外氣空調箱溫濕度控制系統 - hvac-net.org.t · pdf file2.2.1.3...

*,

*

1.

()

()

(DDCDCSPLC)

PLC

PLC(programmable logic controller)

SCADA(supervisory control and data acquisition)

PLC

SCADA

PLC SCADA

MAU

(MIXING STATION)

2. MAU PID

2.1 MAU

MAU, MUA ,

(MAKE-UP AIR UNIT) ,

MAU

, MAU

18, 8g/kg,

CLASS10~100, IC

,

, MAU 18, 8g/kg ,

S.A R.A

22.5

45%

dry coil

, MAU ,

local steam generator

,

(MAU)MAU

40% 50%

MAU

MAU

MAU

,

2.1.1 MAU ()

2.1

2.1

, 23~24, 76~78%;

,

; MAU

22.5, 45%

MAU

2.1.2 MAU ()

2.2

2.2

;

PARTICAL

ppb

AMC( Airborne Molecular Contaminations )

AMC MAU

WATER SHOWER

WATER SHOWER

MAU

2.1.3 MAU

MAU

()

MAU

()

A. MAU

,

,

B. MAU

MAU

MAU

C.

MAU

D. MAU

PID ,

MAU

PID

E.

F.

HAPA

2.2 MAU

2.2.1 P&ID

2.2.1.1 MAU()

P&ID 2.3

PV-181

PV-182

PV-181

PV-183

PV-181

,

PV-181 ,

,

PV-181 PV-181

PV-181

(Dry Coil)

S.A

2.3

2.2.1.3 MAU()

P&ID 2.4

TT-02, TT-03, TT-05, TT-07 4

TT-02, TT-03, TT-05

4

PRE-HEATING VALVE(TCV-01)

(TT-02)

PRE-COOLING VALVE(TCV-03)

(TT-03)

DE-HUMIDIFICTION VALVE(TCV-05)

(TT-05)

S.A (TT-07) RE-HEATING

VALVE (TCV-07)

MAU

MAU_TC03_PID==

MAU_TC03_PID.CV == ; UNIT%,

MAU_TC02_PID==

MAU_TC02_PID.CV == ; UNIT%,

MAU_TC05_PID==

MAU_TC05_PID.CV == ; UNIT%,

MAU_TC07_PID==

MAU_TC07_PID.CV == ; UNIT%,

TCV_01 = MAU_TC03_PID.CV;

IF (MAU_TC03_PID.CV >= 5) THEN

MAU_TC02_PID.CV = 0;

ENDIF

TCV_03 = MAU_TC02_PID.CV;

TCV_05 = MAU_TC05_PID.CV;

TCV_07 = MAU_TC07_PID.CV;

IF (FAN_STOP) THEN

TCV_01 = 0;

TCV_03 = 0;

TCV_05 = 0;

TCV_07 = 0;

ENDIF

2.4

2.3

2.3.1 MAU() 2.5

2.5

2.3.2 MAU() 2.6

2.6

OA

Summer 36/32

Re-heating

Cooling&

De-Humidificatio

OA Winter

5.0/3.6

Heating Humidification

Room Condition

2345%RH

Pre-Cooling &

De-Humidification

Room

Condition 2345%RH

Pre-Heatin

Water shower

OA Summer

36/32

De-Humidificatio

OA Winter 5.0/3.6

3. MAU

(CASCADE)

3.1

MAU 5~10

MAU

MAU

MAU S.A

MAU

MAU

MAU C/R ZONE

MAU-03

PHOTO AREA()

MAU-03

(strategy)

REDUNDANT

SENSOR

CALIBRATION SENSOR

3.2

MAU S.A PID SCADA 3.1

MAU S.A humidity PID setpoint controlled by C/R RH

cascade PID output

(reset mode)

MAU S.A PID ( CASCADE

PID )

C/R RH

MAU S.A PID

MAU S.A PID

*

50%( 3.2

50%

C/R RH

1%

3.1

3.2

3.3

C/R RH ()

C/R RH ()

3.3

:C/R RH

:cascade PID

RESET

3.3

(CASCADE PID no reset)

MAU S.A humidity PID setpoint controlled by C/R RH

cascade PID output (no reset)

MAU S.A PID ( CASCADE

PID )

C/R RH

MAU S.A PID

MAU S.A PID

*

50%( 3.4)

50%

C/R RH

1%

3.4

3.4

3.4 cascade control ()

cascade control

(

)

MAU S.A PID ( CASCADE

:C/R RH

PID )

C/R RH

MAU S.A PID

MAU S.A PID

*

50%( 3.5)

50%

*

C/R RH 1%

0.5% ( 45.0% 3.5

45.2%~44.9%)

3.5

3.5 7

()

() 3.6

MAU S.A PID ( CASCADE

PID )

C/R RH

MAU S.A PID

MAU S.A PID

:C/R RH

3.6

() 3.7

MAU S.A PID ( CASCADE

PID )

C/R RH

MAU S.A PID

MAU S.A PID

3.7

4.

PLC

C/R(MAUDRY COILMIXING PUMP STATION)

EXHAUSTPCWUPWDE-SMOKE

PLC

SCADA SPC(

) PC

PLC PID

SCADA PID

Trend Char

PID

PLC

1. Control system for heatingventilating and air conditioning, by Roger WHaines & Douglas

CHittleChapman & Hall Publishing Co.

2. Refrigeration and Air Conditioning 2nd edition, by StockWF & JW Jones

McGraw-HillInc

3. Principles of Refrigeration, by Roy J Dossat Hall InternationalInc

4. ,

5. PLC-5 programmable controller Instruction set referenceRockwell Automatio