of the fan motors.
Con rm that the unit has been switched OFF before installing
or servicing the unit.
Disconnect from the main power supply before servicing the
air conditioner unit.
DO NOT pull out the power cord when the power is ON. This
may cause serious electrical shocks which may result in re
hazards.
Keep the indoor and outdoor units, power cable and transmission
wiring, at least 1m from TVs and radios, to prevent distorted
pictures and static. {Depending on the type and source of the
electrical waves, static may be heard even when more than 1m
away}.
Please take note of the following important points when
installing.
Do not install the unit where leakage of ammable gas may
occur.
If gas leaks and accumulates around the unit, it may cause
re ignition.
Ensure that drainage piping is connected properly.
If the drainage piping is not connected properly, it may
cause water leakage which will dampen the furniture.
Do not overcharge the unit.
This unit is factory pre-charged.
Overcharge will cause over-current or damage to the
compressor.
Ensure that the unitʼs panel is closed after service or
installation.
Unsecured panels will cause the unit to operate noisily.
Sharp edges and coil surfaces are potential locations which
may cause injury hazards.
Avoid from being in contact with these places.
Before turning off the power supply, set the remote
controllerʼs ON/OFF switch to the “OFF” position to
prevent the nuisance tripping of the unit. If this is not done,
the unitʼs fans will start turning automatically when power
resumes, posing a hazard to service personnel or the user.
Do not operate any heating apparatus too close to the air
conditioner unit. This may cause the plastic panel to melt or
deform as a result of the excessive heat.
Do not install the units at or near doorway.
Do not operate any heating apparatus too close to the air
conditioner unit or use in room where mineral oil, oil vapour
or oil steam exist, this may cause plastic part to melt or
deform as a result of excessive heat or chemical reaction.
When the unit is used in kitchen, keep our away from going
into suction of the unit.
This unit is not suitable for factory used where cutting oil
mist or iron powder exist or voltage uctuates greatly.
Do not install the units at area like hot spring or oil re nery
plant where sulphide gas exists.
Ensure the color of wires of the outdoor unit and the
terminal markings are same to the indoors
respectively.
IMPORTANT: DO NOT INSTALL OR USE THE AIR
CONDITIONER UNIT IN A LAUNDRY ROOM.
Donʼt use joined and twisted wires for incoming power
supply.
Avoid direct contact of any coil treatment cleaners on plastic
part. This may cause plastic part to deform as a result of
chemical reaction.
For any enquiries on spare parts please contact your
authorized dealer.
The equipment is not intended for use in a potentially
explosive atmosphere.
This manual provides the procedures of installation to ensure a safe and good standard of operation for the air conditioner unit.
Special adjustment may be necessary to suit local requirements.
Before using your air conditioner, please read this instruction manual carefully and keep it for future reference.
This appliance is intended to be used by expert or trained users in shops, in light industry and on farms, or for commercial use by lay persons.
INSTALLATION MANUAL
NOTICE
Disposal requirements
Your air conditioning product is marked with this symbol. This means that electrical and electronic products shall not be mixed with unsorted
household waste.
Do not try to dismantle the system yourself: the dismantling of the air conditioning system, treatment of the refrigerant, of oil and of other parts
must be done by a quali ed installer in accordance with relevant local and national legislation.
Air conditioners must be treated at a specialized treatment facility for re-use, recycling and recovery. By ensuring this product is disposed of
correctly, you will help to prevent potential negative consequences for the environment and human health. Please contact the installer or local
authority for more information.
Batteries must be removed from the remote controller and disposed of separately in accordance with relevant local and national legislation.
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English
IMPORTANT
Important information regarding the refrigerant used
This product contains uorinated greenhouse gases covered by the Kyoto Protocol.
Do not vent gases into the atmosphere.
Refrigerant type: R410A
GWP
(1)
value: 1975
(1)
GWP = global warming potential
Please ll in with indelible ink,
n 1 the factory refrigerant charge of the product,
n 2 the additional refrigerant amount charged in the eld and
n 1 + 2 the total refrigerant charge
on the refrigerant charge label supplied with the product.
The lled out label must be adhered in the proximity of the product charging port (e.g. onto the inside of the service cover).
1 factory refrigerant charge of the product:
see unit name plate
(2)
2 additional refrigerant amount charged in the eld
3 total refrigerant charge
4 contains uorinated greenhouse gases covered by the Kyoto Protocol
5 outdoor unit
6 refrigerant cylinder and manifold for charging
(2)
In case of multiple indoor systems, only 1 label must be adhered*, mentioning the total factory refrigerant charge of all
indoor units connected in the refrigerant system.
Periodical inspections for refrigerant leaks may be required depending on European or local legislation. Please contact your
local dealer for more information.
* on the outdoor unit
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INSTALLATION DIAGRAM
Drain Piping
Front Panel
Air Filter
(behind the grille)
Air Intake Grille
Air Discharge
Air Discharge Louver
Air Intake
Air Intake
Thermal Insulation
Wrap the insulated pipe with the
nishing tape from bottom to top
Indoor Unit
Outdoor Unit
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English
Obstacle
1m or more
3m or more
Floor
0.5m or more 0.5m or more 0.5m or more
0.3m or less
Beam
990.0mm
30 mm
Indoor Unit
Ceiling
Board
NOTE
Be sure to discuss the ceiling drilling work with the installers
concerned.
Measure and mark the position for the hanging rod. Drill
the hole for the angle nut on the ceiling and x the hanging
rod.
The installation template is extended according to
temperature and humidity. Check on dimensions in use.
The dimensions of the installation template are the same as
those of the ceiling opening dimensions.
Before ceiling laminating work is completed, be sure to t
the installation template to the indoor unit.
• Con rm the pitch of the hanging rod is 770mm 622mm
sharp.
Hold the unit and hang it on the hanging rod with the nut
and washer.
• Adjust the unit height to 30 mm between the indoor unit
bottom surface and the ceiling surface.
Confirm with a level gauge that the unit is installed
horizontally and tighten the nut and bolt to prevent unit
falling and vibration.
Open the ceiling board along the outer edge of the paper
installation template.
Unit Hanging
Unit Installation
INSTALLATION OF THE INDOOR UNIT
Preliminary Site Survey
Be sure to read this manual before installing the air-conditioner indoor unit.
• Voltage supply uctuation must not exceed ±10% of rated voltage. Electricity supply lines must be independent of welding
transformers which can cause high supply uctuation.
• Ensure that the location is convenient for wiring, piping and drainage.
• Do not exert pressure on the resin parts when opening the unit or when moving it after opening.
Do not move the unit from packaging while moving, until it reaches the installation site. Use safe material or protection
plates when unpacking it or lifting it to avoid damage or scratches to the unit.
880.0~990.0mm (Ceiling Opening Site = 890mm)
770.0mm (Hanging Rod)
880.0~990.0mm (Ceiling Opening Site)
Piping Direction
622.0mm (Hanging Rod)
• Ensure a location where:
a) Drainage can be done easily.
b) Convenient for wiring and piping.
c) Which have enough space for installation and service work.
d) Where no risk of ammable gas leakage.
e) When free from any obstacles in path of cool air discharge and warm air return and must allow spreading of air throughout
the room (near the center of the room).
f) Must be provided clearance for indoor unit from the wall and obstacles as shown in gure below.
g) The installation place must be strong enough to support a load 4 times the indoor unit weight to avoid amplifying noise
and vibration.
h) The installation place (hanging ceiling surface) must be assuring levelness and the height in the ceiling is 350mm or
more.
i) The indoor unit must be away from heat and steam sources (avoid installing it near an entrance).
990.0mm
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Open
Screw
From
Unit
Control
Box
From
Front
Panel
LED Wire
Air Swing Wire
The front panel can only be tted in one direction, follow the piping direction. (Follow piping arrow sticker on front panel)
Be sure to remove the installation template before installing the front panel.
Panel Installation
Open the air intake grille by pulling back the catchers and removing it together with lter from panel.
Install the front frame panel onto the indoor unit by 4 screws and tighten it completely to prevent cool air leakage.
Connect the LED wire and air swing wire to the indoor unit.
The air swing connector must put inside the control box after connected.
NOTE
This Indoor Unit uses a drain pump for condensed water drainage. Install the unit horizontally to prevent water leakage
or condensation around the air outlet.
Indoor Unit
Pipe Clamp
Feed Water
Flexible Drain Hose
Main Drain Pipe
Drain pipe must be in downward gradient for smooth
drainage.
Avoid installing the drain pipe in up and down slope to
prevent reversed water ow.
During the drain pipe connection, be careful not to exert
extra force on the drain connector at indoor unit.
The outside diameter of the drain connection at the
exible drain hose is 20 mm.
Be sure to execute heat insulation (polyethylene foam
with thickness more than 8.0 mm) on the drain piping to
avoid the condensed water dripping inside the room.
Connect the main drain pipe to the exible drain.
Feed water from exible drain hose to check the piping
for leakage.
When the test is completed, connect the exible drain
hose to the drain connector on the indoor unit.
Drain Pump Work
Drain Test
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English
Frame
Intake Grille
Cover Lock Grille
(2pcs)
Screw M4 x 6
(2pcs)
Cover Lock Grille (The moving part protection for user direct touching)
Cover lock grill must be installed as the gure below.
If the unit need to be service, steps below shall be followed:
1. Con rm that the unit had been switched off before servicing the unit.
2. Use screwdriver to unlock the screw on the cover lock grille.
3. Remove the cover lock grille and open the intake grille for the service purpose.
4. Install the intake grille and screw the cover lock grille after service and make sure the unit is proper install.
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Figure 2 Figure 3
Figure 4 Figure 5
Wires Installation
Figure 1 and Figure 2 shows the location of cover wire in CKE unit.
Steps to install power supply wires and wires from outdoor unit.
1. Remove wire cover by removing 2 screws as shown in Figure 3.
2. Wires will go through the hole as shown in Figure 4 and 5 respectively without crossing the height of the hole.
3. After that, wire cover will be assembled back to close the wire.
Figure 1
! CAUTION
Do not install the unit at altitude over 2000m for both indoor and outdoor.
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English
The outdoor unit must be installed in such a way, so as to prevent short circuit of the hot discharged air or obstruction to
the smooth air ow. Please follow the installation clearance shown in the gures below. Select the coolest possible place
where intake air temperature is not greater than the outside air temperature.
Where a wall or other obstacles is in the path of outdoor unitʼs intake or exhaust air ow, follow the installation guidelines
below.
For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.
5SLY20/25C/CR
More than 50 More than 100
Side View
Top View
Top View
More than 50
More than 50
More than 50
More than 150
More than 100
More than 150
More than 300
Unit: mm
INSTALLATION OF THE OUTDOOR UNIT
Wall facing one side
More than 100 More than 350
More than 50
More than 50
Top View
Top View
Side View
More
than 100
More than 350
More than 100
More than 350
Unit: mm
5SLY28CR
1200
or less
More than 50
Wall facing two sides
Wall facing two sides
Wall facing one side Wall facing two sides
Wall facing three sides
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5SLY40/50FR
More than 100 More than 500
More
than 100
More
than
100
More than 100
More than 100
More than 500
Allow more space for installation above with additional obstacle at top side and installation in series.
Top View
Side View
Unit: mm
REFRIGERANT PIPING
Indoor 5CKY20E/ER 5CKY25E/ER 5CKY28ER
Outdoor 5SLY20C/CR 5SLY25C/CR 5SLY28CR
Max. allowable length, m 30 30 50
Max. allowable elevation, m 10 10 30
Liquid pipe size, mm/(in) 6.35 (1/4") 6.35 (1/4") 9.52 (3/8")
Gas pipe size, mm/(in) 12.70 (1/2") 15.88 (5/8") 15.88 (5/8")
Additional charge of refrigerant, g/m
(for piping length above 7.5m)
20 20 50
Indoor 5CKY40ER 5CKY50ER
Outdoor 5SLY40FR 5SLY50FR
Max. allowable length, m 75 75
Max. allowable elevation, m 30 30
Liquid pipe size, mm/(in) 9.52 (3/8") 9.52 (3/8")
Gas pipe size, mm/(in) 15.88 (5/8") 15.88 (5/8")
Additional charge of refrigerant, g/m
(for piping length above 30m)
50 50
Allowable Piping Length
When the pipe length becomes too long, both the capacity and reliability drop. As a result, compressor reliability will be
affected. Always choose the shortest path and follow the recommendation as tabulated below:
Wall facing one side
Wall facing more than 1 side of obstacle
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English
D
A
Piping Works And Flaring Technique
Do not use contaminated or damaged copper tubing. If any pipings, evaporator or condenser had been exposed or had been
opened for 15 seconds or more, the system must be vacuumed. Generally, do not remove plastic, rubber plugs and brass
nuts from the valves, ttings, tubings and coils until it is ready to connect suction or liquid line into valves or ttings.
If any brazing work is required, ensure that the nitrogen gas is passed through coil and joints while the brazing work is
being done. This will eliminate soot formation on the inside walls of the copper tubings.
Cut the pipe stage by stage, advancing the blade of the pipe cutter slowly. Extra force and deep cut will cause more distortion
on the pipe and thus extra burr. See Figure A.
Cutting Copper Tube
Fig. B
Fig. A
Remove Burr
Fig. C
Copper Tube
Swaging Block
Remove burrs from cut edges of the pipes with remover
as shown in Figure B. This will avoid unevenness on the
are faces which will cause gas leak. Hold the pipe on
top position and burr remover at lower position to prevent
metal chips from entering the pipe.
• Insert the are nuts, mounted on the connection parts of
both the indoor unit and outdoor unit, into the copper
pipes.
The exact length of pipe protruding from the top surface of
the swaging block is determined by the aring tool. Refer
Figure C.
Fix the pipe rmly on the swaging block. Match the centers
of both the are die and the aring punch, and then tighten
the aring punch fully.
Piping Connection To The Units
Align the center of the piping and tighten the are nut
suf ciently with ngers. Refer Figure D.
Finally, tighten the are nut with the torque wrench until
the wrench clicks.
When tightening the are nut with the torque wrench,
ensure that the tightening direction follows the arrow
indicated on the wrench.
The refrigerant pipe connection are insulated by closed
cell polyurethane.
Spanar
Torque Wrench
Indoor Piping
Flare Nut
Flared Tube
Flare Joint
Fig. D
Ø Tube, D A (mm)
Inch mm Imperial
(Wing-nut Type)
Rigid
(Clutch Type)
1/4" 6.35 1.3 0.7
3/8" 9.52 1.6 1.0
1/2" 12.70 1.9 1.3
5/8" 15.88 2.2 1.7
3/4" 19.05 2.5 2.0
Pipe Size (mm/in) Torque (Nm/ft-lb)
6.35 (1/4) 18 (13.3)
9.52 (3/8) 42 (31.0)
12.70 (1/2) 55 (40.6)
15.88 (5/8) 65 (48.0)
19.05 (3/4) 78 (57.6)
1/4t
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Power Supply Cable
Outdoor Unit
Terminal Block
Indoor Unit
Terminal Block
L
N
SIG
2
1
SIG
2
1
5CKY20/25E/ER - 5SLY20/25C/CR
IMPORTANT: *
These values are for information only, they should be checked and selected to comply with the local and/or national
codes and regulations. They are also subjected to the type of installation and size of conductors used.
**
The appropriate voltage range should be checked with the label data on the unit.
Interconnection
Cable
ELECTRICAL CONNECTION
Model Indoor 5CKY20E/ER 5CKY25E/ER
Outdoor 5SLY20C/CR 5SLY25C/CR
Voltage range** Indoor
220V - 240V /1Ph /50Hz + !
Outdoor
220V - 240V /1Ph /50Hz + !
Power supply cable size* mm
2
Number of conductors
2.5
3
2.5
3
Interconnection cable size* mm
2
Number of conductors
2.5
4
2.5
4
Recommended time delay fuse* A 20 20
5CKY28ER - 5SLY28CR
Indoor Unit
Terminal Block
L
Interconnection
Cable
Model Indoor 5CKY28ER
Outdoor 5SLY28CR
Voltage range** Indoor
220V - 240V/1Ph/50Hz + !
Outdoor
220V - 240V/1Ph/50Hz + !
Power supply cable size* mm
2
Number of conductors
2.5
3
Interconnection cable size* mm
2
Number of conductors
1.5
4
Recommended time delay fuse* A 25
Power Supply Cable
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
!
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
!
Outdoor Unit
Terminal Block
N
SIG
SIG
N
L
N
L
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1-15
English
3
2
1
3
2
1
L1
L2
L3
N
Power Supply Cable
Outdoor Unit
Terminal Block
Indoor Unit
Terminal Block
5CKY40ER - 5SLY40FR (1 Phase)
5CKY50ER - 5SLY50FR (1 Phase)
3
2
1
2
1
3
L
N
Interconnection
Cable
Model Indoor 5CKY40ER 5CKY50ER
Outdoor 5SLY40FR 5SLY50FR
Voltage range** Indoor
220V - 240V/1Ph/50Hz + !
Outdoor
220V - 240V/1Ph/50Hz + !
Power supply cable size* mm
2
Number of conductors
6
3
6
3
Interconnection cable size* mm
2
Number of conductors
1.5
4
1.5
4
Recommended time delay fuse* A 32 32
5CKY40ER - 5SLY40FR (3 Phase)
5CKY50ER - 5SLY50FR (3 Phase)
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
!
Model Indoor 5CKY40ER 5CKY50ER
Outdoor 5SLY40FR 5SLY50FR
Voltage range** Indoor
220V - 240V/1Ph/50Hz + !
Outdoor
380V - 415V/3N~/50Hz + !
Power supply cable size* mm
2
Number of conductors
4
5
4
5
Interconnection cable size* mm
2
Number of conductors
1.5
4
1.5
4
Recommended time delay fuse* A 20 20
Power Supply Cable
Indoor Unit
Terminal Block
Interconnection
Cable
Outdoor Unit
Terminal Block
There must be an all pole
disconnection in the supply
mains with a contact separation
of at least 3mm.
!
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Attach insulation sleeve
Round crimp-style terminal
Electric wire
Connect wires of the
same gauge to both side.
Do not connect wires of the
same gauge to one side.
Do not connect wires
of different gauges.
All wires must be rmly connected.
Make sure all the wire do not touch the refrigerant pipings, compressor or any moving parts.
The connecting wire between the indoor unit and the outdoor unit must be clamped by using provided cord anchorage.
The power supply cord must be equivalent to H07RN-F which is the minimum requirement.
Make sure no external pressure is applied to the terminal connectors and wires.
Make sure all the covers are properly xed to avoid any gap.
Use round crimp-style terminal for connecting wires to the power supply terminal block. Connect the wires by matching
to the indication on terminal block. (Refer to the wiring diagram attached on the unit).
Use the correct screwdriver for terminal screws tightening. Unsuitable screwdrivers can damage the screw head.
Over tightening can damage the terminal screw.
Do not connect wire of different gauge to same terminal.
Keep wiring in an orderly manner. Prevent the wiring from obstructing other parts and the terminal box cover.
R410A is a new HFC refrigerant which does not damage the
ozone layer. The working pressure of this new refrigerant is 1.6
times higher than conventional refrigerant (R22), thus proper
installation / servicing is essential.
Never use refrigerant other than R410A in an air conditioner
which designed to operate with R410A.
POE or PVE oil is used as lubricant for R410A
compressor, which is different from the mineral oil used
for R22 compressor. During installation or servicing, extra
precaution must be taken not to expose the R410A system
too long to moist air. Residual POE or PVE oil in the piping
and components can absorb moisture from the air.
To prevent mischarging, the diameter of the service port
on the are valve is different from that of R22.
Use tools and materials exclusively for refrigerant R410A.
Tools exclusively for R410A are manifold valve, charging
hose, pressure gauge, gas leak detector, are tools, torque
wrench, vacuum pump and refrigerant cylinder.
As an R410A air conditioner incurs higher pressure
than R22 units, it is essential to choose the copper pipes
correctly. Never use copper pipes thinner than 0.8mm even
though they are available in the market.
If the refrigerant gas leakage occurs during installation /
servicing, be sure to ventilate fully. If the refrigerant gas
comes into contact with re, a poisonous gas may occur.
When installing or removing an air conditioner, do not
allow air or moisture to remain in the refrigerant cycle.
SPECIAL PRECAUTIONS WHEN DEALING WITH R410A UNIT
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1-17
English
Vacuuming is necessary to eliminate all moisture and air from the system. The series II Outdoor Unit is provided with are
valve ttings.
Vacuuming The Piping And The Indoor Unit
Except for the outdoor unit which is pre-charged with
refrigerant, the indoor unit and the refrigerant connection
pipes must be air-purged because the air containing moisture
that remains in the refrigerant cycle may cause malfunction
of the compressor.
Remove the caps from the valve and the service port.
Connect the center of the charging gauge to the vacuum
pump.
Connect the charging gauge to the service port of the 3-way
valve.
Start the vacuum pump. Evacuate for approximately 30
minutes. The evacuation time varies with different vacuum
pump capacity. Con rm that the charging gauge needle has
moved towards -760mmHg.
Caution
If the gauge needle does not move to -760mmHg, be sure to
check for gas leaks (using the refrigerant detector) at are
type connection of the indoor and outdoor unit and repair
the leak before proceeding to the next step.
Close the valve of the changing gauge and stop the vacuum
pump.
On the outdoor unit, open the suction valve (3 way) and
liquid valve (2 way) (in anti-clockwise direction) with 4mm
key for hexagon sacked screw.
Charge Operation
This operation must be done by using a gas cylinder and a
precise weighing machine. The additional charge is topped-up
into the outdoor unit using the suction valve via the service
port.
Remove the service port cap.
Connect the low pressure side of the charging gauge to the
suction service port center of the cylinder tank and close
the high pressure side of the gauge. Purge the air from the
service hose.
Start the air conditioner unit.
Open the gas cylinder and low pressure charging valve.
When the required refrigerant quantity is pumped into
the unit, close the low pressure side and the gas cylinder
valve.
Disconnect the service hose from service port. Put back the
service port cap.
VACUUMING AND CHARGING
Refrigerant Piping
Outdoor Unit 3 ways valve
Allen key
Service Port
Flare nut
HIGH PRESSURE GAUGE
GAUGE MANIFOLD
LOW PRESSURE GAUGE
HANDLE HI (ALWAYS CLOSED)
CHARGE HOSE
-760mmHg
HANDLE LO
CHARGE HOSE
VACUUM PUMP
ADAPTER FOR
COUNTER FLOW
PREVENTION
CHECK VALVE
LIQUID VALVE
HIGH PRESSURE GAUGE
LOW PRESSURE GAUGE
GAUGE MANIFOLD
-760mmHg
HANDLE LO
HANDLE HI (ALWAYS CLOSED)
CHARGE HOSE
CHARGE HOSE
CHECK VALVE
LIQUID VALVE
GAS VALVE
(3-WAY)
CONFIGURATION OF AIR
PURGE BY CHARGING
CONFIGURATION OF AIR
PURGE BY CHARGING
GAS VALVE
(3-WAY)
1 EN 5CKYER-1009(1).indd 171 EN 5CKYER-1009(1).indd 17 4/21/11 9:11:22 AM4/21/11 9:11:22 AM
1-18
Sealing Material
It is possible to seal one of the four air discharge outlet. (sealing two or more air discharge outlet could cause a
malfunction)
Remove the front panel and insert the sealing material into the air discharge outlet on the indoor unit to seal the air
outlet.
The sealing material is the same length as the longer air discharge outlet. If it is desired to seal the shorter air discharge
outlet, cut the sealing material to shorten it.
Push the sealing material in about 10 mm beyond the bottom surface of the indoor unit so that it does not touch the air
louver. Be sure not to push the sealing material in any farther than about 10mm.
Short Duct Speci cation
The indoor unit is provided with air discharge and air intake “knock-out” hole for duct connection. However the connection
of the short duct for air discharge is possible on only one side.
The use of short duct for air discharge will improve air ow distribution if there is an obstruction (such as a lighting xture)
or in a long, narrow room or an L-shaped room. It also use for air conditioning of two rooms simultaneously.
Possible Opening Dimension For Duct Connection
Air Discharge Knock Out Hole
Air Intake Knock
Out Hole
Possible Direction For Air Discharge And Air Intake
Air Intake
Air DischargeAir Discharge
Air Discharge Air Discharge
10
50 50 50 50 50 10
207020
90
Ø100
PCD Ø140
115 20 115
ACCESSORY PARTS
NOTE
Avoid using the short duct on which the air discharge grille can be completely closed, to prevent evaporator
freezing.
In order to prevent condensation forming, be sure that there is suf cient thermal insulation and no leakage of cool
air when installing the short duct.
Keep the introduction of fresh air intake within 20% of total air ow. Also provide chamber and use booster fan.
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