Air-Conditioners
INDOOR UNIT
PEFY-AF1200CFM, PEFY-AF1200CFMR
INSTALLATION MANUAL |
English |
For safe and correct use, please read this installation manual thoroughly before installing the air-conditioner unit. |
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MANUEL D’INSTALLATION |
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Veuillez lire le manuel d’installation en entier avant d’installer ce climatiseur pour éviter tout accident et vous assurer |
Français |
d’une utilisation correcte. |
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3 |
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3.2 |
[Fig. 3.2.1] |
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(Unit: mm [in.]) |
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1385 (54-9/16) |
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1325 (52-3/16) (Suspension bolt pitch) |
75(3) |
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1250 (49-1/4) |
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C |
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800 (31-1/2) |
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A Access door |
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pitch) |
600 (23-5/8) |
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B Electrical parts box |
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B |
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C Air inlet |
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bolt |
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D Air outlet |
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(Suspension11/16) |
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-(4311005/16) |
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E Ceiling surface |
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1 800 mm [31-1/2 in.] or more |
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2 100 mm [3-15/16 in.] or more |
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100 (3-15/16) |
1338 (52 |
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150 (5-15/16) |
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3 20 mm [13/16 in.] or more |
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D |
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-3/16) |
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2 |
1000 (39-3/8) (Duct) |
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30 (1 |
1 |
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1325 (52-3/16) |
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3 |
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470 (18-9/16) |
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4.1 |
[Fig. 4.1.1] |
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L |
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X |
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Y |
A Center of gravity |
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A |
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5 |
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5.1 |
[Fig. 5.1.1] |
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[Fig. 5.1.2] |
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C |
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D |
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A Unit |
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C Nuts (field supplied) |
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B Lifting machine |
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D Washers (accessory) |
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E M10 hanging bolt (field supplied) |
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B |
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D |
C
E
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6.2 |
[Fig. 6.2.1] |
<PEFY-AF1200CFM> |
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604(23-13/16) |
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524(20-11/16) |
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D C |
E |
60(2-3/8) |
35(1-7/16) |
170(6-3/4)
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96(3-13/16) |
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AB |
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40(1-5/8) |
395(15-9/16) |
155(6-1/8) |
350(13-13/16)
AGas refrigerant piping brazing connection: ø22.2 (7/8)
BLiquid refrigerant piping brazing connection: ø9.52 (3/8)
CDrain pipe (O.D. ø32 [1-1/4], primary draining)
DDrain pipe (O.D. ø32 [1-1/4], secondary draining)
E Drain pipe (O.D. ø32 [1-1/4])
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<PEFY-AF1200CFMR> |
(Unit: mm [in.]) |
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170(6-3/4) 95(3-3/4) |
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339(13-3/8) |
96(3-13/16) |
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524(20-11/16) |
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FDC |
EG |
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40(1-5/8) |
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155(6-1/8) |
3/8)-60(2 |
7/16)-35(1 |
9/16)-395(15 |
A B |
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170(6-3/4)
350(13-13/16)
AGas refrigerant piping brazing connection of main coil: ø22.2 (7/8)
BLiquid refrigerant piping brazing connection of main coil: ø9.52 (3/8)
CGas refrigerant piping brazing connection of reheat coil: ø22.2 (7/8)
DLiquid refrigerant piping brazing connection of reheat coil: ø9.52 (3/8)
EDrain pipe (O.D. ø32 [1-1/4], primary draining)
FDrain pipe (O.D. ø32 [1-1/4], secondary draining)
G Drain pipe (O.D. ø32 [1-1/4])
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7 |
7.1 |
[Fig. 7.1.1]
A Cut
B Remove brazed cap
[Fig. 7.1.3]
A B C 
F G
H
J
A
I
D E L
K
A Insulation
BRemove insulation
C Wrap with damp cloth |
N |
F |
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M |
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D |
Return to original position |
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E |
Ensure that there is no gap |
O |
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20 |
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J |
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20 |
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O |
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K |
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20 |
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20 |
N |
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[Fig. 7.1.2]
A
A Wrap with a damp cloth to cool
FInsulation pipe (small) (accessory)
GCaution:
Pull out the insulation on the refrigerant piping at the site, braze the piping, and replace the insulation in its original position.
Take care to ensure that condensation does not form on exposed copper piping.
HLiquid refrigerant piping
IGas refrigerant piping
JMain body
KInsulation pipe (large) (accessory)
LSite refrigerant piping
MEnsure that there are no gaps between the insulation and the body.
NTie (long) (accessory)
OEnsure that there is no gap here. Joint should face up.
[Fig. 7.1.4] |
[Fig. 7.1.5] |
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[PEFY-AF1200CFMR] |
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A |
120mm [4-3/4in.] |
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A |
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B |
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E |
E E |
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F |
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C |
D |
B |
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AOutdoor unit (PURY-P120THMU (-BS), PURY-P120YHMU (-BS))
BBC controller
CIndoor unit (Main heat-exchanger)
DIndoor unit (Re-heating heat-exchanger)
ETwinning pipe (CMY-R160-J:optional)
FTwinning pipe (field supplied)
AGas pipe: ø19.05 mm [3/4 in.] Liquid pipe: ø9.52 mm [3/8 in.]
BGas pipe: ø22.2 mm [7/8 in.] Liquid pipe: ø9.52 mm [3/8 in.]
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7.2 |
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[Fig. 7.2.1] |
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Max. 20m [65 ft] |
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1.5-2 m [5 to 7 ft] |
Max. 300 mm [11-13/16 in.] |
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Correct piping |
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C |
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Wrong piping |
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A Insulation (9 mm [3/8 in.] or more) |
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N |
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B |
B Decline (1/100 or more) |
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C Support metal |
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B |
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A |
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K Air release tube |
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F |
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L Trap |
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K |
L |
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M Odor trap |
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O |
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Drain pipe system |
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D O. D. ø32 mm [1-1/4 in.] PVC TUBE |
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E Make it as large as possible. About 10 cm [3-15/16 in.]. |
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B |
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M |
F Indoor unit |
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G Make the piping size large for drain pipe system. |
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D |
E |
D |
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D |
H Decline (1/100 or more) |
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I O. D. ø38 mm [1-1/2 in.] PVC TUBE for drain pipe system. |
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F |
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F |
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F |
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(9 mm [3/8 in.] or more insulation) |
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J Up to 550 mm [21-21/32 in.] |
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G |
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N Drain hose (accessory) |
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H |
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O Horizontal or slightly upgradient |
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[Fig. 7.2.2]
(Unit: mm [in.])
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J |
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F |
G |
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A |
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B |
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25 [1] H |
C |
[1-13/32] 25 [1] |
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D E |
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E |
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I
AIndoor unit
BInsulation (long) (accessory)
CTie (long) (accessory)
DVisible part
EInsertion margin
FDrain hose (accessory)
GDrain pipe (O.D. ø32 mm [1-1/4 in.] PVC, field supplied)
HInsulation (field supplied)
ITie (short) (accessory)
JMax.180 ± 5 mm [7-3/32 ± 7/32 in.]
KThe joint of the insulation must be positioned up.
[Fig. 7.2.3]
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(Unit: mm [in.]) |
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I |
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B |
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G |
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5 |
25 [1] |
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[7/32] |
H |
DE
C
AIndoor unit
BInsulation (short) (accessory)
CTie (short) (accessory)
DAttaching the band
EInsertion margin
FDrain hose (accessory)
GDrain pipe (O.D. ø32 mm [1-1/4 in.] PVC, field supplied)
HInsulation (field supplied)
IMax.145 ± 5 mm [5-23/32 ± 7/32 in.]
7.3
[Fig. 7.3.1] |
[Fig. 7.3.2] |
A
B E
C
F
D
AInsert pump's end 2 to 4 cm [13/16 to 1-19/32 in.].
BRemove the water supply port.
CAbout 2 L
DWater
EFilling port
FScrew
SWE
<Indoor controller board>
4
8
[Fig. 8.0.1]
E |
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A Air inlet |
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B Air outlet |
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C Access door |
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D Ceiling surface |
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E Canvas duct |
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C |
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F Air filter |
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B |
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A |
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9.1 |
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[Fig. 9.1.1] |
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A B D E
C
ASwitch 16 A
BOvercurrent protection 16 A
CIndoor unit
DTotal operating current be less than 16 A
EPull box
[Fig. 9.1.2] |
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[PEFY-AF1200CFM] |
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T(S)HMU: 3~208–230V |
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B |
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A |
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C |
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Y(S)HMU: 3~460V |
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L1, L2, L3 |
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Ground |
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~208–230V |
B |
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L1, L2 |
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[Fig. 9.1.3] |
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[PEFY-AF1200CFMR] |
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T(S)HMU: 3~208-230V |
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C |
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Y(S)HMU: 3~460V |
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L1 , L2, L3 |
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Ground |
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~208–230V |
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L1, L2 |
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Ground |
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ASwitch (Breakers for wiring and current leak)
BBreakers for current leak
COutdoor unit
DIndoor unit
ASwitch (Breakers for wiring and current leak)
BBreakers for current leak
COutdoor unit
DPull box
EIndoor unit
FBC controller
9.2
[Fig. 9.2.1] |
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[Fig. 9.2.2] |
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B |
A |
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B |
A |
M1M2 |
M1M2 S |
1 |
2 |
M1M2 |
M1M2 S |
TB3 |
TB5 |
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TB15 |
TB3 |
TB5 |
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C |
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C |
[Fig. 9.2.3] |
[Fig. 9.2.4] |
B |
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2 |
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1 |
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S |
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1 |
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M2 |
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S |
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M2 |
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M1 |
A |
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M1 |
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DC10~13V |
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G |
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C |
G |
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DC24~30V |
L2 |
A B |
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C |
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L1 |
L1 |
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1 |
2 |
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1 2 |
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(A,B)
ATerminal block for indoor transmission cable
BTerminal block for outdoor transmission cable
CRemote controller
ANon-polarized
BTB15
CRemote Controller
DTB5
5
9.3
[Fig. 9.3.1] |
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[Fig. 9.3.2] |
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A |
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B |
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A |
A Screw (2pcs) |
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C |
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B Cover |
B |
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[Fig. 9.3.3] |
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ATerminal block box
BKnockout hole
CRemove
G
I
A C H
E F 
D
C
B
AUse conduit to keep the weight of the cable and external force from being applied to the power supply terminal connector.
BPower source wiring
CConduit
DTerminal block box
EKnockout hole (for power source wiring)
FWasher (accessory)
GTensile force
HUse ordinary bushing
ITransmission wiring
[Fig. 9.3.4]
A B C
APower source terminal block
BTransmission terminal block to outdoor unit
CTransmission terminal block to remote controller
[Fig. 9.3.5]
M1 M2 S |
A |
|
B
D
E
C
ATerminal block
BRound terminal
CShield wire
DThe ground wire from two cables are connected together to the S terminal. (Dead-end connection)
EInsulation tape (To keep the ground wire of the shielded cable from coming in contact with the transmission terminal)
9.5
[Fig. 9.5.1] |
[Fig. 9.5.2] |
D |
B |
A |
|
|
|
C |
|
|
B |
|
|
A |
|
|
<Indoor controller board> |
|
|
ASW11: Swich (1s digit address set)
BSW12: Swich (10ths digit address set)
CSW14: Swich (connection no. set)
DSWE: Conector (emergency operation)
AIndoor controller board (main)
BIndoor controller board (reheat)
6
Contents
1. |
Safety precautions ...................................................................................... |
7 |
|
|
1.1. |
Before installation and electric work .......................................... |
7 |
|
1.2. |
Precautions for devices that use R410A refrigerant .................. |
7 |
|
1.3. |
Before getting installed .............................................................. |
8 |
|
1.4. |
Before installation (moved) - electrical work .............................. |
8 |
|
1.5. |
Before starting the test run ........................................................ |
8 |
2. |
Indoor unit accessories ............................................................................... |
8 |
|
3. |
Selecting an installation site ....................................................................... |
9 |
|
|
3.1. |
Install the indoor unit on a ceiling strong enough to sustain |
|
|
|
its weight ................................................................................... |
9 |
|
3.2. |
Securing installation and service space .................................... |
9 |
|
3.3. |
Connecting indoor units with outdoor units ............................... |
9 |
4. |
Fixing hanging bolts .................................................................................... |
9 |
|
|
4.1 |
Fixing hanging bolts .................................................................. |
9 |
5. |
Installing the unit ......................................................................................... |
9 |
|
|
5.1. |
Hanging the unit body ............................................................... |
9 |
|
5.2. |
Confirming the unit’s position and fixing hanging bolts ............. |
9 |
6. |
Refrigerant pipe and drain pipe specifications .......................................... |
10 |
|
|
6.1. Refrigerant pipe and drain pipe specifications ........................ |
10 |
|
|
6.2. Refrigerant pipe, drain pipe ..................................................... |
10 |
|
7. |
Connecting refrigerant pipes and drain pipes ........................................... |
10 |
|
|
7.1. |
Refrigerant piping work ........................................................... |
10 |
|
7.2. |
Drain piping work ..................................................................... |
11 |
|
7.3. |
Confirming drain discharge ..................................................... |
11 |
8. |
Duct work |
.................................................................................................. |
11 |
9. |
Electrical wiring ......................................................................................... |
12 |
|
|
9.1. ................................................................. |
Power supply wiring |
12 |
|
9.2. Connecting remote controller, indoor and outdoor |
|
|
|
................................................................. |
transmission cables |
13 |
|
9.3. ........................................... |
Connecting electrical connections |
13 |
|
9.4. ....................................................... |
External I/O specifications |
14 |
|
9.5. .....................................Selecting the external static pressure |
14 |
|
|
9.6. .................................................................... |
Setting addresses |
14 |
|
9.7. ............................................. |
Setting a dew point temperature |
14 |
1. Safety precautions
1.1. Before installation and electric work
sBefore installing the unit, make sure you read all the “Safety precautions”.
sThe “Safety precautions” provide very important points regarding safety. Make sure you follow them.
Symbols used in the text
Warning:
Describes precautions that should be observed to prevent danger of injury or death to the user.
Caution:
Describes precautions that should be observed to prevent damage to the unit.
Symbols used in the illustrations
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Indicates that caution should be taken with rotating parts. (This symbol is displayed on the main unit label.) <Color: Yellow>
: Beware of electric shock. (This symbol is displayed on the main unit label.) <Color: Yellow>
Warning:
Carefully read the labels affixed to the main unit.
Warning:
•Ask the dealer or an authorized technician to install the air conditioner.
-Improper installation by the user may result in water leakage, electric shock, or fire.
•Install the air unit at a place that can withstand its weight.
-Inadequate strength may cause the unit to fall down, resulting in injuries.
•Use the specified cables for wiring. Make the connections securely so that the outside force of the cable is not applied to the terminals.
-Inadequate connection and fastening may generate heat and cause a fire.
•Prepare for typhoons and other strong winds and earthquakes and install the unit at the specified place.
-Improper installation may cause the unit to topple and result in injury.
•Always use an air cleaner, humidifier, electric heater, and other accessories specified by Mitsubishi Electric.
-Ask an authorized technician to install the accessories. Improper installation by the user may result in water leakage, electric shock, or fire.
•Never repair the unit. If the air conditioner must be repaired, consult the dealer.
-If the unit is repaired improperly, water leakage, electric shock, or fire may result.
•Do not touch the heat exchanger fins.
-Improper handling may result in injury.
•When handling this product, always wear protective equipment.
EG: Gloves, full arm protection namely boiler suit, and safety glasses.
-Improper handling may result in injury.
•If refrigerant gas leaks during installation work, ventilate the room.
-If the refrigerant gas comes into contact with a flame, poisonous gases will be released.
•Install the air conditioner according to this Installation Manual.
-If the unit is installed improperly, water leakage, electric shock, or fire may result.
•Have all electric work done by a licensed electrician according to “Electric Facility Engineering Standard” and “Interior Wire Regulations”and the instructions given in this manual and always use a special circuit.
-If the power source capacity is inadequate or electric work is performed improperly, electric shock and fire may result.
•Keep the electric parts away from water (washing water etc.).
-It might result in electric shock, catching fire or smoke.
•Securely install the outdoor unit terminal cover (panel).
-If the terminal cover (panel) is not installed properly, dust or water may enter the outdoor unit and fire or electric shock may result.
•When installing and moving the air conditioner to another site, do not charge it with a refrigerant different from the refrigerant specified on the unit.
-If a different refrigerant or air is mixed with the original refrigerant, the refrigerant cycle may malfunction and the unit may be damaged.
•If the air conditioner is installed in a small room, measures must be taken to prevent the refrigerant concentration from exceeding the safety limit even if the refrigerant should leak.
-Consult the dealer regarding the appropriate measures to prevent the safety limit from being exceeded. Should the refrigerant leak and cause the safety limit to be exceeded, hazards due to lack of oxygen in the room could result.
•When moving and reinstalling the air conditioner, consult the dealer or an authorized technician.
-If the air conditioner is installed improperly, water leakage, electric shock, or fire may result.
•After completing installation work, make sure that refrigerant gas is not leaking.
-If the refrigerant gas leaks and is exposed to a fan heater, stove, oven, or other heat source, it may generate noxious gases.
•Do not reconstruct or change the settings of the protection devices.
-If the pressure switch, thermal switch, or other protection device is shorted and operated forcibly, or parts other than those specified by Mitsubishi Electric are used, fire or explosion may result.
•To dispose of this product, consult your dealer.
•Do not use a leak detection additive.
•When installing or relocating the unit, check that no substance other than the specific refrigerant (R410A) is present in the refrigerant circuit.
-Infiltration of other substance may cause the pressure to rise abnormally high and poses a risk of pipe bursting and explosion.
1.2.Precautions for devices that use R410A refrigerant
Caution:
•Do not use the existing refrigerant piping.
-The old refrigerant and refrigerator oil in the existing piping contains a large amount of chlorine which may cause the refrigerator oil of the new unit to deteriorate.
7
•Use refrigerant piping made of C1220 (Cu-DHP) phosphorus deoxidized copper as specified in the JIS H3300 “Copper and copper alloy seamless pipes and tubes”. In addition, be sure that the inner and outer surfaces of the pipes are clean and free of hazardous sulphur, oxides, dust/dirt, shaving particles, oils, moisture, or any other contaminant.
-Contaminants on the inside of the refrigerant piping may cause the refrigerant residual oil to deteriorate.
•Store the piping to be used during installation indoors and keep both ends of the piping sealed until just before brazing. (Store elbows and other joints in a plastic bag.)
-If dust, dirt, or water enters the refrigerant cycle, deterioration of the oil and compressor trouble may result.
•Use ester oil, ether oil or alkylbenzene (small amount) as the refrigerator oil to coat flares and flange connections.
-The refrigerator oil will degrade if it is mixed with a large amount of mineral oil.
•Use liquid refrigerant to fill the system.
-If gas refrigerant is used to seal the system, the composition of the refrigerant in the cylinder will change and performance may drop.
•Do not use a refrigerant other than R410A.
-If another refrigerant is used, the chlorine in the refrigerant and the refrigerant oil in the existing piping may cause the refrigerator oil to deteriorate.
•Use a vacuum pump with a reverse flow check valve.
-The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerator oil to deteriorate.
•Do not use the following tools that are used with conventional refrigerants.
(Gauge manifold, charge hose, gas leak detector, reverse flow check valve, refrigerant charge base, vacuum gauge, refrigerant recovery equipment)
-If the conventional refrigerant and refrigerator oil are mixed in the R410A, the refrigerant may deteriorated.
-If water is mixed in the R410A, the refrigerator oil may deteriorate.
-Since R410A does not contain any chlorine, gas leak detectors for conventional refrigerants will not react to it.
•Do not use a charging cylinder.
-Using a charging cylinder may cause the refrigerant to deteriorate.
•Be especially careful when managing the tools.
-If dust, dirt, or water gets in the refrigerant cycle, the refrigerant may deteriorate.
1.3. Before getting installed
Caution:
•Do not install the unit where combustible gas may leak.
-If the gas leaks and accumulates around the unit, an explosion may result.
•Do not use the air conditioner where food, pets, plants, precision instruments, or artwork are kept.
-The quality of the food, etc. may deteriorate.
•Do not use the air conditioner in special environments.
-Oil, steam, sulfuric smoke, etc. can significantly reduce the performance of the air conditioner or damage its parts.
•When installing the unit in a hospital, communication station, or similar place, provide sufficient protection against noise.
-The inverter equipment, private power generator, high-frequency medical equipment, or radio communication equipment may cause the air conditioner to operate erroneously, or fail to operate. On the other hand, the air conditioner may affect such equipment by creating noise that disturbs medical treatment or image broadcasting.
•Do not install the unit on a structure that may cause leakage.
-When the room humidity exceeds 80 % or when the drain pipe is clogged, condensation may drip from the indoor unit. Perform collective drainage work together with the outdoor unit, as required.
•The indoor models should be installed more than 2.5 m [9 ft] from floor.
1.4.Before installation (moved) - electrical work
Caution:
•Ground the unit.
-Do not connect the ground wire to gas or water pipes, lightning rods, or telephone ground lines. Improper grounding may result in electric shock.
•Install the power cable so that tension is not applied to the cable.
-Tension may cause the cable to break and generate heat and cause a fire.
•Install a leak circuit breaker, as required.
-If a leak circuit breaker is not installed, electric shock may result.
•Use power line cables of sufficient current carrying capacity and rating.
-Cables that are too small may leak, generate heat, and cause a fire.
•Use only a circuit breaker and fuse of the specified capacity.
-A fuse or circuit breaker of a larger capacity or a steel or copper wire may result in a general unit failure or fire.
•Do not wash the air conditioner units.
-Washing them may cause an electric shock.
•Be careful that the installation base is not damaged by long use.
-If the damage is left uncorrected, the unit may fall and cause personal injury or property damage.
•Install the drain piping according to this Installation Manual to ensure proper drainage. Wrap thermal insulation around the pipes to prevent condensation.
-Improper drain piping may cause water leakage and damage to furniture and other possessions.
•Be very careful about product transportation.
-One person should not carry the product if it weighs more than 20 kg [45 LBS].
-Some products use polypropylene bands for packaging. Do not use any polypropylene bands for a means of transportation. It is dangerous.
-Do not touch the heat exchanger fins. Doing so may cut your fingers.
-When transporting the outdoor unit, suspend it at the specified positions on the unit base. Also support the outdoor unit at four points so that it cannot slip sideways.
•Safely dispose of the packing materials.
-Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries.
-Tear apart and throw away plastic packaging bags so that children will not play with them. If children play with a plastic bag which was not torn apart, they face the risk of suffocation.
1.5. Before starting the test run
Caution:
•Turn on the power at least 12 hours before starting operation.
-Starting operation immediately after turning on the main power switch can result in severe damage to internal parts. Keep the power switch turned on during the operational season.
•Do not touch the switches with wet fingers.
-Touching a switch with wet fingers can cause electric shock.
•Do not touch the refrigerant pipes during and immediately after operation.
-During and immediately after operation, the refrigerant pipes may be hot and may be cold, depending on the condition of the refrigerant flowing through the refrigerant piping, compressor, and other refrigerant cycle parts. Your hands may suffer burns or frostbite if you touch the refrigerant pipes.
•Do not operate the air conditioner with the panels and guards removed.
-Rotating, hot, or high-voltage parts can cause injuries.
•Do not turn off the power immediately after stopping operation.
-Always wait at least five minutes before turning off the power. Otherwise, water leakage and trouble may occur.
2. Indoor unit accessories
The unit is provided with the following accessories:
Part No. |
Accessories |
CFM |
CFMR |
|
1 |
Installation manual |
1 |
1 |
|
2 |
Operation manual |
1 |
1 |
|
3 |
Washer (for hanging) |
8 |
8 |
|
4 |
Connector assy (for external static pressure switch) |
1 |
1 |
|
[Red: middle pressure] |
||||
|
|
|
||
5 |
Connector assy (for external static pressure switch) |
1 |
1 |
|
[Blue: low pressure] |
||||
|
|
|
||
6 |
Pipe cover (for refrigerant piping joint) |
1 |
2 |
|
120 mm [3/4 in.] Small diameter |
||||
|
|
|
||
7 |
Pipe cover (for refrigerant piping joint) |
1 |
2 |
|
120 mm [3/4 in.] Large diameter |
||||
|
|
|
Part No. |
Accessories |
CFM |
CFMR |
|
|
|
|
8 |
Tie (short) |
2 |
2 |
|
|
|
|
9 |
Tie (long) |
5 |
9 |
10 |
Drain hose |
1 |
1 |
|
|
|
|
11 |
Pipe cover (for drain hose) 60 mm [3/8 in.] |
1 |
1 |
|
|
|
|
12 |
Pipe cover (for drain hose) 25 mm [1 in.] |
1 |
1 |
13 |
Washer (for power source wiring) |
1 |
1 |
14 |
Reducer 19.05 - 22.2 mm [3/4-7/8 in.] (for gas pipe) |
1 |
|
15 |
Reducer 9.52 - 12.7 mm [3/8-1/2 in.] (for liquid pipe) |
1 |
|
8
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