Mitsubishi Electric Mr.Slim PEY-SM18JA-PA/VN User manual

INSTALLATION MANUAL
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit.
Air-Conditioners
PEY-SM18, 24, 30, 36, 42, 48JA-PA/VN
PEY-SM18, 24, 30, 36, 42, 48JAL-PA/VN
PEY-M18, 24, 30, 36, 42, 48JAL-PA
English
FOR INSTALLER
<ORIGINAL>
Tiếng Việt
TÀI LIỆU HƯỚNG DẪN LẮP ĐẶT
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hòa.
DÀNH CHO NGƯỜI LẮP ĐẶT
VN79D696H02.book 1 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

2
33.2
[Fig. 3.2.1] [Fig. 3.2.2] (Unit: mm)
[Fig. 3.2.3] [Fig. 3.2.4]
[Fig. 3.2.5]
Min. 300 mm
Min. 2500 mm
Min. 10 mm
A
H
AC
D
G
B
GH
I
F
700
450
475 450
Q
50~150
450
450
100~200
Min. 300 mm
P
E
A
D
(Viewed from the direction of the arrow A)
B
Min. 20 mm
Min.10 mm
H
AC
G
JB
Min. 2500 mm
P50
R
777
450
100~200
450475
70050
Min. 300 mm
E
A
I
J
F
GH
(Viewed from the direction of the arrow B)
777
S
50
50 P
700
Min. 300 mm
G H
K
F
A
I
(Viewed from the direction of the arrow B)
PEY-(S)M18
PEY-(S)M24
PEY-(S)M30, 36, 42, 48
P
900
1100
1400
R
1000
1200
1500
S
1500
1700
2000
Q
150~250
250~350
400~500
(mm)
Model
AElectric box
BCeiling
CCeiling beam
DAccess door 2 (450 mm x 450 mm)
EAccess door 1 (450 mm x 450 mm)
FMaintenance access space
GSupply air
HIntake air
IBottom of indoor unit
JAccess door 3
KAccess door 4
VN79D696H02.book 2 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

3
44.1
[Fig. 4-1]
55.1
[Fig. 5-1] [Fig. 5-2]
YX
LW
A
Z
ACenter of gravity
B
A
AUnit body
BLifting machine
C
D
C
E
D
CNuts (field supply)
DWashers (accessory)
EM10 hanging bolt (field supply)
VN79D696H02.book 3 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

4
66.1
[Fig. 6-1]
6.2
[Fig. 6-3] [Fig. 6-4] [Fig. 6-5]
[Fig. 6-6] [Fig. 6-7]
6.3
[Fig. 6-8]
[Fig. 6-9]
øB
øA
a
b
aIndoor unit
bOutdoor unit
(mm)
Model A B
PEY-(S)M18 ø12.7 ø6.35
PEY-(S)M24, 30, 36, 42, 48 ø15.88 ø9.52
ad
cb
ef
90°
d
c
b
a
b
a
aCopper tubes
bGood
cNo good
dTilted
eUneven
fBurred
aBurr
bCopper tube/pipe
cSpare reamer
dPipe cutter
aFlare nut
bCopper tube
a
b
e
b
c
d
c
A
c
b
a
defgh
i
B
aFlaring tool
bDie
cCopper tube
dFlare nut
eYoke
aSmooth all around
bInside is shining without
any scratches
cEven length all around
dToo much
eTilted
fScratch on
flared plane
gCracked
hUneven
iBad examples
øA
AFlare cutting dimensions
DFlare nut tightening torque
45° ± 2°
90° ± 0.5°
R0.4toR0.8
(mm)
D
Lock the union joint
with a wrench.
Union joint
Male side
A
B
C
D
F
G
E
M
L
E
F
L
AG
H
H
KL
J
I
J
O
O
N
N
20
20
20
20
APipe cover (small) (accessory)
BCaution:
Pull out the thermal insulation on the refrigerant piping at the
site, insert the flare nut to flare the end, and replace the insu-
lation in its original position.
Take care to ensure that condensation does not form on ex-
posed copper piping.
CLiquid end of refrigerant piping
DGas end of refrigerant piping
ESite refrigerant piping
FMain body
GPipe cover (large) (accessory)
HThermal insulation (field supply)
IPull
JFlare nut
KReturn to original position
LEnsure that there is no gap here
MPlate on main body
NBand (accessory)
OEnsure that there is no gap here. Place join upwards.
Flare nut
Female side
Tighten the flare nut
with a torque wrench.
VN79D696H02.book 4 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

5
66.5
[Fig. 6-10]
[Fig. 6-11]
A
B1
C C C
D2
E
ADownward slope 1/100 or more
BConnection dia. R1 external thread
CIndoor unit
DCollective piping
EMaximize this length to approx. 10 cm
CD
G
F
E
B
525
A
AIndoor unit
BTie band (accessory)
CBand fixing part
DInsertion margin
EDrain socket (accessory)
FDrain pipe (O.D. ø32 PVC TUBE, field supply)
GInsulating material (field supply)
VN79D696H02.book 5 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

6
77.1
[Fig. 7-1]
[Fig. 7-3]
[Fig. 7-2]
[Fig. 7-4]
88.1
[Fig. 8-1]
A
BG
F
A
D
CE
A
BG
CE
A
F
D
ADuct
BAir inlet
CAccess door
DCanvas duct
ECeiling surface
FAir outlet
GLeave distance
enough to pre-
vent short cycle
<A> In case of rear inlet
<B> In case of bottom inlet
Ⓑ
Ⓐ
AFilter
BBottom plate
B
C
BNail for the bottom inlet
CNail for the rear inlet
S1
S2
L
N
1
2
S1
S2
S3
S3
AB C
D
E
F
G
AOutdoor unit power supply
BEarth leakage breaker
CWiring circuit breaker or isolating switch
DOutdoor unit
EIndoor unit/outdoor unit connecting cords
FRemote controller
GIndoor unit
VN79D696H02.book 6 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

7
88.2
[Fig. 8-2-1]
[Fig. 8-2-3]
[Fig. 8-2-2]
[Fig. 8-2-4]
A
B
AScrew holding cover (1pc)
BCover
Ⓖ
ⒻⒾ
Ⓗ
FUse PG bushing to keep the weight of the cable and external force from being applied to
the power supply terminal connector. Use a cable tie to secure the cable.
GPower source wiring
HUse ordinary bushing
ITransmission wiring
ⒹⒹ
ⒺⒸ
CTerminal box
DKnockout hole
ERemove
Ⓚ
Ⓙ
JTerminal block for power source and indoor transmission
KTerminal block for remote controller (PEY-SM·JA only)
VN79D696H02.book 7 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

8
88.2
[Fig. 8-3]
8.3
[Fig. 8-5]
[Fig. 8-6]
12
6
5
2
4
3
7
LN
1
AIndoor terminal block
BEarth wire (green/yellow)
CIndoor/outdoor unit connecting wire 3-core
1.5 mm2or more
DOutdoor terminal block
EPower supply cord : 2.0 mm2or more
1Connecting cable
Cable 3-core 1.5 mm2, in conformity with
Design 245 IEC 57.
2Indoor terminal block
3Outdoor terminal block
4Always install an earth wire (1-core 1.5 mm2)
longer than other cables
5Remote controller cable
Wire No × size (mm2) : Cable 2C × 0.3
This wire accessory of remote controller
(wire length : 10m, non-polar. Max. 500m)
6Wired remote controller (PEY-SM·JA)
7Power supply cord
Cable 3-core 2.0 mm2or more, in conformity
with Design 245 IEC 57.
A
B
C
D
E
30
46
30
30120
83.5
AB
C
ARemote controller profile
BRequired clearances surrounding the remote controller
CInstallation pitch
[Fig. 8-4]
F
A
H
CD
E
G
I
I
H
B
I
J
H
B-1.
AFor installation in the switch box:
BFor direct installation on the wall select one of the following:
• Prepare a hole through the wall to pass the remote controller cord (in order to run the remote controller cord from
the back), then seal the hole with putty.
• Run the remote controller cord through the cut-out upper case, then seal the cut-out notch with putty similarly as
above.
B-2.
CWall
DConduit
ELock nut
FBushing
GSwitch box
HRemote controller cord
ISeal with putty
JWood screw
A
AB TB6
B
ATo the terminal block on the indoor unit
BTB6 (No polarity)
VN79D696H02.book 8 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

9
88.3
[Fig. 8-7]
[Fig. 8-8]
[Fig. 8-9]
[Fig. 8-10]
[Fig. 8-11]
1
2
C
A
B
D
1Attach the remote controller holder to the desired location using two
tapping screws.
2Place the lower end of the controller into the holder.
ARemote controller
BWall
CDisplay panel
DReceiver
• The signal can travel up to approximately 7 meters (in a straight
line) within 45 degrees to both right and left of the center line of the
receiver.
IC
OC(00)
CN90
TB1
TB4
1
2
D
C
A
B
Standard 1:1
1 Signal receiving unit wiring
2 Indoor/outdoor wiring
AOutdoor unit
BRefrigerant address
CIndoor unit
DSignal receiving unit
A
B
C
D
E
G
H
F
ASignal receiving unit external
BCenter of Switch box
CSwitch box
DInstallation pitch
E6.5 mm (1/4 inch)
F70 mm (2 - 3/4 inch)
G83.5 ± 0.4 mm (3 - 9/32 inch)
HProtrusion (pillar, etc)
A
B
C
ARemote controller wire
BHole (drill a hole on the ceiling to pass the remote controller wire.)
CSignal Receiving Unit
Ceiling cassette type, Ceiling concealed type
Indoor unit
AB
C
AFix tightly with tape.
BRemote controller wire
COrder wire
VN79D696H02.book 9 ページ ２０２２年４月２０日 水曜日 午前１０時４４分

10
88.3
[Fig. 8-12]
[Fig. 8-13]
[Fig. 8-14]
[Fig. 8-15]
[Fig. 8-16]
C
D
B
F
E
G
A
H
J
I
1When using the switch box 2When installing directly on the wall
A150 mm (5 - 15/16 inch)
BRemote controller wire
CWiring pipe
DLocknut
EBushing
FSwitch box
GSeal around here with putty
HSeal around here with putty
IRemote controller wire
JSeal around here with putty
Wall
Insert the minus screwdriver toward the
arrow pointed and wrench it to remove the
cover.
A flat screwdriver whose width of blade is
between 4 and 7mm (5/32 - 9/32inch)
must be used.
1
AB
CD
AThin-wall portion
BBottom case
CRemote controller wire
DConducting wire
A
AScrew (M4 x 30)
1When installing the lower case directly on the wall or the ceiling,
use wood screws.
1
1
2
A
1Hang the cover to the upper hooks (2 places).
2Mount the cover to the lower case
ACross-section of upper hooks
VN79D696H02.book 10 ページ ２０２２年４月２０日 水曜日 午前１０時４４分