Mitsubishi Electric PUHY-P250YHM-A Guida del prodotto

Model PUHY-P250YHM-A

PFD-P250VM-E

PFD-P500VM-E

DATA BOOK

AIR CONDITIONERS

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 Part Load Performance

2-4 SHF Curves

2-5 Correction by refrigerant piping length

2-6 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

7-6 System Rotation Control

7-7 Notes on the use of optional accessories

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-YHM-A

PFD-P-VM-E

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1. Specifications

1-1.Main Features

(1) List of Models

<10HP System>

<20HP System>

PUHY-P250YHM-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.

✻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.

✻For restrictions when the PFD-type indoor units are connected (related to the system), see P20.

When using a PFD-P250VM-E as an indoor unit, connect an outdoor unit PUHY-P250YHM-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-P250YHM-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

When using a PFD-P500VM-E as an indoor unit, connect 2 PUHY-P250YHM-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-P250YHM-A

Indoor Unit

PFD-P500VM-E

TB7 TB3 ✻2

✻1

TB3

PUHY-P250YHM-A

TB7

✻3

G-50A

12V DC

M-NET

PAC-SC50KUA

POWERRATING

MODEL

WEIGHT

SERIALNo. 2.11kg

POWERSUPPLYUNIT

MITSUBISHIELECTRICCORPORATION

PAC-SC50KUA

Two refrigerant circuits

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-P250YHM-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-P250YHM-A x 2

(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 circuit (COMP./FAN)

Compressor

Fan

External dimension HxWxD

Protection

devices

Refrigerant

piping diameter High press. pipe

Low press. pipe

Noise level

Net weight

1,710 (without legs 1,650) x 920 x 760

Propeller fan x 1

185

0.46

Hermetic

6.7

0.035 x 1

R410A/MEL32

Heat exchanger Salt resistant fin

Over-heat protection, Over current protection

ø9.52 Brazed (ø12.7 for over 90m)

ø22.2 Brazed

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

High pres. Sensor & High pres. Switch at 4.15MPa

200

6.66.8 11.1/10.5/10.211.4/10.9/10.5

PUHY-P250YHM-A (-BS)

connected with PFD series

Over heat protection

Thermal switch

Cooling Heating

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. Part Load Performance

10HP System

Indoor Unit : PFD-P250VM-E

Outdoor Unit : PUHY-P250YHM-A

Cooling

Capacity (kW) 100%

Capacity 90%

Capacity 80%

Capacity 70%

Capacity 60%

Capacity 50%

Capacity 40%

Capacity

40 ˚C 26.6 10.05 8.75 7.68 6.79 6.08 5.50 5.04

35 ˚C 28.0 9.30 8.11 7.18 6.41 5.82 5.13 4.60

30 ˚C 29.4 8.65 7.61 6.81 6.17 5.50 4.94 4.52

25 ˚C 30.2 8.10 7.21 6.56 6.00 5.38 4.89 4.50

20 ˚C 31.1 7.72 6.92 6.26 5.74 5.27 4.85 4.47

15 ˚C 31.6 7.54 6.87 6.31 5.80 5.35 4.94 4.56

* Indoor air temperature condition: 27˚CDB/19˚CWB

20HP System

Indoor Unit : PFD-P500VM-E

Outdoor Unit : PUHY-P250YHM-A

Cooling

Capacity (kW) 100%

Capacity 90%

Capacity 80%

Capacity 70%

Capacity 60%

Capacity 50%

Capacity 40%

Capacity 30%

Capacity

40 ˚C 53.2 20.09 17.46 15.24 13.49 12.08 10.94 10.07 8.37

35 ˚C 56.0 18.60 16.19 14.30 12.77 11.51 10.11 9.05 8.06

30 ˚C 58.8 17.30 15.24 13.58 12.24 10.79 9.76 8.92 7.68

25 ˚C 60.5 16.19 14.47 13.06 11.79 10.59 9.67 8.79 7.55

20 ˚C 62.2 15.44 13.88 12.53 11.42 10.48 9.64 8.52 7.49

15 ˚C 63.3 15.07 13.83 12.63 11.58 10.67 9.84 8.62 7.64

* Indoor air temperature condition: 27˚CDB/19˚CWB

Outdoor unit inlet

temp. (˚CDB)

System Power input (kW)

Outdoor unit inlet

temp. (˚CDB)

System Power input (kW)

2-4. 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

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