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8-5.External input/output specifications

(1) Input/output specifications

(2) Wiring

Function

Usage

Signals

Function

Usage

Signal

Input

Start/stop

Turning
ON/OFF
the indoor
unit

Pulse
(a-contact with voltage/without
voltage)

✻

<With voltage>

Power Source: DC12~24V
Electrical Current:
Approximately 10mA (DC12V)

<Standard Pulse>

Output

No.1
Operation
Status

Obtaining signals indicating
operation status of indoor units
in each refrigerant circuit.

Relay a-contact
output
DC 30V or
AC 100V/200V

Standard Current :
1A
Minimum Current :
1mA

No. 1
Error Status

Obtaining signals indicating
error status of indoor units in
each refrigerant circuit.

No. 2
Operation
Status

Obtaining signals indicating
operation status of indoor units
in each refrigerant circuit.

No. 2
Error Status

✻

20HP only

Obtaining signals indicating
error status of indoor units in
each refrigerant circuit.

over 200ms

✻

1 Use minute-current contact (DC12V 1mA)

External input/output board

Power Source for Display

No.1 Operation Status

No.1 Error Status

✻

No.2 Operation Status

✻

20HP only

✻

No.2 Error Status

Common

Stop/Start

Input with voltage (polarized)

Input without voltage

Relay Contact Point Output

Stop/Start

External power source

Connection to terminal board

Connection with connectors

SW12

Short Circuit

SW11

CN53

TB21

TB22

TB23

COM

Short Circuit

CN54

Maximum : 100 m

<Input with Applied Voltage (polarized)>

DC12~24V
Electrical current input (per contact)
Approximately 10mA (DC12V)

SW12

Remote start/stop switch
Each pressing of the SW (Pulse input) switches
between ON and OFF.

Remote start/stop

✻

Each pressing pf the SW (Pulse input) switches

between ON and OFF.

External powe
source

<Input without voltage applied>

Minute-current contact: DC12V 1mA

SW11

<Relay contact output>

DC30V 1A
AC220-240V 1A

No.1 Operation Status Indicator Lamp

No.1 Error Status Indicator Lamp

Power supply
for displays

No.2 Operation Status Indicator Lamp

No.2 Error Status Indicator Lamp

Relay
(Permissible Electrical Current: 10mA~1A)

XA~XE

●

Setting on the Indoor Unit

Confirm the following setting when using external input.

No.1, No.2 Controller board Dip SW 3-8: ON (Factory Setting: ON; External input will not be available when OFF.)

No.1, No.2 address board Dip SW 1-10: OFF (Factory Setting: OFF; External input will not be available when ON.)

Normal/Local switch inside the unit controller box is set to “Normal.” (Factory Setting: Normal; External input will not be

available when it is set to “Local.”)

Содержание PFD-P-VM-A

Страница 1: ...3 Types of switch settings and setting methods 8 4 Wiring and Address Setting System Using MA Remote Controller 8 5 External input output specifications 9 Air Conditioning the Computer Room 9 1 Main Features of the Floor Duct Air Conditioners 9 2 Major Characteristics of Computer Room Air Conditioners 9 3 Step by Step Plan for the Implementation of the Air Conditioning 9 4 Conditions for the Insta...

Страница 2: ...its 3 Indicates TB7 type transmission line that allows the unit to communicate with the controller When using a PFD P250VM A as an indoor unit connect an outdoor unit PUD P250YMF C 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 one refrigerant circuit 2 Indicates TB3 type transmission li...

Страница 3: ...W Power source 1 2 kW A m3 min kW kW A kW mm dB A kg 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 Protection devices Refrigerant piping diameter Liquid Gas Noise level Note Cooling capacity indicates the maximum value at operatio...

Страница 4: ...ipe dimension Gas Flare Liquid Flare Drain pipe dimension Note 1 Cooling capacity indicates the maximum value at operation under the following conditions Indoor 27 CDB 19 CWB Outdoor 35 CDB 2 Measured in an anechoic room Noise level Lo Mid2 Mid1 Hi 3 phases induction motor 5Y 7 1 1895 1 800 800 480 350 Cross fin Aluminum plate fin and copper tube Sirocco fan 2 Sirocco fan ø 28 58 ø 28 58 2 ø 12 7 ...

Страница 5: ... 35 40 45 Outdoor Temperature CDB Ratio Outdoor Temperature CDB Ratio Indoor Temperature CWB Indoor Temperature CWB 15 CWB 15 CWB 12 CWB 12 CWB 17 CWB 17 CWB 19 CWB 19 CWB 24 CWB 24 CWB 21 CWB 21 CWB 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 ...

Страница 6: ...d Point Indoor 27 CDB 19 CWB Outdoor 35 CDB 130 120 110 100 0 4 0 5 0 6 0 7 0 8 0 9 1 0 SHF 90 80 70 Standard Capacity Ratio Indoor Temperature 24 CDB 0 4 0 5 0 6 0 7 0 8 0 9 1 0 30 40 50 60 70 80 RH 30 40 50 60 70 80 RH SHF 130 120 110 100 90 80 70 Standard Capacity Ratio 0 93 Indoor Temperature 27 CDB ...

Страница 7: ...lent length Actual piping length to the farthest indoor unit 0 50 number of bent on the piping m How to obtain piping equivalent length Cooling capacity correction factor 1 0 0 9 0 8 0 7 20 0 40 60 80 100 120 140 Piping equivalent length m 2 5 Operation limit Indoor temperature CWB 15 0 5 10 5 10 15 20 25 30 35 40 45 10 12 15 20 25 30 Outdoor door temperature 0 CDB 43 CDB with outdoor unit at lowe...

Страница 8: ...und Levels 3 1 Noise Level 7 1m 1m Measured point Series Noise Level dB Type A PFD P250VM A 59 PFD P500VM A 64 1 Outdoor Unit 2 Indoor Unit Measured point 1m 1m Series Noise Level dB Type A PUD P250YMF C 56 ...

Страница 9: ...c pressure Pa NC60 NC50 NC40 NC30 NC20 Approximate minimum audible limit on continuous noise 80 70 60 50 40 30 20 63 125 250 500 1000 2000 4000 8000 10 0 OCTAVE BAND PRESSURE LEVEL dB 0dB 20µPa OCTAVE BAND CENTER FREQUENCIES Hz PUD P250YMF C External static NC70 pressure 0Pa NC60 NC50 NC40 NC30 NC20 Approximate minimum audible limit on continuous noise 80 70 60 50 40 30 20 63 125 250 500 1000 2000...

Страница 10: ... for the power supply ø 27 Knockout hole Bottom side hole for the control wiring 1715 5 12 50 Crosss section Y Y Y Y Note1 215 1490 215 Knockout hole Left side view ø 40 Knockout hole Left side hole for the power supply ø 27 Knockout hole Left side hole for the control wiring Knockout hole Left piping hole Conn pipe ø 28 58 brazed Refrig service valve liquid ø 12 7 flare Refrig service valve gas f...

Страница 11: ... controller Control box 205 340 420 Indoor Unit Air inlet 200 400 120 210 supplied with the unit Note1 For right hand side piping the minimum space of 200mm on the right side must be increased to a minimum of 500mm Note2 If a minimum space of 880mm is secured the panel can fully be opened PFD P250VM A Unit mm 11 Discharge air outlet height Drain water outlet height 180 770 1050 1160 620 413 473 39...

Страница 12: ... a minimum of 500mm Note2 If a minimum space of 880mm is secured the panel can fully be opened Accessories Lifting bolts 4pcs Refrigerant gas conn pipe ø 28 58 brazed 2pcs Packing for flange 2pcs Insulation cover for flange 2pcs Flare nut liquid 2pcs PFD P500VM A Unit mm Hole for gas pipe connecting ø 48 Hole for liquid pipe connecting ø 27 50 50 50 110 370 186 370 218 100 270 340 70 1650 70 15 17...

Страница 13: ...1 2 2 3 2 2 3P CN20 3 1 1 3P CN33 3 2A F 250VAC F01 1 5 3 2 2 4 1 3 6 5 5 1 4 3 2 2 1 3 5 4 4 3 2 5 1 6 7 3 2 1 1 2 2 1 8 1 7 6 3 2 1 1 4 2 3 3 4 2 5 R6 PE L3 1 L1 M1 M2 S L2 Refer to the service handbook about the switch operations CNDC1 4P 1 2 3 4 1 2 3 4 5 9 8 7 6 1 2 3 4 5 CNDR2 9P 14 13 11 10 12 12 1011 1314 5 4 3 2 1 6 7 8 9 5 4 3 2 1 6 7 8 9 Yellow Orange Purple Black White Gray 5 1 2 3 4 F...

Страница 14: ...als he address of the connected indoor unit 50 4 Conventions terminal bed connector board insertion connector or fastening connector of control board Address odd SWC SWA TB22 IFB Terminal bed for distant location display Thermistor outlet temp detection Thermistor piping temp detection liquid Thermistor piping temp detection gas Auxiliary relay fan Auxiliary relay fan failure detection No voltage ...

Страница 15: ... 9 0 9 A B C D E F 1 2 3 4 5 6 7 8 0 8 7 6 5 4 3 2 1 9 1 2 3 4 5 6 7 8 9 0 9 A B C D E F 0 TB5 1 TB2 TB5 2 FAN over current detection RC SHIELD TB15 Address odd Address even TB22 IFB Terminal bed for distant location display Thermistor outlet temp detection Thermistor piping temp detection liquid Thermistor piping temp detection gas Auxiliary relay fan Auxiliary relay fan failure detection No volt...

Страница 16: ...High efficiency filter 65 2 High efficiency filter 90 2 1 Used to connect Intake Duct Use the filter supplied with the unit 2 Requires square duct flange High Efficiency Filter PAC TS60AF PAC TS62AF PAC TS65AF PAC TS67AF P250 P500 P250 P500 Square duct flange High efficiency filter Square duct flange Standard filter 1 ...

Страница 17: ... Circuit Diagram And Thermal Sensor PUD P250YMF C HEX2 HEX1 TH6 SV3 CJ1 CJ2 63H SV1 SV2 CV2 CV1 TH1 ST5 MA SA SLEV TH7 ST4 LEV1 SCC Comp O S Drier TH10 CP TH8 CP3 TH5 ST3 TH9 TH2 ST2 BV2 Indoor units ST1 BV1 63LS 63HS ...

Страница 18: ...t circuits Record the length of the pipe and the amount of the added refrigerant on the outdoor unit for services in the future Calculating the amount of refrigerant to be added The amount of refrigerant needed for additional piping depends on the diameter and the length of the added liquid pipes Calculate the amount to be added as shown on the right and add the refrigerant in that amount Round up...

Страница 19: ...ting methods Whether a particular system requires switch settings depends on its components Refer to the section 7 4 Wiring and Address Setting before conducting electrical work Keep the power turned off while setting the switches If settings are changed while being powered the changed settings will not register and the unit may malfunction Symbol Outdoor unit OC Indoor unit 10HP has only the main...

Страница 20: ... another refrigerant system choose a different one in the range specified above 3 When setting the address to 100 set the switch to 50 Assign a number to all indoor units starting with 1 and using sequential numbers Use odd numbers for the top controller and even numbers for the bottom controller of the indoor units Use odd numbers starting with 01 for 10HP system Add 50 to the address assigned to...

Страница 21: ...ove 1 25mm2 L1 200m 1 Use power supply connector CN41 on the outdoor unit as is 2 It is not necessary to ground the S terminal of centralized control transmission terminal board TB7 on the outdoor unit OC TB3 TB7 E A B A B S 51 IC MA TB5 1 A B S 01 TB15 1 2 A1 B2 L1 Use CN41 as is There is one indoor controller board inside indoor unit 1 System with one indoor unit 10HP system ...

Страница 22: ...terminal board TB5 b Switch Setting Set the address as follows MA remote controller Sub Controller Main Controller MA MA 3 n a Main Unit or Controller Address Setting Range Steps Factory Setting Setting Procedures Indoor Unit Outdoor Unit Main Unit IC OC 1 2 Remarks 51 100 Sub controller 01 50 00 00 Set the address for the controller at the top of the indoor unit Start with 01 then use sequential ...

Страница 23: ... of the outdoor units S terminal of TB7 centralized control transmission terminal a Indoor Outdoor transmission line Maximum Length above 1 25mm2 L1 L2 200m b Transmission line for centralized control Maximum length via outdoor unit over 1 25mm2 L1 L3 L2 500m NO NO OC TB3 TB7 E A B A B S 51 IC MA TB5 1 A B S 01 TB5 2 A B S TB15 1 2 A1 B2 02 OC TB3 TB7 E A B A B S 52 L31 L1 L2 Use CN41 as is There ...

Страница 24: ...line Grounding the shield line Connect S terminals of the TB7 of each of the outdoor units with each other Connect the S terminal of TB7 on the outdoor unit whose CN41 was replaced with CN40 to the earth terminal of the electric box c Switch Setting Set the address as follows MA remote controller Sub Controller Main Controller MA MA 3 n a Main Unit or Controller Address Setting Range Steps Factory...

Страница 25: ...an be connected to the indoor unit in the same group Disconnect the MA remote control wire from TB15 if using more than 2 remote controllers a Indoor outdoor transmission line Same as 2 b Transmission line for centralized control Same as 2 c MA remote controller wiring Maximum allowable length 0 3 1 25mm2 m1 m2 200m NO NO NO OC TB3 TB7 E A B A B S 51 IC MA Main TB5 1 A B S 01 TB5 2 A B S TB15 1 2 ...

Страница 26: ...oller d Switch Setting Set the address as follows MA remote controller Sub Controller Main Controller MA MA 3 n a Main Unit or Controller Address Setting Range Steps Factory Setting Setting Procedures Indoor Unit Outdoor Unit Main Unit IC OC 1 2 Remarks 51 100 Sub controller 01 49 00 00 Set the address for the controller at the top of the indoor unit Start with 01 then use sequential odd numbers i...

Страница 27: ...ote control wire from TB15 if using more than 2 remote controllers a Indoor outdoor transmission line Same as 2 b Transmission line for centralized control Same as 2 c MA remote controller wiring Maximum allowable length 0 3 1 25mm2 m1 m2 m3 200m NO NO OC TB3 TB7 E A B A B S 51 IC MA Main TB5 1 A B S 01 TB5 2 A B S TB15 1 2 A1 B2 02 OC TB3 TB7 E A B A B S 52 OC TB3 TB7 E A B A B S 53 IC MA Sub TB5...

Страница 28: ...the indoor units as sub controller d Switch Setting Set the address as follows MA remote controller Sub Controller Main Controller MA MA 3 n a Main Unit or Controller Address Setting Range Steps Factory Setting Setting Procedures Indoor Unit Outdoor Unit Main Unit IC OC 1 2 Remarks 51 100 Sub controller 01 49 00 00 Set the address for the controller at the top of the indoor unit Start with 01 then...

Страница 29: ... Replace CN41 with CN40 There is one indoor controller board inside indoor unit Connect 1 Use odd numbers to set 10HP indoor unit address 2 When setting unit address for 20HP indoor unit use odd numbers for the top controllers and even numbers for the bottom controllers main controller 1 3 Replace CN41 power supply switch connector with CN40 on only one 20HP outdoor unit 4 Ground the S terminal of...

Страница 30: ...mote controller Sub Controller Main Controller MA MA 3 n a Main Unit or Controller Address Setting Range Steps Factory Setting Setting Procedures Indoor Unit Outdoor Unit Main Unit 10HP 20HP IC OC 1 2 Remarks 51 100 Sub controller 01 49 00 00 Set the address for the controller at the top of the indoor unit Start with 01 then use sequential odd numbers i e 01 03 05 Add 50 to the address assigned to...

Страница 31: ...minal board for centralized controller on the outdoor unit 5 No more than two main sub remote controllers can be connected to the indoor unit in the same group When more than two remote controllers are present in the system disconnect MA remote controller from TB15 in the indoor unit 6 Put both types of the addresses for P500 type indoor units in the same group when setting groups for indoor units...

Страница 32: ...e 01 03 05 Add 50 to the address assigned to the indoor unit within the same refrigerant system Use dipswitch to set the controller as sub controller Sub Unit 20HP IC 02 50 Add 1 to the address assigned to the main unit in the same room NO NO MA TB15 1 2 A1 B2 OC TB3 TB7 E A B A B S 57 IC MA TB5 1 A B S 07 TB5 2 A B S TB15 1 2 A1 B2 08 OC TB3 TB7 E A B A B S 58 OC TB3 TB7 E A B A B S 55 IC TB5 1 A...

Страница 33: ...art External power source Connection to terminal board Connection with connectors L1 L2 L3 L4 SW12 Short Circuit SW11 CN53 1 2 3 4 5 1 2 3 4 5 TB21 TB22 TB23 XA XB XC XE XD XE XD XC XB XA COM 1 2 BC B1 B2 AC A1 Short Circuit A2 3 4 5 CN54 Maximum 100 m Input with Applied Voltage polarized DC12 24V Electrical current input per contact Approximately 10mA DC12V SW12 Remote start stop switch Each pres...

Страница 34: ...ts may not operate 2 Do not bundle with high voltage AC220 240V wire since noise interference from such wire may cause the unit to malfunction 3 Do not bundle with minute voltage DC30V or below wire since noise interference from such wire may cause the unit to malfunction Caution 1 Wiring should be covered by insulation tube with supplementary insulation 2 Use relays or switches with IEC or equiva...

Страница 35: ...ce the entire floor serves as the air duct 1 Unlike plenum ventilation and overhead duct type conditioners since the conditioned air is not mixed with the air in the room the air that comes out of the unit has to meet the predetermined conditions constant temperature constant humidity at the time the air exits the unit Close attention must be paid to the auto controlling system 2 Dust in the duct ...

Страница 36: ...ce earthquake proof anti vibration floor load anti vibration device noise control etc Calculating the Load Setting the Conditions for the Room Temperature humidity Condition Purpose Making decisions on the computer system Accommodates possible future expansion ensuring the acquisition route Operation schedule Back up system in case of breakdowns power outage water supply cut offs etc Air condition...

Страница 37: ...e computer 3 Matching the Volume of Air Flow It is possible to use the fan on the computer to cool the room This controlling method requires a certain volume of cold air in proportion to the amount of heat produced by the device The inlet panel is located at the bottom of the unit and the exhaust pipe is located either on the ceiling front and back or on the side 4 Considering a Back up Air Condit...

Страница 38: ...air conditioning system are set air conditioning capacity has to be determined by calculating the load 2 Unlike the outdoor air computer load remains constant throughout the year However it is possible that there are considerable fluctuations within a day This is due to the fact that depending on the time of the day there are changes in the number of computers that are turned on and that the diffe...

Страница 39: ... 8 kW Total Infiltration draft Number of people in the room Outside air 39 6 834 0 0117 5 persons 82 125m3 834 0 0117 0 39 kW 0 41 kW 1 22 kW 2 0 kW Total 26800 0 336 24 18 V 60 221m3 min Calculate the temperature difference by setting the outdoor temperature then calculate hourly loads The chart shows the result of a calculation supposing that the system reaches its highest load at 12 o clock Out...

Страница 40: ...oling temperature with a built in controller suction temperature or discharge temperature control This unit is designed for high sensible heat specifications and it does not include a humidifier or a dehumidi fier Install such components as necessary 1 Bold lines in the diagram indicate refrigerant piping gas liquid This system consists of 2 refrigerant circuits 2 Indicates TB3 type transmission l...

Страница 41: ...s an approximate longevity of parts It is an estimation of the time when old parts may need to be replaced or repairs need to be made It does not mean that the parts must absolutely be replaced except for the fan belt Please note that the figures in the chart do not mean warranty periods 2 Notes The above chart shows a maintenance schedule for a unit that is used under the following conditions A L...

Страница 42: ...ioning Check for clogging dirt and damage Clean free of clogging or damage Clean Check for unusual noise Measure insulation resistance Free of unusual sound Insulation resistance over 1MΩ Replace if insulation resistance goes below 1MΩ Make sure the lamp comes on Comes on when the output is on Replace if the light does not come on when the power is on Check for clogging dirt and damage Clean free ...

Страница 43: ...FICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Issued in June 2004 MEE03K204 A Printed in Japan New publication effective June 2004 Specifications subject to change without notice ...

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