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7

*1 Nominal cooling conditions 

Note:

*2 Nominal heating conditions 

Unit converter

Indoor :  80degF D.B. / 67degF W.B.

kcal/h = kW × 860 

  (26.7degC D.B. / 19.4degC W.B.)

70degF D.B.
(21.1degC D.B.)

BTU/h = kW × 3,412 

Outdoor :  95degF D.B.

47degF D.B. / 43degF W.B.

cfm = m

3

/min × 35.31 

  (35degC D.B.)

(8.3degC D.B. / 6.1degC W.B.)

lbs = kg/0.4536

Pipe length :  25 ft. (7.6 m)

25 ft. (7.6 m)

Level difference :  0 ft. (0 m)

0 ft. (0 m)

*Above specification
data is subject to
rounding variation. 

*Due to continuing improvement, above specification may be subject to change without notice. 

Details on foundation work, duct work, insulation work, electrical wiring, power source switch, and other items
shall be referred to the Installation Manual. 

35 × 950 × 950

1-3/8 × 37-13/32 × 37-13/32

13 (6)

O.D. 1-1/4 (32)

10-3/16 × 33-3/32 × 33-3/32

258 × 840 × 840

51 (23)

PLP-40BAU

0.000 (208V)

0.000 (230V)

0

5/8 (15.88)  Flare

5/8 (15.88)  Flare

3/8 (9.52)    Flare

3/8 (9.52)    Flare

PLFY-P24NBMU-E

PLFY-P24NBMU-ER1
PLFY-P24NBMU-ER2

7.0

24,000

0.06
0.43

7.9

27,000

0.05
0.36

Turbo fan × 1 

Turbo fan × 1 

Turbo fan × 1 

0

0.050

15.0 - 16.0 - 18.0 -20.0

250 - 267 - 300 - 333

530 - 565 - 636 - 706

28 - 30 - 32 - 34 (208-230V)

PAC-SH51SP-E
PAC-SH59KF-E

PAC-SH53TM-E

35 × 950 × 950

1-3/8 × 37-13/32 × 37-13/32

13 (6)

O.D. 1-1/4 (32)

10-3/16 × 33-3/32 × 33-3/32

258 × 840 × 840

51 (23)

PLP-40BAU

0.000 (208V)

0.000 (230V)

0

5/8 (15.88)  Flare

5/8 (15.88)  Flare

3/8 (9.52)    Flare

3/8 (9.52)    Flare

PLFY-P30NBMU-E

PLFY-P30NBMU-ER1
PLFY-P30NBMU-ER2

8.8

30,000

0.07
0.51

10.0

34,000

0.06
0.43

0

0.050

16.0 - 18.0 - 20.0 - 22.0

267 - 300 - 333 - 367

565 - 636 - 706 - 777

30 - 32 - 35 - 37 (208-230V)

PAC-SH51SP-E
PAC-SH59KF-E

PAC-SH53TM-E

35 × 950 × 950

1-3/8 × 37-13/32 × 37-13/32

13 (6)

O.D. 1-1/4 (32)

11-3/4 × 33-3/32 × 33-3/32

298 × 840 × 840

60 (27)

PLP-40BAU

0.000 (208V)

0.000 (230V)

0

3/4 (19.05)  Flare

5/8 (15.88)  Flare

3/8 (9.52)    Flare

3/8 (9.52)    Flare

PLFY-P36NBMU-E

PLFY-P36NBMU-ER1
PLFY-P36NBMU-ER2

10.5

36,000

0.16
1.07

11.7

40,000

0.15
1.00

0

0.120

22.0 - 25.0 - 28.0 - 30.0

367 - 417 - 467 - 500

777 - 883 - 989 - 1,059

35 - 38 - 41 - 43 (208-230V)

PAC-SH51SP-E
PAC-SH59KF-E

PAC-SH53TM-E

Air outlet shutter plate
High efficiency filterelement 
Multi-function casement

Model

Power source
Cooling capacity 
(Nominal)

Heating capacity
(Nominal )

External finish
External dimension H × W × D

Net weight
Decoration panel

Heat exchanger
FAN

Noise level (Low-Mid2-Mid1-High)
(measured in anechoic room)

Insulation material
Air filter
Protection device
Refrigerant control device
Connectable outdoor unit
Diameter of
refrigerant pipe
(O.D.)

Field drain pipe size
Standard
attachment

Power input
Current input

Power input
Current input

Type × Quantity
External
static press.

Motor type
Motor output
Driving mechanism
Airflow rate
(Low-Mid2-
 Mid1-High)

Liquid

Gas

Document
Accessory

Optional parts

Remark

Installation

Model
External finish
Dimension
H × W × D
Net weight

kW

BTU/h

kW
A

kcal/h

Btu/h

kW
A

mm

in.

Ibs (kg)

mm

in.

Ibs (kg)

Pa

in.WG

Pa

in.WG

kW

m

3

/min

L/s

cfm

dB <A>
dB <A>
dB <A>

in. (mm)

in. (mm)

in. (mm)

*1
*1

*2

*2

(R410A)

(R22)

(R22)

(R410A)

1-phase 208-230V 60Hz

Galvanized steel sheet

MUNSELL (6.4Y 8.9/0.4)

Cross fin 

DC motor

Direct-drive

PS

PP honeycomb (long life filter, anti-bacterial type)

Fuse

LEV

 R410A, R22 CITY MULTI

Installation Manual, Instruction Book

OCH421B

Summary of Contents for PLFY-P12NBMU-E

Page 1: ...LFY P12NBMU E PLFY P12NBMU ER1 PLFY P12NBMU ER2 PLFY P15NBMU E PLFY P15NBMU ER1 PLFY P15NBMU ER2 PLFY P18NBMU E PLFY P18NBMU ER1 PLFY P18NBMU ER2 PLFY P24NBMU E PLFY P24NBMU ER1 PLFY P24NBMU ER2 PLFY...

Page 2: ...PKFY P24NBMU E PLFY P24NBMU ER1 PKFY P30NBMU E PLFY P30NBMU ER1 PKFY P36NBMU E PLFY P36NBMU ER1 INDOOR CONTROLLER BOARD I B has been changed Use the specified refrigerant only Never use any refrigera...

Page 3: ...tomatic air speed adjustment Medium 2 Medium 1 1 WIDE AIRFLOW The new wide shape vane capable of wide angle air supply provides comfort even at the corners of a room regardless of cooling and heating...

Page 4: ...et Day button Opening the cover ON OFF button Fan Speed button Filter button Enter button Test Run button Check button Clear button Airflow Up Down button Louver button Operation button To return oper...

Page 5: ...emote controller sensor is used Locked indicator Indicates that remote controller but tons have been locked Clean The Filter indicator To be displayed on when it is time to clean the filter Timer indi...

Page 6: ...217 233 388 424 459 494 27 28 29 31 208 230V PAC SH51SP E PAC SH59KF E PAC SH53TM E 1 4 6 35 Flare 1 4 6 35 Flare 1 2 12 7 Flare 1 2 12 7 Flare 1 2 12 7 Flare 1 2 12 7 Flare 1 2 12 7 Flare 5 8 15 88...

Page 7: ...300 333 367 565 636 706 777 30 32 35 37 208 230V PAC SH51SP E PAC SH59KF E PAC SH53TM E 35 950 950 1 3 8 37 13 32 37 13 32 13 6 O D 1 1 4 32 11 3 4 33 3 32 33 3 32 298 840 840 60 27 PLP 40BAU 0 000 20...

Page 8: ...2 60Hz High 60Hz Low 60Hz Middle1 60Hz 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 63 125 250 500 1k 2k 4k 8k NC 60 NC 50 NC 40 NC 20 NC 30 Octave band pressure level dB 0dB 20Pa...

Page 9: ...MU E PLFY P12NBMU ER1 PLFY P12NBMU ER2 PLFY P18NBMU E PLFY P18NBMU ER1 PLFY P18NBMU ER2 PLFY P15NBMU E PLFY P15NBMU ER1 PLFY P15NBMU ER2 PLFY P24NBMU E PLFY P24NBMU ER1 PLFY P24NBMU ER2 PLFY P30NBMU E...

Page 10: ...m 8 9ft 3 0m 9 8ft 3 3m 10 8ft High ceiling 3 5m 11 5ft 3 5m 11 5ft 3 5m 11 5ft 4 direction 3 direction 2 direction SWA SWB PLFY P12 P15 P18 P24 P30NBMU E PLFY P12 P15 P18 P24 P30NBMU ER1 PLFY P12 P15...

Page 11: ...duct hole 14 1 8 2 8 burring hole Indoor unit 5 29 32 150 cut out hole Fresh air intake hole 6 7 8 175 burring hole pitch Drain pipe Fresh air intake hole diagram Unit inch mm Refrigerant pipe 3 1 8...

Page 12: ...function casement Standard filter Multifunction casement High efficiency filter Taking air into the unit Taking air into the unit 5 4 FRESH AIR INTAKE AMOUNT STATIC PRESSURE CHARACTERISTICS 1 PLFY P12...

Page 13: ...ation switch Heating and Emegency Up Down switch Down Ceiling Cut out hole Burring hole pitch 3 1 8 3 2 8 Burring hole Detail drawing of fresh air intake hole Burring hole 14 1 8 14 2 8 Cut out hole B...

Page 14: ...ram above are terminal block connecter 6 The setting of the SW2 dip switches differs in the capacity For the detail refer to fig 1 LEGEND LED on indoor board for service 2 Use copper supply wires 2 Th...

Page 15: ...in the capacity For the detail refer to fig 1 LEGEND LED on indoor board for service CN24 SYMBOL NAME MT I SEE SENSOR MOTOR 32 F 15k 77 F 5 4k 32 F 15k 77 F 5 4k 32 F 15k 77 F 5 4k 1 9 Be sure to turn...

Page 16: ...id pipe Flare connection Gas pipe Liquid pipe PLFY P12 P15NBMU E PLFY P12 P15NBMU ER1 PLFY P12 P15NBMU ER2 12 7 1 2 6 35 1 4 PLFY P18NBMU E PLFY P18NBMU ER1 PLFY P18NBMU ER2 12 7 1 2 15 88 5 8 6 35 1...

Page 17: ...Room temperature desired temperature Thermo OFF 1 2 Anti freezing control Detected condition When the liquid pipe temp TH22 is 32 F or less in 16 minutes from compressors start up anti freezing contr...

Page 18: ...for 15 seconds In the air Detected that the float switch is OFF for 15 seconds 1 Initial setting Start at COOL mode and horizontal vane 2 Vane position Horizontal Downward A Downward B Downward C Down...

Page 19: ...ON OFF T1 83 F 83 F T1 79 F 79 F T1 75 F 75 F T1 Unconditional 9 3 7 3 5 3 3 3 10 3 Dry thermo OFF 2 Fan Note Remote controller setting is not acceptable Dry thermo Fan speed notch Excluding the follo...

Page 20: ...e water 2 2 Float switch control Float switch control judges whether the sensor is in the air or in the water by turning the float switch ON OFF In the water Detected that the float switch is ON for 1...

Page 21: ...STAND BY will be displayed during the hot adjust mode To be continued on the next page By the remote controller setting switch of 4 speeds Auto When Auto is set fan speed is changed depending on the v...

Page 22: ...the unit Thermo OFF Hot adjust Extra low mode Heat defrost mode 3 Drain pump 4 Vane control Up down vane change From the preceding page 3 1 Drain pump control The drain pump turns ON for the specifie...

Page 23: ...is submerged in the water when the float swich control judges the sensor is in the water 1 2 Float switch control Float switch control judges whether the sensor is in the air or in the water by turnin...

Page 24: ...Orange Red White Connector Normal 300 Measure the resistance between the terminals with a tester At the ambient temperature of 68 F 86 F Abnormal Open or short Red Yellow Red Blue Red Orange Red White...

Page 25: ...or lower temperature 10 1 2 Linear expansion valve 1 Operation summary of the linear expansion valve Linear expansion valve open close through stepping motor after receiving the pulse signal from the...

Page 26: ...ht while the signals are output or keeps lighting even after the signals stop Countermeasures Exchange the indoor con troller board at drive circuit failure Linear expansion valve mechanism is locked...

Page 27: ...ntroller board Wiring recovery Trouble of the indoor controller board Replace the indoor controller board Trouble of the fan motor Replace the fan motor Does the voltage repeat DC0V and DC15V Replace...

Page 28: ...Effective Not effective Heat pump Cooling only Louver Humidifier Vane Vane swing function in heating wave flow Vane horizontal angle Vane horizontal angle Sensible temperature correction Superheat se...

Page 29: ...oard Address board Initial setting Address board 3 2 1 2 3 4 SW12 10 SW11 1 SW12 SW11 SW14 SW14 Initial setting Effective timing Before power supply ON Under operation or suspension Silent 2 5m 8 2ft...

Page 30: ...door units or more are near Pair No setting is necessary Pair No setting is available with the 4 patterns Setting patters A to D Make setting for J41 J42 of indoor controller board and the Pair No of...

Page 31: ...0 6V 7 4 DC0 or DC15V Stop DC7 5V Operation 12VDC pulse CNP Drain pump output DP 1 3 208 230VAC CN2M Connect to the terminal block TB5 M NET transmission connecting wire 24 30VDC non polar CN3A Connec...

Page 32: ...NBMU E PLFY P12 15 18 24 30 36NBMU ER1 PLFY P12 15 18 24 30 36NBMU ER2 SW1 Function setting SWA Ceiling height selector SWB Discharge outlet number selector SW12 Address setting 10ths digit SW11 Addre...

Page 33: ...the filter See Figure 1 2 Remove the 2 screws from the electrical box cover 3 Disconnect the connectors CNMF White 7P for fan motor CN44 White 4P for thermistor TH22 TH23 CNP Blue 3P for drain pump C...

Page 34: ...nnector of the fan motor CNMF 8 Remove the 3 nuts and washers and rubber mounts of the fan motor 8 Removing the drain pan 1 Remove the air intake grille and the filter See Figure 1 2 Remove the 2 scre...

Page 35: ...n pump assembly fixing screw Drain pump fixing screw Float switch fixing screw 9 Removing the liquid pipe temperature thermistor TH22 and gas pipe temperature thermistor TH23 1 Remove the drain pan Se...

Page 36: ...t the heat exchanger Photo 10 Linear expansion valve Heat exchanger fixing screw Coil support Heat exchanger Piping cover cCopyright 2007 MITSUBISHI ELECTRIC CORPORATION Distributed in Apr 2012 No OCH...

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