Mitsubishi Electric PFD-P250VM-E Manual de usuario

CONTENTS

1. Specifications

1-1 Main Features

1-2

List of Possible Combinations of Indoor and Outdoor Units

1-3 Unit Specifications

2. Capacity Curves

2-1 Cooling Capacity

2-2 Cooling Input

2-3 SHF Curves

2-4 Correction by refrigerant piping length

2-5 Operation limit

3. Sound Levels

3-1 Noise Level

3-2 NC Curves

3-3 Fan Characteristics Curves

4. External Dimensions

5. Electrical Wiring Diagrams

6. Refrigerant Circuit Diagram And Thermal Sensor

7. System Design

7-1 Refrigerant Piping System

7-2 Control Wiring

7-3 Types of switch settings and setting methods

7-4 Sample System Connection

7-5 External input/output specifications

8. Air Conditioning the Computer Room

8-1 Main Features of the Floor-Duct Air Conditioners

8-2 Features of air-conditioner for computer room

8-3

Step-by-Step Plan for the Implementation of the Air-Conditioning

8-4

Conditions for the Installation of Computer-Room Air Conditioners

8-5 Setting the Air conditioners

8-6 Automatic Control of the Computer Room

9. Maintenance/Inspection

9-1 Maintenance/Inspection Schedule

Close control PUHY-P-YGM-A

PFD-P-VM-E

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1. Specifications

1-1.Main Features

(1) List of Models

<10HP System>

<20HP System>

Single refrigerant circuit

PUHY-P250YGM-A

PUHY-P500YGM-A

10HP(Down flow): PFD-P250VM-E

20HP(Down flow): PFD-P500VM-E

✻PFD-type indoor units cannot be connected to outdoor units other than the ones specified above.

✻It is necessary to rewrite the S/W on the control circuit board of the outdoor unit connected to

the PFD-type indoor units.

✻PFD-type indoor units and other types of indoor units cannot coexist in the same refrigerant system.

✻It is necessary to change pulley and V-belt when using it by the power supply frequency 60Hz.

When using a PFD-P500VM-E as an indoor unit, connect an outdoor unit PUHY-P500YGM-A to

each indoor unit and operate with a built-in remote control for the indoor unit.

✻1: Bold line indicates refrigerant piping (gas/liquid).This system consists of single refrigerant circuit.

✻2: Indicates TB3-type transmission line that connects the indoor and outdoor units.

This system consists of single refrigerant circuit.

✻3: Indicates TB7-Type transmission line that allows the unit to communicate with the controller.

When using a PFD-P250VM-E as an indoor unit, connect an outdoor unit PUHY-P250YGM-A to

each indoor unit and operate with a built-in remote control for the indoor unit.

✻1: Bold line indicates refrigerant piping (gas/liquid).This system consists of single refrigerant circuit.

✻2: Indicates TB3-type transmission line that connects the indoor and outdoor units.

This system consists of single refrigerant circuit.

✻3: Indicates TB7-Type transmission line that allows the unit to communicate with the controller.

} Outdoor Unit

} Indoor Unit

Outdoor Unit

G-50A PUHY-P250YGM-A

Indoor Unit

PFD-P250VM-E

TB7 TB3 ✻2✻3

✻1

12V DC

M-NET

PAC-SC50KUA

POWERRATING

MODEL

WEIGHT

SERIALNo. 2.11kg

POWERSUPPLYUNIT

MITSUBISHIELECTRICCORPORATION

PAC-SC50KUA

Outdoor Unit Indoor Unit

TB7 TB3 ✻2

✻1

PUHY-P500YGM-A PFD-P500VM-E

G-50A

12V DC

M-NET

PAC-SC50KUA

POWERRATING

MODEL

WEIGHT

SERIALNo. 2.11kg

POWERSUPPLYUNIT

MITSUBISHIELECTRICCORPORATION

PAC-SC50KUA

1-2. List of Possible Combinations of Indoor and Outdoor Units

✻1: Refer to the following pages for detailed specifications of each unit.

✻2:They were measured at operation under the following conditions:

<Cooling> Indoor:27˚CDB/19˚CWB Outdoor:35˚CDB

<Heating> Indoor:20˚CDB Outdoor: 7˚CDB/6˚CWB

Pipe length:7.5m, Height difference:0m

Model Name Indoor unit

Outdoor unit

Cooling Heating

System capacity kW 28.0 31.5

System Power input kW 9.3 9.1

System current A 16.7/15.9/15.4 16.4/15.5/15.1

10HP system

PFD-P250VM-E

PUHY-P250YGM-A

Cooling Heating

56.0 63.0

18.6 18.2

32.3/30.8/29.7 31.7/30.0/29.1

20HP system

PFD-P500VM-E

PUHY-P250YGM-A x 2

or PUHY-P500YGM-A

When using a PFD-P500VM-E as an indoor unit, connect 2 PUHY-P250YGM-A outdoor units to

each indoor unit and operate with a built-in remote control for the indoor unit.

At factory shipment, this model of indoor unit is designed and set to accommodate a single refriger-

ant circuit.

Connection of two refrigerant circuits to the indoor unit requires setting change and pipe work.

✻1: Bold line indicates refrigerant piping (gas/liquid).This system consists of two refrigerant circuits.

✻2: Indicates TB3-type transmission line that connects the indoor and outdoor units.

This system consists of two refrigerant circuits.

✻3: Indicates TB7-type transmission line that allows the unit to communicate with the controller.

Outdoor Unit

PUHY-P250YGM-A

Indoor Unit

PFD-P500VM-E

TB7 TB3 ✻2

✻1

TB3

PUHY-P250YGM-A

TB7

✻3

G-50A

12V DC

M-NET

PAC-SC50KUA

POWERRATING

MODEL

WEIGHT

SERIALNo. 2.11kg

POWERSUPPLYUNIT

MITSUBISHIELECTRICCORPORATION

PAC-SC50KUA

Two refrigerant circuits

(2) Indoor Unit

1-3. Unit Specifications

28.0 31.5

3N ~ 380/400/415V 50/60Hz

Capacity

Model name

Power source ✻1

✻2

m3/min

dB(A)

Power input

Current

Fan Airflow rate

Type ✕Quantity

Motor output

Type

Motor output

Crankcase heater

Compressor

Refrigerant / Lubricant

External finish

High pressure protection

Inverter

Compressor

Fan

External dimension HxWxD

Protection

devices

Refrigerant

piping diameter High press. pipe

Low press. pipe

Noise level

Net weight

1,840 x 990 x 840

Propeller fan x 1

200

0.38 Hermetic

6.7

0.045 x 1

R410A/MEL32

Heat exchanger Salt resistant fin

Over current protection / Thermal protection

ø9.52 Flare (ø12.7 for over 90m)

ø22.2 Brazed

Pre-coated galvanized sheets (+ powder coating for -BS type) <MUNSEL 5Y 8/1 or similar>

4.15MPa

233

6.66.8 11.1/10.5/10.211.4/10.9/10.5

PUHY-P250YGM-A (-BS)

connected with PFD series PUHY-P500YGM-A (-BS)

connected with PFD series

Over current protection / Over heat protection

Thermal switch

57/57

56.0 63.0

Cooling Heating Cooling Heating

1,840 x 1,990 x 840

Propeller fan x 2

400

0.38 x 2

8.2+5.3

0.045 x 2

ø15.88 Flare

ø28.58 Brazed

455

13.6 13.2

22.2/21.0/20.422.8/21.8/21.0

60/61

Note: *1. Cooling/Heating capacity indicates the maximum value at operation under the following condition.

*2. It is measured in anechoic room.

** Installation/foundation work, electrical connection work, duct work, insulation work, power source switch,

and other items shall be referred to the Installation Manual.

Indoor : 27˚CDB / 19˚CWB

Indoor : 20˚CDB

Pipe length : 7.5m

Outdoor :

Height difference : 0m

35˚CDB

7˚CDB/ 6˚CWB

3N~380/400/415V(50Hz), 400/415V(60Hz)

PFD-P500VM-E

5.0

Power source kW

Power input

System capacity

m3/min

dB(A)

Current

Heat exchanger

Fan

Refrigerant

External finish

Type x Quantity

Airflow rate

External static pressure

Motor Output

Air filter

Refrigerant

piping diameter

✻2

Refrigerant piping allowable length

Gas pipe

Liquid pipe

Cross fin (Aluminum plate fin and copper tube)

Sirocco fan x 2Sirocco fan x 1

ø 9.52 Brazed (ø 12.7 for over 90m)

ø 22.2 Brazed

Single refrigerant

circuit

Two refrigerant

circuit

320

1,950 x 1,380 x 780

9.5/9.0/8.7

PFD-P250VM-E

2.5

kW 28.0 31.5 56.0 63.0

5.3/5.0/4.9

160 120120 4.42.2

380

150

Gas pipe

Liquid pipe ø 15.88 Brazed

ø 28.58 Brazed

Gas pipe

Liquid pipe ø 9.52 Brazed (ø 12.7 for over 90m)

ø 22.2 Brazed

520

150

R410A

Galvanized steel plate (with polyester coating)

PP Honeycomb fabric (washable)

Thermal switch 1,950 x 1,980 x 780

Protection devices (Fan)

External dimensions

HxWxD

Model name

Noise level

Net weight

Cooling Heating ✻1✻1Cooling Heating

Note: *1. Heating can be used only by the indoor warming-up.

*2. At factory shipment, this model of indoor unit is designed and set to accommodate a single refrigerant circuit.

Connection of two refrigerant circuits to the indoor unit requires setting change and pipe work.

** Installation/foundation work, electric connection work, duct work, insulation work, power source switch and other items are

not specified in the specifications.

(1) Outdoor Unit

2. Capacity Curves

2-1. Cooling Capacity

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

-15 -10 -5 0 5 10 15 20 25 30 35 40 45

Indoor unit inlet temperature (˚CWB)

0.7

0.8

0.9

1.0

1.1

1.2

1.3

-15 -10 -5 0 5 10 15 20 25 30 35 40 45

Capacity correction coefficientInput Correction Coefficient

Outdoor unit inlet temperature (˚CDB)

2-2. Cooling Input

✻The correction curves indicate the values measured at the point where the compressor was

operated at its maximum capacity.

✻indicates the standard value.

2-3. SHF Curves

Operation Temparature Range: Indoor : 12˚CWB~24˚CWB

Outdoor: -15˚CDB~43˚CDB

(RH : 30~80%)

Standard Point " " : Indoor : 27˚CDB/19˚CWB

Outdoor: 35˚CDB/-

0.4

0.5

0.6

0.7

0.8

0.9

30 40 50 60 70 80

RH (%)

SHF

130% 120%110%100% 90% 80% 70%

Standard Capacity Ratio

0.93

0.4

0.5

0.6

0.7

0.8

0.9

30 40 50 60 70 80

RH (%)

SHF

130% 120%110%100% 90% 80% 70%

35 45 55 65 75

Indoor Temperature 27˚CDB

35 45 55 65 75

Indoor Temperature 24˚CDB

2-4. Correction by refrigerant piping length

To obtain a decrease in cooling/heating capacity due to refrigerant piping extension, multiply by the capacity

correction factor based on the refrigerant piping equivalent length in the table below.

•Cooling

Equivalent length = (Actual piping length to the farthest indoor unit) + (0.50 ✕number of bent on the piping)m

• How to obtain piping equivalent length

Piping equivalent length (m)

Capacity correction coefficient

0.7

0.8

0.9

0 20 40 60 80 100 120 140 160 180

2-5. Operation limit

Indoor temperature (˚CWB)

-15 0-5-10 5 1015202530354045

* The height between the Outdoor PUHY-P-YGM-A and Indoor could make the running

temperature range narrow. For details refer to P19, 7-1 Refrigerant Piping System.

Outdoor temperature (˚CDB)

•Heating

Outdoor temperature (˚CWB)

Indoor temperature (˚CDB)

5-20 -15 -10 -5 0 5 10 15 20 25 30 35 40 45 50

3. Sound Levels

3-1. Noise Level

Measured

point

Series Noise Level

(dB [Type A])

PFD-P250VM-E 59

PFD-P500VM-E 63

(1) Outdoor Unit

(2) Indoor Unit

Measured

point

Series Noise Level

(dB [Type A])

PUHY-P250YGM-A 57

PUHY-P500YGM-A 60/61

(50Hz/60Hz)

3-2. NC Curves

3-3. Fan Characteristics Curves

PFD-P250VM-E PFD-P500VM-E

: 50/60Hz, standard : 50/60Hz, standard

100

200

300

400

500

600

700

800

900

1000

130 140 150 160 170 180 190

Total static pressure (Pa)

Fan rotation speed

Internal

resistance

1200rpm

1100rpm

1000rpm

900rpm

800rpm

Output 3.7kW

(

Output

2.2kW)

136

Internal resistance

(middle-high efficient filter )

184

Air volume (m3/min)

100

200

300

400

500

600

700

800

900

1000

250 270 290 310 330 350 370

Total static pressure (Pa)

255 272 318 345 368

Air volume (m3/min)

1100rpm

1200rpm

Fan rotation speed

Output

7.5kW

Output

5.5kW

1300rpm Internal resistance

(middle-high efficient filter )

800rpm

900rpm 1000rpm

Internal resistance

Standard

With a middle-high efficient filter

PUHY-P250YGM-A (External static

pressure 0Pa) PUHY-P500YGM-A (External static

pressure 0Pa)

PFD-P250VM-E (External static

pressure 120Pa) PFD-P500VM-E (External static

pressure 120Pa)

63Hz 125Hz 250Hz 500Hz 2000Hz1000Hz 4000Hz 8000Hz

dB(A)

82.8 70.5 65.6 57,0 55.1 51.1 44.7 37.9 63

63Hz 125Hz 250Hz 500Hz 2000Hz1000Hz 4000Hz 8000Hz

dB(A)

70.6 62.7 60.5 56.1 54.8 45.7 39.7 32.9 59

63Hz 125Hz 250Hz 500Hz 1000Hz 2000Hz 4000Hz 8000Hz

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

OCTAVE BAND PRESSURE LEVEL (dB) 0dB = 20µPaOCTAVE BAND PRESSURE LEVEL (dB) 0dB = 20µPa

OCTAVE BAND CENTER FREQUENCIES (Hz)

63 125 250 500 1000 2000 4000 8000

Approximate minimum

audible limit on

continuous noise

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

63Hz 125Hz 250Hz 500Hz 2000Hz1000Hz 4000Hz 8000Hz

dB(A)

62.5 58.5 55.5 53 49.5 49 49 43 57

50Hz 60Hz

OCTAVE BAND PRESSURE LEVEL (dB) 0dB = 20µPaOCTAVE BAND PRESSURE LEVEL (dB) 0dB = 20µPa

OCTAVE BAND CENTER FREQUENCIES (Hz)

63 125 250 500 1000 2000 4000 8000

Approximate minimum

audible limit on

continuous noise

Approximate minimum

audible limit on

continuous noise

Approximate minimum

audible limit on

continuous noise

NC-70

NC-60

NC-50

NC-40

NC-30

NC-20

63Hz 125Hz 250Hz 500Hz 2000Hz1000Hz 4000Hz 8000Hz dB(A)

50Hz

60Hz

61.5 60.5 58 53.5 50.5 48 43 60

68 65 60.5 59 54 51.5 49 43.5 61

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