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Midea Glory Eco MSG-xxHRN2 Manual

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INDOOR UNIT INSTALLATION
1
OUTDOOR UNIT INSTALLATION
2
Prepare the power source for exclusive with the air conditioner.
The supply voltage must comply with the rated voltage of the air conditioner:The plug socket shall be accessible
after installation.
Power Source
Model
Plug socket and Fuse rating
Wiring
50Hz 220-240V~
or
60Hz 220-230V~
7000Btu/h
9000Btu/h
10000Btu/h
2
1mm
2
1.5mm
10A
15A
Perform the wiring with sufficient capacity. Installation places legally require a short circuit isolator to be attached
to prevent electrical shock.
Do not extend the power cable code by cutting.
Power voltage should in the range of 90% 110% of rated voltage.
The plug of the air conditioner takes a grounding leg, so clients should use a grounding socket so that the air
conditioner can be grounded efficiently.
If the power cord is damaged, replacement should be conducted by qualified technician or a serviceman.
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 operation 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. The connection betw-
een bracket and wall, bracket and the air conditioner should be firm, stable and reliable.
If need suspending installation, the installation bracket should accord with technique requir-
ement in the installation bracket diagram.
Fit the seal into the drain elbow,
then insert the drain elbow into
the base pan hole of outdoor unit,
rotate 90 to securely assemble
them. Connecting the drain elbow
with an extension drain hose
(Locally purchased), in case of the
water draining off the outdoor unit
during the heating mode.
Strong
wind
NOTE: Remark per EMC Directive 89/336/EEC
For to prevent flicker impressions during the start of the compressor (technical process),
following installation conditions do apply.
1. The power connection for the air conditioner has to be done at the main power distribution.
The distribution has to be of an low impedance, normally the required impedance reaches at a 32 A fusing point.
2. No other equipment has to be connected with this power line,.
3. For detailed installation acceptance, please refer to your contract with the power supplier if
restrictions do apply for products like washing machines, air conditioner or electrical ovens.
4. For power details of the air conditioner, refer to the rating plate of the product.
5. For any question contact your local dealer.
CAUTION
1. OUTDOOR INSTALLATION PRECAUTION
2. DRAIN ELBOW INSTALLATION
4. Wiring
~
Seal
Seal
Drain elbow
Drain elbow
Base pan hole of
outdoor unit
Base pan of
outdoor unit
1. Remove the electric parts cover from the outdoor
unit.
2. Connect the connective cables to the terminals as
identified with their respective matched numbers
on the terminal block of indoor and outdoor units.
3. To prevent the ingress of water, from a loop of the
connective cable as illustrated in the installation
diagram of indoor and outdoor units.
4. Insulate unused cords (conductors) with PVC-tape.
Process them so they do not touch any electrical
or metal parts.
Wrong wiring connections may cause some electrical
parts to malfunction. A disconnection device having
an air gap contact separation in all active conductors
should be incorporated in the fixed wiring according
to the National Wiring Regulation. All wiring must
comply with local and national electrical codes and be
installed by qualified and skilled electrician.
Oblique
90 C Roughness
Burr
Cover
Screw
Cooling & heating
type
Cooling only
type
Wire connector of outdoor unit
Wire-holding
board
Connective cable
CAUTION
CAUTION
3. REFRIGERANT PIPING CONNECTION 4. WIRING CONNECTION
10mm10mm
40mm40mm
A
1. Cut a pipe with a pipe cutter. Align pipes to be connected.
Sufficiently tighten the flare nut with fingers,
and then tighten it with a spanner and torque
wrench as shown.
Excessive torque can break nut depending
on installation conditions.
2. Insert a flare nut into a pipe and flare the
pipe.
Outer diam.
(mm)
A(mm)
Max. Min.
Outer
diam. Tightening
torque(N.cm) Additional tightening
torque(N.cm)
6.35mm 1570
(160kgf.cm) 1960
(200kgf.cm)
2940
(300kgf.cm)
4410
(450kgf.cm)
12.7mm
6.35 1.3 0.7
12.7
1.8 1.0
1. Flaring 2. Tightening Connection
1
134
2(N)
AIR PURGE AND TEST OPERATION
3
When relocate the unit to another place,
perform evacuation, using vacuum pump.
Choose purge method from the table:
When Using the Vacuum Pump
(For method of using a manifold valve, refer to its operation manual.)
1. Completely tighten the flare nuts, A, B, C, D, connect the manifold
valve charge hose to a charge port of the packed valve on the gas
pipe side.
2. Connect the charge hose connection to the vacuum pump.
3. Fully open the handle Lo of the manifold valve.
4. Operate the vacuum pump to evacuate. After starting evacuation,
slightly loose the flare 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)
5. 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
5
compound meter indicates -76cmHg(-1.0x10 Pa).
6. Disconnect the charge hose from the charge connection of the
packed valve at the gas pipe side.
7. Fully open the packed valve stems B and A.
8. Securely tighten the cap of the packed valve.
Make sure no gas come out from connections
with leak detector or soap water.
A: Lo packed valve B: Hi packed valve
C and D are ends of indoor unit connection.
Connective
pipe length
Less than 5m
5 10m (Pipe length-5)x30g
Air purging
method
Use vacuum
pump
Additional amount of
refrigerant to be charged
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.
Gas pipe side ( 9.53): 2940N.cm (500kgf.cm)
Liquid pipe side ( 6.35): 1570N.cm (160kgf.cm)
CAUTION IN HANDING THE PACKED VALVE
CAUTION
1. AIR PURGE
2. GAS LEAK CHECK
3. TEST OPERATION
~
Perform test operation after completing gas leak check at the flare nut
connections and electrical safety check.
1. Connect the power, push the "COOL" button on the remote
controller to begin testing.
2. Check if all the functions works well while testing the air conditioner.
A protection feature prevents the air conditioner from being activated
for about 3 minutes when it is restarted immediately after operation
or when the power switch is turned on.
3. Be sure to set the tickle-type switch on OFF after finishing the test
operation.
Indoor unit
check point
D
B
C
A
Outdoor unit
check point
Cover
Manifold valve
Outdoor
unit
Indoor
unit
Refrigerant gas
Flare nut
Stopper
Compound meter
-76cmHg
Handle Lo Handle Hi
Charge hose Charge hose
Vacuum pump
Pressure gauge
Cap
Valve body
Packed valve
Half union
12.7mm
6.35mm
AC
D
B
Packed valve
Valve stem
Auto/cool o
Manual
switch
9.53mm
2940
(300kgf.cm) 3430
(350kgf.cm)
9.53
1.6 1.0
9.53mm
( 10000Btu/h)
( 9000Btu/h)
2(N)
2200019232 CS232-I
5. Connecting Cables
1. Indoor/Outdoor connection cable should be H07RN-F5G type.
2. Remove the panel and Screw Covers (3), remove Screws (4), then take
out the Frame.
3. Connect cables according to their marks to terminals.
4. Wrap those cables not connected with terminals with insulation tapes, so
that they will not touch any electrical components.
Note: Some models may be equipped with power cord, connecting cables
according to the terminal block with five terminals in the wiring diagram.
10mm
10mm
40mm
40mm
Cooling only
type.
Cooling & heating
type.
Code wire
Panel
Frame
Screw Cover
Use vacuum
pump
For the R407C refrigerant model, make sure
the refrigerant added into air conditioner is
liquid form in any cases.
Terminal block of indoor unit
To outdoor unit To outdoor unit
Power supply Power supply
Cord clamp
1 2(N) 3 4 1 2(N) 3 4
L L
N N
2


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